diff options
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 1408 |
1 files changed, 932 insertions, 476 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index ebe4668c4997..281ec7da8128 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * fs/f2fs/super.c * * Copyright (c) 2012 Samsung Electronics Co., Ltd. * http://www.samsung.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> @@ -41,7 +38,7 @@ static struct kmem_cache *f2fs_inode_cachep; #ifdef CONFIG_F2FS_FAULT_INJECTION -char *fault_name[FAULT_MAX] = { +const char *f2fs_fault_name[FAULT_MAX] = { [FAULT_KMALLOC] = "kmalloc", [FAULT_KVMALLOC] = "kvmalloc", [FAULT_PAGE_ALLOC] = "page alloc", @@ -53,22 +50,27 @@ char *fault_name[FAULT_MAX] = { [FAULT_DIR_DEPTH] = "too big dir depth", [FAULT_EVICT_INODE] = "evict_inode fail", [FAULT_TRUNCATE] = "truncate fail", - [FAULT_IO] = "IO error", + [FAULT_READ_IO] = "read IO error", [FAULT_CHECKPOINT] = "checkpoint error", + [FAULT_DISCARD] = "discard error", + [FAULT_WRITE_IO] = "write IO error", }; -static void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, - unsigned int rate) +void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, + unsigned int type) { struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; if (rate) { atomic_set(&ffi->inject_ops, 0); ffi->inject_rate = rate; - ffi->inject_type = (1 << FAULT_MAX) - 1; - } else { - memset(ffi, 0, sizeof(struct f2fs_fault_info)); } + + if (type) + ffi->inject_type = type; + + if (!rate && !type) + memset(ffi, 0, sizeof(struct f2fs_fault_info)); } #endif @@ -113,6 +115,7 @@ enum { Opt_mode, Opt_io_size_bits, Opt_fault_injection, + Opt_fault_type, Opt_lazytime, Opt_nolazytime, Opt_quota, @@ -133,6 +136,10 @@ enum { Opt_alloc, Opt_fsync, Opt_test_dummy_encryption, + Opt_checkpoint_disable, + Opt_checkpoint_disable_cap, + Opt_checkpoint_disable_cap_perc, + Opt_checkpoint_enable, Opt_err, }; @@ -170,6 +177,7 @@ static match_table_t f2fs_tokens = { {Opt_mode, "mode=%s"}, {Opt_io_size_bits, "io_bits=%u"}, {Opt_fault_injection, "fault_injection=%u"}, + {Opt_fault_type, "fault_type=%u"}, {Opt_lazytime, "lazytime"}, {Opt_nolazytime, "nolazytime"}, {Opt_quota, "quota"}, @@ -190,44 +198,52 @@ static match_table_t f2fs_tokens = { {Opt_alloc, "alloc_mode=%s"}, {Opt_fsync, "fsync_mode=%s"}, {Opt_test_dummy_encryption, "test_dummy_encryption"}, + {Opt_checkpoint_disable, "checkpoint=disable"}, + {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"}, + {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"}, + {Opt_checkpoint_enable, "checkpoint=enable"}, {Opt_err, NULL}, }; -void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...) +void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...) { struct va_format vaf; va_list args; + int level; va_start(args, fmt); - vaf.fmt = fmt; + + level = printk_get_level(fmt); + vaf.fmt = printk_skip_level(fmt); vaf.va = &args; - printk_ratelimited("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf); + printk("%c%cF2FS-fs (%s): %pV\n", + KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf); + va_end(args); } static inline void limit_reserve_root(struct f2fs_sb_info *sbi) { - block_t limit = (sbi->user_block_count << 1) / 1000; + block_t limit = min((sbi->user_block_count << 1) / 1000, + sbi->user_block_count - sbi->reserved_blocks); /* limit is 0.2% */ if (test_opt(sbi, RESERVE_ROOT) && F2FS_OPTION(sbi).root_reserved_blocks > limit) { F2FS_OPTION(sbi).root_reserved_blocks = limit; - f2fs_msg(sbi->sb, KERN_INFO, - "Reduce reserved blocks for root = %u", - F2FS_OPTION(sbi).root_reserved_blocks); + f2fs_info(sbi, "Reduce reserved blocks for root = %u", + F2FS_OPTION(sbi).root_reserved_blocks); } if (!test_opt(sbi, RESERVE_ROOT) && (!uid_eq(F2FS_OPTION(sbi).s_resuid, make_kuid(&init_user_ns, F2FS_DEF_RESUID)) || !gid_eq(F2FS_OPTION(sbi).s_resgid, make_kgid(&init_user_ns, F2FS_DEF_RESGID)))) - f2fs_msg(sbi->sb, KERN_INFO, - "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", - from_kuid_munged(&init_user_ns, - F2FS_OPTION(sbi).s_resuid), - from_kgid_munged(&init_user_ns, - F2FS_OPTION(sbi).s_resgid)); + f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root", + from_kuid_munged(&init_user_ns, + F2FS_OPTION(sbi).s_resuid), + from_kgid_munged(&init_user_ns, + F2FS_OPTION(sbi).s_resgid)); } static void init_once(void *foo) @@ -248,42 +264,36 @@ static int f2fs_set_qf_name(struct super_block *sb, int qtype, int ret = -EINVAL; if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) { - f2fs_msg(sb, KERN_ERR, - "Cannot change journaled " - "quota options when quota turned on"); + f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); return -EINVAL; } - if (f2fs_sb_has_quota_ino(sb)) { - f2fs_msg(sb, KERN_INFO, - "QUOTA feature is enabled, so ignore qf_name"); + if (f2fs_sb_has_quota_ino(sbi)) { + f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name"); return 0; } qname = match_strdup(args); if (!qname) { - f2fs_msg(sb, KERN_ERR, - "Not enough memory for storing quotafile name"); - return -EINVAL; + f2fs_err(sbi, "Not enough memory for storing quotafile name"); + return -ENOMEM; } if (F2FS_OPTION(sbi).s_qf_names[qtype]) { if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0) ret = 0; else - f2fs_msg(sb, KERN_ERR, - "%s quota file already specified", + f2fs_err(sbi, "%s quota file already specified", QTYPE2NAME(qtype)); goto errout; } if (strchr(qname, '/')) { - f2fs_msg(sb, KERN_ERR, - "quotafile must be on filesystem root"); + f2fs_err(sbi, "quotafile must be on filesystem root"); goto errout; } F2FS_OPTION(sbi).s_qf_names[qtype] = qname; set_opt(sbi, QUOTA); return 0; errout: - kfree(qname); + kvfree(qname); return ret; } @@ -292,11 +302,10 @@ static int f2fs_clear_qf_name(struct super_block *sb, int qtype) struct f2fs_sb_info *sbi = F2FS_SB(sb); if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) { - f2fs_msg(sb, KERN_ERR, "Cannot change journaled quota options" - " when quota turned on"); + f2fs_err(sbi, "Cannot change journaled quota options when quota turned on"); return -EINVAL; } - kfree(F2FS_OPTION(sbi).s_qf_names[qtype]); + kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]); F2FS_OPTION(sbi).s_qf_names[qtype] = NULL; return 0; } @@ -308,9 +317,8 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) * 'grpquota' mount options are allowed even without quota feature * to support legacy quotas in quota files. */ - if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi->sb)) { - f2fs_msg(sbi->sb, KERN_ERR, "Project quota feature not enabled. " - "Cannot enable project quota enforcement."); + if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) { + f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement."); return -1; } if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || @@ -330,29 +338,20 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) || test_opt(sbi, PRJQUOTA)) { - f2fs_msg(sbi->sb, KERN_ERR, "old and new quota " - "format mixing"); + f2fs_err(sbi, "old and new quota format mixing"); return -1; } if (!F2FS_OPTION(sbi).s_jquota_fmt) { - f2fs_msg(sbi->sb, KERN_ERR, "journaled quota format " - "not specified"); + f2fs_err(sbi, "journaled quota format not specified"); return -1; } } - if (f2fs_sb_has_quota_ino(sbi->sb) && F2FS_OPTION(sbi).s_jquota_fmt) { - f2fs_msg(sbi->sb, KERN_INFO, - "QUOTA feature is enabled, so ignore jquota_fmt"); + if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) { + f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt"); F2FS_OPTION(sbi).s_jquota_fmt = 0; } - if (f2fs_sb_has_quota_ino(sbi->sb) && f2fs_readonly(sbi->sb)) { - f2fs_msg(sbi->sb, KERN_INFO, - "Filesystem with quota feature cannot be mounted RDWR " - "without CONFIG_QUOTA"); - return -1; - } return 0; } #endif @@ -360,7 +359,6 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi) static int parse_options(struct super_block *sb, char *options) { struct f2fs_sb_info *sbi = F2FS_SB(sb); - struct request_queue *q; substring_t args[MAX_OPT_ARGS]; char *p, *name; int arg = 0; @@ -400,10 +398,10 @@ static int parse_options(struct super_block *sb, char *options) set_opt(sbi, BG_GC); set_opt(sbi, FORCE_FG_GC); } else { - kfree(name); + kvfree(name); return -EINVAL; } - kfree(name); + kvfree(name); break; case Opt_disable_roll_forward: set_opt(sbi, DISABLE_ROLL_FORWARD); @@ -415,19 +413,11 @@ static int parse_options(struct super_block *sb, char *options) return -EINVAL; break; case Opt_discard: - q = bdev_get_queue(sb->s_bdev); - if (blk_queue_discard(q)) { - set_opt(sbi, DISCARD); - } else if (!f2fs_sb_has_blkzoned(sb)) { - f2fs_msg(sb, KERN_WARNING, - "mounting with \"discard\" option, but " - "the device does not support discard"); - } + set_opt(sbi, DISCARD); break; case Opt_nodiscard: - if (f2fs_sb_has_blkzoned(sb)) { - f2fs_msg(sb, KERN_WARNING, - "discard is required for zoned block devices"); + if (f2fs_sb_has_blkzoned(sbi)) { + f2fs_warn(sbi, "discard is required for zoned block devices"); return -EINVAL; } clear_opt(sbi, DISCARD); @@ -459,20 +449,16 @@ static int parse_options(struct super_block *sb, char *options) break; #else case Opt_user_xattr: - f2fs_msg(sb, KERN_INFO, - "user_xattr options not supported"); + f2fs_info(sbi, "user_xattr options not supported"); break; case Opt_nouser_xattr: - f2fs_msg(sb, KERN_INFO, - "nouser_xattr options not supported"); + f2fs_info(sbi, "nouser_xattr options not supported"); break; case Opt_inline_xattr: - f2fs_msg(sb, KERN_INFO, - "inline_xattr options not supported"); + f2fs_info(sbi, "inline_xattr options not supported"); break; case Opt_noinline_xattr: - f2fs_msg(sb, KERN_INFO, - "noinline_xattr options not supported"); + f2fs_info(sbi, "noinline_xattr options not supported"); break; #endif #ifdef CONFIG_F2FS_FS_POSIX_ACL @@ -484,10 +470,10 @@ static