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e9e83ae080
* google/upstream-f2fs-stable-linux-4.14.y:
f2fs: fix to do sanity check on .cp_pack_total_block_count
f2fs: make gc_urgent and gc_segment_mode sysfs node readable
f2fs: use aggressive GC policy during f2fs_disable_checkpoint()
f2fs: fix compressed file start atomic write may cause data corruption
f2fs: initialize sbi->gc_mode explicitly
f2fs: introduce gc_urgent_mid mode
f2fs: compress: fix to print raw data size in error path of lz4 decompression
f2fs: remove redundant parameter judgment
f2fs: use spin_lock to avoid hang
f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs
f2fs: remove unnecessary read for F2FS_FITS_IN_INODE
f2fs: fix to do sanity check on curseg->alloc_type
f2fs: fix to avoid potential deadlock
f2fs: quota: fix loop condition at f2fs_quota_sync()
f2fs: Restore rwsem lockdep support
f2fs: fix missing free nid in f2fs_handle_failed_inode
f2fs: add a way to limit roll forward recovery time
f2fs: introduce F2FS_IPU_HONOR_OPU_WRITE ipu policy
f2fs: adjust readahead block number during recovery
f2fs: fix to unlock page correctly in error path of is_alive()
f2fs: expose discard related parameters in sysfs
f2fs: move discard parameters into discard_cmd_control
f2fs: fix to enable ATGC correctly via gc_idle sysfs interface
f2fs: move f2fs to use reader-unfair rwsems
f2fs: do not allow partial truncation on pinned file
f2fs: remove redunant invalidate compress pages
f2fs: Simplify bool conversion
f2fs: don't drop compressed page cache in .{invalidate,release}page
f2fs: fix to reserve space for IO align feature
f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
f2fs: support fault injection to f2fs_trylock_op()
f2fs: clean up __find_inline_xattr() with __find_xattr()
f2fs: fix to do sanity check on last xattr entry in __f2fs_setxattr()
f2fs: do not bother checkpoint by f2fs_get_node_info
f2fs: avoid down_write on nat_tree_lock during checkpoint
f2fs: compress: fix potential deadlock of compress file
f2fs: avoid EINVAL by SBI_NEED_FSCK when pinning a file
f2fs: add gc_urgent_high_remaining sysfs node
f2fs: fix to do sanity check in is_alive()
f2fs: fix to avoid panic in is_alive() if metadata is inconsistent
f2fs: fix to do sanity check on inode type during garbage collection
f2fs: avoid duplicate call of mark_inode_dirty
f2fs: fix remove page failed in invalidate compress pages
f2fs: fix the f2fs_file_write_iter tracepoint
f2fs: do not expose unwritten blocks to user by DIO
f2fs: reduce indentation in f2fs_file_write_iter()
f2fs: rework write preallocations
f2fs: compress: reduce one page array alloc and free when write compressed page
f2fs: show number of pending discard commands
f2fs: check nr_pages for readahead
f2fs: fix UAF in f2fs_available_free_memory
f2fs: invalidate META_MAPPING before IPU/DIO write
f2fs: support fault injection for dquot_initialize()
f2fs: fix incorrect return value in f2fs_sanity_check_ckpt()
f2fs: compress: disallow disabling compress on non-empty compressed file
f2fs: compress: fix overwrite may reduce compress ratio unproperly
f2fs: multidevice: support direct IO
f2fs: introduce fragment allocation mode mount option
f2fs: include non-compressed blocks in compr_written_block
f2fs: fix wrong condition to trigger background checkpoint correctly
f2fs: fix to use WHINT_MODE
f2fs: fix up f2fs_lookup tracepoints
f2fs: set SBI_NEED_FSCK flag when inconsistent node block found
f2fs: introduce excess_dirty_threshold()
f2fs: avoid attaching SB_ACTIVE flag during mount
f2fs: quota: fix potential deadlock
f2fs: should use GFP_NOFS for directory inodes
f2fs: should put a page beyond EOF when preparing a write
f2fs: deallocate compressed pages when error happens
f2fs: enable realtime discard iff device supports discard
f2fs: guarantee to write dirty data when enabling checkpoint back
f2fs: fix to unmap pages from userspace process in punch_hole()
f2fs: fix unexpected ENOENT comes from f2fs_map_blocks()
f2fs: fix to account missing .skipped_gc_rwsem
f2fs: adjust unlock order for cleanup
f2fs: Don't create discard thread when device doesn't support realtime discard
f2fs: rebuild nat_bits during umount
f2fs: introduce periodic iostat io latency traces
f2fs: separate out iostat feature
f2fs: compress: do sanity check on cluster
f2fs: fix description about main_blkaddr node
f2fs: convert S_IRUGO to 0444
f2fs: fix to keep compatibility of fault injection interface
f2fs: support fault injection for f2fs_kmem_cache_alloc()
f2fs: compress: allow write compress released file after truncate to zero
f2fs: correct comment in segment.h
f2fs: improve sbi status info in debugfs/f2fs/status
f2fs: compress: avoid duplicate counting of valid blocks when read compressed file
f2fs: fix to do sanity check for sb/cp fields correctly
f2fs: avoid unneeded memory allocation in __add_ino_entry()
f2fs: extent cache: support unaligned extent
f2fs: Kconfig: clean up config options about compression
f2fs: reduce the scope of setting fsck tag when de->name_len is zero
f2fs: fix to stop filesystem update once CP failed
f2fs: introduce discard_unit mount option
f2fs: fix min_seq_blocks can not make sense in some scenes.
