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authorJaegeuk Kim <jaegeuk@kernel.org>2016-10-12 17:18:56 -0700
committerJaegeuk Kim <jaegeuk@google.com>2017-09-25 14:27:55 -0700
commitc1286ff41c2f610df0cc853e78819ca67a48ffe2 (patch)
treea10dd3c4ab8fe655ac5a734a5c52b9811bbc747f /fs/f2fs/file.c
parent650b6a5c418563f2a6cb4f12b3402a5b4870eea8 (diff)
f2fs: backport from (4c1fad64 - Merge tag 'for-f2fs-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs)
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c1302
1 files changed, 948 insertions, 354 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 4b449d263333..c6e33258fabf 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -21,6 +21,8 @@
#include <linux/mount.h>
#include <linux/pagevec.h>
#include <linux/random.h>
+#include <linux/uuid.h>
+#include <linux/file.h>
#include "f2fs.h"
#include "node.h"
@@ -40,8 +42,6 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
struct dnode_of_data dn;
int err;
- f2fs_balance_fs(sbi);
-
sb_start_pagefault(inode->i_sb);
f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
@@ -57,6 +57,8 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
f2fs_put_dnode(&dn);
f2fs_unlock_op(sbi);
+ f2fs_balance_fs(sbi, dn.node_changed);
+
file_update_time(vma->vm_file);
lock_page(page);
if (unlikely(page->mapping != inode->i_mapping ||
@@ -74,19 +76,20 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
goto mapped;
/* page is wholly or partially inside EOF */
- if (((loff_t)(page->index + 1) << PAGE_CACHE_SHIFT) >
+ if (((loff_t)(page->index + 1) << PAGE_SHIFT) >
i_size_read(inode)) {
unsigned offset;
- offset = i_size_read(inode) & ~PAGE_CACHE_MASK;
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ offset = i_size_read(inode) & ~PAGE_MASK;
+ zero_user_segment(page, offset, PAGE_SIZE);
}
set_page_dirty(page);
- SetPageUptodate(page);
+ if (!PageUptodate(page))
+ SetPageUptodate(page);
trace_f2fs_vm_page_mkwrite(page, DATA);
mapped:
/* fill the page */
- f2fs_wait_on_page_writeback(page, DATA);
+ f2fs_wait_on_page_writeback(page, DATA, false);
/* wait for GCed encrypted page writeback */
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
@@ -96,6 +99,7 @@ mapped:
clear_cold_data(page);
out:
sb_end_pagefault(inode->i_sb);
+ f2fs_update_time(sbi, REQ_TIME);
return block_page_mkwrite_return(err);
}
@@ -132,7 +136,7 @@ static inline bool need_do_checkpoint(struct inode *inode)
if (!S_ISREG(inode->i_mode) || inode->i_nlink != 1)
need_cp = true;
- else if (file_enc_name(inode) && need_dentry_mark(sbi, inode->i_ino))
+ else if (is_sbi_flag_set(sbi, SBI_NEED_CP))
need_cp = true;
else if (file_wrong_pino(inode))
need_cp = true;
@@ -170,21 +174,16 @@ static void try_to_fix_pino(struct inode *inode)
fi->xattr_ver = 0;
if (file_wrong_pino(inode) && inode->i_nlink == 1 &&
get_parent_ino(inode, &pino)) {
- fi->i_pino = pino;
+ f2fs_i_pino_write(inode, pino);
file_got_pino(inode);
- up_write(&fi->i_sem);
-
- mark_inode_dirty_sync(inode);
- f2fs_write_inode(inode, NULL);
- } else {
- up_write(&fi->i_sem);
}
+ up_write(&fi->i_sem);
}
-int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
+ int datasync, bool atomic)
{
struct inode *inode = file->f_mapping->host;
- struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
nid_t ino = inode->i_ino;
int ret = 0;
@@ -201,10 +200,10 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
trace_f2fs_sync_file_enter(inode);
/* if fdatasync is triggered, let's do in-place-update */
- if (get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks)
- set_inode_flag(fi, FI_NEED_IPU);
+ if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks)
+ set_inode_flag(inode, FI_NEED_IPU);
ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
- clear_inode_flag(fi, FI_NEED_IPU);
+ clear_inode_flag(inode, FI_NEED_IPU);
if (ret) {
trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret);
@@ -212,7 +211,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
}
/* if the inode is dirty, let's recover all the time */
- if (!datasync) {
+ if (!datasync && !f2fs_skip_inode_update(inode)) {
f2fs_write_inode(inode, NULL);
goto go_write;
}
@@ -220,29 +219,26 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
/*
* if there is no written data, don't waste time to write recovery info.
*/
- if (!is_inode_flag_set(fi, FI_APPEND_WRITE) &&
+ if (!is_inode_flag_set(inode, FI_APPEND_WRITE) &&
!exist_written_data(sbi, ino, APPEND_INO)) {
/* it may call write_inode just prior to fsync */
if (need_inode_page_update(sbi, ino))
goto go_write;
- if (is_inode_flag_set(fi, FI_UPDATE_WRITE) ||
+ if (is_inode_flag_set(inode, FI_UPDATE_WRITE) ||
exist_written_data(sbi, ino, UPDATE_INO))
goto flush_out;
goto out;
}
go_write:
- /* guarantee free sections for fsync */
- f2fs_balance_fs(sbi);
-
/*
* Both of fdatasync() and fsync() are able to be recovered from
* sudden-power-off.
*/
- down_read(&fi->i_sem);
+ down_read(&F2FS_I(inode)->i_sem);
need_cp = need_do_checkpoint(inode);
- up_read(&fi->i_sem);
+ up_read(&F2FS_I(inode)->i_sem);
if (need_cp) {
/* all the dirty node pages should be flushed for POR */
@@ -253,19 +249,23 @@ go_write:
* will be used only for fsynced inodes after checkpoint.