int parse_options(struct super_block *sb, char *options) break; #else case Opt_acl: - f2fs_msg(sb, KERN_INFO, "acl options not supported"); + f2fs_info(sbi, "acl options not supported"); break; case Opt_noacl: - f2fs_msg(sb, KERN_INFO, "noacl options not supported"); + f2fs_info(sbi, "noacl options not supported"); break; #endif case Opt_active_logs: @@ -537,9 +523,8 @@ static int parse_options(struct super_block *sb, char *options) if (args->from && match_int(args, &arg)) return -EINVAL; if (test_opt(sbi, RESERVE_ROOT)) { - f2fs_msg(sb, KERN_INFO, - "Preserve previous reserve_root=%u", - F2FS_OPTION(sbi).root_reserved_blocks); + f2fs_info(sbi, "Preserve previous reserve_root=%u", + F2FS_OPTION(sbi).root_reserved_blocks); } else { F2FS_OPTION(sbi).root_reserved_blocks = arg; set_opt(sbi, RESERVE_ROOT); @@ -550,8 +535,7 @@ static int parse_options(struct super_block *sb, char *options) return -EINVAL; uid = make_kuid(current_user_ns(), arg); if (!uid_valid(uid)) { - f2fs_msg(sb, KERN_ERR, - "Invalid uid value %d", arg); + f2fs_err(sbi, "Invalid uid value %d", arg); return -EINVAL; } F2FS_OPTION(sbi).s_resuid = uid; @@ -561,8 +545,7 @@ static int parse_options(struct super_block *sb, char *options) return -EINVAL; gid = make_kgid(current_user_ns(), arg); if (!gid_valid(gid)) { - f2fs_msg(sb, KERN_ERR, - "Invalid gid value %d", arg); + f2fs_err(sbi, "Invalid gid value %d", arg); return -EINVAL; } F2FS_OPTION(sbi).s_resgid = gid; @@ -574,11 +557,9 @@ static int parse_options(struct super_block *sb, char *options) return -ENOMEM; if (strlen(name) == 8 && !strncmp(name, "adaptive", 8)) { - if (f2fs_sb_has_blkzoned(sb)) { - f2fs_msg(sb, KERN_WARNING, - "adaptive mode is not allowed with " - "zoned block device feature"); - kfree(name); + if (f2fs_sb_has_blkzoned(sbi)) { + f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature"); + kvfree(name); return -EINVAL; } set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE); @@ -586,33 +567,44 @@ static int parse_options(struct super_block *sb, char *options) !strncmp(name, "lfs", 3)) { set_opt_mode(sbi, F2FS_MOUNT_LFS); } else { - kfree(name); + kvfree(name); return -EINVAL; } - kfree(name); + kvfree(name); break; case Opt_io_size_bits: if (args->from && match_int(args, &arg)) return -EINVAL; - if (arg > __ilog2_u32(BIO_MAX_PAGES)) { - f2fs_msg(sb, KERN_WARNING, - "Not support %d, larger than %d", - 1 << arg, BIO_MAX_PAGES); + if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) { + f2fs_warn(sbi, "Not support %d, larger than %d", + 1 << arg, BIO_MAX_PAGES); return -EINVAL; } F2FS_OPTION(sbi).write_io_size_bits = arg; break; +#ifdef CONFIG_F2FS_FAULT_INJECTION case Opt_fault_injection: if (args->from && match_int(args, &arg)) return -EINVAL; -#ifdef CONFIG_F2FS_FAULT_INJECTION - f2fs_build_fault_attr(sbi, arg); + f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE); set_opt(sbi, FAULT_INJECTION); + break; + + case Opt_fault_type: + if (args->from && match_int(args, &arg)) + return -EINVAL; + f2fs_build_fault_attr(sbi, 0, arg); + set_opt(sbi, FAULT_INJECTION); + break; #else - f2fs_msg(sb, KERN_INFO, - "FAULT_INJECTION was not selected"); -#endif + case Opt_fault_injection: + f2fs_info(sbi, "fault_injection options not supported"); break; + + case Opt_fault_type: + f2fs_info(sbi, "fault_type options not supported"); + break; +#endif case Opt_lazytime: sb->s_flags |= MS_LAZYTIME; break; @@ -690,8 +682,7 @@ static int parse_options(struct super_block *sb, char *options) case Opt_jqfmt_vfsv0: case Opt_jqfmt_vfsv1: case Opt_noquota: - f2fs_msg(sb, KERN_INFO, - "quota operations not supported"); + f2fs_info(sbi, "quota operations not supported"); break; #endif case Opt_whint: @@ -708,10 +699,10 @@ static int parse_options(struct super_block *sb, char *options) !strncmp(name, "fs-based", 8)) { F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS; } else { - kfree(name); + kvfree(name); return -EINVAL; } - kfree(name); + kvfree(name); break; case Opt_alloc: name = match_strdup(&args[0]); @@ -725,10 +716,10 @@ static int parse_options(struct super_block *sb, char *options) !strncmp(name, "reuse", 5)) { F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE; } else { - kfree(name); + kvfree(name); return -EINVAL; } - kfree(name); + kvfree(name); break; case Opt_fsync: name = match_strdup(&args[0]); @@ -745,71 +736,104 @@ static int parse_options(struct super_block *sb, char *options) F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_NOBARRIER; } else { - kfree(name); + kvfree(name); return -EINVAL; } - kfree(name); + kvfree(name); break; case Opt_test_dummy_encryption: #ifdef CONFIG_F2FS_FS_ENCRYPTION - if (!f2fs_sb_has_encrypt(sb)) { - f2fs_msg(sb, KERN_ERR, "Encrypt feature is off"); + if (!f2fs_sb_has_encrypt(sbi)) { + f2fs_err(sbi, "Encrypt feature is off"); return -EINVAL; } F2FS_OPTION(sbi).test_dummy_encryption = true; - f2fs_msg(sb, KERN_INFO, - "Test dummy encryption mode enabled"); + f2fs_info(sbi, "Test dummy encryption mode enabled"); #else - f2fs_msg(sb, KERN_INFO, - "Test dummy encryption mount option ignored"); + f2fs_info(sbi, "Test dummy encryption mount option ignored"); #endif break; + case Opt_checkpoint_disable_cap_perc: + if (args->from && match_int(args, &arg)) + return -EINVAL; + if (arg < 0 || arg > 100) + return -EINVAL; + if (arg == 100) + F2FS_OPTION(sbi).unusable_cap = + sbi->user_block_count; + else + F2FS_OPTION(sbi).unusable_cap = + (sbi->user_block_count / 100) * arg; + set_opt(sbi, DISABLE_CHECKPOINT); + break; + case Opt_checkpoint_disable_cap: + if (args->from && match_int(args, &arg)) + return -EINVAL; + F2FS_OPTION(sbi).unusable_cap = arg; + set_opt(sbi, DISABLE_CHECKPOINT); + break; + case Opt_checkpoint_disable: + set_opt(sbi, DISABLE_CHECKPOINT); + break; + case Opt_checkpoint_enable: + clear_opt(sbi, DISABLE_CHECKPOINT); + break; default: - f2fs_msg(sb, KERN_ERR, - "Unrecognized mount option \"%s\" or missing value", - p); + f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value", + p); return -EINVAL; } } #ifdef CONFIG_QUOTA if (f2fs_check_quota_options(sbi)) return -EINVAL; +#else + if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) { + f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA"); + return -EINVAL; + } + if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) { + f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA"); + return -EINVAL; + } #endif if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) { - f2fs_msg(sb, KERN_ERR, - "Should set mode=lfs with %uKB-sized IO", - F2FS_IO_SIZE_KB(sbi)); + f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO", + F2FS_IO_SIZE_KB(sbi)); return -EINVAL; } if (test_opt(sbi, INLINE_XATTR_SIZE)) { - if (!f2fs_sb_has_extra_attr(sb) || - !f2fs_sb_has_flexible_inline_xattr(sb)) { - f2fs_msg(sb, KERN_ERR, - "extra_attr or flexible_inline_xattr " - "feature is off"); + int min_size, max_size; + + if (!f2fs_sb_has_extra_attr(sbi) || + !f2fs_sb_has_flexible_inline_xattr(sbi)) { + f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off"); return -EINVAL; } if (!test_opt(sbi, INLINE_XATTR)) { - f2fs_msg(sb, KERN_ERR, - "inline_xattr_size option should be " - "set with inline_xattr option"); + f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option"); return -EINVAL; } - if (!F2FS_OPTION(sbi).inline_xattr_size || - F2FS_OPTION(sbi).inline_xattr_size >= - DEF_ADDRS_PER_INODE - - F2FS_TOTAL_EXTRA_ATTR_SIZE - - DEF_INLINE_RESERVED_SIZE - - DEF_MIN_INLINE_SIZE) { - f2fs_msg(sb, KERN_ERR, - "inline xattr size is out of range"); + + min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32); + max_size = MAX_INLINE_XATTR_SIZE; + + if (F2FS_OPTION(sbi).inline_xattr_size < min_size || + F2FS_OPTION(sbi).inline_xattr_size > max_size) { + f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d", + min_size, max_size); return -EINVAL; } } + if (test_opt(sbi, DISABLE_CHECKPOINT) && test_opt(sbi, LFS)) { + f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n"); + return -EINVAL; + } + /* Not pass down write hints if the number of active logs is lesser * than NR_CURSEG_TYPE. */ @@ -830,15 +854,14 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) /* Initialize f2fs-specific inode info */ atomic_set(&fi->dirty_pages, 0); - fi->i_current_depth = 1; init_rwsem(&fi->i_sem); INIT_LIST_HEAD(&fi->dirty_list); INIT_LIST_HEAD(&fi->gdirty_list); INIT_LIST_HEAD(&fi->inmem_ilist); INIT_LIST_HEAD(&fi->inmem_pages); mutex_init(&fi->inmem_lock); - init_rwsem(&fi->dio_rwsem[READ]); - init_rwsem(&fi->dio_rwsem[WRITE]); + init_rwsem(&fi->i_gc_rwsem[READ]); + init_rwsem(&fi->i_gc_rwsem[WRITE]); init_rwsem(&fi->i_mmap_sem); init_rwsem(&fi->i_xattr_sem); @@ -866,7 +889,7 @@ static int f2fs_drop_inode(struct inode *inode) /* some remained atomic pages should discarded */ if (f2fs_is_atomic_file(inode)) - drop_inmem_pages(inode); + f2fs_drop_inmem_pages(inode); /* should remain fi->extent_tree for writepage */ f2fs_destroy_extent_node(inode); @@ -874,6 +897,10 @@ static int f2fs_drop_inode(struct inode *inode) sb_start_intwrite(inode->i_sb); f2fs_i_size_write(inode, 0); + f2fs_submit_merged_write_cond(F2FS_I_SB(inode), + inode, NULL, 0, DATA); + truncate_inode_pages_final(inode->i_mapping); + if (F2FS_HAS_BLOCKS(inode)) f2fs_truncate(inode); @@ -976,10 +1003,10 @@ static void destroy_device_list(struct f2fs_sb_info *sbi) for (i = 0; i < sbi->s_ndevs; i++) { blkdev_put(FDEV(i).bdev, FMODE_EXCL); #ifdef CONFIG_BLK_DEV_ZONED - kfree(FDEV(i).blkz_type); + kvfree(FDEV(i).blkz_seq); #endif } - kfree(sbi->devs); + kvfree(sbi->devs); } static void f2fs_put_super(struct super_block *sb) @@ -998,32 +1025,30 @@ static void f2fs_put_super(struct super_block *sb) * But, the previous checkpoint was not done by umount, it needs to do * clean checkpoint again. */ - if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || - !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { + if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) || + !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) { struct cp_control cpc = { .reason = CP_UMOUNT, }; - write_checkpoint(sbi, &cpc); + f2fs_write_checkpoint(sbi, &cpc); } /* be sure to wait for any on-going discard commands */ - dropped = f2fs_wait_discard_bios(sbi); + dropped = f2fs_issue_discard_timeout(sbi); - if (f2fs_discard_en(sbi) && !sbi->discard_blks && !dropped) { + if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) && + !sbi->discard_blks && !dropped) { struct cp_control cpc = { .reason = CP_UMOUNT | CP_TRIMMED, }; - write_checkpoint(sbi, &cpc); + f2fs_write_checkpoint(sbi, &cpc); } - /* write_checkpoint can update stat informaion */ - f2fs_destroy_stats(sbi); - /* * normally superblock is clean, so we need to release this. * In addition, EIO will skip do checkpoint, we need this as well. */ - release_ino_entry(sbi, true); + f2fs_release_ino_entry(sbi, true); f2fs_leave_shrinker(sbi); mutex_unlock(&sbi->umount_mutex); @@ -1031,33 +1056,46 @@ static void f2fs_put_super(struct super_block *sb) /* our cp_error case, we can wait for any writeback page */ f2fs_flush_merged_writes(sbi); + f2fs_wait_on_all_pages_writeback(sbi); + + f2fs_bug_on(sbi, sbi->fsync_node_num); + iput(sbi->node_inode); + sbi->node_inode = NULL; + iput(sbi->meta_inode); + sbi->meta_inode = NULL; + + /* + * iput() can update stat information, if f2fs_write_checkpoint() + * above failed with error. + */ + f2fs_destroy_stats(sbi); /* destroy f2fs internal modules */ - destroy_node_manager(sbi); - destroy_segment_manager(sbi); + f2fs_destroy_node_manager(sbi); + f2fs_destroy_segment_manager(sbi); - kfree(sbi->ckpt); + kvfree(sbi->ckpt); f2fs_unregister_sysfs(sbi); sb->s_fs_info = NULL; if (sbi->s_chksum_driver) crypto_free_shash(sbi->s_chksum_driver); - kfree(sbi->raw_super); + kvfree(sbi->raw_super); destroy_device_list(sbi); if (sbi->write_io_dummy) mempool_destroy(sbi->write_io_dummy); #ifdef CONFIG_QUOTA for (i = 0; i < MAXQUOTAS; i++) - kfree(F2FS_OPTION(sbi).s_qf_names[i]); + kvfree(F2FS_OPTION(sbi).s_qf_names[i]); #endif destroy_percpu_info(sbi); for (i = 0; i < NR_PAGE_TYPE; i++) - kfree(sbi->write_io[i]); - kfree(sbi); + kvfree(sbi->write_io[i]); + kvfree(sbi); } int f2fs_sync_fs(struct super_block *sb, int sync) @@ -1067,6 +1105,8 @@ int f2fs_sync_fs(struct super_block *sb, int sync) if (unlikely(f2fs_cp_error(sbi))) return 0; + if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) + return 0; trace_f2fs_sync_fs(sb, sync); @@ -1079,7 +1119,7 @@ int f2fs_sync_fs(struct super_block *sb, int sync) cpc.reason = __get_cp_reason(sbi); mutex_lock(&sbi->gc_mutex); - err = write_checkpoint(sbi, &cpc); + err = f2fs_write_checkpoint(sbi, &cpc); mutex_unlock(&sbi->gc_mutex); } f2fs_trace_ios(NULL, 1); @@ -1166,6 +1206,14 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_blocks = total_count - start_count; buf->f_bfree = user_block_count - valid_user_blocks(sbi) - sbi->current_reserved_blocks; + + spin_lock(&sbi->stat_lock); + if (unlikely(buf->f_bfree <= sbi->unusable_block_count)) + buf->f_bfree = 0; + else + buf->f_bfree -= sbi->unusable_block_count; + spin_unlock(&sbi->stat_lock); + if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks) buf->f_bavail = buf->f_bfree - F2FS_OPTION(sbi).root_reserved_blocks; @@ -1250,6 +1298,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",disable_roll_forward"); if (test_opt(sbi, DISCARD)) seq_puts(seq, ",discard"); + else + seq_puts(seq, ",nodiscard"); if (test_opt(sbi, NOHEAP)) seq_puts(seq, ",no_heap"); else @@ -1310,11 +1360,15 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) from_kgid_munged(&init_user_ns, F2FS_OPTION(sbi).s_resgid)); if (F2FS_IO_SIZE_BITS(sbi)) - seq_printf(seq, ",io_size=%uKB", F2FS_IO_SIZE_KB(sbi)); + seq_printf(seq, ",io_bits=%u", + F2FS_OPTION(sbi).write_io_size_bits); #ifdef CONFIG_F2FS_FAULT_INJECTION - if (test_opt(sbi, FAULT_INJECTION)) + if (test_opt(sbi, FAULT_INJECTION)) { seq_printf(seq, ",fault_injection=%u", F2FS_OPTION(sbi).fault_info.inject_rate); + seq_printf(seq, ",fault_type=%u", + F2FS_OPTION(sbi).fault_info.inject_type); + } #endif #ifdef CONFIG_QUOTA if (test_opt(sbi, QUOTA)) @@ -1341,10 +1395,15 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE) seq_printf(seq, ",alloc_mode=%s", "reuse"); + if (test_opt(sbi, DISABLE_CHECKPOINT)) + seq_printf(seq, ",checkpoint=disable:%u", + F2FS_OPTION(sbi).unusable_cap); if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX) seq_printf(seq, ",fsync_mode=%s", "posix"); else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) seq_printf(seq, ",fsync_mode=%s", "strict"); + else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER) + seq_printf(seq, ",fsync_mode=%s", "nobarrier"); return 0; } @@ -1357,7 +1416,8 @@ static void default_options(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT; F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX; F2FS_OPTION(sbi).test_dummy_encryption = false; - sbi->readdir_ra = 1; + F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); + F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); set_opt(sbi, BG_GC); set_opt(sbi, INLINE_XATTR); @@ -1366,13 +1426,14 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, EXTENT_CACHE); set_opt(sbi, NOHEAP); sbi->sb->s_flags |= MS_LAZYTIME; + clear_opt(sbi, DISABLE_CHECKPOINT); + F2FS_OPTION(sbi).unusable_cap = 0; set_opt(sbi, FLUSH_MERGE); - if (f2fs_sb_has_blkzoned(sbi->sb)) { + set_opt(sbi, DISCARD); + if (f2fs_sb_has_blkzoned(sbi)) set_opt_mode(sbi, F2FS_MOUNT_LFS); - set_opt(sbi, DISCARD); - } else { + else set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE); - } #ifdef CONFIG_F2FS_FS_XATTR set_opt(sbi, XATTR_USER); @@ -1381,14 +1442,82 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, POSIX_ACL); #endif -#ifdef CONFIG_F2FS_FAULT_INJECTION - f2fs_build_fault_attr(sbi, 0); -#endif + f2fs_build_fault_attr(sbi, 0, 0); } #ifdef CONFIG_QUOTA static int f2fs_enable_quotas(struct super_block *sb); #endif + +static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi) +{ + unsigned int s_flags = sbi->sb->s_flags; + struct cp_control cpc; + int err = 0; + int ret; + block_t unusable; + + if (s_flags & MS_RDONLY) { + f2fs_err(sbi, "checkpoint=disable on readonly fs"); + return -EINVAL; + } + sbi->sb->s_flags |= MS_ACTIVE; + + f2fs_update_time(sbi, DISABLE_TIME); + + while (!f2fs_time_over(sbi, DISABLE_TIME)) { + mutex_lock(&sbi->gc_mutex); + err = f2fs_gc(sbi, true, false, NULL_SEGNO); + if (err == -ENODATA) { + err = 0; + break; + } + if (err && err != -EAGAIN) + break; + } + + ret = sync_filesystem(sbi->sb); + if (ret || err) { + err = ret ? ret: err; + goto restore_flag; + } + + unusable = f2fs_get_unusable_blocks(sbi); + if (f2fs_disable_cp_again(sbi, unusable)) { + err = -EAGAIN; + goto restore_flag; + } + + mutex_lock(&sbi->gc_mutex); + cpc.reason = CP_PAUSE; + set_sbi_flag(sbi, SBI_CP_DISABLED); + err = f2fs_write_checkpoint(sbi, &cpc); + if (err) + goto out_unlock; + + spin_lock(&sbi->stat_lock); + sbi->unusable_block_count = unusable; + spin_unlock(&sbi->stat_lock); + +out_unlock: + mutex_unlock(&sbi->gc_mutex); +restore_flag: + sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */ + return err; +} + +static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) +{ + mutex_lock(&sbi->gc_mutex); + f2fs_dirty_to_prefree(sbi); + + clear_sbi_flag(sbi, SBI_CP_DISABLED); + set_sbi_flag(sbi, SBI_IS_DIRTY); + mutex_unlock(&sbi->gc_mutex); + + f2fs_sync_fs(sbi->sb, 1); +} + static int f2fs_remount(struct super_block *sb, int *flags, char *data) { struct f2fs_sb_info *sbi = F2FS_SB(sb); @@ -1398,6 +1527,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) bool need_restart_gc = false; bool need_stop_gc = false; bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE); + bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT); + bool checkpoint_changed; #ifdef CONFIG_QUOTA int i, j; #endif @@ -1418,7 +1549,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) GFP_KERNEL); if (!org_mount_opt.s_qf_names[i]) { for (j = 0; j < i; j++) - kfree(org_mount_opt.s_qf_names[j]); + kvfree(org_mount_opt.s_qf_names[j]); return -ENOMEM; } } else { @@ -1430,8 +1561,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) /* recover superblocks we couldn't write due to previous RO mount */ if (!