| Commit message (Collapse) | Author | Age |
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commit 9a04dbcfb33b4012d0ce8c0282f1e3ca694675b1 upstream.
The motivation for commit abb2ea7dfd82 ("compiler, clang: suppress
warning for unused static inline functions") was to suppress clang's
warnings about unused static inline functions.
For configs without CONFIG_OPTIMIZE_INLINING enabled, such as any non-x86
architecture, `inline' in the kernel implies that
__attribute__((always_inline)) is used.
Some code depends on that behavior, see
https://lkml.org/lkml/2017/6/13/918:
net/built-in.o: In function `__xchg_mb':
arch/arm64/include/asm/cmpxchg.h:99: undefined reference to `__compiletime_assert_99'
arch/arm64/include/asm/cmpxchg.h:99: undefined reference to `__compiletime_assert_99
The full fix would be to identify these breakages and annotate the
functions with __always_inline instead of `inline'. But since we are
late in the 4.12-rc cycle, simply carry forward the forced inlining
behavior and work toward moving arm64, and other architectures, toward
CONFIG_OPTIMIZE_INLINING behavior.
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1706261552200.1075@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Reported-by: Sodagudi Prasad <psodagud@codeaurora.org>
Tested-by: Sodagudi Prasad <psodagud@codeaurora.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6d53cefb18e4646fb4bf62ccb6098fb3808486df upstream.
Commit abb2ea7dfd82 ("compiler, clang: suppress warning for unused
static inline functions") just caused more warnings due to re-defining
the 'inline' macro.
So undef it before re-defining it, and also add the 'notrace' attribute
like the gcc version that this is overriding does.
Maybe this makes clang happier.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit abb2ea7dfd82451d85ce669b811310c05ab5ca46 upstream.
GCC explicitly does not warn for unused static inline functions for
-Wunused-function. The manual states:
Warn whenever a static function is declared but not defined or
a non-inline static function is unused.
Clang does warn for static inline functions that are unused.
It turns out that suppressing the warnings avoids potentially complex
#ifdef directives, which also reduces LOC.
Suppress the warning for clang.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-8ec9fd8
ANDROID: sdcardfs: Check stacked filesystem depth
Fix backport of "tcp: detect malicious patterns in tcp_collapse_ofo_queue()"
tcp: detect malicious patterns in tcp_collapse_ofo_queue()
tcp: avoid collapses in tcp_prune_queue() if possible
x86_64_cuttlefish_defconfig: Enable android-verity
x86_64_cuttlefish_defconfig: enable verity cert
Linux 4.4.142
perf tools: Move syscall number fallbacks from perf-sys.h to tools/arch/x86/include/asm/
x86/cpu: Probe CPUID leaf 6 even when cpuid_level == 6
Kbuild: fix # escaping in .cmd files for future Make
ANDROID: Fix massive cpufreq_times memory leaks
ANDROID: Reduce use of #ifdef CONFIG_CPU_FREQ_TIMES
UPSTREAM: binder: replace "%p" with "%pK"
UPSTREAM: binder: free memory on error
UPSTREAM: binder: fix proc->files use-after-free
UPSTREAM: Revert "FROMLIST: binder: fix proc->files use-after-free"
UPSTREAM: ANDROID: binder: change down_write to down_read
UPSTREAM: ANDROID: binder: correct the cmd print for BINDER_WORK_RETURN_ERROR
UPSTREAM: ANDROID: binder: remove 32-bit binder interface.
UPSTREAM: ANDROID: binder: re-order some conditions
UPSTREAM: android: binder: use VM_ALLOC to get vm area
UPSTREAM: android: binder: Use true and false for boolean values
UPSTREAM: android: binder: Use octal permissions
UPSTREAM: android: binder: Prefer __func__ to using hardcoded function name
UPSTREAM: ANDROID: binder: make binder_alloc_new_buf_locked static and indent its arguments
UPSTREAM: android: binder: Check for errors in binder_alloc_shrinker_init().
treewide: Use array_size in f2fs_kvzalloc()
treewide: Use array_size() in f2fs_kzalloc()
treewide: Use array_size() in f2fs_kmalloc()
overflow.h: Add allocation size calculation helpers
f2fs: fix to clear FI_VOLATILE_FILE correctly
f2fs: let sync node IO interrupt async one
f2fs: don't change wbc->sync_mode
f2fs: fix to update mtime correctly
fs: f2fs: insert space around that ':' and ', '
fs: f2fs: add missing blank lines after declarations
fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
f2fs: clean up symbol namespace
f2fs: make set_de_type() static
f2fs: make __f2fs_write_data_pages() static
f2fs: fix to avoid accessing cross the boundary
f2fs: fix to let caller retry allocating block address
disable loading f2fs module on PAGE_SIZE > 4KB
f2fs: fix error path of move_data_page
f2fs: don't drop dentry pages after fs shutdown
f2fs: fix to avoid race during access gc_thread pointer
f2fs: clean up with clear_radix_tree_dirty_tag
f2fs: fix to don't trigger writeback during recovery
f2fs: clear discard_wake earlier
f2fs: let discard thread wait a little longer if dev is busy
f2fs: avoid stucking GC due to atomic write
f2fs: introduce sbi->gc_mode to determine the policy
f2fs: keep migration IO order in LFS mode
f2fs: fix to wait page writeback during revoking atomic write
f2fs: Fix deadlock in shutdown ioctl
f2fs: detect synchronous writeback more earlier
mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()
ceph: use pagevec_lookup_range_nr_tag()
mm: add variant of pagevec_lookup_range_tag() taking number of pages
mm: use pagevec_lookup_range_tag() in write_cache_pages()
mm: use pagevec_lookup_range_tag() in __filemap_fdatawait_range()
nilfs2: use pagevec_lookup_range_tag()
gfs2: use pagevec_lookup_range_tag()
f2fs: use find_get_pages_tag() for looking up single page
f2fs: simplify page iteration loops
f2fs: use pagevec_lookup_range_tag()
ext4: use pagevec_lookup_range_tag()
ceph: use pagevec_lookup_range_tag()
btrfs: use pagevec_lookup_range_tag()
mm: implement find_get_pages_range_tag()
f2fs: clean up with is_valid_blkaddr()
f2fs: fix to initialize min_mtime with ULLONG_MAX
f2fs: fix to let checkpoint guarantee atomic page persistence
f2fs: fix to initialize i_current_depth according to inode type
Revert "f2fs: add ovp valid_blocks check for bg gc victim to fg_gc"
f2fs: don't drop any page on f2fs_cp_error() case
f2fs: fix spelling mistake: "extenstion" -> "extension"
f2fs: enhance sanity_check_raw_super() to avoid potential overflows
f2fs: treat volatile file's data as hot one
f2fs: introduce release_discard_addr() for cleanup
f2fs: fix potential overflow
f2fs: rename dio_rwsem to i_gc_rwsem
f2fs: move mnt_want_write_file after range check
f2fs: fix missing clear FI_NO_PREALLOC in some error case
f2fs: enforce fsync_mode=strict for renamed directory
f2fs: sanity check for total valid node blocks
f2fs: sanity check on sit entry
f2fs: avoid bug_on on corrupted inode
f2fs: give message and set need_fsck given broken node id
f2fs: clean up commit_inmem_pages()
f2fs: do not check F2FS_INLINE_DOTS in recover
f2fs: remove duplicated dquot_initialize and fix error handling
f2fs: stop issue discard if something wrong with f2fs
f2fs: fix return value in f2fs_ioc_commit_atomic_write
f2fs: allocate hot_data for atomic write more strictly
f2fs: check if inmem_pages list is empty correctly
f2fs: fix race in between GC and atomic open
f2fs: change le32 to le16 of f2fs_inode->i_extra_size
f2fs: check cur_valid_map_mir & raw_sit block count when flush sit entries
f2fs: correct return value of f2fs_trim_fs
f2fs: fix to show missing bits in FS_IOC_GETFLAGS
f2fs: remove unneeded F2FS_PROJINHERIT_FL
f2fs: don't use GFP_ZERO for page caches
f2fs: issue all big range discards in umount process
f2fs: remove redundant block plug
f2fs: remove unmatched zero_user_segment when convert inline dentry
f2fs: introduce private inode status mapping
fscrypt: log the crypto algorithm implementations
crypto: api - Add crypto_type_has_alg helper
crypto: skcipher - Add low-level skcipher interface
crypto: skcipher - Add helper to retrieve driver name
crypto: skcipher - Add default key size helper