f2fs: fix to force keeping write barrier for strict fsync mode
f2fs: fix wrong checkpoint_changed value in f2fs_remount()
f2fs: show sbi status in debugfs/f2fs/status
f2fs: turn back remapped address in compressed page endio
f2fs: change fiemap way in printing compression chunk
f2fs: do not submit NEW_ADDR to read node block
f2fs: compress: remove unneeded read when rewrite whole cluster
f2fs: don't sleep while grabing nat_tree_lock
f2fs: remove allow_outplace_dio()
f2fs: make f2fs_write_failed() take struct inode
f2fs: quota: fix potential deadlock
f2fs: let's keep writing IOs on SBI_NEED_FSCK
f2fs: Revert "f2fs: Fix indefinite loop in f2fs_gc() v1"
f2fs: avoid to create an empty string as the extension_list
f2fs: compress: fix to set zstd compress level correctly
f2fs: add sysfs nodes to get GC info for each GC mode
f2fs: drop dirty node pages when cp is in error status
f2fs: initialize page->private when using for our internal use
f2fs: compress: add nocompress extensions support
Revert "f2fs: avoid attaching SB_ACTIVE flag during mount/remount"
f2fs: remove false alarm on iget failure during GC
f2fs: enable extent cache for compression files in read-only
f2fs: fix to avoid adding tab before doc section
f2fs: introduce f2fs_casefolded_name slab cache
f2fs: swap: support migrating swapfile in aligned write mode
f2fs: swap: remove dead codes
f2fs: compress: add compress_inode to cache compressed blocks
f2fs: clean up /sys/fs/f2fs/<disk>/features
f2fs: add pin_file in feature list
f2fs: Advertise encrypted casefolding in sysfs
f2fs: Show casefolding support only when supported
f2fs: support RO feature
f2fs: logging neatening
f2fs: restructure f2fs page.private layout
f2fs: introduce FI_COMPRESS_RELEASED instead of using IMMUTABLE bit
f2fs: compress: remove unneeded preallocation
f2fs: avoid attaching SB_ACTIVE flag during mount/remount
f2fs: atgc: export entries for better tunability via sysfs
f2fs: compress: fix to disallow temp extension
f2fs: let's allow compression for mmap files
f2fs: add MODULE_SOFTDEP to ensure crc32 is included in the initramfs
f2fs: return success if there is no work to do
f2fs: compress: clean up parameter of __f2fs_cluster_blocks()
f2fs: compress: remove unneeded f2fs_put_dnode()
f2fs: atgc: fix to set default age threshold
f2fs: Prevent swap file in LFS mode
f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
f2fs: add cp_error check in f2fs_write_compressed_pages
f2fs: compress: rename __cluster_may_compress
f2fs: return EINVAL for hole cases in swap file
f2fs: avoid swapon failure by giving a warning first
f2fs: compress: fix to assign cc.cluster_idx correctly
f2fs: compress: fix race condition of overwrite vs truncate
f2fs: compress: fix to free compress page correctly
f2fs: support iflag change given the mask
f2fs: avoid null pointer access when handling IPU error
f2fs: drop inplace IO if fs status is abnormal
f2fs: compress: remove unneed check condition
f2fs: clean up left deprecated IO trace codes
f2fs: avoid using native allocate_segment_by_default()
f2fs: remove unnecessary struct declaration