(*flags & MS_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { err = f2fs_commit_super(sbi, false); - f2fs_msg(sb, KERN_INFO, - "Try to recover all the superblocks, ret: %d", err); + f2fs_info(sbi, "Try to recover all the superblocks, ret: %d", + err); if (!err) clear_sbi_flag(sbi, SBI_NEED_SB_WRITE); } @@ -1442,6 +1573,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) err = parse_options(sb, data); if (err) goto restore_opts; + checkpoint_changed = + disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT); /* * Previous and new state of filesystem is RO, @@ -1460,7 +1593,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) sb->s_flags &= ~MS_RDONLY; if (sb_any_quota_suspended(sb)) { dquot_resume(sb, -1); - } else if (f2fs_sb_has_quota_ino(sb)) { + } else if (f2fs_sb_has_quota_ino(sbi)) { err = f2fs_enable_quotas(sb); if (err) goto restore_opts; @@ -1470,8 +1603,13 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) /* disallow enable/disable extent_cache dynamically */ if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) { err = -EINVAL; - f2fs_msg(sbi->sb, KERN_WARNING, - "switch extent_cache option is not allowed"); + f2fs_warn(sbi, "switch extent_cache option is not allowed"); + goto restore_opts; + } + + if ((*flags & MS_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) { + err = -EINVAL; + f2fs_warn(sbi, "disabling checkpoint not compatible with read-only"); goto restore_opts; } @@ -1482,11 +1620,11 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) */ if ((*flags & MS_RDONLY) || !test_opt(sbi, BG_GC)) { if (sbi->gc_thread) { - stop_gc_thread(sbi); + f2fs_stop_gc_thread(sbi); need_restart_gc = true; } } else if (!sbi->gc_thread) { - err = start_gc_thread(sbi); + err = f2fs_start_gc_thread(sbi); if (err) goto restore_opts; need_stop_gc = true; @@ -1503,15 +1641,25 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) clear_sbi_flag(sbi, SBI_IS_CLOSE); } + if (checkpoint_changed) { + if (test_opt(sbi, DISABLE_CHECKPOINT)) { + err = f2fs_disable_checkpoint(sbi); + if (err) + goto restore_gc; + } else { + f2fs_enable_checkpoint(sbi); + } + } + /* * We stop issue flush thread if FS is mounted as RO * or if flush_merge is not passed in mount option. */ if ((*flags & MS_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { clear_opt(sbi, FLUSH_MERGE); - destroy_flush_cmd_control(sbi, false); + f2fs_destroy_flush_cmd_control(sbi, false); } else { - err = create_flush_cmd_control(sbi); + err = f2fs_create_flush_cmd_control(sbi); if (err) goto restore_gc; } @@ -1519,27 +1667,27 @@ skip: #ifdef CONFIG_QUOTA /* Release old quota file names */ for (i = 0; i < MAXQUOTAS; i++) - kfree(org_mount_opt.s_qf_names[i]); + kvfree(org_mount_opt.s_qf_names[i]); #endif /* Update the POSIXACL Flag */ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | (test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0); limit_reserve_root(sbi); + *flags = (*flags & ~MS_LAZYTIME) | (sb->s_flags & MS_LAZYTIME); return 0; restore_gc: if (need_restart_gc) { - if (start_gc_thread(sbi)) - f2fs_msg(sbi->sb, KERN_WARNING, - "background gc thread has stopped"); + if (f2fs_start_gc_thread(sbi)) + f2fs_warn(sbi, "background gc thread has stopped"); } else if (need_stop_gc) { - stop_gc_thread(sbi); + f2fs_stop_gc_thread(sbi); } restore_opts: #ifdef CONFIG_QUOTA F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt; for (i = 0; i < MAXQUOTAS; i++) { - kfree(F2FS_OPTION(sbi).s_qf_names[i]); + kvfree(F2FS_OPTION(sbi).s_qf_names[i]); F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i]; } #endif @@ -1578,6 +1726,7 @@ repeat: congestion_wait(BLK_RW_ASYNC, HZ/50); goto repeat; } + set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); return PTR_ERR(page); } @@ -1589,6 +1738,7 @@ repeat: } if (unlikely(!PageUptodate(page))) { f2fs_put_page(page, 1); + set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); return -EIO; } @@ -1630,6 +1780,7 @@ retry: congestion_wait(BLK_RW_ASYNC, HZ/50); goto retry; } + set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); break; } @@ -1666,6 +1817,11 @@ static qsize_t *f2fs_get_reserved_space(struct inode *inode) static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type) { + if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) { + f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it"); + return 0; + } + return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type], F2FS_OPTION(sbi).s_jquota_fmt, type); } @@ -1675,11 +1831,10 @@ int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) int enabled = 0; int i, err; - if (f2fs_sb_has_quota_ino(sbi->sb) && rdonly) { + if (f2fs_sb_has_quota_ino(sbi) && rdonly) { err = f2fs_enable_quotas(sbi->sb); if (err) { - f2fs_msg(sbi->sb, KERN_ERR, - "Cannot turn on quota_ino: %d", err); + f2fs_err(sbi, "Cannot turn on quota_ino: %d", err); return 0; } return 1; @@ -1692,8 +1847,8 @@ int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly) enabled = 1; continue; } - f2fs_msg(sbi->sb, KERN_ERR, - "Cannot turn on quotas: %d on %d", err, i); + f2fs_err(sbi, "Cannot turn on quotas: %d on %d", + err, i); } } return enabled; @@ -1706,7 +1861,7 @@ static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, unsigned long qf_inum; int err; - BUG_ON(!f2fs_sb_has_quota_ino(sb)); + BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb))); qf_inum = f2fs_qf_ino(sb, type); if (!qf_inum) @@ -1714,8 +1869,7 @@ static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, qf_inode = f2fs_iget(sb, qf_inum); if (IS_ERR(qf_inode)) { - f2fs_msg(sb, KERN_ERR, - "Bad quota inode %u:%lu", type, qf_inum); + f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum); return PTR_ERR(qf_inode); } @@ -1728,15 +1882,22 @@ static int f2fs_quota_enable(struct super_block *sb, int type, int format_id, static int f2fs_enable_quotas(struct super_block *sb) { + struct f2fs_sb_info *sbi = F2FS_SB(sb); int type, err = 0; unsigned long qf_inum; bool quota_mopt[MAXQUOTAS] = { - test_opt(F2FS_SB(sb), USRQUOTA), - test_opt(F2FS_SB(sb), GRPQUOTA), - test_opt(F2FS_SB(sb), PRJQUOTA), + test_opt(sbi, USRQUOTA), + test_opt(sbi, GRPQUOTA), + test_opt(sbi, PRJQUOTA), }; + if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) { + f2fs_err(sbi, "quota file may be corrupted, skip loading it"); + return 0; + } + sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; + for (type = 0; type < MAXQUOTAS; type++) { qf_inum = f2fs_qf_ino(sb, type); if (qf_inum) { @@ -1744,12 +1905,12 @@ static int f2fs_enable_quotas(struct super_block *sb) DQUOT_USAGE_ENABLED | (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0)); if (err) { - f2fs_msg(sb, KERN_ERR, - "Failed to enable quota tracking " - "(type=%d, err=%d). Please run " - "fsck to fix.", type, err); + f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.", + type, err); for (type--; type >= 0; type--) dquot_quota_off(sb, type); + set_sbi_flag(F2FS_SB(sb), + SBI_QUOTA_NEED_REPAIR); return err; } } @@ -1757,35 +1918,65 @@ static int f2fs_enable_quotas(struct super_block *sb) return 0; } -static int f2fs_quota_sync(struct super_block *sb, int type) +int f2fs_quota_sync(struct super_block *sb, int type) { + struct f2fs_sb_info *sbi = F2FS_SB(sb); struct quota_info *dqopt = sb_dqopt(sb); int cnt; int ret; + /* + * do_quotactl + * f2fs_quota_sync + * down_read(quota_sem) + * dquot_writeback_dquots() + * f2fs_dquot_commit + * block_operation + * down_read(quota_sem) + */ + f2fs_lock_op(sbi); + + down_read(&sbi->quota_sem); ret = dquot_writeback_dquots(sb, type); if (ret) - return ret; + goto out; /* * Now when everything is written we can discard the pagecache so * that userspace sees the changes. */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + struct address_space *mapping; + if (type != -1 && cnt != type) continue; if (!sb_has_quota_active(sb, cnt)) continue; - ret = filemap_write_and_wait(dqopt->files[cnt]->i_mapping); + mapping = dqopt->files[cnt]->i_mapping; + + ret = filemap_fdatawrite(mapping); if (ret) - return ret; + goto out; + + /* if we are using journalled quota */ + if (is_journalled_quota(sbi)) + continue; + + ret = filemap_fdatawait(mapping); + if (ret) + set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); inode_lock(dqopt->files[cnt]); truncate_inode_pages(&dqopt->files[cnt]->i_data, 0); inode_unlock(dqopt->files[cnt]); } - return 0; +out: + if (ret) + set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); + up_read(&sbi->quota_sem); + f2fs_unlock_op(sbi); + return ret; } static int f2fs_quota_on(struct super_block *sb, int type, int format_id, @@ -1805,9 +1996,8 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id, inode = d_inode(path->dentry); inode_lock(inode); - F2FS_I(inode)->i_flags |= FS_NOATIME_FL | FS_IMMUTABLE_FL; - inode_set_flags(inode, S_NOATIME | S_IMMUTABLE, - S_NOATIME | S_IMMUTABLE); + F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; + f2fs_set_inode_flags(inode); inode_unlock(inode); f2fs_mark_inode_dirty_sync(inode, false); @@ -1822,15 +2012,17 @@ static int f2fs_quota_off(struct super_block *sb, int type) if (!inode || !igrab(inode)) return dquot_quota_off(sb, type); - f2fs_quota_sync(sb, type); + err = f2fs_quota_sync(sb, type); + if (err) + goto out_put; err = dquot_quota_off(sb, type); - if (err || f2fs_sb_has_quota_ino(sb)) + if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb))) goto out_put; inode_lock(inode); - F2FS_I(inode)->i_flags &= ~(FS_NOATIME_FL | FS_IMMUTABLE_FL); - inode_set_flags(inode, 0, S_NOATIME | S_IMMUTABLE); + F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL); + f2fs_set_inode_flags(inode); inode_unlock(inode); f2fs_mark_inode_dirty_sync(inode, false); out_put: @@ -1841,9 +2033,105 @@ out_put: void f2fs_quota_off_umount(struct super_block *sb) { int type; + int err; + + for (type = 0; type < MAXQUOTAS; type++) { + err = f2fs_quota_off(sb, type); + if (err) { + int ret = dquot_quota_off(sb, type); - for (type = 0; type < MAXQUOTAS; type++) - f2fs_quota_off(sb, type); + f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.", + type, err, ret); + set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR); + } + } + /* + * In case of checkpoint=disable, we must flush quota blocks. + * This can cause NULL exception for node_inode in end_io, since + * put_super already dropped it. + */ + sync_filesystem(sb); +} + +static void f2fs_truncate_quota_inode_pages(struct super_block *sb) +{ + struct quota_info *dqopt = sb_dqopt(sb); + int type; + + for (type = 0; type < MAXQUOTAS; type++) { + if (!dqopt->files[type]) + continue; + f2fs_inode_synced(dqopt->files[type]); + } +} + +static int f2fs_dquot_commit(struct dquot *dquot) +{ + struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); + int ret; + + down_read(&sbi->quota_sem); + ret = dquot_commit(dquot); + if (ret < 0) + set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); + up_read(&sbi->quota_sem); + return ret; +} + +static int f2fs_dquot_acquire(struct dquot *dquot) +{ + struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); + int