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Subject[GIT PULL] f2fs update for 4.20-rc1
Hi Linus,

Could you please consider this pull request?

The following changes since commit b36fdc6853a38a6f8749897a33435635019e0647:

Merge tag 'gpio-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio (2018-09-05 09:27:45 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git tags/f2fs-for-4.20-rc1

for you to fetch changes up to 78130819695f17f5c042d8ba097802639478faf5:

f2fs: fix to keep project quota consistent (2018-10-22 17:54:48 -0700)

----------------------------------------------------------------
f2fs-for-4.20-rc1

In this round, we've added 1) superblock checksum feature, 2) implemented new
mount option which we can disable/enable checkpoint to provide atomic updates of
entire filesystem, 3) refactored quota operations to enhance its consistency
along with checkpoint, 4) fixed subtle IO hang conditions and roll-forward
recovery flow to resurrect any fsync'ed inode metadata.

Enhancement:
- add checksum to keep superblock contents more safe
- add checkpoint=disable/enable to support A/B update of entire filesystem
- use plug for readahead IO in readdir
- add more IO counts to avoid block layer hacks

Bug fix:
- prevent data corruption issue for hardware encryption
- fix IO hang issues when GC is heavily triggered
- add missing up_read in __write_node_page
- recover inode metadata during roll-forward recovery flow
- fix null pointer dereference issue in wrongly configured discard map

There are some more sanity checks and minor bug fixes as well.

----------------------------------------------------------------
Chao Yu (33):
f2fs: fix to avoid NULL pointer dereference on se->discard_map
Revert "f2fs: use printk_ratelimited for f2fs_msg"
f2fs: fix to flush all dirty inodes recovered in readonly fs
f2fs: fix memory leak of write_io in fill_super()
f2fs: fix memory leak of percpu counter in fill_super()
f2fs: fix to do sanity check with current segment number
f2fs: plug readahead IO in readdir()
f2fs: add SPDX license identifiers
f2fs: split IO error injection according to RW
f2fs: fix to recover inode's uid/gid during POR
f2fs: fix to recover inode's project id during POR
f2fs: fix to recover inode's i_flags during POR
f2fs: fix to recover inode's i_gc_failures during POR
f2fs: fix to recover inode's crtime during POR
f2fs: mark inode dirty explicitly in recover_inode()
f2fs: add to account meta IO
f2fs: add to account skip count of background GC
Revert: "f2fs: check last page index in cached bio to decide submission"
f2fs: refactor ->page_mkwrite() flow
f2fs: allow out-place-update for direct IO in LFS mode
f2fs: submit cached bio to avoid endless PageWriteback
f2fs: fix to recover cold bit of inode block during POR
f2fs: use rb_*_cached friends
f2fs: shrink sbi->sb_lock coverage in set_file_temperature()
f2fs: remove unused sbi->trigger_ssr_threshold
f2fs: remove unneeded disable_nat_bits()
f2fs: fix to account IO correctly
f2fs: fix to account IO correctly for cgroup writeback
f2fs: fix to spread clear_cold_data()
f2fs: spread f2fs_set_inode_flags()
f2fs: fix to recover inode->i_flags of inode block during POR
f2fs: guarantee journalled quota data by checkpoint
f2fs: fix to keep project quota consistent

Chengguang Xu (4):
f2fs: add additional sanity check in f2fs_acl_from_disk()
f2fs: cache NULL when both default_acl and acl are NULL
f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION
f2fs: fix remount problem of option io_bits

Daniel Rosenberg (1):
f2fs: checkpoint disabling

Jaegeuk Kim (13):
f2fs: avoid wrong decrypted data from disk
f2fs: submit bio after shutdown
f2fs: avoid infinite loop in f2fs_alloc_nid
f2fs: report ENOENT correctly in f2fs_rename
f2fs: update i_size after DIO completion
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
f2fs: return correct errno in f2fs_gc
f2fs: fix missing up_read
f2fs: keep lazytime on remount
f2fs: clear PageError on the read path
f2fs: allow to mount, if quota is failed
f2fs: account read IOs and use IO counts for is_idle
Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"

Jens Axboe (1):
f2fs: remove request_list check in is_idle()

Junling Zheng (1):
f2fs: support superblock checksum

Sahitya Tummala (5):
f2fs: fix unnecessary periodic wakeup of discard thread when dev is busy
f2fs: add new idle interval timing for discard and gc paths
f2fs: do not update REQ_TIME in case of error conditions
f2fs: update REQ_TIME in f2fs_cross_rename()
f2fs: fix data corruption issue with hardware encryption

Sheng Yong (1):
f2fs: cleanup dirty pages if recover failed

Wang Shilong (1):
f2fs: fix setattr project check upon fssetxattr ioctl

Yunlei He (1):
f2fs: report error if quota off error during umount

Zhikang Zhang (1):
f2fs: avoid sleeping under spin_lock

Documentation/ABI/testing/sysfs-fs-f2fs | 17 +-
Documentation/filesystems/f2fs.txt | 8 +-
fs/f2fs/acl.c | 12 +-
fs/f2fs/acl.h | 5 +-
fs/f2fs/checkpoint.c | 94 ++++++--
fs/f2fs/data.c | 220 ++++++++++++-----
fs/f2fs/debug.c | 35 ++-
fs/f2fs/dir.c | 30 ++-
fs/f2fs/extent_cache.c | 134 ++++++-----
fs/f2fs/f2fs.h | 253 +++++++++++++++----
fs/f2fs/file.c | 196 +++++++++------
fs/f2fs/gc.c | 115 ++++++---
fs/f2fs/gc.h | 5 +-
fs/f2fs/hash.c | 5 +-
fs/f2fs/inline.c | 8 +-
fs/f2fs/inode.c | 28 ++-
fs/f2fs/namei.c | 57 +++--
fs/f2fs/node.c | 83 ++++---
fs/f2fs/node.h | 5 +-
fs/f2fs/recovery.c | 125 ++++++++--
fs/f2fs/segment.c | 240 ++++++++++++------
fs/f2fs/segment.h | 20 +-
fs/f2fs/shrinker.c | 5 +-
fs/f2fs/super.c | 415 +++++++++++++++++++++++++++-----
fs/f2fs/sysfs.c | 17 +-
fs/f2fs/trace.c | 5 +-
fs/f2fs/trace.h | 5 +-
fs/f2fs/xattr.c | 5 +-
fs/f2fs/xattr.h | 5 +-
include/linux/f2fs_fs.h | 10 +-
30 files changed, 1594 insertions(+), 568 deletions(-)

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