f2fs: fix to avoid NULL pointer dereference
f2fs: avoid duplicated codes for cleanup
f2fs: document: add description about compressed space handling
f2fs: clean up build warnings
f2fs: fix the periodic wakeups of discard thread
f2fs: fix to avoid accessing invalid fio in f2fs_allocate_data_block()
f2fs: fix to avoid GC/mmap race with f2fs_truncate()
f2fs: set checkpoint_merge by default
f2fs: Fix a hungtask problem in atomic write
f2fs: fix to restrict mount condition on readonly block device
f2fs: introduce gc_merge mount option
f2fs: fix to cover __allocate_new_section() with curseg_lock
f2fs: fix wrong alloc_type in f2fs_do_replace_block
f2fs: delete empty compress.h
f2fs: fix a typo in inode.c
f2fs: allow to change discard policy based on cached discard cmds
f2fs: fix to avoid touching checkpointed data in get_victim()
f2fs: fix to update last i_size if fallocate partially succeeds
f2fs: fix error path of f2fs_remount()
f2fs: fix wrong comment of nat_tree_lock
f2fs: fix to avoid out-of-bounds memory access
f2fs: don't start checkpoint thread in readonly mountpoint
f2fs: do not use AT_SSR mode in FG_GC & high urgent BG_GC
f2fs: add sysfs nodes to get runtime compression stat
f2fs: fix to use per-inode maxbytes in f2fs_fiemap
f2fs: fix to align to section for fallocate() on pinned file
f2fs: expose # of overprivision segments
f2fs: fix error handling in f2fs_end_enable_verity()
f2fs: fix a redundant call to f2fs_balance_fs if an error occurs
f2fs: remove unused file_clear_encrypt()
f2fs: check if swapfile is section-alligned
f2fs: fix last_lblock check in check_swap_activate_fast
f2fs: remove unnecessary IS_SWAPFILE check
f2fs: Replace one-element array with flexible-array member
f2fs: compress: Allow modular (de)compression algorithms
f2fs: check discard command number before traversing discard pending list
f2fs: update comments for explicit memory barrier
f2fs: remove unused FORCE_FG_GC macro
f2fs: avoid unused f2fs_show_compress_options()
f2fs: fix panic during f2fs_resize_fs()
f2fs: fix to allow migrating fully valid segment
f2fs: fix a spelling error
f2fs: fix a spacing coding style
fs: Enable bmap() function to properly return errors
f2fs: remove obsolete f2fs.txt
fs-verity: support reading signature with ioctl
fs-verity: support reading descriptor with ioctl
fs-verity: support reading Merkle tree with ioctl
fs-verity: add FS_IOC_READ_VERITY_METADATA ioctl
fs-verity: don't pass whole descriptor to fsverity_verify_signature()
fs-verity: factor out fsverity_get_descriptor()
fs-verity: move structs needed for file signing to UAPI header
fs-verity: rename "file measurement" to "file digest"
fs-verity: rename fsverity_signed_digest to fsverity_formatted_digest
fs-verity: remove filenames from file comments
fs-verity: use smp_load_acquire() for ->i_verity_info
f2fs: remove FAULT_ALLOC_BIO
f2fs: use blkdev_issue_flush in __submit_flush_wait
f2fs: remove a few bd_part checks
quota: Cleanup list iteration in dqcache_shrink_scan()
quota: reclaim least recently used dquots
fs: quota: Replace GFP_ATOMIC with GFP_KERNEL in dquot_init
quota: Check for register_shrinker() failure.