ret; + + down_read(&sbi->quota_sem); + ret = dquot_acquire(dquot); + if (ret < 0) + set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); + up_read(&sbi->quota_sem); + return ret; +} + +static int f2fs_dquot_release(struct dquot *dquot) +{ + struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb); + int ret; + + down_read(&sbi->quota_sem); + ret = dquot_release(dquot); + if (ret < 0) + set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); + up_read(&sbi->quota_sem); + return ret; +} + +static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot) +{ + struct super_block *sb = dquot->dq_sb; + struct f2fs_sb_info *sbi = F2FS_SB(sb); + int ret; + + down_read(&sbi->quota_sem); + ret = dquot_mark_dquot_dirty(dquot); + + /* if we are using journalled quota */ + if (is_journalled_quota(sbi)) + set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH); + + up_read(&sbi->quota_sem); + return ret; +} + +static int f2fs_dquot_commit_info(struct super_block *sb, int type) +{ + struct f2fs_sb_info *sbi = F2FS_SB(sb); + int ret; + + down_read(&sbi->quota_sem); + ret = dquot_commit_info(sb, type); + if (ret < 0) + set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); + up_read(&sbi->quota_sem); + return ret; } #if 0 @@ -1856,11 +2144,11 @@ static int f2fs_get_projid(struct inode *inode, kprojid_t *projid) static const struct dquot_operations f2fs_quota_operations = { .get_reserved_space = f2fs_get_reserved_space, - .write_dquot = dquot_commit, - .acquire_dquot = dquot_acquire, - .release_dquot = dquot_release, - .mark_dirty = dquot_mark_dquot_dirty, - .write_info = dquot_commit_info, + .write_dquot = f2fs_dquot_commit, + .acquire_dquot = f2fs_dquot_acquire, + .release_dquot = f2fs_dquot_release, + .mark_dirty = f2fs_dquot_mark_dquot_dirty, + .write_info = f2fs_dquot_commit_info, .alloc_dquot = dquot_alloc, .destroy_dquot = dquot_destroy, #if 0 @@ -1879,6 +2167,11 @@ static const struct quotactl_ops f2fs_quotactl_ops = { .set_dqblk = dquot_set_dqblk, }; #else +int f2fs_quota_sync(struct super_block *sb, int type) +{ + return 0; +} + void f2fs_quota_off_umount(struct super_block *sb) { } @@ -1924,7 +2217,7 @@ static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len, * if LOST_FOUND feature is enabled. * */ - if (f2fs_sb_has_lost_found(sbi->sb) && + if (f2fs_sb_has_lost_found(sbi) && inode->i_ino == F2FS_ROOT_INO(sbi)) return -EPERM; @@ -1938,19 +2231,13 @@ static bool f2fs_dummy_context(struct inode *inode) return DUMMY_ENCRYPTION_ENABLED(F2FS_I_SB(inode)); } -static unsigned f2fs_max_namelen(struct inode *inode) -{ - return S_ISLNK(inode->i_mode) ? - inode->i_sb->s_blocksize : F2FS_NAME_LEN; -} - static const struct fscrypt_operations f2fs_cryptops = { .key_prefix = "f2fs:", .get_context = f2fs_get_context, .set_context = f2fs_set_context, .dummy_context = f2fs_dummy_context, .empty_dir = f2fs_empty_dir, - .max_namelen = f2fs_max_namelen, + .max_namelen = F2FS_NAME_LEN, }; #endif @@ -1960,7 +2247,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb, struct f2fs_sb_info *sbi = F2FS_SB(sb); struct inode *inode; - if (check_nid_range(sbi, ino)) + if (f2fs_check_nid_range(sbi, ino)) return ERR_PTR(-ESTALE); /* @@ -2002,7 +2289,7 @@ static const struct export_operations f2fs_export_ops = { static loff_t max_file_blocks(void) { loff_t result = 0; - loff_t leaf_count = ADDRS_PER_BLOCK; + loff_t leaf_count = DEF_ADDRS_PER_BLOCK; /* * note: previously, result is equal to (DEF_ADDRS_PER_INODE - @@ -2063,55 +2350,49 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, (segment_count << log_blocks_per_seg); if (segment0_blkaddr != cp_blkaddr) { - f2fs_msg(sb, KERN_INFO, - "Mismatch start address, segment0(%u) cp_blkaddr(%u)", - segment0_blkaddr, cp_blkaddr); + f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", + segment0_blkaddr, cp_blkaddr); return true; } if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) != sit_blkaddr) { - f2fs_msg(sb, KERN_INFO, - "Wrong CP boundary, start(%u) end(%u) blocks(%u)", - cp_blkaddr, sit_blkaddr, - segment_count_ckpt << log_blocks_per_seg); + f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)", + cp_blkaddr, sit_blkaddr, + segment_count_ckpt << log_blocks_per_seg); return true; } if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) != nat_blkaddr) { - f2fs_msg(sb, KERN_INFO, - "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", - sit_blkaddr, nat_blkaddr, - segment_count_sit << log_blocks_per_seg); + f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)", + sit_blkaddr, nat_blkaddr, + segment_count_sit << log_blocks_per_seg); return true; } if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) != ssa_blkaddr) { - f2fs_msg(sb, KERN_INFO, - "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", - nat_blkaddr, ssa_blkaddr, - segment_count_nat << log_blocks_per_seg); + f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)", + nat_blkaddr, ssa_blkaddr, + segment_count_nat << log_blocks_per_seg); return true; } if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) != main_blkaddr) { - f2fs_msg(sb, KERN_INFO, - "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", - ssa_blkaddr, main_blkaddr, - segment_count_ssa << log_blocks_per_seg); + f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)", + ssa_blkaddr, main_blkaddr, + segment_count_ssa << log_blocks_per_seg); return true; } if (main_end_blkaddr > seg_end_blkaddr) { - f2fs_msg(sb, KERN_INFO, - "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)", - main_blkaddr, - segment0_blkaddr + - (segment_count << log_blocks_per_seg), - segment_count_main << log_blocks_per_seg); + f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)", + main_blkaddr, + segment0_blkaddr + + (segment_count << log_blocks_per_seg), + segment_count_main << log_blocks_per_seg); return true; } else if (main_end_blkaddr < seg_end_blkaddr) { int err = 0; @@ -2128,12 +2409,11 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, err = __f2fs_commit_super(bh, NULL); res = err ? "failed" : "done"; } - f2fs_msg(sb, KERN_INFO, - "Fix alignment : %s, start(%u) end(%u) block(%u)", - res, main_blkaddr, - segment0_blkaddr + - (segment_count << log_blocks_per_seg), - segment_count_main << log_blocks_per_seg); + f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%u) block(%u)", + res, main_blkaddr, + segment0_blkaddr + + (segment_count << log_blocks_per_seg), + segment_count_main << log_blocks_per_seg); if (err) return true; } @@ -2143,41 +2423,56 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, static int sanity_check_raw_super(struct f2fs_sb_info *sbi, struct buffer_head *bh) { + block_t segment_count, segs_per_sec, secs_per_zone; + block_t total_sections, blocks_per_seg; struct f2fs_super_block *raw_super = (struct f2fs_super_block *) (bh->b_data + F2FS_SUPER_OFFSET); - struct super_block *sb = sbi->sb; unsigned int blocksize; + size_t crc_offset = 0; + __u32 crc = 0; - if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) { - f2fs_msg(sb, KERN_INFO, - "Magic Mismatch, valid(0x%x) - read(0x%x)", - F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); - return 1; + if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) { + f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)", + F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); + return -EINVAL; + } + + /* Check checksum_offset and crc in superblock */ + if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { + crc_offset = le32_to_cpu(raw_super->checksum_offset); + if (crc_offset != + offsetof(struct f2fs_super_block, crc)) { + f2fs_info(sbi, "Invalid SB checksum offset: %zu", + crc_offset); + return -EFSCORRUPTED; + } + crc = le32_to_cpu(raw_super->crc); + if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { + f2fs_info(sbi, "Invalid SB checksum value: %u", crc); + return -EFSCORRUPTED; + } } /* Currently, support only 4KB page cache size */ if (F2FS_BLKSIZE != PAGE_SIZE) { - f2fs_msg(sb, KERN_INFO, - "Invalid page_cache_size (%lu), supports only 4KB\n", - PAGE_SIZE); - return 1; + f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB", + PAGE_SIZE); + return -EFSCORRUPTED; } /* Currently, support only 4KB block size */ blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); if (blocksize != F2FS_BLKSIZE) { - f2fs_msg(sb, KERN_INFO, - "Invalid blocksize (%u), supports only 4KB\n", - blocksize); - return 1; + f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB", + blocksize); + return -EFSCORRUPTED; } /* check log blocks per segment */ if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { - f2fs_msg(sb, KERN_INFO, - "Invalid log blocks per segment (%u)\n", - le32_to_cpu(raw_super->log_blocks_per_seg)); - return 1; + f2fs_info(sbi, "Invalid log blocks per segment (%u)", + le32_to_cpu(raw_super->log_blocks_per_seg)); + return -EFSCORRUPTED; } /* Currently, support 512/1024/2048/4096 bytes sector size */ @@ -2185,47 +2480,102 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, F2FS_MAX_LOG_SECTOR_SIZE || le32_to_cpu(raw_super->log_sectorsize) < F2FS_MIN_LOG_SECTOR_SIZE) { - f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize (%u)", - le32_to_cpu(raw_super->log_sectorsize)); - return 1; + f2fs_info(sbi, "Invalid log sectorsize (%u)", + le32_to_cpu(raw_super->log_sectorsize)); + return -EFSCORRUPTED; } if (le32_to_cpu(raw_super->log_sectors_per_block) + le32_to_cpu(raw_super->log_sectorsize) != F2FS_MAX_LOG_SECTOR_SIZE) { - f2fs_msg(sb, KERN_INFO, - "Invalid log sectors per block(%u) log sectorsize(%u)", - le32_to_cpu(raw_super->log_sectors_per_block), - le32_to_cpu(raw_super->log_sectorsize)); - return 1; + f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)", + le32_to_cpu(raw_super->log_sectors_per_block), + le32_to_cpu(raw_super->log_sectorsize)); + return -EFSCORRUPTED; + } + + segment_count = le32_to_cpu(raw_super->segment_count); + segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); + secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); + total_sections = le32_to_cpu(raw_super->section_count); + + /* blocks_per_seg should be 512, given the above check */ + blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); + + if (segment_count > F2FS_MAX_SEGMENT || + segment_count < F2FS_MIN_SEGMENTS) { + f2fs_info(sbi, "Invalid segment count (%u)", segment_count); + return -EFSCORRUPTED; + } + + if (total_sections > segment_count || + total_sections < F2FS_MIN_SEGMENTS || + segs_per_sec > segment_count || !segs_per_sec) { + f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)", + segment_count, total_sections, segs_per_sec); + return -EFSCORRUPTED; + } + + if ((segment_count / segs_per_sec) < total_sections) { + f2fs_info(sbi, "Small segment_count (%u < %u * %u)", + segment_count, segs_per_sec, total_sections); + return -EFSCORRUPTED; + } + + if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { + f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)", + segment_count, le64_to_cpu(raw_super->block_count)); + return -EFSCORRUPTED; + } + + if (secs_per_zone > total_sections || !secs_per_zone) { + f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)", + secs_per_zone, total_sections); + return -EFSCORRUPTED; + } + if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || + raw_super->hot_ext_count > F2FS_MAX_EXTENSION || + (le32_to_cpu(raw_super->extension_count) + + raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { + f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)", + le32_to_cpu(raw_super->extension_count), + raw_super->hot_ext_count, + F2FS_MAX_EXTENSION); + return -EFSCORRUPTED; + } + + if (le32_to_cpu(raw_super->cp_payload) > + (blocks_per_seg - F2FS_CP_PACKS)) { + f2fs_info(sbi, "Insane cp_payload (%u > %u)", + le32_to_cpu(raw_super->cp_payload), + blocks_per_seg - F2FS_CP_PACKS); + return -EFSCORRUPTED; } /* check reserved ino info */ if (le32_to_cpu(raw_super->node_ino) != 1 || le32_to_cpu(raw_super->meta_ino) != 2 || le32_to_cpu(raw_super->root_ino) != 3) { - f2fs_msg(sb, KERN_INFO, - "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", - le32_to_cpu(raw_super->node_ino), - le32_to_cpu(raw_super->meta_ino), - le32_to_cpu(raw_super->root_ino)); - return 1; + f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", + le32_to_cpu(raw_super->node_ino), + le32_to_cpu(raw_super->meta_ino), + le32_to_cpu(raw_super->root_ino)); + return -EFSCORRUPTED; } if (le32_to_cpu(raw_super->segment_count) > F2FS_MAX_SEGMENT) { - f2fs_msg(sb, KERN_INFO, - "Invalid segment count (%u)", + f2fs_info(sbi, "Invalid segment count (%u)", le32_to_cpu(raw_super->segment_count)); return 1; } /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ if (sanity_check_area_boundary(sbi, bh)) - return 1; + return -EFSCORRUPTED; return 0; } -int sanity_check_ckpt(struct f2fs_sb_info *sbi) +int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) { unsigned int total, fsmeta; struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); @@ -2235,6 +2585,10 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) unsigned int sit_segs, nat_segs; unsigned int sit_bitmap_size, nat_bitmap_size; unsigned int log_blocks_per_seg; + unsigned int segment_count_main; + unsigned int cp_pack_start_sum, cp_payload; + block_t user_block_count, valid_user_blocks; + block_t avail_node_count, valid_node_count; int i, j; total = le32_to_cpu(raw_super->segment_count); @@ -2254,8 +2608,33 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) if (unlikely(fsmeta < F2FS_MIN_SEGMENTS || ovp_segments == 0 || reserved_segments == 0)) { - f2fs_msg(sbi->sb, KERN_ERR, - "Wrong layout: check mkfs.f2fs version"); + f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version"); + return 1; + } + + user_block_count = le64_to_cpu(ckpt->user_block_count); + segment_count_main = le32_to_cpu(raw_super->segment_count_main); + log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); + if (!user_block_count || user_block_count >= + segment_count_main << log_blocks_per_seg) { + f2fs_err(sbi, "Wrong user_block_count: %u", + user_block_count); + return 1; + } + + valid_user_blocks = le64_to_cpu(ckpt->valid_block_count); + if (valid_user_blocks > user_block_count) { + f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u", + valid_user_blocks, user_block_count); + return 1; + } + + valid_node_count = le32_to_cpu(ckpt->valid_node_count); + avail_node_count = sbi->total_node_count - sbi->nquota_files - + F2FS_RESERVED_NODE_NUM; + if (valid_node_count > avail_node_count) { + f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u", + valid_node_count, avail_node_count); return 1; } @@ -2269,10 +2648,9 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) { if (le32_to_cpu(ckpt->cur_node_segno[i]) == le32_to_cpu(ckpt->cur_node_segno[j])) { - f2fs_msg(sbi->sb, KERN_ERR, - "Node segment (%u, %u) has the same " - "segno: %u", i, j, - le32_to_cpu(ckpt->cur_node_segno[i])); + f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u", + i, j, + le32_to_cpu(ckpt->cur_node_segno[i])); return 1; } } @@ -2284,10 +2662,9 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) { if (le32_to_cpu(ckpt->cur_data_segno[i]) == le32_to_cpu(ckpt->cur_data_segno[j])) { - f2fs_msg(sbi->sb, KERN_ERR, - "Data segment (%u, %u) has the same " - "segno: %u", i, j, - le32_to_cpu(ckpt->cur_data_segno[i])); + f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u", + i, j, + le32_to_cpu(ckpt->cur_data_segno[i])); return 1; } } @@ -2296,7 +2673,7 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) { if (le32_to_cpu(ckpt->cur_node_segno[i]) == le32_to_cpu(ckpt->cur_data_segno[j])) { - f2fs_msg(sbi->sb, KERN_ERR, + f2fs_err(sbi, "Node segment (%u) and Data segment (%u)" " has the same segno: %u", i, j, le32_to_cpu(ckpt->cur_node_segno[i])); @@ -2311,14 +2688,32 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 || nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) { - f2fs_msg(sbi->sb, KERN_ERR, - "Wrong bitmap size: sit: %u, nat:%u", - sit_bitmap_size, nat_bitmap_size); + f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u", + sit_bitmap_size, nat_bitmap_size); + return 1; + } + + cp_pack_start_sum = __start_sum_addr(sbi); + cp_payload = __cp_payload(sbi); + if (cp_pack_start_sum < cp_payload + 1 || + cp_pack_start_sum > blocks_per_seg - 1 - + NR_CURSEG_TYPE) { + f2fs_err(sbi, "Wrong cp_pack_start_sum: %u", + cp_pack_start_sum); + return 1; + } + + if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) && + le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) { + f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, " + "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, " + "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"", + le32_to_cpu(ckpt->checksum_offset)); return 1; } if (unlikely(f2fs_cp_error(sbi))) { - f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck"); + f2fs_err(sbi, "A bug case: need to run fsck"); return 1; } return 0; @@ -2327,7 +2722,7 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) static void init_sb_info(struct f2fs_sb_info *sbi) { struct f2fs_super_block *raw_super = sbi->raw_super; - int i, j; + int i; sbi->log_sectors_per_block = le32_to_cpu(raw_super->log_sectors_per_block); @@ -2345,23 +2740,30 @@ static void init_sb_info(struct f2fs_sb_info *sbi) sbi->node_ino_num = le32_to_cpu(raw_super->node_ino); sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino); sbi->cur_victim_sec = NULL_SECNO; + sbi->next_victim_seg[BG_GC] = NULL_SEGNO; + sbi->next_victim_seg[FG_GC] = NULL_SEGNO; sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH; + sbi->migration_granularity = sbi->segs_per_sec; sbi->dir_level = DEF_DIR_LEVEL; sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; + sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL; + sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL; + sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL; + sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] = + DEF_UMOUNT_DISCARD_TIMEOUT; clear_sbi_flag(sbi, SBI_NEED_FSCK); for (i = 0; i < NR_COUNT_TYPE; i++) atomic_set(&sbi->nr_pages[i], 0); - atomic_set(&sbi->wb_sync_req, 0); + for (i = 0; i < META; i++) + atomic_set(&sbi->wb_sync_req[i], 0); INIT_LIST_HEAD(&sbi->s_list); mutex_init(&sbi->umount_mutex); - for (i = 0; i < NR_PAGE_TYPE - 1; i++) - for (j = HOT; j < NR_TEMP_TYPE; j++) - mutex_init(&sbi->wio_mutex[i][j]); + init_rwsem(&sbi->io_order_lock); spin_lock_init(&sbi->cp_lock); sbi->dirty_device = 0; @@ -2378,8 +2780,12 @@ static int init_percpu_info(struct f2fs_sb_info *sbi) if (err) return err; - return percpu_counter_init(&sbi->total_valid_inode_count, 0, + err = percpu_counter_init(&sbi->total_valid_inode_count, 0, GFP_KERNEL); + if (err) + percpu_counter_destroy(&sbi->alloc_valid_block_count); + + return err; } #ifdef CONFIG_BLK_DEV_ZONED @@ -2393,7 +2799,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) unsigned int n = 0; int err = -EIO; - if (!f2fs_sb_has_blkzoned(sbi->sb)) + if (!f2fs_sb_has_blkzoned(sbi)) return 0; if (sbi->blocks_per_blkz && sbi->blocks_per_blkz != @@ -2409,15 +2815,19 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) if (nr_sectors & (bdev_zone_sectors(bdev) - 1)) FDEV(devi).nr_blkz++; - FDEV(devi).blkz_type = f2fs_kmalloc(sbi, FDEV(devi).nr_blkz, - GFP_KERNEL); - if (!FDEV(devi).blkz_type) + FDEV(devi).blkz_seq = f2fs_kzalloc(sbi, + BITS_TO_LONGS(FDEV(devi).nr_blkz) + * sizeof(unsigned long), + GFP_KERNEL); + if (!FDEV(devi).blkz_seq) return -ENOMEM; #define F2FS_REPORT_NR_ZONES 4096 - zones = f2fs_kzalloc(sbi, sizeof(struct blk_zone) * - F2FS_REPORT_NR_ZONES, GFP_KERNEL); + zones = f2fs_kzalloc(sbi, + array_size(F2FS_REPORT_NR_ZONES, + sizeof(struct blk_zone)), + GFP_KERNEL); if (!zones) return -ENOMEM; @@ -2436,13 +2846,14 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi) } for (i = 0; i < nr_zones; i++) { - FDEV(devi).blkz_type[n] = zones[i].type; + if (zones[i].type != BLK_ZONE_TYPE_CONVENTIONAL) + set_bit(n, FDEV(devi).blkz_seq); sector += zones[i].len; n++; } } - kfree(zones); + kvfree(zones); return err; } @@ -2471,18 +2882,17 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi, for (block = 0; block < 2; block++) { bh = sb_bread(sb, block); if (!bh) { - f2fs_msg(sb, KERN_ERR, "Unable to read %dth superblock", - block + 1); + f2fs_err(sbi, "Unable to read %dth superblock", + block + 1); err = -EIO; continue; } /* sanity checking of raw super */ - if (sanity_check_raw_super(sbi, bh)) { - f2fs_msg(sb, KERN_ERR, - "Can't find valid F2FS filesystem in %dth superblock", - block + 1); - err = -EINVAL; + err = sanity_check_raw_super(sbi, bh); + if (err) { + f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock", + block + 1); brelse(bh); continue; } @@ -2502,7 +2912,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi, /* No valid superblock */ if (!