linux/fs/f2fs
Linus Torvalds fe6f0ed0da f2fs-for-4.19-rc1
In this round, we've tuned f2fs to improve general performance by serializing
 block allocation and enhancing discard flows like fstrim which avoids user IO
 contention. And we've added fsync_mode=nobarrier which gives an option to user
 where it skips issuing cache_flush commands to underlying flash storage. And
 there are many bug fixes related to fuzzed images, revoked atomic writes, quota
 ops, and minor direct IO.
 
 Enhancement:
  - add fsync_mode=nobarrier which bypasses cache_flush command
  - enhance the discarding flow which avoids user IOs and issues in LBA order
  - readahead some encrypted blocks during GC
  - enable in-memory inode checksum to verify the blocks if F2FS_CHECK_FS is set
  - enhance nat_bits behavior
  - set -o discard by default
  - set REQ_RAHEAD to bio in ->readpages
 
 Bug fixes:
  - fix a corner case to corrupt atomic_writes revoking flow
  - revisit i_gc_rwsem to fix race conditions
  - fix some dio behaviors captured by xfstests
  - correct handling errors given by quota-related failures
  - add many sanity check flows to avoid fuzz test failures
  - add more error number propagation to their callers
  - fix several corner cases to continue fault injection w/ shutdown loop
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Merge tag 'f2fs-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've tuned f2fs to improve general performance by
  serializing block allocation and enhancing discard flows like fstrim
  which avoids user IO contention. And we've added fsync_mode=nobarrier
  which gives an option to user where it skips issuing cache_flush
  commands to underlying flash storage. And there are many bug fixes
  related to fuzzed images, revoked atomic writes, quota ops, and minor
  direct IO.

  Enhancements:
   - add fsync_mode=nobarrier which bypasses cache_flush command
   - enhance the discarding flow which avoids user IOs and issues in
     LBA order
   - readahead some encrypted blocks during GC
   - enable in-memory inode checksum to verify the blocks if
     F2FS_CHECK_FS is set
   - enhance nat_bits behavior
   - set -o discard by default
   - set REQ_RAHEAD to bio in ->readpages

  Bug fixes:
   - fix a corner case to corrupt atomic_writes revoking flow
   - revisit i_gc_rwsem to fix race conditions
   - fix some dio behaviors captured by xfstests
   - correct handling errors given by quota-related failures
   - add many sanity check flows to avoid fuzz test failures
   - add more error number propagation to their callers
   - fix several corner cases to continue fault injection w/ shutdown
     loop"

* tag 'f2fs-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (89 commits)
  f2fs: readahead encrypted block during GC
  f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc
  f2fs: fix performance issue observed with multi-thread sequential read
  f2fs: fix to skip verifying block address for non-regular inode
  f2fs: rework fault injection handling to avoid a warning
  f2fs: support fault_type mount option
  f2fs: fix to return success when trimming meta area
  f2fs: fix use-after-free of dicard command entry
  f2fs: support discard submission error injection
  f2fs: split discard command in prior to block layer
  f2fs: wake up gc thread immediately when gc_urgent is set
  f2fs: fix incorrect range->len in f2fs_trim_fs()
  f2fs: refresh recent accessed nat entry in lru list
  f2fs: fix avoid race between truncate and background GC
  f2fs: avoid race between zero_range and background GC
  f2fs: fix to do sanity check with block address in main area v2
  f2fs: fix to do sanity check with inline flags
  f2fs: fix to reset i_gc_failures correctly
  f2fs: fix invalid memory access
  f2fs: fix to avoid broken of dnode block list
  ...
2018-08-22 13:29:39 -07:00
..
acl.c posix_acl: convert posix_acl.a_refcount from atomic_t to refcount_t 2018-01-02 19:27:28 -08:00
acl.h f2fs: remove dead code f2fs_check_acl 2016-09-14 16:52:36 -07:00
checkpoint.c f2fs: rework fault injection handling to avoid a warning 2018-08-14 09:49:15 -07:00
data.c f2fs: readahead encrypted block during GC 2018-08-20 23:13:42 -07:00
debug.c f2fs: Allocate and stat mem used by free nid bitmap more accurately 2018-07-28 18:23:26 -07:00
dir.c f2fs: rework fault injection handling to avoid a warning 2018-08-14 09:49:15 -07:00
extent_cache.c f2fs: clean up symbol namespace 2018-05-31 11:31:53 -07:00
f2fs.h f2fs-for-4.19-rc1 2018-08-22 13:29:39 -07:00
file.c f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc 2018-08-20 23:13:42 -07:00
gc.c f2fs: readahead encrypted block during GC 2018-08-20 23:13:42 -07:00
gc.h f2fs: introduce sbi->gc_mode to determine the policy 2018-05-31 11:31:51 -07:00
hash.c f2fs: check entire encrypted bigname when finding a dentry 2017-05-04 11:44:35 -04:00
inline.c f2fs: fix to propagate error from __get_meta_page() 2018-08-01 11:52:36 -07:00
inode.c f2fs: fix to skip verifying block address for non-regular inode 2018-08-14 10:29:11 -07:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c f2fs: Replace strncpy with memcpy 2018-07-28 18:26:08 -07:00
node.c f2fs: rework fault injection handling to avoid a warning 2018-08-14 09:49:15 -07:00
node.h f2fs: let checkpoint flush dnode page of regular 2018-08-01 11:52:36 -07:00
recovery.c f2fs: rework fault injection handling to avoid a warning 2018-08-14 09:49:15 -07:00
segment.c f2fs: readahead encrypted block during GC 2018-08-20 23:13:42 -07:00
segment.h f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc 2018-08-20 23:13:42 -07:00
shrinker.c f2fs: clean up symbol namespace 2018-05-31 11:31:53 -07:00
super.c f2fs-for-4.19-rc1 2018-08-22 13:29:39 -07:00
sysfs.c f2fs: fix performance issue observed with multi-thread sequential read 2018-08-20 23:13:42 -07:00
trace.c f2fs: fix potential hangtask in f2fs_trace_pid 2018-01-02 19:27:30 -08:00
trace.h f2fs: add sbi and page pointer in f2fs_io_info 2015-05-28 15:41:32 -07:00
xattr.c f2fs: restrict setting up inode.i_advise 2018-08-01 11:52:36 -07:00
xattr.h f2fs: guard macro variables with braces 2017-04-10 19:48:10 -07:00