*/
try_to_fix_pino(inode);
- clear_inode_flag(fi, FI_APPEND_WRITE);
- clear_inode_flag(fi, FI_UPDATE_WRITE);
+ clear_inode_flag(inode, FI_APPEND_WRITE);
+ clear_inode_flag(inode, FI_UPDATE_WRITE);
goto out;
}
sync_nodes:
- sync_node_pages(sbi, ino, &wbc);
+ ret = fsync_node_pages(sbi, inode, &wbc, atomic);
+ if (ret)
+ goto out;
/* if cp_error was enabled, we should avoid infinite loop */
- if (unlikely(f2fs_cp_error(sbi)))
+ if (unlikely(f2fs_cp_error(sbi))) {
+ ret = -EIO;
goto out;
+ }
if (need_inode_block_update(sbi, ino)) {
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
f2fs_write_inode(inode, NULL);
goto sync_nodes;
}
@@ -275,18 +275,24 @@ sync_nodes:
goto out;
/* once recovery info is written, don't need to tack this */
- remove_dirty_inode(sbi, ino, APPEND_INO);
- clear_inode_flag(fi, FI_APPEND_WRITE);
+ remove_ino_entry(sbi, ino, APPEND_INO);
+ clear_inode_flag(inode, FI_APPEND_WRITE);
flush_out:
- remove_dirty_inode(sbi, ino, UPDATE_INO);
- clear_inode_flag(fi, FI_UPDATE_WRITE);
+ remove_ino_entry(sbi, ino, UPDATE_INO);
+ clear_inode_flag(inode, FI_UPDATE_WRITE);
ret = f2fs_issue_flush(sbi);
+ f2fs_update_time(sbi, REQ_TIME);
out:
trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret);
f2fs_trace_ios(NULL, 1);
return ret;
}
+int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+{
+ return f2fs_do_sync_file(file, start, end, datasync, false);
+}
+
static pgoff_t __get_first_dirty_index(struct address_space *mapping,
pgoff_t pgofs, int whence)
{
@@ -300,7 +306,7 @@ static pgoff_t __get_first_dirty_index(struct address_space *mapping,
pagevec_init(&pvec, 0);
nr_pages = pagevec_lookup_tag(&pvec, mapping, &pgofs,
PAGECACHE_TAG_DIRTY, 1);
- pgofs = nr_pages ? pvec.pages[0]->index : LONG_MAX;
+ pgofs = nr_pages ? pvec.pages[0]->index : ULONG_MAX;
pagevec_release(&pvec);
return pgofs;
}
@@ -332,7 +338,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
loff_t isize;
int err = 0;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
isize = i_size_read(inode);
if (offset >= isize)
@@ -345,32 +351,31 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
goto found;
}
- pgofs = (pgoff_t)(offset >> PAGE_CACHE_SHIFT);
+ pgofs = (pgoff_t)(offset >> PAGE_SHIFT);
dirty = __get_first_dirty_index(inode->i_mapping, pgofs, whence);
- for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) {
+ for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE_RA);
+ err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE);
if (err && err != -ENOENT) {
goto fail;
} else if (err == -ENOENT) {
/* direct node does not exists */
if (whence == SEEK_DATA) {
- pgofs = PGOFS_OF_NEXT_DNODE(pgofs,
- F2FS_I(inode));
+ pgofs = get_next_page_offset(&dn, pgofs);
continue;
} else {
goto found;
}
}
- end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
+ end_offset = ADDRS_PER_PAGE(dn.node_page, inode);
/* find data/hole in dnode block */
for (; dn.ofs_in_node < end_offset;
dn.ofs_in_node++, pgofs++,
- data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) {
+ data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
block_t blkaddr;
blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
@@ -387,10 +392,10 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
found:
if (whence == SEEK_HOLE && data_ofs > isize)
data_ofs = isize;
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return vfs_setpos(file, data_ofs, maxbytes);
fail:
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return -ENXIO;
}
@@ -418,19 +423,20 @@ static loff_t f2fs_llseek(struct file *file, loff_t offset, int whence)
static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
struct inode *inode = file_inode(file);
+ int err;
if (f2fs_encrypted_inode(inode)) {
- int err = f2fs_get_encryption_info(inode);
+ err = fscrypt_get_encryption_info(inode);
if (err)
return 0;
+ if (!f2fs_encrypted_inode(inode))
+ return -ENOKEY;
}
/* we don't need to use inline_data strictly */
- if (f2fs_has_inline_data(inode)) {
- int err = f2fs_convert_inline_inode(inode);
- if (err)
- return err;
- }
+ err = f2fs_convert_inline_inode(inode);
+ if (err)
+ return err;
file_accessed(file);
vma->vm_ops = &f2fs_file_vm_ops;
@@ -440,12 +446,22 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
static int f2fs_file_open(struct inode *inode, struct file *filp)
{
int ret = generic_file_open(inode, filp);
+ struct dentry *dir;
if (!ret && f2fs_encrypted_inode(inode)) {
- ret = f2fs_get_encryption_info(inode);
+ ret = fscrypt_get_encryption_info(inode);
if (ret)
- ret = -EACCES;
+ return -EACCES;
+ if (!fscrypt_has_encryption_key(inode))
+ return -ENOKEY;
}
+ dir = dget_parent(file_dentry(filp));
+ if (f2fs_encrypted_inode(d_inode(dir)) &&
+ !fscrypt_has_permitted_context(d_inode(dir), inode)) {
+ dput(dir);
+ return -EPERM;
+ }
+ dput(dir);
return ret;
}
@@ -468,8 +484,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
set_data_blkaddr(dn);
invalidate_blocks(sbi, blkaddr);
if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page))
- clear_inode_flag(F2FS_I(dn->inode),
- FI_FIRST_BLOCK_WRITTEN);
+ clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN);
nr_free++;
}
@@ -480,14 +495,13 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
* we will invalidate all blkaddr in the whole range.
*/
fofs = start_bidx_of_node(ofs_of_node(dn->node_page),
- F2FS_I(dn->inode)) + ofs;
+ dn->inode) + ofs;
f2fs_update_extent_cache_range(dn, fofs, 0, len);
dec_valid_block_count(sbi, dn->inode, nr_free);
- set_page_dirty(dn->node_page);
- sync_inode_page(dn);
}
dn->ofs_in_node = ofs;
+ f2fs_update_time(sbi, REQ_TIME);
trace_f2fs_truncate_data_blocks_range(dn->inode, dn->nid,
dn->ofs_in_node, nr_free);
return nr_free;
@@ -501,8 +515,8 @@ void truncate_data_blocks(struct dnode_of_data *dn)
static int truncate_partial_data_page(struct inode *inode, u64 from,
bool cache_only)
{
- unsigned offset = from & (PAGE_CACHE_SIZE - 1);
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE - 1);
+ pgoff_t index = from >> PAGE_SHIFT;
struct address_space *mapping = inode->i_mapping;
struct page *page;
@@ -510,7 +524,7 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
return 0;
if (cache_only) {
- page = f2fs_grab_cache_page(mapping, index, false);
+ page = find_lock_page(mapping, index);
if (page && PageUptodate(page))
goto truncate_out;
f2fs_put_page(page, 1);
@@ -521,9 +535,10 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
if (IS_ERR(page))
return 0;
truncate_out:
- f2fs_wait_on_page_writeback(page, DATA);
- zero_user(page, offset, PAGE_CACHE_SIZE - offset);
- if (!cache_only || !f2fs_encrypted_inode(inode) || !S_ISREG(inode->i_mode))
+ f2fs_wait_on_page_writeback(page, DATA, true);
+ zero_user(page, offset, PAGE_SIZE - offset);
+ if (!cache_only || !f2fs_encrypted_inode(inode) ||
+ !S_ISREG(inode->i_mode))
set_page_dirty(page);
f2fs_put_page(page, 1);
return 0;
@@ -543,6 +558,9 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
free_from = (pgoff_t)F2FS_BYTES_TO_BLK(from + blocksize - 1);
+ if (free_from >= sbi->max_file_blocks)
+ goto free_partial;
+
if (lock)
f2fs_lock_op(sbi);
@@ -561,14 +579,14 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
}
set_new_dnode(&dn, inode, ipage, NULL, 0);
- err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE);
+ err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE_RA);
if (err) {
if (err == -ENOENT)
goto free_next;
goto out;
}
- count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
+ count = ADDRS_PER_PAGE(dn.node_page, inode);
count -= dn.ofs_in_node;
f2fs_bug_on(sbi, count < 0);
@@ -584,7 +602,7 @@ free_next:
out:
if (lock)
f2fs_unlock_op(sbi);
-
+free_partial:
/* lastly zero out the first data page */
if (!err)
err = truncate_partial_data_page(inode, from, truncate_page);
@@ -593,7 +611,7 @@ out:
return err;
}
-int f2fs_truncate(struct inode *inode, bool lock)
+int f2fs_truncate(struct inode *inode)
{
int err;
@@ -604,18 +622,18 @@ int f2fs_truncate(struct inode *inode, bool lock)
trace_f2fs_truncate(inode);
/* we should check inline_data size */
- if (f2fs_has_inline_data(inode) && !f2fs_may_inline_data(inode)) {
+ if (!f2fs_may_inline_data(inode)) {
err = f2fs_convert_inline_inode(inode);
if (err)
return err;
}
- err = truncate_blocks(inode, i_size_read(inode), lock);
+ err = truncate_blocks(inode, i_size_read(inode), true);
if (err)
return err;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
- mark_inode_dirty(inode);
+ f2fs_mark_inode_dirty_sync(inode);
return 0;
}
@@ -631,7 +649,6 @@ int f2fs_getattr(struct vfsmount *mnt,
#ifdef CONFIG_F2FS_FS_POSIX_ACL
static void __setattr_copy(struct inode *inode, const struct iattr *attr)
{
- struct f2fs_inode_info *fi = F2FS_I(inode);
unsigned int ia_valid = attr->ia_valid;
if (ia_valid & ATTR_UID)
@@ -652,7 +669,7 @@ static void __setattr_copy(struct inode *inode, const struct iattr *attr)
if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
mode &= ~S_ISGID;
- set_acl_inode(fi, mode);
+ set_acl_inode(inode, mode);
}
}
#else
@@ -662,7 +679,6 @@ static void __setattr_copy(struct inode *inode, const struct iattr *attr)
int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
- struct f2fs_inode_info *fi = F2FS_I(inode);
int err;
err = inode_change_ok(inode, attr);
@@ -671,21 +687,28 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_valid & ATTR_SIZE) {
if (f2fs_encrypted_inode(inode) &&
- f2fs_get_encryption_info(inode))
+ fscrypt_get_encryption_info(inode))
return -EACCES;
if (attr->ia_size <= i_size_read(inode)) {
truncate_setsize(inode, attr->ia_size);
- err = f2fs_truncate(inode, true);
+ err = f2fs_truncate(inode);
if (err)
return err;
- f2fs_balance_fs(F2FS_I_SB(inode));
+ f2fs_balance_fs(F2FS_I_SB(inode), true);
} else {
/*
* do not trim all blocks after i_size if target size is
* larger than i_size.