fscrypt: add Speck128/256 support
fscrypt: only derive the needed portion of the key
fscrypt: separate key lookup from key derivation
fscrypt: use a common logging function
fscrypt: remove internal key size constants
fscrypt: remove unnecessary check for non-logon key type
fscrypt: make fscrypt_operations.max_namelen an integer
fscrypt: drop empty name check from fname_decrypt()
fscrypt: drop max_namelen check from fname_decrypt()
fscrypt: don't special-case EOPNOTSUPP from fscrypt_get_encryption_info()
fscrypt: don't clear flags on crypto transform
fscrypt: remove stale comment from fscrypt_d_revalidate()
fscrypt: remove error messages for skcipher_request_alloc() failure
fscrypt: remove unnecessary NULL check when allocating skcipher
fscrypt: clean up after fscrypt_prepare_lookup() conversions
fscrypt: use unbound workqueue for decryption
f2fs: run fstrim asynchronously if runtime discard is on
f2fs: turn down IO priority of discard from background
f2fs: don't split checkpoint in fstrim
f2fs: issue discard commands proactively in high fs utilization
f2fs: add fsync_mode=nobarrier for non-atomic files
f2fs: let fstrim issue discard commands in lower priority
f2fs: avoid fsync() failure caused by EAGAIN in writepage()
f2fs: clear PageError on writepage - part 2
f2fs: check cap_resource only for data blocks
Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"
f2fs: clear PageError on writepage
f2fs: call unlock_new_inode() before d_instantiate()
f2fs: refactor read path to allow multiple postprocessing steps
fscrypt: allow synchronous bio decryption
f2fs: remain written times to update inode during fsync
f2fs: make assignment of t->dentry_bitmap more readable
f2fs: truncate preallocated blocks in error case
f2fs: fix a wrong condition in f2fs_skip_inode_update
f2fs: reserve bits for fs-verity
f2fs: Add a segment type check in inplace write
f2fs: no need to initialize zero value for GFP_F2FS_ZERO
f2fs: don't track new nat entry in nat set
f2fs: clean up with F2FS_BLK_ALIGN
f2fs: check blkaddr more accuratly before issue a bio
f2fs: Set GF_NOFS in read_cache_page_gfp while doing f2fs_quota_read
f2fs: introduce a new mount option test_dummy_encryption
f2fs: introduce F2FS_FEATURE_LOST_FOUND feature
f2fs: release locks before return in f2fs_ioc_gc_range()
f2fs: align memory boundary for bitops
f2fs: remove unneeded set_cold_node()
f2fs: add nowait aio support
f2fs: wrap all options with f2fs_sb_info.mount_opt
f2fs: Don't overwrite all types of node to keep node chain
f2fs: introduce mount option for fsync mode
f2fs: fix to restore old mount option in ->remount_fs
f2fs: wrap sb_rdonly with f2fs_readonly
f2fs: avoid selinux denial on CAP_SYS_RESOURCE
f2fs: support hot file extension
f2fs: fix to avoid race in between atomic write and background GC
f2fs: do gc in greedy mode for whole range if gc_urgent mode is set
f2fs: issue discard aggressively in the gc_urgent mode
f2fs: set readdir_ra by default
f2fs: add auto tuning for small devices
f2fs: add mount option for segment allocation policy
f2fs: don't stop GC if GC is contended
f2fs: expose extension_list sysfs entry
f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range
f2fs: introduce sb_lock to make encrypt pwsalt update exclusive
f2fs: remove redundant initialization of pointer 'p'
f2fs: flush cp pack except cp pack 2 page at first
f2fs: clean up f2fs_sb_has_xxx functions
f2fs: remove redundant check of page type when submit bio
f2fs: fix to handle looped node chain during recovery
f2fs: handle quota for orphan inodes
f2fs: support passing down write hints to block layer with F2FS policy
f2fs: support passing down write hints given by users to block layer
f2fs: fix to clear CP_TRIMMED_FLAG
f2fs: support large nat bitmap
f2fs: fix to check extent cache in f2fs_drop_extent_tree
f2fs: restrict inline_xattr_size configuration
f2fs: fix heap mode to reset it back
f2fs: fix potential corruption in area before F2FS_SUPER_OFFSET
fscrypt: fix build with pre-4.6 gcc versions
fscrypt: fix up fscrypt_fname_encrypted_size() for internal use
fscrypt: define fscrypt_fname_alloc_buffer() to be for presented names
fscrypt: calculate NUL-padding length in one place only
fscrypt: move fscrypt_symlink_data to fscrypt_private.h
fscrypt: remove fscrypt_fname_usr_to_disk()
f2fs: switch to fscrypt_get_symlink()
f2fs: switch to fscrypt ->symlink() helper functions
fscrypt: new helper function - fscrypt_get_symlink()
fscrypt: new helper functions for ->symlink()
fscrypt: trim down fscrypt.h includes
fscrypt: move fscrypt_is_dot_dotdot() to fs/crypto/fname.c
fscrypt: move fscrypt_valid_enc_modes() to fscrypt_private.h
fscrypt: move fscrypt_operations declaration to fscrypt_supp.h
fscrypt: split fscrypt_dummy_context_enabled() into supp/notsupp versions
fscrypt: move fscrypt_ctx declaration to fscrypt_supp.h
fscrypt: move fscrypt_info_cachep declaration to fscrypt_private.h
fscrypt: move fscrypt_control_page() to supp/notsupp headers
fscrypt: move fscrypt_has_encryption_key() to supp/notsupp headers
f2fs: don't put dentry page in pagecache into highmem
f2fs: support inode creation time
f2fs: rebuild sit page from sit info in mem
f2fs: stop issuing discard if fs is readonly
f2fs: clean up duplicated assignment in init_discard_policy
f2fs: use GFP_F2FS_ZERO for cleanup
f2fs: allow to recover node blocks given updated checkpoint
f2fs: recover some i_inline flags
f2fs: correct removexattr behavior for null valued extended attribute
f2fs: drop page cache after fs shutdown
f2fs: stop gc/discard thread after fs shutdown
f2fs: hanlde error case in f2fs_ioc_shutdown
f2fs: split need_inplace_update
f2fs: fix to update last_disk_size correctly
f2fs: kill F2FS_INLINE_XATTR_ADDRS for cleanup
f2fs: clean up error path of fill_super
f2fs: avoid hungtask when GC encrypted block if io_bits is set
f2fs: allow quota to use reserved blocks
f2fs: fix to drop all inmem pages correctly
f2fs: speed up defragment on sparse file
f2fs: support F2FS_IOC_PRECACHE_EXTENTS
f2fs: add an ioctl to disable GC for specific file
f2fs: prevent newly created inode from being dirtied incorrectly
f2fs: support FIEMAP_FLAG_XATTR
f2fs: fix to cover f2fs_inline_data_fiemap with inode_lock
f2fs: check node page again in write end io
f2fs: fix to caclulate required free section correctly
f2fs: handle newly created page when revoking inmem pages
f2fs: add resgid and resuid to reserve root blocks
f2fs: implement cgroup writeback support
f2fs: remove unused pend_list_tag
f2fs: avoid high cpu usage in discard thread
f2fs: make local functions static
f2fs: add reserved blocks for root user
f2fs: check segment type in __f2fs_replace_block
f2fs: update inode info to inode page for new file
f2fs: show precise # of blocks that user/root can use
f2fs: clean up unneeded declaration
f2fs: continue to do direct IO if we only preallocate partial blocks
f2fs: enable quota at remount from r to w
f2fs: skip stop_checkpoint for user data writes
f2fs: fix missing error number for xattr operation
f2fs: recover directory operations by fsync
f2fs: return error during fill_super
f2fs: fix an error case of missing update inode page
f2fs: fix potential hangtask in f2fs_trace_pid
f2fs: no need return value in restore summary process
f2fs: use unlikely for release case
f2fs: don't return value in truncate_data_blocks_range
f2fs: clean up f2fs_map_blocks
f2fs: clean up hash codes
f2fs: fix error handling in fill_super
f2fs: spread f2fs_k{m,z}alloc
f2fs: inject fault to kvmalloc
f2fs: inject fault to kzalloc
f2fs: remove a redundant conditional expression
f2fs: apply write hints to select the type of segment for direct write
f2fs: switch to fscrypt_prepare_setattr()
f2fs: switch to fscrypt_prepare_lookup()
f2fs: switch to fscrypt_prepare_rename()
f2fs: switch to fscrypt_prepare_link()
f2fs: switch to fscrypt_file_open()
f2fs: remove repeated f2fs_bug_on
f2fs: remove an excess variable
f2fs: fix lock dependency in between dio_rwsem & i_mmap_sem
