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Date: Fri, 3 Sep 2021 18:27:28 -0700
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux F2FS Dev Mailing List
<linux-f2fs-devel@...ts.sourceforge.net>
Subject: [GIT PULL] f2fs update for 5.15-rc1
Hi Linus,
Could you please consider this pull request?
Thanks,
The following changes since commit e73f0f0ee7541171d89f2e2491130c7771ba58d3:
Linux 5.14-rc1 (2021-07-11 15:07:40 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git tags/f2fs-for-5.15-rc1
for you to fetch changes up to 9605f75cf36e0bcc0f4ada07b5be712d30107607:
f2fs: should put a page beyond EOF when preparing a write (2021-08-31 14:39:39 -0700)
----------------------------------------------------------------
f2fs-for-5.15-rc1
In this cycle, we've addressed some performance issues such as lock contention,
misbehaving compress_cache, allowing extent_cache for compressed files, and new
sysfs to adjust ra_size for fadvise. In order to diagnose the performance issues
quickly, we also added an iostat which shows the IO latencies periodically. On
the stability side, we've found two memory leakage cases in the error path in
compression flow. And, we've also fixed various corner cases in fiemap, quota,
checkpoint=disable, zstd, and so on.
Enhancement:
- avoid long checkpoint latency by releasing nat_tree_lock
- collect and show iostats periodically
- support extent_cache for compressed files
- add a sysfs entry to manage ra_size given fadvise(POSIX_FADV_SEQUENTIAL)
- report f2fs GC status via sysfs
- add discard_unit=%s in mount option to handle zoned device
Bug fix:
- fix two memory leakages when an error happens in the compressed IO flow
- fix commpress_cache to get the right LBA
- fix fiemap to deal with compressed case correctly
- fix wrong EIO returns due to SBI_NEED_FSCK
- fix missing writes when enabling checkpoint back
- fix quota deadlock
- fix zstd level mount option
In addition to the above major updates, we've cleaned up several code paths such
as dio, unnecessary operations, debugfs/f2fs/status, sanity check, and typos.
----------------------------------------------------------------
Chao Yu (18):
f2fs: compress: fix to set zstd compress level correctly
f2fs: quota: fix potential deadlock
f2fs: fix wrong checkpoint_changed value in f2fs_remount()
f2fs: fix to force keeping write barrier for strict fsync mode
f2fs: introduce discard_unit mount option
f2fs: fix to stop filesystem update once CP failed
f2fs: extent cache: support unaligned extent
f2fs: avoid unneeded memory allocation in __add_ino_entry()
f2fs: fix to do sanity check for sb/cp fields correctly
f2fs: support fault injection for f2fs_kmem_cache_alloc()
f2fs: fix to keep compatibility of fault injection interface
f2fs: compress: do sanity check on cluster
f2fs: rebuild nat_bits during umount
f2fs: adjust unlock order for cleanup
f2fs: fix to account missing .skipped_gc_rwsem
f2fs: fix unexpected ENOENT comes from f2fs_map_blocks()
f2fs: fix to unmap pages from userspace process in punch_hole()
f2fs: enable realtime discard iff device supports discard
Daeho Jeong (6):
f2fs: add sysfs nodes to get GC info for each GC mode
f2fs: change fiemap way in printing compression chunk
f2fs: turn back remapped address in compressed page endio
f2fs: add sysfs node to control ra_pages for fadvise seq file
f2fs: separate out iostat feature
f2fs: introduce periodic iostat io latency traces
Eric Biggers (2):
f2fs: make f2fs_write_failed() take struct inode
f2fs: remove allow_outplace_dio()
Fengnan Chang (4):
f2fs: compress: remove unneeded read when rewrite whole cluster
f2fs: compress: avoid duplicate counting of valid blocks when read compressed file
f2fs: compress: allow write compress released file after truncate to zero
f2fs: Don't create discard thread when device doesn't support realtime discard
Jaegeuk Kim (7):
f2fs: let's keep writing IOs on SBI_NEED_FSCK
f2fs: don't sleep while grabing nat_tree_lock
f2fs: do not submit NEW_ADDR to read node block
f2fs: show sbi status in debugfs/f2fs/status
f2fs: guarantee to write dirty data when enabling checkpoint back
f2fs: deallocate compressed pages when error happens
f2fs: should put a page beyond EOF when preparing a write
Jia Yang (1):
f2fs: Revert "f2fs: Fix indefinite loop in f2fs_gc() v1"
Laibin Qiu (1):
f2fs: fix min_seq_blocks can not make sense in some scenes.
Tiezhu Yang (1):
f2fs: Kconfig: clean up config options about compression
Wang Xiaojun (1):
f2fs: avoid to create an empty string as the extension_list
Yangtao Li (5):
f2fs: reduce the scope of setting fsck tag when de->name_len is zero
f2fs: improve sbi status info in debugfs/f2fs/status
f2fs: correct comment in segment.h
f2fs: convert S_IRUGO to 0444
f2fs: fix description about main_blkaddr node
Documentation/ABI/testing/sysfs-fs-f2fs | 23 ++-
Documentation/filesystems/f2fs.rst | 17 +-
fs/f2fs/Kconfig | 19 ++-
fs/f2fs/Makefile | 1 +
fs/f2fs/checkpoint.c | 57 +++++--
fs/f2fs/compress.c | 97 ++++++++++-
fs/f2fs/data.c | 198 +++++++++++++++-------
fs/f2fs/debug.c | 39 ++++-
fs/f2fs/dir.c | 18 +-
fs/f2fs/extent_cache.c | 46 ++++-
fs/f2fs/f2fs.h | 177 ++++++++++----------
fs/f2fs/file.c | 66 +++++++-
fs/f2fs/gc.c | 14 +-
fs/f2fs/iostat.c | 287 ++++++++++++++++++++++++++++++++
fs/f2fs/iostat.h | 84 ++++++++++
fs/f2fs/node.c | 165 +++++++++++++-----
fs/f2fs/recovery.c | 3 +-
fs/f2fs/segment.c | 137 ++++++++++-----
fs/f2fs/segment.h | 4 +-
fs/f2fs/super.c | 242 ++++++++++++++++++++-------
fs/f2fs/sysfs.c | 156 +++++++----------
fs/f2fs/xattr.c | 3 +-
include/trace/events/f2fs.h | 97 +++++++++++
23 files changed, 1493 insertions(+), 457 deletions(-)
create mode 100644 fs/f2fs/iostat.c
create mode 100644 fs/f2fs/iostat.h
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