*/
truncate_setsize(inode, attr->ia_size);
+
+ /* should convert inline inode here */
+ if (!f2fs_may_inline_data(inode)) {
+ err = f2fs_convert_inline_inode(inode);
+ if (err)
+ return err;
+ }
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
}
}
@@ -694,13 +717,13 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_valid & ATTR_MODE) {
err = posix_acl_chmod(inode, get_inode_mode(inode));
- if (err || is_inode_flag_set(fi, FI_ACL_MODE)) {
- inode->i_mode = fi->i_acl_mode;
- clear_inode_flag(fi, FI_ACL_MODE);
+ if (err || is_inode_flag_set(inode, FI_ACL_MODE)) {
+ inode->i_mode = F2FS_I(inode)->i_acl_mode;
+ clear_inode_flag(inode, FI_ACL_MODE);
}
}
- mark_inode_dirty(inode);
+ f2fs_mark_inode_dirty_sync(inode);
return err;
}
@@ -727,7 +750,7 @@ static int fill_zero(struct inode *inode, pgoff_t index,
if (!len)
return 0;
- f2fs_balance_fs(sbi);
+ f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
page = get_new_data_page(inode, NULL, index, false);
@@ -736,7 +759,7 @@ static int fill_zero(struct inode *inode, pgoff_t index,
if (IS_ERR(page))
return PTR_ERR(page);
- f2fs_wait_on_page_writeback(page, DATA);
+ f2fs_wait_on_page_writeback(page, DATA, true);
zero_user(page, start, len);
set_page_dirty(page);
f2fs_put_page(page, 1);
@@ -761,7 +784,7 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
return err;
}
- end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
+ end_offset = ADDRS_PER_PAGE(dn.node_page, inode);
count = min(end_offset - dn.ofs_in_node, pg_end - pg_start);
f2fs_bug_on(F2FS_I_SB(inode), count == 0 || count > end_offset);
@@ -778,19 +801,17 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
{
pgoff_t pg_start, pg_end;
loff_t off_start, off_end;
- int ret = 0;
+ int ret;
- if (f2fs_has_inline_data(inode)) {
- ret = f2fs_convert_inline_inode(inode);
- if (ret)
- return ret;
- }
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
if (pg_start == pg_end) {
ret = fill_zero(inode, pg_start, off_start,
@@ -800,7 +821,7 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
} else {
if (off_start) {
ret = fill_zero(inode, pg_start++, off_start,
- PAGE_CACHE_SIZE - off_start);
+ PAGE_SIZE - off_start);
if (ret)
return ret;
}
@@ -815,10 +836,10 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
loff_t blk_start, blk_end;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- f2fs_balance_fs(sbi);
+ f2fs_balance_fs(sbi, true);
- blk_start = (loff_t)pg_start << PAGE_CACHE_SHIFT;
- blk_end = (loff_t)pg_end << PAGE_CACHE_SHIFT;
+ blk_start = (loff_t)pg_start << PAGE_SHIFT;
+ blk_end = (loff_t)pg_end << PAGE_SHIFT;
truncate_inode_pages_range(mapping, blk_start,
blk_end - 1);
@@ -831,83 +852,199 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
return ret;
}
-static int __exchange_data_block(struct inode *inode, pgoff_t src,
- pgoff_t dst, bool full)
+static int __read_out_blkaddrs(struct inode *inode, block_t *blkaddr,
+ int *do_replace, pgoff_t off, pgoff_t len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct dnode_of_data dn;
- block_t new_addr;
- bool do_replace = false;
- int ret;
+ int ret, done, i;
+next_dnode:
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, src, LOOKUP_NODE_RA);
+ ret = get_dnode_of_data(&dn, off, LOOKUP_NODE_RA);
if (ret && ret != -ENOENT) {
return ret;
} else if (ret == -ENOENT) {
- new_addr = NULL_ADDR;
- } else {
- new_addr = dn.data_blkaddr;
- if (!is_checkpointed_data(sbi, new_addr)) {
- dn.data_blkaddr = NULL_ADDR;
+ if (dn.max_level == 0)
+ return -ENOENT;
+ done = min((pgoff_t)ADDRS_PER_BLOCK - dn.ofs_in_node, len);
+ blkaddr += done;
+ do_replace += done;
+ goto next;
+ }
+
+ done = min((pgoff_t)ADDRS_PER_PAGE(dn.node_page, inode) -
+ dn.ofs_in_node, len);
+ for (i = 0; i < done; i++, blkaddr++, do_replace++, dn.ofs_in_node++) {
+ *blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
+ if (!is_checkpointed_data(sbi, *blkaddr)) {
+
+ if (test_opt(sbi, LFS)) {
+ f2fs_put_dnode(&dn);
+ return -ENOTSUPP;
+ }
+
/* do not invalidate this block address */
- set_data_blkaddr(&dn);
- f2fs_update_extent_cache(&dn);
- do_replace = true;
+ f2fs_update_data_blkaddr(&dn, NULL_ADDR);
+ *do_replace = 1;
}
- f2fs_put_dnode(&dn);
}
+ f2fs_put_dnode(&dn);
+next:
+ len -= done;
+ off += done;
+ if (len)
+ goto next_dnode;
+ return 0;
+}
- if (new_addr == NULL_ADDR)
- return full ? truncate_hole(inode, dst, dst + 1) : 0;
+static int __roll_back_blkaddrs(struct inode *inode, block_t *blkaddr,
+ int *do_replace, pgoff_t off, int len)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct dnode_of_data dn;
+ int ret, i;
- if (do_replace) {
- struct page *ipage = get_node_page(sbi, inode->i_ino);
- struct node_info ni;
+ for (i = 0; i < len; i++, do_replace++, blkaddr++) {
+ if (*do_replace == 0)
+ continue;
- if (IS_ERR(ipage)) {
- ret = PTR_ERR(ipage);
- goto err_out;
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
+ ret = get_dnode_of_data(&dn, off + i, LOOKUP_NODE_RA);
+ if (ret) {
+ dec_valid_block_count(sbi, inode, 1);
+ invalidate_blocks(sbi, *blkaddr);
+ } else {
+ f2fs_update_data_blkaddr(&dn, *blkaddr);
+ }
+ f2fs_put_dnode(&dn);
+ }
+ return 0;
+}
+
+static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
+ block_t *blkaddr, int *do_replace,
+ pgoff_t src, pgoff_t dst, pgoff_t len, bool full)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(src_inode);
+ pgoff_t i = 0;
+ int ret;
+
+ while (i < len) {
+ if (blkaddr[i] == NULL_ADDR && !full) {
+ i++;
+ continue;
}