f2fs: remove unused parameter
f2fs: still write data if preallocate only partial blocks
f2fs: introduce sysfs readdir_ra to readahead inode block in readdir
f2fs: fix concurrent problem for updating free bitmap
f2fs: remove unneeded memory footprint accounting
f2fs: no need to read nat block if nat_block_bitmap is set
f2fs: reserve nid resource for quota sysfile
fscrypt: resolve some cherry-pick bugs
fscrypt: move to generic async completion
crypto: introduce crypto wait for async op
fscrypt: lock mutex before checking for bounce page pool
fscrypt: new helper function - fscrypt_prepare_setattr()
fscrypt: new helper function - fscrypt_prepare_lookup()
fscrypt: new helper function - fscrypt_prepare_rename()
fscrypt: new helper function - fscrypt_prepare_link()
fscrypt: new helper function - fscrypt_file_open()
fscrypt: new helper function - fscrypt_require_key()
fscrypt: remove unneeded empty fscrypt_operations structs
fscrypt: remove ->is_encrypted()
fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()
fs, fscrypt: add an S_ENCRYPTED inode flag
fscrypt: clean up include file mess
fscrypt: fix dereference of NULL user_key_payload
fscrypt: make ->dummy_context() return bool
f2fs: deny accessing encryption policy if encryption is off
f2fs: inject fault in inc_valid_node_count
f2fs: fix to clear FI_NO_PREALLOC
f2fs: expose quota information in debugfs
f2fs: separate nat entry mem alloc from nat_tree_lock
f2fs: validate before set/clear free nat bitmap
f2fs: avoid opened loop codes in __add_ino_entry
f2fs: apply write hints to select the type of segments for buffered write
f2fs: introduce scan_curseg_cache for cleanup
f2fs: optimize the way of traversing free_nid_bitmap
f2fs: keep scanning until enough free nids are acquired
f2fs: trace checkpoint reason in fsync()
f2fs: keep isize once block is reserved cross EOF
f2fs: avoid race in between GC and block exchange
f2fs: save a multiplication for last_nid calculation
f2fs: fix summary info corruption
f2fs: remove dead code in update_meta_page
f2fs: remove unneeded semicolon
f2fs: don't bother with inode->i_version
f2fs: check curseg space before foreground GC
f2fs: use rw_semaphore to protect SIT cache
f2fs: support quota sys files
f2fs: add quota_ino feature infra
f2fs: optimize __update_nat_bits
f2fs: modify for accurate fggc node io stat
Revert "f2fs: handle dirty segments inside refresh_sit_entry"
f2fs: add a function to move nid
f2fs: export SSR allocation threshold
f2fs: give correct trimmed blocks in fstrim
f2fs: support bio allocation error injection
f2fs: support get_page error injection
f2fs: add missing sysfs description
f2fs: support soft block reservation
f2fs: handle error case when adding xattr entry
f2fs: support flexible inline xattr size
f2fs: show current cp state
f2fs: add missing quota_initialize
f2fs: show # of dirty segments via sysfs
f2fs: stop all the operations by cp_error flag
f2fs: remove several redundant assignments
f2fs: avoid using timespec
f2fs: fix to correct no_fggc_candidate
Revert "f2fs: return wrong error number on f2fs_quota_write"
f2fs: remove obsolete pointer for truncate_xattr_node
f2fs: retry ENOMEM for quota_read|write
f2fs: limit # of inmemory pages
f2fs: update ctx->pos correctly when hitting hole in directory
f2fs: relocate readahead codes in readdir()
f2fs: allow readdir() to be interrupted
f2fs: trace f2fs_readdir
f2fs: trace f2fs_lookup
f2fs: skip searching non-exist range in truncate_hole
f2fs: expose some sectors to user in inline data or dentry case
f2fs: avoid stale fi->gdirty_list pointer
f2fs/crypto: drop crypto key at evict_inode only
f2fs: fix to avoid race when accessing last_disk_size
f2fs: Fix bool initialization/comparison
f2fs: give up CP_TRIMMED_FLAG if it drops discards
f2fs: trace f2fs_remove_discard
f2fs: reduce cmd_lock coverage in __issue_discard_cmd
f2fs: split discard policy
f2fs: wrap discard policy
f2fs: support issuing/waiting discard in range
f2fs: fix to flush multiple device in checkpoint
f2fs: enhance multiple device flush
f2fs: fix to show ino management cache size correctly
f2fs: drop FI_UPDATE_WRITE tag after f2fs_issue_flush
f2fs: obsolete ALLOC_NID_LIST list
f2fs: convert inline data for direct I/O & FI_NO_PREALLOC
f2fs: allow readpages with NULL file pointer
f2fs: show flush list status in sysfs
f2fs: introduce read_xattr_block
f2fs: introduce read_inline_xattr
Revert "f2fs: reuse nids more aggressively"
Revert "f2fs: node segment is prior to data segment selected victim"
f2fs: fix potential panic during fstrim
f2fs: hurry up to issue discard after io interruption
f2fs: fix to show correct discard_granularity in sysfs
f2fs: detect dirty inode in evict_inode
f2fs: clear radix tree dirty tag of pages whose dirty flag is cleared
f2fs: speed up gc_urgent mode with SSR
f2fs: better to wait for fstrim completion
f2fs: avoid race in between read xattr & write xattr
f2fs: make get_lock_data_page to handle encrypted inode
f2fs: use generic terms used for encrypted block management
f2fs: introduce f2fs_encrypted_file for clean-up
Revert "f2fs: add a new function get_ssr_cost"
f2fs: constify super_operations
f2fs: fix to wake up all sleeping flusher
f2fs: avoid race in between atomic_read & atomic_inc
f2fs: remove unneeded parameter of change_curseg
f2fs: update i_flags correctly
f2fs: don't check inode's checksum if it was dirtied or writebacked
f2fs: don't need to update inode checksum for recovery
f2fs: trigger fdatasync for non-atomic_write file
f2fs: fix to avoid race in between aio and gc
f2fs: wake up discard_thread iff there is a candidate
f2fs: return error when accessing insane flie offset
f2fs: trigger normal fsync for non-atomic_write file
f2fs: clear FI_HOT_DATA correctly
f2fs: fix out-of-order execution in f2fs_issue_flush
f2fs: issue discard commands if gc_urgent is set
f2fs: introduce discard_granularity sysfs entry
f2fs: remove unused function overprovision_sections
f2fs: check hot_data for roll-forward recovery
f2fs: add tracepoint for f2fs_gc
f2fs: retry to revoke atomic commit in -ENOMEM case
f2fs: let fill_super handle roll-forward errors
f2fs: merge equivalent flags F2FS_GET_BLOCK_[READ|DIO]
f2fs: support journalled quota
f2fs: fix potential overflow when adjusting GC cycle
f2fs: avoid unneeded sync on quota file
f2fs: introduce gc_urgent mode for background GC
f2fs: use IPU for cold files
f2fs: fix the size value in __check_sit_bitmap
f2fs: add app/fs io stat
f2fs: do not change the valid_block value if cur_valid_map was wrongly set or cleared
f2fs: update cur_valid_map_mir together with cur_valid_map
f2fs: use printk_ratelimited for f2fs_msg
f2fs: expose features to sysfs entry
f2fs: support inode checksum
f2fs: return wrong error number on f2fs_quota_write
f2fs: provide f2fs_balance_fs to __write_node_page
f2fs: introduce f2fs_statfs_project
f2fs: don't need to wait for node writes for atomic write
f2fs: avoid naming confusion of sysfs init
f2fs: support project quota
f2fs: record quota during dot{,dot} recovery
f2fs: enhance on-disk inode structure scalability
f2fs: make max inline size changeable
f2fs: add ioctl to expose current features
f2fs: make background threads of f2fs being aware of freezing
f2fs: don't give partially written atomic data from process crash
f2fs: give a try to do atomic write in -ENOMEM case
f2fs: preserve i_mode if __f2fs_set_acl() fails
f2fs: alloc new nids for xattr block in recovery
f2fs: spread struct f2fs_dentry_ptr for inline path
f2fs: remove unused input parameter
f2fs: avoid cpu lockup
f2fs: include seq_file.h for sysfs.c
f2fs: Don't clear SGID when inheriting ACLs
f2fs: remove extra inode_unlock() in error path
fscrypt: add support for AES-128-CBC
fscrypt: inline fscrypt_free_filename()
f2fs: make more close to v4.13-rc1
f2fs: support plain user/group quota
f2fs: avoid deadlock caused by lock order of page and lock_op
f2fs: use spin_{,un}lock_irq{save,restore}
f2fs: relax migratepage for atomic written page
f2fs: don't count inode block in in-memory inode.i_blocks