*raw_super) - kfree(super); + kvfree(super); else err = 0; @@ -2512,6 +2922,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi, int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) { struct buffer_head *bh; + __u32 crc = 0; int err; if ((recover && f2fs_readonly(sbi->sb)) || @@ -2520,6 +2931,13 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) return -EROFS; } + /* we should update superblock crc here */ + if (!recover && f2fs_sb_has_sb_chksum(sbi)) { + crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi), + offsetof(struct f2fs_super_block, crc)); + F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc); + } + /* write back-up superblock first */ bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1); if (!bh) @@ -2561,8 +2979,10 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi) * Initialize multiple devices information, or single * zoned block device information. */ - sbi->devs = f2fs_kzalloc(sbi, sizeof(struct f2fs_dev_info) * - max_devices, GFP_KERNEL); + sbi->devs = f2fs_kzalloc(sbi, + array_size(max_devices, + sizeof(struct f2fs_dev_info)), + GFP_KERNEL); if (!sbi->devs) return -ENOMEM; @@ -2604,37 +3024,33 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi) #ifdef CONFIG_BLK_DEV_ZONED if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM && - !f2fs_sb_has_blkzoned(sbi->sb)) { - f2fs_msg(sbi->sb, KERN_ERR, - "Zoned block device feature not enabled\n"); + !f2fs_sb_has_blkzoned(sbi)) { + f2fs_err(sbi, "Zoned block device feature not enabled\n"); return -EINVAL; } if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) { if (init_blkz_info(sbi, i)) { - f2fs_msg(sbi->sb, KERN_ERR, - "Failed to initialize F2FS blkzone information"); + f2fs_err(sbi, "Failed to initialize F2FS blkzone information"); return -EINVAL; } if (max_devices == 1) break; - f2fs_msg(sbi->sb, KERN_INFO, - "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", - i, FDEV(i).path, - FDEV(i).total_segments, - FDEV(i).start_blk, FDEV(i).end_blk, - bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? - "Host-aware" : "Host-managed"); + f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)", + i, FDEV(i).path, + FDEV(i).total_segments, + FDEV(i).start_blk, FDEV(i).end_blk, + bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ? + "Host-aware" : "Host-managed"); continue; } #endif - f2fs_msg(sbi->sb, KERN_INFO, - "Mount Device [%2d]: %20s, %8u, %8x - %8x", - i, FDEV(i).path, - FDEV(i).total_segments, - FDEV(i).start_blk, FDEV(i).end_blk); - } - f2fs_msg(sbi->sb, KERN_INFO, - "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); + f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x", + i, FDEV(i).path, + FDEV(i).total_segments, + FDEV(i).start_blk, FDEV(i).end_blk); + } + f2fs_info(sbi, + "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi)); return 0; } @@ -2648,6 +3064,8 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) sm_i->dcc_info->discard_granularity = 1; sm_i->ipu_policy = 1 << F2FS_IPU_FORCE; } + + sbi->readdir_ra = 1; } static int f2fs_fill_super(struct super_block *sb, void *data, int silent) @@ -2656,10 +3074,11 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) struct f2fs_super_block *raw_super; struct inode *root; int err; - bool retry = true, need_fsck = false; + bool skip_recovery = false, need_fsck = false; char *options = NULL; int recovery, i, valid_super_block; struct curseg_info *seg_i; + int retry_cnt = 1; try_onemore: err = -EINVAL; @@ -2677,7 +3096,7 @@ try_onemore: /* Load the checksum driver */ sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0); if (IS_ERR(sbi->s_chksum_driver)) { - f2fs_msg(sb, KERN_ERR, "Cannot load crc32 driver."); + f2fs_err(sbi, "Cannot load crc32 driver."); err = PTR_ERR(sbi->s_chksum_driver); sbi->s_chksum_driver = NULL; goto free_sbi; @@ -2685,7 +3104,7 @@ try_onemore: /* set a block size */ if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) { - f2fs_msg(sb, KERN_ERR, "unable to set blocksize"); + f2fs_err(sbi, "unable to set blocksize"); goto free_sbi; } @@ -2697,11 +3116,8 @@ try_onemore: sb->s_fs_info = sbi; sbi->raw_super = raw_super; - F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID); - F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID); - /* precompute checksum seed for metadata */ - if (f2fs_sb_has_inode_chksum(sb)) + if (f2fs_sb_has_inode_chksum(sbi)) sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid, sizeof(raw_super->uuid)); @@ -2711,9 +3127,8 @@ try_onemore: * devices, but mandatory for host-managed zoned block devices. */ #ifndef CONFIG_BLK_DEV_ZONED - if (f2fs_sb_has_blkzoned(sb)) { - f2fs_msg(sb, KERN_ERR, - "Zoned block device support is not enabled\n"); + if (f2fs_sb_has_blkzoned(sbi)) { + f2fs_err(sbi, "Zoned block device support is not enabled"); err = -EOPNOTSUPP; goto free_sb_buf; } @@ -2734,17 +3149,13 @@ try_onemore: sb->s_maxbytes = sbi->max_file_blocks << le32_to_cpu(raw_super->log_blocksize); sb->s_max_links = F2FS_LINK_MAX; - get_random_bytes(&sbi->s_next_generation, sizeof(u32)); #ifdef CONFIG_QUOTA sb->dq_op = &f2fs_quota_operations; - if (f2fs_sb_has_quota_ino(sb)) - sb->s_qcop = &dquot_quotactl_sysfile_ops; - else - sb->s_qcop = &f2fs_quotactl_ops; + sb->s_qcop = &f2fs_quotactl_ops; sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ; - if (f2fs_sb_has_quota_ino(sbi->sb)) { + if (f2fs_sb_has_quota_ino(sbi)) { for (i = 0; i < MAXQUOTAS; i++) { if (f2fs_qf_ino(sbi->sb, i)) sbi->nquota_files++; @@ -2768,7 +3179,9 @@ try_onemore: /* init f2fs-specific super block info */ sbi->valid_super_block = valid_super_block; mutex_init(&sbi->gc_mutex); + mutex_init(&sbi->writepages); mutex_init(&sbi->cp_mutex); + mutex_init(&sbi->resize_mutex); init_rwsem(&sbi->node_write); init_rwsem(&sbi->node_change); @@ -2784,12 +3197,14 @@ try_onemore: int n = (i == META) ? 1: NR_TEMP_TYPE; int j; - sbi->write_io[i] = f2fs_kmalloc(sbi, - n * sizeof(struct f2fs_bio_info), - GFP_KERNEL); + sbi->write_io[i] = + f2fs_kmalloc(sbi, + array_size(n, + sizeof(struct f2fs_bio_info)), + GFP_KERNEL); if (!sbi->write_io[i]) { err = -ENOMEM; - goto free_options; + goto free_bio_info; } for (j = HOT; j < n; j++) { @@ -2802,6 +3217,7 @@ try_onemore: } init_rwsem(&sbi->cp_rwsem); + init_rwsem(&sbi->quota_sem); init_waitqueue_head(&sbi->cp_wait); init_sb_info(sbi); @@ -2821,21 +3237,31 @@ try_onemore: /* get an inode for meta space */ sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); if (IS_ERR(sbi->meta_inode)) { - f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode"); + f2fs_err(sbi, "Failed to read F2FS meta data inode"); err = PTR_ERR(sbi->meta_inode); goto free_io_dummy; } - err = get_valid_checkpoint(sbi); + err = f2fs_get_valid_checkpoint(sbi); if (err) { - f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint"); + f2fs_err(sbi, "Failed to get valid F2FS checkpoint"); goto free_meta_inode; } + if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG)) + set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR); + if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) { + set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); + sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL; + } + + if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG)) + set_sbi_flag(sbi, SBI_NEED_FSCK); + /* Initialize device list */ err = f2fs_scan_devices(sbi); if (err) { - f2fs_msg(sb, KERN_ERR, "Failed to find devices"); + f2fs_err(sbi, "Failed to find devices"); goto free_devices; } @@ -2855,22 +3281,25 @@ try_onemore: INIT_LIST_HEAD(&sbi->inode_list[i]); spin_lock_init(&sbi->inode_lock[i]); } + mutex_init(&sbi->flush_lock); + + f2fs_init_extent_cache_info(sbi); - init_extent_cache_info(sbi); + f2fs_init_ino_entry_info(sbi); - init_ino_entry_info(sbi); + f2fs_init_fsync_node_info(sbi); /* setup f2fs internal modules */ - err = build_segment_manager(sbi); + err = f2fs_build_segment_manager(sbi); if (err) { - f2fs_msg(sb, KERN_ERR, - "Failed to initialize F2FS segment manager"); + f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)", + err); goto free_sm; } - err = build_node_manager(sbi); + err = f2fs_build_node_manager(sbi); if (err) { - f2fs_msg(sb, KERN_ERR, - "Failed to initialize F2FS node manager"); + f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)", + err); goto free_nm; } @@ -2885,28 +3314,29 @@ try_onemore: sbi->kbytes_written = le64_to_cpu(seg_i->journal->info.kbytes_written); - build_gc_manager(sbi); + f2fs_build_gc_manager(sbi); + + err = f2fs_build_stats(sbi); + if (err) + goto free_nm; /* get an inode for node space */ sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); if (IS_ERR(sbi->node_inode)) { - f2fs_msg(sb, KERN_ERR, "Failed to read node inode"); + f2fs_err(sbi, "Failed to read node inode"); err = PTR_ERR(sbi->node_inode); - goto free_nm; + goto free_stats; } - err = f2fs_build_stats(sbi); - if (err) - goto free_node_inode; - /* read root inode and dentry */ root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); if (IS_ERR(root)) { - f2fs_msg(sb, KERN_ERR, "Failed to read root inode"); + f2fs_err(sbi, "Failed to read root inode"); err = PTR_ERR(root); - goto free_stats; + goto free_node_inode; } - if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) { + if (!S_ISDIR(root->i_mode) || !root->i_blocks || + !root->i_size || !root->i_nlink) { iput(root); err = -EINVAL; goto free_node_inode; @@ -2915,7 +3345,7 @@ try_onemore: sb->s_root = d_make_root(root); /* allocate root dentry */ if (!sb->s_root) { err = -ENOMEM; - goto free_root_inode; + goto free_node_inode; } err = f2fs_register_sysfs(sbi); @@ -2923,152 +3353,168 @@ try_onemore: goto free_root_inode; #ifdef CONFIG_QUOTA - /* - * Turn on quotas which were not enabled for read-only mounts if - * filesystem has quota feature, so that they are updated correctly. - */ - if (f2fs_sb_has_quota_ino(sb) && !f2fs_readonly(sb)) { + /* Enable quota usage during mount */ + if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) { err = f2fs_enable_quotas(sb); - if (err) { - f2fs_msg(sb, KERN_ERR, - "Cannot turn on quotas: error %d", err); - goto free_sysfs; - } + if (err) + f2fs_err(sbi, "Cannot turn on quotas: error %d", err); } #endif /* if there are nt orphan nodes free them */ - err = recover_orphan_inodes(sbi); + err = f2fs_recover_orphan_inodes(sbi); if (err) goto free_meta; + if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG))) + goto reset_checkpoint; + /* recover fsynced data */ if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) { /* * mount should be failed, when device has readonly mode, and * previous checkpoint was not done by clean system shutdown. */ - if (bdev_read_only(sb->s_bdev) && - !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { - err = -EROFS; - goto free_meta; + if (f2fs_hw_is_readonly(sbi)) { + if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { + err = -EROFS; + f2fs_err(sbi, "Need to recover fsync data, but write access unavailable"); + goto free_meta; + } + f2fs_info(sbi, "write access unavailable, skipping recovery"); + goto reset_checkpoint; } if (need_fsck) set_sbi_flag(sbi, SBI_NEED_FSCK); - if (!retry) - goto skip_recovery; + if (skip_recovery) + goto reset_checkpoint; - err = recover_fsync_data(sbi, false); + err = f2fs_recover_fsync_data(sbi, false); if (err < 0) { + if (err != -ENOMEM) + skip_recovery = true; need_fsck = true; - f2fs_msg(sb, KERN_ERR, - "Cannot recover all fsync data errno=%d", err); + f2fs_err(sbi, "Cannot recover all fsync data errno=%d", + err); goto free_meta; } } else { - err = recover_fsync_data(sbi, true); + err = f2fs_recover_fsync_data(sbi, true); if (!f2fs_readonly(sb) && err > 0) { err = -EINVAL; - f2fs_msg(sb, KERN_ERR, - "Need to recover fsync data"); + f2fs_err(sbi, "Need to recover fsync data"); goto free_meta; } } -skip_recovery: - /* recover_fsync_data() cleared this already */ +reset_checkpoint: + /* f2fs_recover_fsync_data() cleared this already */ clear_sbi_flag(sbi, SBI_POR_DOING); + if (test_opt(sbi, DISABLE_CHECKPOINT)) { + err = f2fs_disable_checkpoint(sbi); + if (err) + goto sync_free_meta; + } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) { + f2fs_enable_checkpoint(sbi); + } + /* * If filesystem is not mounted as read-only then * do start the gc_thread. */ if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) { /* After POR, we can run background GC thread.*/ - err = start_gc_thread(sbi); + err = f2fs_start_gc_thread(sbi); if (err) - goto free_meta; + goto sync_free_meta; } - kfree(options); + kvfree(options); /* recover broken superblock */ if (recovery) { err = f2fs_commit_super(sbi, true); - f2fs_msg(sb, KERN_INFO, - "Try to recover %dth superblock, ret: %d", - sbi->valid_super_block ? 1 : 2, err); + f2fs_info(sbi, "Try to recover %dth superblock, ret: %d", + sbi->valid_super_block ? 1 : 2, err); } f2fs_join_shrinker(sbi); f2fs_tuning_parameters(sbi); - f2fs_msg(sbi->sb, KERN_NOTICE, "Mounted with checkpoint version = %llx", - cur_cp_version(F2FS_CKPT(sbi))); + f2fs_notice(sbi, "Mounted with checkpoint version = %llx", + cur_cp_version(F2FS_CKPT(sbi))); f2fs_update_time(sbi, CP_TIME); f2fs_update_time(sbi, REQ_TIME); + clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK); return 0; +sync_free_meta: + /* safe to flush all the data */ + sync_filesystem(sbi->sb); + retry_cnt = 0; + free_meta: #ifdef CONFIG_QUOTA - if (f2fs_sb_has_quota_ino(sb) && !f2fs_readonly(sb)) + f2fs_truncate_quota_inode_pages(sb); + if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) f2fs_quota_off_umount(sbi->sb); #endif - f2fs_sync_inode_meta(sbi); /* - * Some dirty meta pages can be produced by recover_orphan_inodes() + * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes() * failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg() - * followed by write_checkpoint() through f2fs_write_node_pages(), which - * falls into an infinite loop in sync_meta_pages(). + * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which + * falls into an infinite loop in f2fs_sync_meta_pages(). */ truncate_inode_pages_final(META_MAPPING(sbi)); -#ifdef CONFIG_QUOTA -free_sysfs: -#endif + /* evict some inodes being cached by GC */ + evict_inodes(sb); f2fs_unregister_sysfs(sbi); free_root_inode: dput(sb->s_root); sb->s_root = NULL; -free_stats: - f2fs_destroy_stats(sbi); free_node_inode: - release_ino_entry(sbi, true); + f2fs_release_ino_entry(sbi, true); truncate_inode_pages_final(NODE_MAPPING(sbi)); iput(sbi->node_inode); + sbi->node_inode = NULL; +free_stats: + f2fs_destroy_stats(sbi); free_nm: - destroy_node_manager(sbi); + f2fs_destroy_node_manager(sbi); free_sm: - destroy_segment_manager(sbi); + f2fs_destroy_segment_manager(sbi); free_devices: destroy_device_list(sbi); - kfree(sbi->ckpt); + kvfree(sbi->ckpt); free_meta_inode: make_bad_inode(sbi->meta_inode); iput(sbi->meta_inode); + sbi->meta_inode = NULL; free_io_dummy: mempool_destroy(sbi->write_io_dummy); free_percpu: destroy_percpu_info(sbi); free_bio_info: for (i = 0; i < NR_PAGE_TYPE; i++) - kfree(sbi->write_io[i]); + kvfree(sbi->write_io[i]); free_options: #ifdef CONFIG_QUOTA for (i = 0; i < MAXQUOTAS; i++) - kfree(F2FS_OPTION(sbi).s_qf_names[i]); + kvfree(F2FS_OPTION(sbi).s_qf_names[i]); #endif - kfree(options); + kvfree(options); free_sb_buf: - kfree(raw_super); + kvfree(raw_super); free_sbi: if (sbi->s_chksum_driver) crypto_free_shash(sbi->s_chksum_driver); - kfree(sbi); + kvfree(sbi); /* give only one another chance */ - if (retry) { - retry = false; + if (retry_cnt > 0 && skip_recovery) { + retry_cnt--; shrink_dcache_sb(sb); goto try_onemore; } @@ -3084,9 +3530,22 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, static void kill_f2fs_super(struct super_block *sb) { if (sb->s_root) { - set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE); - stop_gc_thread(F2FS_SB(sb)); - stop_discard_thread(F2FS_SB(sb)); + struct f2fs_sb_info *sbi = F2FS_SB(sb); + + set_sbi_flag(sbi, SBI_IS_CLOSE); + f2fs_stop_gc_thread(sbi); + f2fs_stop_discard_thread(sbi); + + if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || + !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { + struct cp_control cpc = { + .reason = CP_UMOUNT, + }; + f2fs_write_checkpoint(sbi, &cpc); + } + + if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) + sb->s_flags &= ~MS_RDONLY; } kill_block_super(sb); } @@ -3135,16 +3594,16 @@ static int __init init_f2fs_fs(void) err = init_inodecache(); if (err) goto fail; - err = create_node_manager_caches(); + err = f2fs_create_node_manager_caches(); if (err) goto free_inodecache; - err = create_segment_manager_caches(); + err = f2fs_create_segment_manager_caches(); if (err) goto free_node_manager_caches; - err = create_checkpoint_caches(); + err = f2fs_create_checkpoint_caches(); if (err) goto free_segment_manager_caches; - err = create_extent_cache(); + err = f2fs_create_extent_cache(); if (err) goto free_checkpoint_caches; err = f2fs_init_sysfs(); @@ -3156,9 +3615,7 @@ static int __init init_f2fs_fs(void) err = register_filesystem(&f2fs_fs_type); if (err) goto free_shrinker; - err = f2fs_create_root_stats(); - if (err) - goto free_filesystem; + f2fs_create_root_stats(); err = f2fs_init_post_read_processing(); if (err) goto free_root_stats; @@ -3166,20 +3623,19 @@ static int __init init_f2fs_fs(void) free_root_stats: f2fs_destroy_root_stats(); -free_filesystem: unregister_filesystem(&f2fs_fs_type); free_shrinker: unregister_shrinker(&f2fs_shrinker_info); free_sysfs: f2fs_exit_sysfs(); free_extent_cache: - destroy_extent_cache(); + f2fs_destroy_extent_cache(); free_checkpoint_caches: - destroy_checkpoint_caches(); + f2fs_destroy_checkpoint_caches(); free_segment_manager_caches: - destroy_segment_manager_caches(); + f2fs_destroy_segment_manager_caches(); free_node_manager_caches: - destroy_node_manager_caches(); + f2fs_destroy_node_manager_caches(); free_inodecache: destroy_inodecache(); fail: @@ -3193,10 +3649,10 @@ static void __exit exit_f2fs_fs(void) unregister_filesystem(&f2fs_fs_type); unregister_shrinker(&f2fs_shrinker_info); f2fs_exit_sysfs(); - destroy_extent_cache(); - destroy_checkpoint_caches(); - destroy_segment_manager_caches(); - destroy_node_manager_caches(); + f2fs_destroy_extent_cache(); + f2fs_destroy_checkpoint_caches(); + f2fs_destroy_segment_manager_caches(); + f2fs_destroy_node_manager_caches(); destroy_inodecache(); f2fs_destroy_trace_ios(); } |