- set_new_dnode(&dn, inode, ipage, NULL, 0);
- ret = f2fs_reserve_block(&dn, dst);
- if (ret)
- goto err_out;
+ if (do_replace[i] || blkaddr[i] == NULL_ADDR) {
+ struct dnode_of_data dn;
+ struct node_info ni;
+ size_t new_size;
+ pgoff_t ilen;
- truncate_data_blocks_range(&dn, 1);
+ set_new_dnode(&dn, dst_inode, NULL, NULL, 0);
+ ret = get_dnode_of_data(&dn, dst + i, ALLOC_NODE);
+ if (ret)
+ return ret;
- get_node_info(sbi, dn.nid, &ni);
- f2fs_replace_block(sbi, &dn, dn.data_blkaddr, new_addr,
- ni.version, true);
- f2fs_put_dnode(&dn);
- } else {
- struct page *psrc, *pdst;
+ get_node_info(sbi, dn.nid, &ni);
+ ilen = min((pgoff_t)
+ ADDRS_PER_PAGE(dn.node_page, dst_inode) -
+ dn.ofs_in_node, len - i);
+ do {
+ dn.data_blkaddr = datablock_addr(dn.node_page,
+ dn.ofs_in_node);
+ truncate_data_blocks_range(&dn, 1);
+
+ if (do_replace[i]) {
+ f2fs_i_blocks_write(src_inode,
+ 1, false);
+ f2fs_i_blocks_write(dst_inode,
+ 1, true);
+ f2fs_replace_block(sbi, &dn, dn.data_blkaddr,
+ blkaddr[i], ni.version, true, false);
+
+ do_replace[i] = 0;
+ }
+ dn.ofs_in_node++;
+ i++;
+ new_size = (dst + i) << PAGE_SHIFT;
+ if (dst_inode->i_size < new_size)
+ f2fs_i_size_write(dst_inode, new_size);
+ } while ((do_replace[i] || blkaddr[i] == NULL_ADDR) && --ilen);
- psrc = get_lock_data_page(inode, src, true);
- if (IS_ERR(psrc))
- return PTR_ERR(psrc);
- pdst = get_new_data_page(inode, NULL, dst, false);
- if (IS_ERR(pdst)) {
+ f2fs_put_dnode(&dn);
+ } else {
+ struct page *psrc, *pdst;
+
+ psrc = get_lock_data_page(src_inode, src + i, true);
+ if (IS_ERR(psrc))
+ return PTR_ERR(psrc);
+ pdst = get_new_data_page(dst_inode, NULL, dst + i,
+ true);
+ if (IS_ERR(pdst)) {
+ f2fs_put_page(psrc, 1);
+ return PTR_ERR(pdst);
+ }
+ f2fs_copy_page(psrc, pdst);
+ set_page_dirty(pdst);
+ f2fs_put_page(pdst, 1);
f2fs_put_page(psrc, 1);
- return PTR_ERR(pdst);
- }
- f2fs_copy_page(psrc, pdst);
- set_page_dirty(pdst);
- f2fs_put_page(pdst, 1);
- f2fs_put_page(psrc, 1);
- return truncate_hole(inode, src, src + 1);
+ ret = truncate_hole(src_inode, src + i, src + i + 1);
+ if (ret)
+ return ret;
+ i++;
+ }
}
return 0;
+}
-err_out:
- if (!get_dnode_of_data(&dn, src, LOOKUP_NODE)) {
- dn.data_blkaddr = new_addr;
- set_data_blkaddr(&dn);
- f2fs_update_extent_cache(&dn);
- f2fs_put_dnode(&dn);
+static int __exchange_data_block(struct inode *src_inode,
+ struct inode *dst_inode, pgoff_t src, pgoff_t dst,
+ pgoff_t len, bool full)
+{
+ block_t *src_blkaddr;
+ int *do_replace;
+ pgoff_t olen;
+ int ret;
+
+ while (len) {
+ olen = min((pgoff_t)4 * ADDRS_PER_BLOCK, len);
+
+ src_blkaddr = f2fs_kvzalloc(sizeof(block_t) * olen, GFP_KERNEL);
+ if (!src_blkaddr)
+ return -ENOMEM;
+
+ do_replace = f2fs_kvzalloc(sizeof(int) * olen, GFP_KERNEL);
+ if (!do_replace) {
+ kvfree(src_blkaddr);
+ return -ENOMEM;
+ }
+
+ ret = __read_out_blkaddrs(src_inode, src_blkaddr,
+ do_replace, src, olen);
+ if (ret)
+ goto roll_back;
+
+ ret = __clone_blkaddrs(src_inode, dst_inode, src_blkaddr,
+ do_replace, src, dst, olen, full);
+ if (ret)
+ goto roll_back;
+
+ src += olen;
+ dst += olen;
+ len -= olen;
+
+ kvfree(src_blkaddr);
+ kvfree(do_replace);
}
+ return 0;
+
+roll_back:
+ __roll_back_blkaddrs(src_inode, src_blkaddr, do_replace, src, len);
+ kvfree(src_blkaddr);
+ kvfree(do_replace);
return ret;
}
@@ -915,16 +1052,15 @@ static int f2fs_do_collapse(struct inode *inode, pgoff_t start, pgoff_t end)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
pgoff_t nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
- int ret = 0;
+ int ret;
- for (; end < nrpages; start++, end++) {
- f2fs_balance_fs(sbi);
- f2fs_lock_op(sbi);
- ret = __exchange_data_block(inode, end, start, true);
- f2fs_unlock_op(sbi);
- if (ret)
- break;
- }
+ f2fs_balance_fs(sbi, true);
+ f2fs_lock_op(sbi);
+
+ f2fs_drop_extent_tree(inode);
+
+ ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true);
+ f2fs_unlock_op(sbi);
return ret;
}
@@ -941,16 +1077,12 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
if (offset & (F2FS_BLKSIZE - 1) || len & (F2FS_BLKSIZE - 1))
return -EINVAL;
- f2fs_balance_fs(F2FS_I_SB(inode));
-
- if (f2fs_has_inline_data(inode)) {
- ret = f2fs_convert_inline_inode(inode);
- if (ret)
- return ret;
- }
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
- pg_start = offset >> PAGE_CACHE_SHIFT;
- pg_end = (offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
+ pg_end = (offset + len) >> PAGE_SHIFT;
/* write out all dirty pages from offset */
ret = filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
@@ -972,7 +1104,50 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
ret = truncate_blocks(inode, new_size, true);
if (!ret)
- i_size_write(inode, new_size);
+ f2fs_i_size_write(inode, new_size);
+
+ return ret;
+}
+
+static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
+ pgoff_t end)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
+ pgoff_t index = start;
+ unsigned int ofs_in_node = dn->ofs_in_node;
+ blkcnt_t count = 0;
+ int ret;
+
+ for (; index < end; index++, dn->ofs_in_node++) {
+ if (datablock_addr(dn->node_page, dn->ofs_in_node) == NULL_ADDR)
+ count++;
+ }
+
+ dn->ofs_in_node = ofs_in_node;
+ ret = reserve_new_blocks(dn, count);
+ if (ret)
+ return ret;
+
+ dn->ofs_in_node = ofs_in_node;
+ for (index = start; index < end; index++, dn->ofs_in_node++) {
+ dn->data_blkaddr =
+ datablock_addr(dn->node_page, dn->ofs_in_node);
+ /*
+ * reserve_new_blocks will not guarantee entire block
+ * allocation.