Revert "f2fs: fix to clean previous mount option when remount_fs"
f2fs: do not set LOST_PINO for renamed dir
f2fs: do not set LOST_PINO for newly created dir
f2fs: skip ->writepages for {mete,node}_inode during recovery
f2fs: introduce __check_sit_bitmap
f2fs: stop gc/discard thread in prior during umount
f2fs: introduce reserved_blocks in sysfs
f2fs: avoid redundant f2fs_flush after remount
f2fs: report # of free inodes more precisely
f2fs: add ioctl to do gc with target block address
f2fs: don't need to check encrypted inode for partial truncation
f2fs: measure inode.i_blocks as generic filesystem
f2fs: set CP_TRIMMED_FLAG correctly
f2fs: require key for truncate(2) of encrypted file
f2fs: move sysfs code from super.c to fs/f2fs/sysfs.c
f2fs: clean up sysfs codes
f2fs: fix wrong error number of fill_super
f2fs: fix to show injection rate in ->show_options
f2fs: Fix a return value in case of error in 'f2fs_fill_super'
f2fs: use proper variable name
f2fs: fix to avoid panic when encountering corrupt node
f2fs: don't track newly allocated nat entry in list
f2fs: add f2fs_bug_on in __remove_discard_cmd
f2fs: introduce __wait_one_discard_bio
f2fs: dax: fix races between page faults and truncating pages
f2fs: simplify the way of calulating next nat address
f2fs: sanity check size of nat and sit cache
f2fs: fix a panic caused by NULL flush_cmd_control
f2fs: remove the unnecessary cast for PTR_ERR
f2fs: remove false-positive bug_on
f2fs: Do not issue small discards in LFS mode
f2fs: don't bother checking for encryption key in ->write_iter()
f2fs: don't bother checking for encryption key in ->mmap()
f2fs: wait discard IO completion without cmd_lock held
f2fs: wake up all waiters in f2fs_submit_discard_endio
f2fs: show more info if fail to issue discard
f2fs: introduce io_list for serialize data/node IOs
f2fs: split wio_mutex
f2fs: combine huge num of discard rb tree consistence checks
f2fs: fix a bug caused by NULL extent tree
f2fs: try to freeze in gc and discard threads
f2fs: add a new function get_ssr_cost
f2fs: declare load_free_nid_bitmap static
f2fs: avoid f2fs_lock_op for IPU writes
f2fs: split bio cache
f2fs: use fio instead of multiple parameters
f2fs: remove unnecessary read cases in merged IO flow
f2fs: use f2fs_submit_page_bio for ra_meta_pages
f2fs: make sure f2fs_gc returns consistent errno
f2fs: load inode's flag from disk
f2fs: sanity check checkpoint segno and blkoff
f2fs, block_dump: give WRITE direction to submit_bio
fscrypt: correct collision claim for digested names
f2fs: switch to using fscrypt_match_name()
fscrypt: introduce helper function for filename matching
fscrypt: fix context consistency check when key(s) unavailable
fscrypt: Move key structure and constants to uapi
fscrypt: remove fscrypt_symlink_data_len()
fscrypt: remove unnecessary checks for NULL operations
fscrypt: eliminate ->prepare_context() operation
fscrypt: remove broken support for detecting keyring key revocation
fscrypt: avoid collisions when presenting long encrypted filenames
f2fs: check entire encrypted bigname when finding a dentry
f2fs: sync f2fs_lookup() with ext4_lookup()
f2fs: fix a mount fail for wrong next_scan_nid
f2fs: relocate inode_{,un}lock in F2FS_IOC_SETFLAGS
f2fs: show available_nids in f2fs/status
f2fs: flush dirty nats periodically
f2fs: introduce CP_TRIMMED_FLAG to avoid unneeded discard
f2fs: allow cpc->reason to indicate more than one reason
f2fs: release cp and dnode lock before IPU
f2fs: shrink size of struct discard_cmd
f2fs: don't hold cmd_lock during waiting discard command
f2fs: nullify fio->encrypted_page for each writes
f2fs: sanity check segment count
f2fs: introduce valid_ipu_blkaddr to clean up
f2fs: lookup extent cache first under IPU scenario
f2fs: reconstruct code to write a data page
f2fs: introduce __wait_discard_cmd
f2fs: introduce __issue_discard_cmd
f2fs: enable small discard by default
f2fs: delay awaking discard thread
f2fs: seperate read nat page from nat_tree_lock
f2fs: fix multiple f2fs_add_link() having same name for inline dentry
f2fs: skip encrypted inode in ASYNC IPU policy
f2fs: fix out-of free segments
f2fs: improve definition of statistic macros
f2fs: assign allocation hint for warm/cold data
f2fs: fix _IOW usage
f2fs: add ioctl to flush data from faster device to cold area
f2fs: introduce async IPU policy
f2fs: add undiscard blocks stat
f2fs: unlock cp_rwsem early for IPU writes
f2fs: introduce __check_rb_tree_consistence
f2fs: trace __submit_discard_cmd
f2fs: in prior to issue big discard
f2fs: clean up discard_cmd_control structure
f2fs: use rb-tree to track pending discard commands
f2fs: avoid dirty node pages in check_only recovery
f2fs: fix not to set fsync/dentry mark
f2fs: allocate hot_data for atomic writes
f2fs: give time to flush dirty pages for checkpoint
f2fs: fix fs corruption due to zero inode page
f2fs: shrink blk plug region
f2fs: extract rb-tree operation infrastructure
f2fs: avoid frequent checkpoint during f2fs_gc
f2fs: clean up some macros in terms of GET_SEGNO
f2fs: clean up get_valid_blocks with consistent parameter
f2fs: use segment number for get_valid_blocks
f2fs: guard macro variables with braces
f2fs: fix comment on f2fs_flush_merged_bios() after 86531d6b
f2fs: prevent waiter encountering incorrect discard states
f2fs: introduce f2fs_wait_discard_bios
f2fs: split discard_cmd_list
Revert "f2fs: put allocate_segment after refresh_sit_entry"
f2fs: split make_dentry_ptr() into block and inline versions
f2fs: submit bio of in-place-update pages
f2fs: remove the redundant variable definition
f2fs: avoid IO split due to mixed WB_SYNC_ALL and WB_SYNC_NONE
f2fs: write small sized IO to hot log
f2fs: use bitmap in discard_entry
f2fs: clean up destroy_discard_cmd_control
f2fs: count discard command entry
f2fs: show issued flush/discard count
f2fs: relax node version check for victim data in gc
f2fs: start SSR much eariler to avoid FG_GC
f2fs: allocate node and hot data in the beginning of partition
f2fs: fix wrong max cost initialization
f2fs: allow write page cache when writting cp
f2fs: don't reserve additional space in xattr block
f2fs: clean up xattr operation
f2fs: don't track volatile file in dirty inode list
f2fs: show the max number of volatile operations
f2fs: fix race condition in between free nid allocator/initializer
f2fs: use set_page_private marcro in f2fs_trace_pid
f2fs: fix recording invalid last_victim
f2fs: more reasonable mem_size calculating of ino_entry
f2fs: calculate the f2fs_stat_info into base_mem
f2fs: avoid stat_inc_atomic_write for non-atomic file
f2fs: sanity check of crc_offset from raw checkpoint
f2fs: cleanup the disk level filename updating
f2fs: cover update_free_nid_bitmap with nid_list_lock
f2fs: fix bad prefetchw of NULL page
f2fs: clear FI_DATA_EXIST flag in truncate_inline_inode
f2fs: move mnt_want_write_file after arguments checking
f2fs: check new size by inode_newsize_ok in f2fs_insert_range
f2fs: avoid copy date to user-space if move file range fail
f2fs: drop duplicate new_size assign in f2fs_zero_range
f2fs: adjust the way of calculating nat block
f2fs: add fault injection on f2fs_truncate
f2fs: check range before defragment
f2fs: use parameter max_items instead of PIDVEC_SIZE
f2fs: add a punch discard command function
f2fs: allocate a bio for discarding when actually issuing it
f2fs: skip writeback meta pages if cp_mutex acquire failed
f2fs: show more precise message on orphan recovery failure
f2fs: remove dead macro PGOFS_OF_NEXT_DNODE
f2fs: drop duplicate radix tree lookup of nat_entry_set
f2fs: make sure trace all f2fs_issue_flush
f2fs: don't allow volatile writes for non-regular file
f2fs: don't allow atomic writes for not regular files
f2fs: fix stale ATOMIC_WRITTEN_PAGE private pointer
f2fs: build stat_info before orphan inode recovery
f2fs: fix the fault of calculating blkstart twice
f2fs: fix the fault of checking F2FS_LINK_MAX for rename inode
f2fs: don't allow to get pino when filename is encrypted