quota: propagate error from __dquot_initialize
quota: be aware of error from dquot_initialize
Documentation: f2fs: fix typo s/automaic/automatic
f2fs: give a warning only for readonly partition
f2fs: don't grab superblock freeze for flush/ckpt thread
f2fs: add ckpt_thread_ioprio sysfs node
f2fs: introduce checkpoint_merge mount option
f2fs: relocate inline conversion from mmap() to mkwrite()
f2fs: fix a wrong condition in __submit_bio
f2fs: remove unnecessary initialization in xattr.c
f2fs: fix to avoid inconsistent quota data
f2fs: flush data when enabling checkpoint back
f2fs: deprecate f2fs_trace_io
f2fs: remove unused stat_{inc, dec}_atomic_write
f2fs: introduce sb_status sysfs node
f2fs: fix to use per-inode maxbytes
f2fs: compress: fix potential deadlock
libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()
f2fs: fix to set/clear I_LINKABLE under i_lock
f2fs: fix null page reference in redirty_blocks
f2fs: clean up post-read processing
f2fs: trival cleanup in move_data_block()
f2fs: fix out-of-repair __setattr_copy()
f2fs: fix to tag FIEMAP_EXTENT_MERGED in f2fs_fiemap()
f2fs: introduce a new per-sb directory in sysfs
f2fs: compress: support compress level
f2fs: compress: deny setting unsupported compress algorithm
f2fs: relocate f2fs_precache_extents()
f2fs: enforce the immutable flag on open files
f2fs: enhance to update i_mode and acl atomically in f2fs_setattr()
f2fs: fix to set inode->i_mode correctly for posix_acl_update_mode
f2fs: Replace expression with offsetof()
f2fs: handle unallocated section and zone on pinned/atgc
f2fs: compress: fix compression chksum
f2fs: fix shift-out-of-bounds in sanity_check_raw_super()
f2fs: fix race of pending_pages in decompression
f2fs: fix to account inline xattr correctly during recovery
f2fs: inline: fix wrong inline inode stat
f2fs: inline: correct comment in f2fs_recover_inline_data
f2fs: don't check PAGE_SIZE again in sanity_check_raw_super()
f2fs: convert to F2FS_*_INO macro
f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size
f2fs: don't allow any writes on readonly mount
f2fs: avoid race condition for shrinker count
f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
f2fs: add compress_mode mount option
f2fs: Remove unnecessary unlikely()
f2fs: init dirty_secmap incorrectly
f2fs: remove buffer_head which has 32bits limit
f2fs: fix wrong block count instead of bytes
f2fs: use new conversion functions between blks and bytes
f2fs: rename logical_to_blk and blk_to_logical
f2fs: fix kbytes written stat for multi-device case
f2fs: compress: support chksum
f2fs: fix to avoid REQ_TIME and CP_TIME collision
f2fs: change to use rwsem for cp_mutex
f2fs: Handle casefolding with Encryption
fscrypt: Have filesystems handle their d_ops
libfs: Add generic function for setting dentry_ops
f2fs: Remove the redundancy initialization
f2fs: remove writeback_inodes_sb in f2fs_remount
f2fs: fix double free of unicode map
f2fs: fix compat F2FS_IOC_{MOVE,GARBAGE_COLLECT}_RANGE
f2fs: avoid unneeded data copy in f2fs_ioc_move_range()
f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl
f2fs: add F2FS_IOC_GET_COMPRESS_OPTION ioctl
f2fs: move ioctl interface definitions to separated file
f2fs: fix to seek incorrect data offset in inline data file
f2fs: check fiemap parameters
f2fs: call f2fs_get_meta_page_retry for nat page
fscrypt: rename DCACHE_ENCRYPTED_NAME to DCACHE_NOKEY_NAME
fscrypt: don't call no-key names "ciphertext names"
fscrypt: export fscrypt_d_revalidate()
f2fs: code cleanup by removing unnecessary check
f2fs: wait for sysfs kobject removal before freeing f2fs_sb_info
f2fs: fix writecount false positive in releasing compress blocks
f2fs: introduce check_swap_activate_fast()
f2fs: don't issue flush in f2fs_flush_device_cache() for nobarrier case
f2fs: handle errors of f2fs_get_meta_page_nofail
f2fs: fix to set SBI_NEED_FSCK flag for inconsistent inode
f2fs: reject CASEFOLD inode flag without casefold feature
f2fs: fix memory alignment to support 32bit
f2fs: fix slab leak of rpages pointer
f2fs: compress: fix to disallow enabling compress on non-empty file
f2fs: compress: introduce cic/dic slab cache
f2fs: compress: introduce page array slab cache
f2fs: fix to do sanity check on segment/section count
f2fs: fix to check segment boundary during SIT page readahead
f2fs: fix uninit-value in f2fs_lookup
fs/buffer.c: record blockdev write errors in super_block that it backs