+ */
+ if (dn->data_blkaddr == NULL_ADDR) {
+ ret = -ENOSPC;
+ break;
+ }
+ if (dn->data_blkaddr != NEW_ADDR) {
+ invalidate_blocks(sbi, dn->data_blkaddr);
+ dn->data_blkaddr = NEW_ADDR;
+ set_data_blkaddr(dn);
+ }
+ }
+
+ f2fs_update_extent_cache_range(dn, start, 0, index - start);
return ret;
}
@@ -991,13 +1166,9 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
if (ret)
return ret;
- f2fs_balance_fs(sbi);
-
- if (f2fs_has_inline_data(inode)) {
- ret = f2fs_convert_inline_inode(inode);
- if (ret)
- return ret;
- }
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
ret = filemap_write_and_wait_range(mapping, offset, offset + len - 1);
if (ret)
@@ -1005,11 +1176,11 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
truncate_pagecache_range(inode, offset, offset + len - 1);
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
if (pg_start == pg_end) {
ret = fill_zero(inode, pg_start, off_start,
@@ -1023,48 +1194,40 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
} else {
if (off_start) {
ret = fill_zero(inode, pg_start++, off_start,
- PAGE_CACHE_SIZE - off_start);
+ PAGE_SIZE - off_start);
if (ret)
return ret;
new_size = max_t(loff_t, new_size,
- (loff_t)pg_start << PAGE_CACHE_SHIFT);
+ (loff_t)pg_start << PAGE_SHIFT);
}
- for (index = pg_start; index < pg_end; index++) {
+ for (index = pg_start; index < pg_end;) {
struct dnode_of_data dn;
- struct page *ipage;
+ unsigned int end_offset;
+ pgoff_t end;
f2fs_lock_op(sbi);
- ipage = get_node_page(sbi, inode->i_ino);
- if (IS_ERR(ipage)) {
- ret = PTR_ERR(ipage);
- f2fs_unlock_op(sbi);
- goto out;
- }
-
- set_new_dnode(&dn, inode, ipage, NULL, 0);
- ret = f2fs_reserve_block(&dn, index);
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
+ ret = get_dnode_of_data(&dn, index, ALLOC_NODE);
if (ret) {
f2fs_unlock_op(sbi);
goto out;
}
- if (dn.data_blkaddr != NEW_ADDR) {
- invalidate_blocks(sbi, dn.data_blkaddr);
-
- dn.data_blkaddr = NEW_ADDR;
- set_data_blkaddr(&dn);
+ end_offset = ADDRS_PER_PAGE(dn.node_page, inode);
+ end = min(pg_end, end_offset - dn.ofs_in_node + index);
- dn.data_blkaddr = NULL_ADDR;
- f2fs_update_extent_cache(&dn);
- }
+ ret = f2fs_do_zero_range(&dn, index, end);
f2fs_put_dnode(&dn);
f2fs_unlock_op(sbi);
+ if (ret)
+ goto out;
+ index = end;
new_size = max_t(loff_t, new_size,
- (loff_t)(index + 1) << PAGE_CACHE_SHIFT);
+ (loff_t)index << PAGE_SHIFT);
}
if (off_end) {
@@ -1077,11 +1240,8 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
}
out:
- if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size) {
- i_size_write(inode, new_size);
- mark_inode_dirty(inode);
- update_inode_page(inode);
- }
+ if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size)
+ f2fs_i_size_write(inode, new_size);
return ret;
}
@@ -1089,7 +1249,7 @@ out:
static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- pgoff_t pg_start, pg_end, delta, nrpages, idx;
+ pgoff_t nr, pg_start, pg_end, delta, idx;
loff_t new_size;
int ret = 0;
@@ -1104,13 +1264,11 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
if (offset & (F2FS_BLKSIZE - 1) || len & (F2FS_BLKSIZE - 1))
return -EINVAL;
- f2fs_balance_fs(sbi);
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
- if (f2fs_has_inline_data(inode)) {
- ret = f2fs_convert_inline_inode(inode);
- if (ret)
- return ret;
- }
+ f2fs_balance_fs(sbi, true);
ret = truncate_blocks(inode, i_size_read(inode), true);
if (ret)
@@ -1123,17 +1281,23 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
truncate_pagecache(inode, offset);
- pg_start = offset >> PAGE_CACHE_SHIFT;
- pg_end = (offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
+ pg_end = (offset + len) >> PAGE_SHIFT;
delta = pg_end - pg_start;
- nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
+ idx = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
+
+ while (!ret && idx > pg_start) {
+ nr = idx - pg_start;
+ if (nr > delta)
+ nr = delta;
+ idx -= nr;
- for (idx = nrpages - 1; idx >= pg_start && idx != -1; idx--) {
f2fs_lock_op(sbi);
- ret = __exchange_data_block(inode, idx, idx + delta, false);
+ f2fs_drop_extent_tree(inode);
+
+ ret = __exchange_data_block(inode, inode, idx,
+ idx + delta, nr, false);
f2fs_unlock_op(sbi);
- if (ret)
- break;
}
/* write out all moved pages, if possible */
@@ -1141,7 +1305,7 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
truncate_pagecache(inode, offset);
if (!ret)
- i_size_write(inode, new_size);
+ f2fs_i_size_write(inode, new_size);
return ret;
}
@@ -1149,60 +1313,48 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
loff_t len, int mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- pgoff_t index, pg_start, pg_end;
+ struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
+ pgoff_t pg_end;
loff_t new_size = i_size_read(inode);
- loff_t off_start, off_end;
- int ret = 0;
-
- f2fs_balance_fs(sbi);
+ loff_t off_end;
+ int ret;
ret = inode_newsize_ok(inode, (len + offset));
if (ret)
return ret;
- if (f2fs_has_inline_data(inode)) {
- ret = f2fs_convert_inline_inode(inode);
- if (ret)
- return ret;
- }
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ f2fs_balance_fs(sbi, true);
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ pg_end = ((unsigned long long)offset + len) >> PAGE_SHIFT;
+ off_end = (offset + len) & (PAGE_SIZE - 1);
- f2fs_lock_op(sbi);
+ map.m_lblk = ((unsigned long long)offset) >> PAGE_SHIFT;
+ map.m_len = pg_end - map.m_lblk;
+ if (off_end)
+ map.m_len++;
- for (index = pg_start; index <= pg_end; index++) {
- struct dnode_of_data dn;
+ ret = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_AIO);
+ if (ret) {
+ pgoff_t last_off;
+
+ if (!map.m_len)
+ return ret;
- if (index == pg_end && !off_end)
- goto noalloc;
+ last_off = map.m_lblk + map.m_len - 1;
- set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = f2fs_reserve_block(&dn, index);
- if (ret)
- break;
-noalloc:
- if (pg_start == pg_end)
- new_size = offset + len;
- else if (index == pg_start && off_start)
- new_size = (loff_t)(index + 1) << PAGE_CACHE_SHIFT;
- else if (index == pg_end)
- new_size = ((loff_t)index << PAGE_CACHE_SHIFT) +
- off_end;
- else
- new_size += PAGE_CACHE_SIZE;
+ /* update new size to the failed position */
+ new_size = (last_off == pg_end) ? offset + len:
+ (loff_t)(last_off + 1) << PAGE_SHIFT;
+ } else {
+ new_size = ((loff_t)pg_end << PAGE_SHIFT) + off_end;
}
- if (!(mode & FALLOC_FL_KEEP_SIZE) &&
- i_size_read(inode) < new_size) {
- i_size_write(inode, new_size);
- mark_inode_dirty(inode);
- update_inode_page(inode);
- }
- f2fs_unlock_op(sbi);
+ if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size)
+ f2fs_i_size_write(inode, new_size);
return ret;
}
@@ -1226,7 +1378,7 @@ static long f2fs_fallocate(struct file *file, int mode,
FALLOC_FL_INSERT_RANGE))
return -EOPNOTSUPP;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
if (mode & FALLOC_FL_PUNCH_HOLE) {
if (offset >= inode->i_size)
@@ -1245,11 +1397,12 @@ static long f2fs_fallocate(struct file *file, int mode,
if (!ret) {
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
- mark_inode_dirty(inode);
+ f2fs_mark_inode_dirty_sync(inode);
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
}
out:
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
trace_f2fs_fallocate(inode, mode, offset, len, ret);
return ret;
@@ -1257,13 +1410,22 @@ out:
static int f2fs_release_file(struct inode *inode, struct file *filp)
{
+ /*
+ * f2fs_relase_file is called at every close calls. So we should
+ * not drop any inmemory pages by close called by other process.