f2fs: fix wrong error injection for evict_inode
f2fs: le32_to_cpu for ckpt->cp_pack_total_block_count
f2fs: le16_to_cpu for xattr->e_value_size
f2fs: don't need to invalidate wrong node page
f2fs: fix an error return value in truncate_partial_data_page
f2fs: combine nat_bits and free_nid_bitmap cache
f2fs: skip scanning free nid bitmap of full NAT blocks
f2fs: use __set{__clear}_bit_le
f2fs: update_free_nid_bitmap() can be static
f2fs: __update_nat_bits() can be static
f2fs: le16_to_cpu for xattr->e_value_size
f2fs: don't overwrite node block by SSR
f2fs: don't need to invalidate wrong node page
f2fs: fix an error return value in truncate_partial_data_page
fscrypt: catch up to v4.11-rc1
f2fs: avoid to flush nat journal entries
f2fs: avoid to issue redundant discard commands
f2fs: fix a plint compile warning
f2fs: add f2fs_drop_inode tracepoint
f2fs: Fix zoned block device support
f2fs: remove redundant set_page_dirty()
f2fs: fix to enlarge size of write_io_dummy mempool
f2fs: fix memory leak of write_io_dummy mempool during umount
f2fs: fix to update F2FS_{CP_}WB_DATA count correctly
f2fs: use MAX_FREE_NIDS for the free nids target
f2fs: introduce free nid bitmap
f2fs: new helper cur_cp_crc() getting crc in f2fs_checkpoint
f2fs: update the comment of default nr_pages to skipping
f2fs: drop the duplicate pval in f2fs_getxattr
f2fs: Don't update the xattr data that same as the exist
f2fs: kill __is_extent_same
f2fs: avoid bggc->fggc when enough free segments are avaliable after cp
f2fs: select target segment with closer temperature in SSR mode
f2fs: show simple call stack in fault injection message
fscrypt: catch fscrypto_get_policy in v4.10-rc6
f2fs: use __clear_bit_le
f2fs: no need lock_op in f2fs_write_inline_data
f2fs: add bitmaps for empty or full NAT blocks
f2fs: replace rw semaphore extent_tree_lock with mutex lock
f2fs: avoid m_flags overlay when allocating more data blocks
f2fs: remove unsafe bitmap checking
f2fs: init local extent_info to avoid stale stack info in tp
f2fs: remove unnecessary condition check for write_checkpoint in f2fs_gc
f2fs: do SSR for node segments more aggresively
f2fs: check discard alignment only for SEQWRITE zones
f2fs: wait for discard completion after submission
f2fs: much larger batched trim_fs job
f2fs: avoid very large discard command
f2fs: find data segments across all the types
f2fs: do SSR in higher priority
f2fs: do SSR for data when there is enough free space
f2fs: node segment is prior to data segment selected victim
f2fs: put allocate_segment after refresh_sit_entry
f2fs: add ovp valid_blocks check for bg gc victim to fg_gc
f2fs: do not wait for writeback in write_begin
f2fs: replace __get_victim by dirty_segments in FG_GC
f2fs: fix multiple f2fs_add_link() calls having same name
f2fs: show actual device info in tracepoints
f2fs: use SSR for warm node as well
f2fs: enable inline_xattr by default
f2fs: introduce noinline_xattr mount option
f2fs: avoid reading NAT page by get_node_info
f2fs: remove build_free_nids() during checkpoint
f2fs: change recovery policy of xattr node block
f2fs: super: constify fscrypt_operations structure
f2fs: show checkpoint version at mount time
f2fs: remove preflush for nobarrier case
f2fs: check last page index in cached bio to decide submission
f2fs: check io submission more precisely
f2fs: fix trim_fs assignment
Revert "f2fs: remove batched discard in f2fs_trim_fs"
f2fs: fix missing bio_alloc(1)
f2fs: call internal __write_data_page directly
f2fs: avoid out-of-order execution of atomic writes
f2fs: move write_node_page above fsync_node_pages
f2fs: move flush tracepoint
f2fs: show # of APPEND and UPDATE inodes
f2fs: fix 446 coding style warnings in f2fs.h
f2fs: fix 3 coding style errors in f2fs.h
f2fs: declare missing static function
f2fs: show the fault injection mount option
f2fs: fix null pointer dereference when issuing flush in ->fsync
f2fs: fix to avoid overflow when left shifting page offset
f2fs: enhance lookup xattr
f2fs: fix a dead loop in f2fs_fiemap()
f2fs: do not preallocate blocks which has wrong buffer
f2fs: show # of on-going flush and discard bios
f2fs: add a kernel thread to issue discard commands asynchronously
f2fs: factor out discard command info into discard_cmd_control
f2fs: remove batched discard in f2fs_trim_fs
f2fs: reorganize stat information
f2fs: clean up flush/discard command namings
f2fs: check in-memory sit version bitmap
f2fs: check in-memory nat version bitmap
f2fs: check in-memory block bitmap
f2fs: introduce FI_ATOMIC_COMMIT
f2fs: clean up with list_{first, last}_entry
f2fs: return fs_trim if there is no candidate
f2fs: avoid needless checkpoint in f2fs_trim_fs
f2fs: relax async discard commands more
f2fs: drop exist_data for inline_data when truncated to 0
f2fs: don't allow encrypted operations without keys
f2fs: show the max number of atomic operations
f2fs: get io size bit from mount option
f2fs: support IO alignment for DATA and NODE writes
f2fs: add submit_bio tracepoint
f2fs: reassign new segment for mode=lfs
f2fs: fix a missing discard prefree segments
f2fs: use rb_entry_safe
f2fs: add a case of no need to read a page in write begin
f2fs: fix a problem of using memory after free
f2fs: remove unneeded condition
f2fs: don't cache nat entry if out of memory
f2fs: remove unused values in recover_fsync_data
f2fs: support async discard based on v4.9
f2fs: resolve op and op_flags confilcts
f2fs: remove wrong backported codes
f2fs: fix a missing size change in f2fs_setattr
fs/super.c: fix race between freeze_super() and thaw_super()
scripts/tags.sh: catch 4.9-rc6
f2fs: fix to access nullified flush_cmd_control pointer
f2fs: free meta pages if sanity check for ckpt is failed
f2fs: detect wrong layout
f2fs: call sync_fs when f2fs is idle
Revert "f2fs: use percpu_counter for # of dirty pages in inode"
f2fs: return AOP_WRITEPAGE_ACTIVATE for writepage
f2fs: do not activate auto_recovery for fallocated i_size
f2fs: fix 32-bit build
f2fs: set ->owner for debugfs status file's file_operations
f2fs: fix incorrect free inode count in ->statfs
f2fs: drop duplicate header timer.h
f2fs: fix wrong AUTO_RECOVER condition
f2fs: do not recover i_size if it's valid
f2fs: fix fdatasync
f2fs: fix to account total free nid correctly
f2fs: fix an infinite loop when flush nodes in cp
f2fs: don't wait writeback for datas during checkpoint
f2fs: fix wrong written_valid_blocks counting
f2fs: avoid BG_GC in f2fs_balance_fs
f2fs: fix redundant block allocation
f2fs: use err for f2fs_preallocate_blocks
f2fs: support multiple devices
f2fs: allow dio read for LFS mode
f2fs: revert segment allocation for direct IO
f2fs: return directly if block has been removed from the victim
Revert "f2fs: do not recover from previous remained wrong dnodes"
f2fs: remove checkpoint in f2fs_freeze
f2fs: assign segments correctly for direct_io
f2fs: fix wrong i_atime recovery
f2fs: record inode updating status correctly
f2fs: Trace reset zone events
f2fs: Reset sequential zones on zoned block devices
f2fs: Cache zoned block devices zone type
f2fs: Do not allow adaptive mode for host-managed zoned block devices
f2fs: Always enable discard for zoned blocks devices
f2fs: Suppress discard warning message for zoned block devices
f2fs: Check zoned block feature for host-managed zoned block devices
f2fs: Use generic zoned block device terminology
f2fs: Add missing break in switch-case
f2fs: avoid infinite loop in the EIO case on recover_orphan_inodes
f2fs: report error of f2fs_fill_dentries
fs/crypto: catch up 4.9-rc6
f2fs: hide a maybe-uninitialized warning
f2fs: remove percpu_count due to performance regression
f2fs: make clean inodes when flushing inode page
f2fs: keep dirty inodes selectively for checkpoint
f2fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps
f2fs: use BIO_MAX_PAGES for bio allocation
f2fs: declare static function for __build_free_nids
f2fs: call f2fs_balance_fs for setattr
f2fs: count dirty inodes to flush node pages during checkpoint