vfs: track per-sb writeback errors and report them to syncfs
f2fs: remove unneeded parameter in find_in_block()
f2fs: fix wrong total_sections check and fsmeta check
f2fs: remove duplicated code in sanity_check_area_boundary
f2fs: remove unused check on version_bitmap
f2fs: relocate blkzoned feature check
f2fs: do sanity check on zoned block device path
f2fs: add trace exit in exception path
f2fs: change return value of reserved_segments to unsigned int
f2fs: clean up kvfree
f2fs: change virtual mapping way for compression pages
f2fs: change return value of f2fs_disable_compressed_file to bool
f2fs: change i_compr_blocks of inode to atomic value
f2fs: ignore compress mount option on image w/o compression feature
f2fs: allocate proper size memory for zstd decompress
f2fs: change compr_blocks of superblock info to 64bit
f2fs: add block address limit check to compressed file
f2fs: check position in move range ioctl
f2fs: correct statistic of APP_DIRECT_IO/APP_DIRECT_READ_IO
f2fs: support age threshold based garbage collection
f2fs: Use generic casefolding support
fs: Add standard casefolding support
unicode: Add utf8_casefold_hash
f2fs: compress: use more readable atomic_t type for {cic,dic}.ref
f2fs: fix compile warning
f2fs: support 64-bits key in f2fs rb-tree node entry
f2fs: inherit mtime of original block during GC
f2fs: record average update time of segment
f2fs: introduce inmem curseg
f2fs: compress: remove unneeded code
f2fs: remove duplicated type casting
f2fs: support zone capacity less than zone size
f2fs: update changes in upstream on GC_URGENT_HIGH
f2fs: Return EOF on unaligned end of file DIO read
f2fs: fix indefinite loop scanning for free nid
f2fs: Fix type of section block count variables
f2fs: prepare a waiter before entering io_schedule
f2fs: update_sit_entry: Make the judgment condition of f2fs_bug_on more intuitive
f2fs: replace test_and_set/clear_bit() with set/clear_bit()
f2fs: make file immutable even if releasing zero compression block
f2fs: compress: disable compression mount option if compression is off
f2fs: compress: add sanity check during compressed cluster read
f2fs: use macro instead of f2fs verity version
f2fs: fix deadlock between quota writes and checkpoint
f2fs: correct comment of f2fs_exist_written_data
f2fs: compress: delay temp page allocation
f2fs: compress: fix to update isize when overwriting compressed file
f2fs: space related cleanup
f2fs: fix use-after-free issue
f2fs: Change the type of f2fs_flush_inline_data() to void
f2fs: add F2FS_IOC_SEC_TRIM_FILE ioctl
f2fs: segment.h: delete a duplicated word
f2fs: compress: fix to avoid memory leak on cc->cpages
f2fs: use generic names for generic ioctls
f2fs: don't keep meta inode pages used for compressed block migration
f2fs: fix error path in do_recover_data()
f2fs: fix to wait GCed compressed page writeback
f2fs: remove write attribute of main_blkaddr sysfs node
f2fs: add GC_URGENT_LOW mode in gc_urgent
f2fs: avoid readahead race condition
f2fs: fix return value of move_data_block()
f2fs: add parameter op_flag in f2fs_submit_page_read()
f2fs: split f2fs_allocate_new_segments()
f2fs: lost matching-pair of trace in f2fs_truncate_inode_blocks
f2fs: fix an oops in f2fs_is_compressed_page
f2fs: make trace enter and end in pairs for unlink
f2fs: fix to check page dirty status before writeback
f2fs: remove the unused compr parameter
f2fs: support to trace f2fs_fiemap()
f2fs: support to trace f2fs_bmap()
f2fs: fix wrong return value of f2fs_bmap_compress()
f2fs: remove useless parameter of __insert_free_nid()
f2fs: fix typo in comment of f2fs_do_add_link
f2fs: fix to wait page writeback before update
f2fs: show more debug info for per-temperature log
f2fs: add f2fs_gc exception handle in f2fs_ioc_gc_range
f2fs: clean up parameter of f2fs_allocate_data_block()
f2fs: shrink node_write lock coverage
f2fs: add prefix for exported symbols
f2fs: use kfree() to free variables allocated by match_strdup()
f2fs: get the right gc victim section when section has several segments
f2fs: fix a race condition between f2fs_write_end_io and f2fs_del_fsync_node_entry
f2fs: remove useless truncate in f2fs_collapse_range()
f2fs: use kfree() instead of kvfree() to free superblock data
f2fs: avoid checkpatch error
f2fs: should avoid inode eviction in synchronous path
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.