+ */
+ if (!(filp->f_mode & FMODE_WRITE) ||
+ atomic_read(&inode->i_writecount) != 1)
+ return 0;
+
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- commit_inmem_pages(inode, true);
+ drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
- set_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
+ clear_inode_flag(inode, FI_VOLATILE_FILE);
+ set_inode_flag(inode, FI_DROP_CACHE);
filemap_fdatawrite(inode->i_mapping);
- clear_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
+ clear_inode_flag(inode, FI_DROP_CACHE);
}
return 0;
}
@@ -1293,33 +1455,29 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
struct f2fs_inode_info *fi = F2FS_I(inode);
- unsigned int flags = fi->i_flags & FS_FL_USER_VISIBLE;
+ unsigned int flags;
unsigned int oldflags;
int ret;
+ if (!inode_owner_or_capable(inode))
+ return -EACCES;
+
+ if (get_user(flags, (int __user *)arg))
+ return -EFAULT;
+
ret = mnt_want_write_file(filp);
if (ret)
return ret;
- if (!inode_owner_or_capable(inode)) {
- ret = -EACCES;
- goto out;
- }
-
- if (get_user(flags, (int __user *)arg)) {
- ret = -EFAULT;
- goto out;
- }
-
flags = f2fs_mask_flags(inode->i_mode, flags);
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
oldflags = fi->i_flags;
if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
if (!capable(CAP_LINUX_IMMUTABLE)) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
ret = -EPERM;
goto out;
}
@@ -1328,11 +1486,10 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
flags = flags & FS_FL_USER_MODIFIABLE;
flags |= oldflags & ~FS_FL_USER_MODIFIABLE;
fi->i_flags = flags;
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
- f2fs_set_inode_flags(inode);
inode->i_ctime = CURRENT_TIME;
- mark_inode_dirty(inode);
+ f2fs_set_inode_flags(inode);
out:
mnt_drop_write_file(filp);
return ret;
@@ -1353,17 +1510,35 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
if (!inode_owner_or_capable(inode))
return -EACCES;
- f2fs_balance_fs(F2FS_I_SB(inode));
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
+ inode_lock(inode);
if (f2fs_is_atomic_file(inode))
- return 0;
+ goto out;
ret = f2fs_convert_inline_inode(inode);
if (ret)
- return ret;
+ goto out;
- set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
- return 0;
+ set_inode_flag(inode, FI_ATOMIC_FILE);
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
+
+ if (!get_dirty_pages(inode))
+ goto out;
+
+ f2fs_msg(F2FS_I_SB(inode)->sb, KERN_WARNING,
+ "Unexpected flush for atomic writes: ino=%lu, npages=%lld",
+ inode->i_ino, get_dirty_pages(inode));
+ ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
+ if (ret)
+ clear_inode_flag(inode, FI_ATOMIC_FILE);
+out:
+ inode_unlock(inode);
+ mnt_drop_write_file(filp);
+ return ret;
}
static int f2fs_ioc_commit_atomic_write(struct file *filp)
@@ -1374,22 +1549,27 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
if (!inode_owner_or_capable(inode))
return -EACCES;
- if (f2fs_is_volatile_file(inode))
- return 0;
-
ret = mnt_want_write_file(filp);
if (ret)
return ret;
+ inode_lock(inode);
+
+ if (f2fs_is_volatile_file(inode))
+ goto err_out;
+
if (f2fs_is_atomic_file(inode)) {
- clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
- ret = commit_inmem_pages(inode, false);
- if (ret)
+ clear_inode_flag(inode, FI_ATOMIC_FILE);
+ ret = commit_inmem_pages(inode);
+ if (ret) {
+ set_inode_flag(inode, FI_ATOMIC_FILE);
goto err_out;
+ }
}
- ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0);
+ ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
err_out:
+ inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
}
@@ -1402,31 +1582,54 @@ static int f2fs_ioc_start_volatile_write(struct file *filp)
if (!inode_owner_or_capable(inode))
return -EACCES;
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
+ inode_lock(inode);
+
if (f2fs_is_volatile_file(inode))
- return 0;
+ goto out;
ret = f2fs_convert_inline_inode(inode);
if (ret)
- return ret;
+ goto out;
- set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
- return 0;
+ set_inode_flag(inode, FI_VOLATILE_FILE);
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
+out:
+ inode_unlock(inode);
+ mnt_drop_write_file(filp);
+ return ret;
}
static int f2fs_ioc_release_volatile_write(struct file *filp)
{
struct inode *inode = file_inode(filp);
+ int ret;
if (!inode_owner_or_capable(inode))
return -EACCES;
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
+ inode_lock(inode);
+
if (!f2fs_is_volatile_file(inode))
- return 0;
+ goto out;
- if (!f2fs_is_first_block_written(inode))
- return truncate_partial_data_page(inode, 0, true);
+ if (!f2fs_is_first_block_written(inode)) {
+ ret = truncate_partial_data_page(inode, 0, true);
+ goto out;
+ }
- return punch_hole(inode, 0, F2FS_BLKSIZE);
+ ret = punch_hole(inode, 0, F2FS_BLKSIZE);
+out:
+ inode_unlock(inode);
+ mnt_drop_write_file(filp);
+ return ret;
}
static int f2fs_ioc_abort_volatile_write(struct file *filp)
@@ -1441,13 +1644,19 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp)
if (ret)
return ret;
- f2fs_balance_fs(F2FS_I_SB(inode));
+ inode_lock(inode);
- clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
- clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
- commit_inmem_pages(inode, true);
+ if (f2fs_is_atomic_file(inode))
+ drop_inmem_pages(inode);
+ if (f2fs_is_volatile_file(inode)) {
+ clear_inode_flag(inode, FI_VOLATILE_FILE);
+ ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
+ }
+
+ inode_unlock(inode);
mnt_drop_write_file(filp);
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return ret;
}
@@ -1457,6 +1666,7 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct super_block *sb = sbi->sb;
__u32 in;
+ int ret;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -1464,30 +1674,38 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
if (get_user(in, (__u32 __user *)arg))
return -EFAULT;
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
switch (in) {
case F2FS_GOING_DOWN_FULLSYNC:
sb = freeze_bdev(sb->s_bdev);
if (sb && !IS_ERR(sb)) {
- f2fs_stop_checkpoint(sbi);
+ f2fs_stop_checkpoint(sbi, false);
thaw_bdev(sb->s_bdev, sb);
}
break;
case F2FS_GOING_DOWN_METASYNC:
/* do checkpoint only */
f2fs_sync_fs(sb, 1);
- f2fs_stop_checkpoint(sbi);
+ f2fs_stop_checkpoint(sbi, false);
break;
case F2FS_GOING_DOWN_NOSYNC:
- f2fs_stop_checkpoint(sbi);
+ f2fs_stop_checkpoint(sbi, false);
break;
case F2FS_GOING_DOWN_METAFLUSH:
sync_meta_pages(sbi, META, LONG_MAX);
- f2fs_stop_checkpoint(sbi);