f2fs: avoid casted negative value as shrink count
f2fs: don't interrupt free nids building during nid allocation
f2fs: clean up free nid list operations
f2fs: split free nid list
f2fs: clear nlink if fail to add_link
f2fs: fix sparse warnings
f2fs: fix error handling in fsync_node_pages
f2fs: fix to update largest extent under lock
f2fs: be aware of extent beyond EOF in fiemap
f2fs: don't miss any f2fs_balance_fs cases
f2fs: add missing f2fs_balance_fs in f2fs_zero_range
f2fs: give a chance to detach from dirty list
f2fs: fix to release discard entries during checkpoint
f2fs: exclude free nids building and allocation
f2fs: fix to determine start_cp_addr by sbi->cur_cp_pack
f2fs: fix overflow due to condition check order
posix_acl: Clear SGID bit when setting file permissions
f2fs: fix wrong sum_page pointer in f2fs_gc
f2fs: backport from (4c1fad64 - Merge tag 'for-f2fs-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs)
Change-Id: I6c7208efc63ce7b13f26f0ec1cd3c8aef410eff0
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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android-4.4
6944da0a68ca treewide: Use array_size in f2fs_kvzalloc()
f15443db99c3 treewide: Use array_size() in f2fs_kzalloc()
3ea03ea4bd09 treewide: Use array_size() in f2fs_kmalloc()
c41203299a52 overflow.h: Add allocation size calculation helpers
d400752f547f f2fs: fix to clear FI_VOLATILE_FILE correctly
853e7339b634 f2fs: let sync node IO interrupt async one
6a4540cf1984 f2fs: don't change wbc->sync_mode
588ecdfd7d02 f2fs: fix to update mtime correctly
1ae5aadab191 fs: f2fs: insert space around that ':' and ', '
39ee53e22320 fs: f2fs: add missing blank lines after declarations
d5b4710fcf38 fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
c35da89531b3 f2fs: clean up symbol namespace
fcf37e16f3cb f2fs: make set_de_type() static
5d1633aa1071 f2fs: make __f2fs_write_data_pages() static
cc8093af7c42 f2fs: fix to avoid accessing cross the boundary
b7f559467095 f2fs: fix to let caller retry allocating block address
e48fcd857657 disable loading f2fs module on PAGE_SIZE > 4KB
02afc275a5bd f2fs: fix error path of move_data_page
0291bd36d076 f2fs: don't drop dentry pages after fs shutdown
a1259450b6db f2fs: fix to avoid race during access gc_thread pointer
d2e0f2f786a6 f2fs: clean up with clear_radix_tree_dirty_tag
c74034518fdc f2fs: fix to don't trigger writeback during recovery
e72a2cca82d8 f2fs: clear discard_wake earlier
b25a1872e9a5 f2fs: let discard thread wait a little longer if dev is busy
b125dfb20d18 f2fs: avoid stucking GC due to atomic write
405909e7f532 f2fs: introduce sbi->gc_mode to determine the policy
1f62e4702a34 f2fs: keep migration IO order in LFS mode
c4408c238722 f2fs: fix to wait page writeback during revoking atomic write
9db5be4af890 f2fs: Fix deadlock in shutdown ioctl
ed74404955cd f2fs: detect synchronous writeback more earlier
91e7d9d2ddbf mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()
feb94dc82928 ceph: use pagevec_lookup_range_nr_tag()
f3aa4a25b8b0 mm: add variant of pagevec_lookup_range_tag() taking number of pages
8914877e374a mm: use pagevec_lookup_range_tag() in write_cache_pages()
26778b87a006 mm: use pagevec_lookup_range_tag() in __filemap_fdatawait_range()
94f1b99298bd nilfs2: use pagevec_lookup_range_tag()
160355d69f46 gfs2: use pagevec_lookup_range_tag()
564108e83a74 f2fs: use find_get_pages_tag() for looking up single page
6cf6fb8645ff f2fs: simplify page iteration loops
a05d8a6a2bde f2fs: use pagevec_lookup_range_tag()
18a4848ffded ext4: use pagevec_lookup_range_tag()
1c7be24f65cd ceph: use pagevec_lookup_range_tag()
e25fadabb5c7 btrfs: use pagevec_lookup_range_tag()
bf9510b162c4 mm: implement find_get_pages_range_tag()
461247b21fde f2fs: clean up with is_valid_blkaddr()
a5d0ccbc189a f2fs: fix to initialize min_mtime with ULLONG_MAX
9bb4d22cf5de f2fs: fix to let checkpoint guarantee atomic page persistence
cdcf2b3e2559 f2fs: fix to initialize i_current_depth according to inode type
331ae0c25b44 Revert "f2fs: add ovp valid_blocks check for bg gc victim to fg_gc"
2494cc7c0bcd f2fs: don't drop any page on f2fs_cp_error() case
0037c639e63d f2fs: fix spelling mistake: "extenstion" -> "extension"
2bba5b8eb867 f2fs: enhance sanity_check_raw_super() to avoid potential overflows
9bb86b63dc0f f2fs: treat volatile file's data as hot one
2cf64590361e f2fs: introduce release_discard_addr() for cleanup
03279ce90b46 f2fs: fix potential overflow
f46eddc4da48 f2fs: rename dio_rwsem to i_gc_rwsem
bb015824532c f2fs: move mnt_want_write_file after range check
8bb9a8da75d1 f2fs: fix missing clear FI_NO_PREALLOC in some error case
cb38cc4e1d02 f2fs: enforce fsync_mode=strict for renamed directory
26bf4e8a96aa f2fs: sanity check for total valid node blocks
78f8b0f46fa2 f2fs: sanity check on sit entry
ab758ada220f f2fs: avoid bug_on on corrupted inode
1a5d1966c0ca f2fs: give message and set need_fsck given broken node id
b025f6dfc018 f2fs: clean up commit_inmem_pages()
7aff5c69da4c f2fs: do not check F2FS_INLINE_DOTS in recover
23d00b02878e f2fs: remove duplicated dquot_initialize and fix error handling
937f4ef79e25 f2fs: stop issue discard if something wrong with f2fs
a6d74bb282ad f2fs: fix return value in f2fs_ioc_commit_atomic_write
258489ec5220 f2fs: allocate hot_data for atomic write more strictly
aa857e0f3b09 f2fs: check if inmem_pages list is empty correctly
9d77ded0a71d f2fs: fix race in between GC and atomic open
0d17eb90b56a f2fs: change le32 to le16 of f2fs_inode->i_extra_size
ea2813111f1f f2fs: check cur_valid_map_mir & raw_sit block count when flush sit entries
9190cadf38db f2fs: correct return value of f2fs_trim_fs
17f85d070886 f2fs: fix to show missing bits in FS_IOC_GETFLAGS
3e90db63fcfc f2fs: remove unneeded F2FS_PROJINHERIT_FL
298032d4d4a6 f2fs: don't use GFP_ZERO for page caches
fdf61219dc25 f2fs: issue all big range discards in umount process
cd79eb2b5e45 f2fs: remove redundant block plug
ec034d0f14ca f2fs: remove unmatched zero_user_segment when convert inline dentry
71aaced0e1ee f2fs: introduce private inode status mapping
e7724207f71e fscrypt: log the crypto algorithm implementations
4cbda579cd3d crypto: api - Add crypto_type_has_alg helper
b24dcaae8753 crypto: skcipher - Add low-level skcipher interface
a9146e423547 crypto: skcipher - Add helper to retrieve driver name
a0ca4bdf4744 crypto: skcipher - Add default key size helper
eb13e0b69296 fscrypt: add Speck128/256 support
27a0e77380a3 fscrypt: only derive the needed portion of the key
f68a71fa8f77 fscrypt: separate key lookup from key derivation
52359cf4fd6d fscrypt: use a common logging function
ff8e7c745e2b fscrypt: remove internal key size constants
7149dd4d39b5 fscrypt: remove unnecessary check for non-logon key type
56446c91422e fscrypt: make fscrypt_operations.max_namelen an integer
f572a22ef9a5 fscrypt: drop empty name check from fname_decrypt()
0077eff1d2e3 fscrypt: drop max_namelen check from fname_decrypt()
3f7af9d27fd6 fscrypt: don't special-case EOPNOTSUPP from fscrypt_get_encryption_info()
52c51f7b7bde fscrypt: don't clear flags on crypto transform
89b7fb82982f fscrypt: remove stale comment from fscrypt_d_revalidate()
d56de4e926ad fscrypt: remove error messages for skcipher_request_alloc() failure
f68d3b84aef1 fscrypt: remove unnecessary NULL check when allocating skcipher
fb10231825e9 fscrypt: clean up after fscrypt_prepare_lookup() conversions
39b144490606 fscrypt: use unbound workqueue for decryption
Change-Id: Ied79ecd97385c05ef26e6b7b24d250eee9ec4e47
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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In preparation for replacing unchecked overflows for memory allocations,
this creates helpers for the 3 most common calculations:
array_size(a, b): 2-dimensional array
array3_size(a, b, c): 3-dimensional array
struct_size(ptr, member, n): struct followed by n-many trailing members
Each of these return SIZE_MAX on overflow instead of wrapping around.