+ f2fs_stop_checkpoint(sbi, false);
break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
- return 0;
+ f2fs_update_time(sbi, REQ_TIME);
+out:
+ mnt_drop_write_file(filp);
+ return ret;
}
static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)
@@ -1508,15 +1726,21 @@ static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)
sizeof(range)))
return -EFAULT;
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
range.minlen = max((unsigned int)range.minlen,
q->limits.discard_granularity);
ret = f2fs_trim_fs(F2FS_SB(sb), &range);
+ mnt_drop_write_file(filp);
if (ret < 0)
return ret;
if (copy_to_user((struct fstrim_range __user *)arg, &range,
sizeof(range)))
return -EFAULT;
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return 0;
}
@@ -1532,45 +1756,31 @@ static bool uuid_is_nonzero(__u8 u[16])
static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
{
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
- struct f2fs_encryption_policy policy;
+ struct fscrypt_policy policy;
struct inode *inode = file_inode(filp);
- int err;
- if (copy_from_user(&policy, (struct f2fs_encryption_policy __user *)arg,
- sizeof(policy)))
+ if (copy_from_user(&policy, (struct fscrypt_policy __user *)arg,
+ sizeof(policy)))
return -EFAULT;
- mutex_lock(&inode->i_mutex);
-
- err = f2fs_process_policy(&policy, inode);
-
- mutex_unlock(&inode->i_mutex);
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
- return err;
-#else
- return -EOPNOTSUPP;
-#endif
+ return fscrypt_process_policy(filp, &policy);
}
static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
{
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
- struct f2fs_encryption_policy policy;
+ struct fscrypt_policy policy;
struct inode *inode = file_inode(filp);
int err;
- err = f2fs_get_policy(inode, &policy);
+ err = fscrypt_get_policy(inode, &policy);
if (err)
return err;
- if (copy_to_user((struct f2fs_encryption_policy __user *)arg, &policy,
- sizeof(policy)))
+ if (copy_to_user((struct fscrypt_policy __user *)arg, &policy, sizeof(policy)))
return -EFAULT;
return 0;
-#else
- return -EOPNOTSUPP;
-#endif
}
static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)
@@ -1593,13 +1803,13 @@ static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)
generate_random_uuid(sbi->raw_super->encrypt_pw_salt);
err = f2fs_commit_super(sbi, false);
-
- mnt_drop_write_file(filp);
if (err) {
/* undo new data */
memset(sbi->raw_super->encrypt_pw_salt, 0, 16);
+ mnt_drop_write_file(filp);
return err;
}
+ mnt_drop_write_file(filp);
got_it:
if (copy_to_user((__u8 __user *)arg, sbi->raw_super->encrypt_pw_salt,
16))
@@ -1612,6 +1822,7 @@ static int f2fs_ioc_gc(struct file *filp, unsigned long arg)
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
__u32 sync;
+ int ret;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -1622,21 +1833,30 @@ static int f2fs_ioc_gc(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
if (!sync) {
- if (!mutex_trylock(&sbi->gc_mutex))
- return -EBUSY;
+ if (!mutex_trylock(&sbi->gc_mutex)) {
+ ret = -EBUSY;
+ goto out;
+ }
} else {
mutex_lock(&sbi->gc_mutex);
}
- return f2fs_gc(sbi, sync);
+ ret = f2fs_gc(sbi, sync);
+out:
+ mnt_drop_write_file(filp);
+ return ret;
}
static int f2fs_ioc_write_checkpoint(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct cp_control cpc;
+ int ret;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -1644,13 +1864,343 @@ static int f2fs_ioc_write_checkpoint(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
- cpc.reason = __get_cp_reason(sbi);
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
- mutex_lock(&sbi->gc_mutex);
- write_checkpoint(sbi, &cpc);
- mutex_unlock(&sbi->gc_mutex);
+ ret = f2fs_sync_fs(sbi->sb, 1);
- return 0;
+ mnt_drop_write_file(filp);
+ return ret;
+}
+
+static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
+ struct file *filp,
+ struct f2fs_defragment *range)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
+ struct extent_info ei;
+ pgoff_t pg_start, pg_end;
+ unsigned int blk_per_seg = sbi->blocks_per_seg;
+ unsigned int total = 0, sec_num;
+ unsigned int pages_per_sec = sbi->segs_per_sec * blk_per_seg;
+ block_t blk_end = 0;
+ bool fragmented = false;
+ int err;
+
+ /* if in-place-update policy is enabled, don't waste time here */
+ if (need_inplace_update(inode))
+ return -EINVAL;
+
+ pg_start = range->start >> PAGE_SHIFT;
+ pg_end = (range->start + range->len) >> PAGE_SHIFT;
+
+ f2fs_balance_fs(sbi, true);
+
+ inode_lock(inode);
+
+ /* writeback all dirty pages in the range */
+ err = filemap_write_and_wait_range(inode->i_mapping, range->start,
+ range->start + range->len - 1);
+ if (err)
+ goto out;
+
+ /*
+ * lookup mapping info in extent cache, skip defragmenting if physical
+ * block addresses are continuous.
+ */
+ if (f2fs_lookup_extent_cache(inode, pg_start, &ei)) {
+ if (ei.fofs + ei.len >= pg_end)
+ goto out;
+ }
+
+ map.m_lblk = pg_start;
+
+ /*
+ * lookup mapping info in dnode page cache, skip defragmenting if all
+ * physical block addresses are continuous even if there are hole(s)
+ * in logical blocks.
+ */
+ while (map.m_lblk < pg_end) {
+ map.m_len = pg_end - map.m_lblk;
+ err = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_READ);
+ if (err)
+ goto out;
+
+ if (!(map.m_flags & F2FS_MAP_FLAGS)) {
+ map.m_lblk++;
+ continue;
+ }
+
+ if (blk_end && blk_end != map.m_pblk) {
+ fragmented = true;
+ break;
+ }
+ blk_end = map.m_pblk + map.m_len;
+
+ map.m_lblk += map.m_len;
+ }
+
+ if (!fragmented)
+ goto out;
+
+ map.m_lblk = pg_start;
+ map.m_len = pg_end - pg_start;
+
+ sec_num = (map.m_len + pages_per_sec - 1) / pages_per_sec;
+
+ /*
+ * make sure there are enough free section for LFS allocation, this can
+ * avoid defragment running in SSR mode when free section are allocated
+ * intensively
+ */
+ if (has_not_enough_free_secs(sbi, 0, sec_num)) {
+ err = -EAGAIN;
+ goto out;
+ }
+
+ while (map.m_lblk < pg_end) {
+ pgoff_t idx;
+ int cnt = 0;
+
+do_map:
+ map.m_len = pg_end - map.m_lblk;
+ err = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_READ);
+ if (err)
+ goto clear_out;
+
+ if (!(map.m_flags & F2FS_MAP_FLAGS)) {
+ map.m_lblk++;
+ continue;
+ }
+
+ set_inode_flag(inode, FI_DO_DEFRAG);
+
+ idx = map.m_lblk;
+ while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
+ struct page *page;
+
+ page = get_lock_data_page(inode, idx, true);
+ if (IS_ERR(page)) {
+ err = PTR_ERR(page);
+ goto clear_out;
+ }
+
+ set_page_dirty(page);
+ f2fs_put_page(page, 1);
+
+ idx++;
+ cnt++;
+ total++;
+ }
+
+ map.m_lblk = idx;
+
+ if (idx < pg_end && cnt < blk_per_seg)
+ goto do_map;
+
+ clear_inode_flag(inode, FI_DO_DEFRAG);
+
+ err = filemap_fdatawrite(inode->i_mapping);
+ if (err)
+ goto out;
+ }
+clear_out:
+ clear_inode_flag(inode, FI_DO_DEFRAG);
+out:
+ inode_unlock(inode);
+ if (!err)
+ range->len = (u64)total << PAGE_SHIFT;
+ return err;
+}
+
+static int f2fs_ioc_defragment(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct f2fs_defragment range;
+ int err;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (!S_ISREG(inode->i_mode))
+ return -EINVAL;
+
+ err = mnt_want_write_file(filp);
+ if (err)
+ return err;
+
+ if (f2fs_readonly(sbi->sb)) {
+ err = -EROFS;
+ goto out;
+ }
+
+ if (copy_from_user(&range, (struct f2fs_defragment __user *)arg,
+ sizeof(range))) {
+ err = -EFAULT;
+ goto out;
+ }
+
+ /* verify alignment of offset & size */
+ if (range.start & (F2FS_BLKSIZE - 1) ||
+ range.len & (F2FS_BLKSIZE - 1)) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ err = f2fs_defragment_range(sbi, filp, &range);
+ f2fs_update_time(sbi, REQ_TIME);
+ if (err < 0)
+ goto out;
+
+ if (copy_to_user((struct f2fs_defragment __user *)arg, &range,
+ sizeof(range)))
+ err = -EFAULT;
+out:
+ mnt_drop_write_file(filp);
+ return err;
+}
+
+static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out, size_t len)
+{
+ struct inode *src = file_inode(file_in);
+ struct inode *dst = file_inode(file_out);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(src);
+ size_t olen = len, dst_max_i_size = 0;
+ size_t dst_osize;
+ int ret;
+
+ if (file_in->f_path.mnt != file_out->f_path.mnt ||
+ src->i_sb != dst->i_sb)
+ return -EXDEV;
+
+ if (unlikely(f2fs_readonly(src->i_sb)))
+ return -EROFS;
+
+ if (!S_ISREG(src->i_mode) || !S_ISREG(dst->i_mode))
+ return -EINVAL;
+
+ if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst))
+ return -EOPNOTSUPP;
+
+ if (src == dst) {
+ if (pos_in == pos_out)
+ return 0;
+ if (pos_out > pos_in && pos_out < pos_in + len)
+ return -EINVAL;
+ }
+
+ inode_lock(src);
+ if (src != dst) {
+ if (!inode_trylock(dst)) {
+ ret = -EBUSY;
+ goto out;
+ }
+ }
+
+ ret = -EINVAL;
+ if (pos_in + len > src->i_size || pos_in + len < pos_in)
+ goto out_unlock;
+ if (len == 0)
+ olen = len = src->i_size - pos_in;
+ if (pos_in + len == src->i_size)
+ len = ALIGN(src->i_size, F2FS_BLKSIZE) - pos_in;
+ if (len == 0) {
+ ret = 0;
+ goto out_unlock;
+ }
+
+ dst_osize = dst->i_size;
+ if (pos_out + olen > dst->i_size)
+ dst_max_i_size = pos_out + olen;
+
+ /* verify the end result is block aligned */
+ if (!IS_ALIGNED(pos_in, F2FS_BLKSIZE) ||
+ !IS_ALIGNED(pos_in + len, F2FS_BLKSIZE) ||
+ !IS_ALIGNED(pos_out, F2FS_BLKSIZE))
+ goto out_unlock;
+
+ ret = f2fs_convert_inline_inode(src);
+ if (ret)
+ goto out_unlock;
+
+ ret = f2fs_convert_inline_inode(dst);
+ if (ret)
+ goto out_unlock;
+
+ /* write out all dirty pages from offset */
+ ret = filemap_write_and_wait_range(src->i_mapping,
+ pos_in, pos_in + len);
+ if (ret)
+ goto out_unlock;
+
+ ret = filemap_write_and_wait_range(dst->i_mapping,
+ pos_out, pos_out + len);
+ if (ret)
+ goto out_unlock;
+
+ f2fs_balance_fs(sbi, true);
+ f2fs_lock_op(sbi);
+ ret = __exchange_data_block(src, dst, pos_in >> F2FS_BLKSIZE_BITS,
+ pos_out >> F2FS_BLKSIZE_BITS,
+ len >> F2FS_BLKSIZE_BITS, false);
+
+ if (!ret) {
+ if (dst_max_i_size)
+ f2fs_i_size_write(dst, dst_max_i_size);
+ else if (dst_osize != dst->i_size)
+ f2fs_i_size_write(dst, dst_osize);
+ }
+ f2fs_unlock_op(sbi);
+out_unlock:
+ if (src != dst)
+ inode_unlock(dst);
+out:
+ inode_unlock(src);
+ return ret;
+}
+
+static int f2fs_ioc_move_range(struct file *filp, unsigned long arg)
+{
+ struct f2fs_move_range range;
+ struct fd dst;
+ int err;
+
+ if (!(filp->f_mode & FMODE_READ) ||
+ !(filp->f_mode & FMODE_WRITE))
+ return -EBADF;
+
+ if (copy_from_user(&range, (struct f2fs_move_range __user *)arg,
+ sizeof(range)))
+ return -EFAULT;
+
+ dst = fdget(range.dst_fd);
+ if (!dst.file)
+ return -EBADF;
+
+ if (!(dst.file->f_mode & FMODE_WRITE)) {
+ err = -EBADF;
+ goto err_out;
+ }
+
+ err = mnt_want_write_file(filp);
+ if (err)
+ goto err_out;
+
+ err = f2fs_move_file_range(filp, range.pos_in, dst.file,
+ range.pos_out, range.len);
+
+ mnt_drop_write_file(filp);
+
+ if (copy_to_user((struct f2fs_move_range __user *)arg,
+ &range, sizeof(range)))
+ err = -EFAULT;
+err_out:
+ fdput(dst);
+ return err;
}
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
@@ -1686,6 +2236,10 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_ioc_gc(filp, arg);
case F2FS_IOC_WRITE_CHECKPOINT:
return f2fs_ioc_write_checkpoint(filp, arg);
+ case F2FS_IOC_DEFRAGMENT:
+ return f2fs_ioc_defragment(filp, arg);
+ case F2FS_IOC_MOVE_RANGE:
+ return f2fs_ioc_move_range(filp, arg);
default:
return -ENOTTY;
}
@@ -1693,14 +2247,36 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
- struct inode *inode = file_inode(iocb->ki_filp);
+ struct file *file = iocb->ki_filp;
+ struct inode *inode = file_inode(file);
+ struct blk_plug plug;
+ ssize_t ret;
if (f2fs_encrypted_inode(inode) &&
- !f2fs_has_encryption_key(inode) &&
- f2fs_get_encryption_info(inode))
+ !fscrypt_has_encryption_key(inode) &&
+ fscrypt_get_encryption_info(inode))
return -EACCES;
- return generic_file_write_iter(iocb, from);
+ inode_lock(inode);
+ ret = generic_write_checks(iocb, from);
+ if (ret > 0) {
+ ret = f2fs_preallocate_blocks(iocb, from);
+ if (!ret) {
+ blk_start_plug(&plug);
+ ret = __generic_file_write_iter(iocb, from);
+ blk_finish_plug(&plug);
+ }
+ }
+ inode_unlock(inode);
+
+ if (ret > 0) {
+ ssize_t err;
+
+ err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ if (err < 0)
+ ret = err;
+ }
+ return ret;
}
#ifdef CONFIG_COMPAT
@@ -1713,6 +2289,24 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case F2FS_IOC32_SETFLAGS:
cmd = F2FS_IOC_SETFLAGS;
break;
+ case F2FS_IOC32_GETVERSION:
+ cmd = F2FS_IOC_GETVERSION;
+ break;
+ case F2FS_IOC_START_ATOMIC_WRITE:
+ case F2FS_IOC_COMMIT_ATOMIC_WRITE:
+ case F2FS_IOC_START_VOLATILE_WRITE:
+ case F2FS_IOC_RELEASE_VOLATILE_WRITE:
+ case F2FS_IOC_ABORT_VOLATILE_WRITE:
+ case F2FS_IOC_SHUTDOWN:
+ case F2FS_IOC_SET_ENCRYPTION_POLICY:
+ case F2FS_IOC_GET_ENCRYPTION_PWSALT:
+ case F2FS_IOC_GET_ENCRYPTION_POLICY:
+ case F2FS_IOC_GARBAGE_COLLECT:
+ case F2FS_IOC_WRITE_CHECKPOINT:
+ case F2FS_IOC_DEFRAGMENT:
+ break;
+ case F2FS_IOC_MOVE_RANGE:
+ break;
default:
return -ENOIOCTLCMD;
}