(Additionally renames a variable named "array_size" to avoid future
collision.)
Co-developed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
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All users of pagevec_lookup() and pagevec_lookup_range() now pass
PAGEVEC_SIZE as a desired number of pages. Just drop the argument.
Link: http://lkml.kernel.org/r/20171009151359.31984-15-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently pagevec_lookup_range_tag() takes number of pages to look up
but most users don't need this. Create a new function
pagevec_lookup_range_nr_tag() that takes maximum number of pages to
lookup for Ceph which wants this functionality so that we can drop
nr_pages argument from pagevec_lookup_range_tag().
Link: http://lkml.kernel.org/r/20171009151359.31984-13-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "Ranged pagevec tagged lookup", v3.
In this series I provide a ranged variant of pagevec_lookup_tag() and
use it in places where it makes sense. This series removes some common
code and it also has a potential for speeding up some operations
similarly as for pagevec_lookup_range() (but for now I can think of only
artificial cases where this happens).
This patch (of 16):
Implement a variant of find_get_pages_tag() that stops iterating at
given index. Lots of users of this function (through pagevec_lookup())
actually want a range lookup and all of them are currently open-coding
this.
Also create corresponding pagevec_lookup_range_tag() function.
Link: http://lkml.kernel.org/r/20171009151359.31984-2-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Bob Peterson <rpeterso@redhat.com>
Cc: Chao Yu <yuchao0@huawei.com>
Cc: David Howells <dhowells@redhat.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Steve French <sfrench@samba.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch allows skcipher algorithms and instances to be created
and registered with the crypto API. They are accessible through
the top-level skcipher interface, along with ablkcipher/blkcipher
algorithms and instances.
This patch also introduces a new parameter called chunk size
which is meant for ciphers such as CTR and CTS which ostensibly
can handle arbitrary lengths, but still behave like block ciphers
in that you can only process a partial block at the very end.
For these ciphers the block size will continue to be set to 1
as it is now while the chunk size will be set to the underlying
block size.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Now ->max_namelen() is only called to limit the filename length when
adding NUL padding, and only for real filenames -- not symlink targets.
It also didn't give the correct length for symlink targets anyway since
it forgot to subtract 'sizeof(struct fscrypt_symlink_data)'.
Thus, change ->max_namelen from a function to a simple 'unsigned int'
that gives the filesystem's maximum filename length.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Now that all filesystems have been converted to use
fscrypt_prepare_lookup(), we can remove the fscrypt_set_d_op() and
fscrypt_set_encrypted_dentry() functions as well as un-export
fscrypt_d_ops.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Synced to the latest commit for merge:
73450231ffff f2fs: run fstrim asynchronously if runtime discard is on
Change-Id: Icec09d14f2768dfaa1a0691eac275f68adbf470b
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Currently, fscrypt provides fscrypt_decrypt_bio_pages() which decrypts a
bio's pages asynchronously, then unlocks them afterwards. But, this
assumes that decryption is the last "postprocessing step" for the bio,
so it's incompatible with additional postprocessing steps such as
authenticity verification after decryption.
Therefore, rename the existing fscrypt_decrypt_bio_pages() to
fscrypt_enqueue_decrypt_bio(). Then, add fscrypt_decrypt_bio() which
decrypts the pages in the bio synchronously without unlocking the pages,
nor setting them Uptodate; and add fscrypt_enqueue_decrypt_work(), which
enqueues work on the fscrypt_read_workqueue. The new functions will be
used by filesystems that support both fscrypt and fs-verity.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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For example, in arm64, free_nid_bitmap should be aligned to word size in order
to use bit operations.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds nowait aio support[1].
Return EAGAIN if any of the following checks fail for direct I/O:
- i_rwsem is not lockable
- Blocks are not allocated at the write location
And xfstests generic/471 is passed.
[1]: 6be96d "Introduce RWF_NOWAIT and FMODE_AIO_NOWAIT"
Signed-off-by: Hyunchul Lee <cheol.lee@lge.com>
Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch merges miscellaneous mount options into struct f2fs_mount_info,
After this patch, once we add new mount option, we don't need to worry
about recovery of it in remount_fs(), since we will recover the
f2fs_sb_info.mount_opt including all options.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch supports to recognize hot file extension in f2fs, so that we
can allocate proper hot segment location for its data, which can lead to
better hot/cold seperation in filesystem.
In addition, we changes a bit on query/add/del operation method for
extension_list sysfs entry as below:
- Query: cat /sys/fs/f2fs/<disk>/extension_list
- Add: echo 'extension' > /sys/fs/f2fs/<disk>/extension_list
- Del: echo '!extension' > /sys/fs/f2fs/<disk>/extension_list
- Add: echo '[h/c]extension' > /sys/fs/f2fs/<disk>/extension_list
- Del: echo '[h/c]!extension' > /sys/fs/f2fs/<disk>/extension_list
- [h] means add/del hot file extension
- [c] means add/del cold file extension
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds a sysfs entry 'extension_list' to support
query/add/del item in extension list.
Query:
cat /sys/fs/f2fs/<device>/extension_list
Add:
echo 'extension' > /sys/fs/f2fs/<device>/extension_list
Del:
echo '!extension' > /sys/fs/f2fs/<device>/extension_list
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Add the 'whint_mode' mount option that controls which write
hints are passed down to block layer. There are "off" and
"user-based" mode. The default mode is "off".
1) whint_mode=off. F2FS only passes down WRITE_LIFE_NOT_SET.
2) whint_mode=user-based. F2FS tries to pass down hints given
by users.
User F2FS Block
---- ---- -----
META WRITE_LIFE_NOT_SET
HOT_NODE "
WARM_NODE "
COLD_NODE "
ioctl(COLD) COLD_DATA WRITE_LIFE_EXTREME
extension list " "
-- buffered io
WRITE_LIFE_EXTREME COLD_DATA WRITE_LIFE_EXTREME
WRITE_LIFE_SHORT HOT_DATA WRITE_LIFE_SHORT
WRITE_LIFE_NOT_SET WARM_DATA WRITE_LIFE_NOT_SET
WRITE_LIFE_NONE " "
WRITE_LIFE_MEDIUM " "
WRITE_LIFE_LONG " "
-- direct io
WRITE_LIFE_EXTREME COLD_DATA WRITE_LIFE_EXTREME
WRITE_LIFE_SHORT HOT_DATA WRITE_LIFE_SHORT
WRITE_LIFE_NOT_SET WARM_DATA WRITE_LIFE_NOT_SET
WRITE_LIFE_NONE " WRITE_LIFE_NONE
WRITE_LIFE_MEDIUM " WRITE_LIFE_MEDIUM
WRITE_LIFE_LONG " WRITE_LIFE_LONG
Many thanks to Chao Yu and Jaegeuk Kim for comments to
implement this patch.
Signed-off-by: Hyunchul Lee <cheol.lee@lge.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: avoid build warning]
[Chao Yu: fix to restore whint_mode in ->remount_fs]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Previously, we will store all nat version bitmap in checkpoint pack block,
so our total node entry number has a limitation which caused total node
number can not exceed (3900 * 8) block * 455 node/block = 14196000. So
that once user wants to create more nodes in large size image, it becomes
a bottleneck, that's unreasonable.
This patch detects the new layout of nat/sit version bitmap in image in
order to enable supporting large nat bitmap.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Filesystems don't need fscrypt_fname_encrypted_size() anymore, so
unexport it and move it to fscrypt_private.h.
We also never calculate the encrypted size of a filename without having
the fscrypt_info present since it is needed to know the amount of
NUL-padding which is determined by the encryption policy, and also we
will always truncate the NUL-padding to the maximum filename length.
Therefore, also make fscrypt_fname_encrypted_size() assume that the
fscrypt_info is present, and make it truncate the returned length to the
specified max_len.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Previously fscrypt_fname_alloc_buffer() was used to allocate buffers for
both presented (decrypted or encoded) and encrypted filenames. That was
confusing, because it had to allocate the worst-case size for either,
e.g. including NUL-padding even when it was meaningless.
But now that fscrypt_setup_filename() no longer calls it, it is only
used in the ->get_link() and ->readdir() paths, which specifically want
a buffer for presented filenames. Therefore, switch the behavior over
to allocating the buffer for presented filenames only.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Now that all filesystems have been converted to use the symlink helper
functions, they no longer need the declaration of 'struct
fscrypt_symlink_data'. Move it from fscrypt.h to fscrypt_private.h.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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fscrypt_fname_usr_to_disk() sounded very generic but was actually only
used to encrypt symlinks. Remove it now that all filesystems have been
switched over to fscrypt_encrypt_symlink().
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Filesystems also have duplicate code to support ->get_link() on
encrypted symlinks. Factor it out into a new function
fscrypt_get_symlink(). It takes in the contents of the encrypted
symlink on-disk and provides the target (decrypted or encoded) that
should be returned from ->get_link().
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Currently, filesystems supporting fscrypt need to implement some tricky
logic when creating encrypted symlinks, including handling a peculiar
on-disk format (struct fscrypt_symlink_data) and correctly calculating
the size of the encrypted symlink. Introduce helper functions to make
things a bit easier:
- fscrypt_prepare_symlink() computes and validates the size the symlink
target will require on-disk.
- fscrypt_encrypt_symlink() creates the encrypted target if needed.
The new helpers actually fix some subtle bugs. First, when checking
whether the symlink target was too long, filesystems didn't account for
the fact that the NUL padding is meant to be truncated if it would cause
the maximum length to be exceeded, as is done for filenames in
directories. Consequently users would receive ENAMETOOLONG when
creating symlinks close to what is supposed to be the maximum length.
For example, with EXT4 with a 4K block size, the maximum symlink target
length in an encrypted directory is supposed to be 4093 bytes (in
comparison to 4095 in an unencrypted directory), but in
FS_POLICY_FLAGS_PAD_32-mode only up to 4064 bytes were accepted.
Second, symlink targets of "." and ".." were not being encrypted, even
though they should be, as these names are special in *directory entries*
but not in symlink targets. Fortunately, we can fix this simply by
starting to encrypt them, as old kernels already accept them in
encrypted form.
Third, the output string length the filesystems were providing when
doing the actual encryption was incorrect, as it was forgotten to
exclude 'sizeof(struct fscrypt_symlink_data)'. Fortunately though, this
bug didn't make a difference.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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fscrypt.h included way too many other headers, given that it is included
by filesystems both with and without encryption support. Trim down the
includes list by moving the needed includes into more appropriate
places, and removing the unneeded ones.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Only fs/crypto/fname.c cares about treating the "." and ".." filenames
specially with regards to encryption, so move fscrypt_is_dot_dotdot()
from fscrypt.h to there.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The encryption modes are validated by fs/crypto/, not by individual
filesystems. Therefore, move fscrypt_valid_enc_modes() from fscrypt.h
to fscrypt_private.h.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Filesystems now only define their fscrypt_operations when they are
compiled with encryption support, so move the fscrypt_operations
declaration from fscrypt.h to fscrypt_supp.h.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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fscrypt_dummy_context_enabled() accesses ->s_cop, which now is only set
when the filesystem is built with encryption support. This didn't
actually matter because no filesystems called it. However, it will
start being used soon, so fix it by moving it from fscrypt.h to
fscrypt_supp.h and stubbing it out in fscrypt_notsupp.h.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Filesystems only ever access 'struct fscrypt_ctx' through fscrypt
functions. But when a filesystem is built without encryption support,
these functions are all stubbed out, so the declaration of fscrypt_ctx
is unneeded. Therefore, move it from fscrypt.h to fscrypt_supp.h.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The fscrypt_info kmem_cache is internal to fscrypt; filesystems don't
need to access it. So move its declaration into fscrypt_private.h.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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fscrypt_control_page() is already split into two versions depending on
whether the filesystem is being built with encryption support or not.
Move them into the appropriate headers.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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fscrypt_has_encryption_key() is already split into two versions
depending on whether the filesystem is being built with encryption
support or not. Move them into the appropriate headers.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Previous dentry page uses highmem, which will cause panic in platforms
using highmem (such as arm), since the address space of dentry pages
from highmem directly goes into the decryption path via the function
fscrypt_fname_disk_to_usr. But sg_init_one assumes the address is not
from highmem, and then cause panic since it doesn't call kmap_high but
kunmap_high is triggered at the end. To fix this problem in a simple
way, this patch avoids to put dentry page in pagecache into highmem.
Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: fix coding style]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds creation time field in inode layout to support showing
kstat.btime in ->statx.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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If fsck.f2fs changes crc, we have no way to recover some inode blocks by roll-
forward recovery. Let's relax the condition to recover them.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch gives a flag to disable GC on given file, which would be useful, when
user wants to keep its block map. It also conducts in-place-update for dontmove
file.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Invoking a possibly async. crypto op and waiting for completion
while correctly handling backlog processing is a common task
in the crypto API implementation and outside users of it.
This patch adds a generic implementation for doing so in
preparation for using it across the board instead of hand
rolled versions.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
CC: Eric Biggers <ebiggers3@gmail.com>
CC: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Introduce a helper function for filesystems to call when processing
->setattr() on a possibly-encrypted inode. It handles enforcing that an
encrypted file can only be truncated if its encryption key is available.
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Introduce a helper function which prepares to look up the given dentry
in the given directory. If the directory is encrypted, it handles
loading the directory's encryption key, setting the dentry's ->d_op to
fscrypt_d_ops, and setting DCACHE_ENCRYPTED_WITH_KEY if the directory's
encryption key is available.
Note: once all filesystems switch over to this, we'll be able to move
fscrypt_d_ops and fscrypt_set_encrypted_dentry() to fscrypt_private.h.
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Introduce a helper function which prepares to rename a file into a
possibly encrypted directory. It handles loading the encryption keys
for the source and target directories if needed, and it handles
enforcing that if the target directory (and the source directory for a
cross-rename) is encrypted, then the file being moved into the directory
has the same encryption policy as its containing directory.
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Introduce a helper function which prepares to link an inode into a
possibly-encrypted directory. It handles setting up the target
directory's encryption key, then verifying that the link won't violate
the constraint that all files in an encrypted directory tree use the
same encryption policy.
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add a helper function which prepares to open a regular file which may be
encrypted. It handles setting up the file's encryption key, then
checking that the file's encryption policy matches that of its parent
directory (if the parent directory is encrypted). It may be set as the
->open() method or it can be called from another ->open() method.
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add a helper function which checks if an inode is encrypted, and if so,
tries to set up its encryption key. This is a pattern which is
duplicated in multiple places in each of ext4, f2fs, and ubifs --- for
example, when a regular file is asked to be opened or truncated.
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Now that all callers of fscrypt_operations.is_encrypted() have been
switched to IS_ENCRYPTED(), remove ->is_encrypted().
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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IS_ENCRYPTED() now gives the same information as
i_sb->s_cop->is_encrypted() but is more efficient, since IS_ENCRYPTED()
is just a simple flag check. Prepare to remove ->is_encrypted() by
switching all callers to IS_ENCRYPTED().
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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