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linux/fs/f2fs
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Chao Yu 7bcd0cfa73 f2fs: don't trigger data flush in foreground operation 
Data flush can generate heavy IO and cause long latency during
flush, so it's not appropriate to trigger it in foreground
operation.

And also, we may face below potential deadlock during data flush:
- f2fs_write_multi_pages
 - f2fs_write_raw_pages
  - f2fs_write_single_data_page
   - f2fs_balance_fs
    - f2fs_balance_fs_bg
     - f2fs_sync_dirty_inodes
      - filemap_fdatawrite   -- stuck on flush same cluster

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2020-03-30 20:46:24 -07:00
..
acl.c f2fs: Replace spaces with tab 2019-05-08 21:23:11 -07:00
acl.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
checkpoint.c f2fs: Add a new CP flag to help fsck fix resize SPO issues 2020-03-22 21:16:28 -07:00
compress.c f2fs: fix potential deadlock on compressed quota file 2020-03-30 20:46:23 -07:00
data.c f2fs: fix to avoid potential deadlock 2020-03-30 20:46:23 -07:00
debug.c f2fs: show mounted time 2020-03-19 11:41:25 -07:00
dir.c f2fs: clean up f2fs_may_encrypt() 2020-03-30 20:46:24 -07:00
extent_cache.c f2fs: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
f2fs.h f2fs: don't trigger data flush in foreground operation 2020-03-30 20:46:24 -07:00
file.c f2fs: fix to show tracepoint correctly 2020-03-19 11:41:26 -07:00
gc.c f2fs: don't trigger data flush in foreground operation 2020-03-30 20:46:24 -07:00
gc.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
hash.c f2fs: Support case-insensitive file name lookups 2019-08-23 07:57:13 -07:00
inline.c f2fs: convert inline_dir early before starting rename 2020-01-17 16:48:42 -08:00
inode.c f2fs: introduce DEFAULT_IO_TIMEOUT 2020-03-19 11:41:26 -07:00
Kconfig f2fs-for-5.6 2020-01-30 15:39:24 -08:00
Makefile f2fs: support data compression 2020-01-17 16:48:07 -08:00
namei.c f2fs: clean up f2fs_may_encrypt() 2020-03-30 20:46:24 -07:00
node.c f2fs: don't trigger data flush in foreground operation 2020-03-30 20:46:24 -07:00
node.h f2fs: check PageWriteback flag for ordered case 2018-12-26 15:16:56 -08:00
recovery.c f2fs: introduce DEFAULT_IO_TIMEOUT 2020-03-19 11:41:26 -07:00
segment.c f2fs: don't trigger data flush in foreground operation 2020-03-30 20:46:24 -07:00
segment.h f2fs: show mounted time 2020-03-19 11:41:25 -07:00
shrinker.c f2fs: fix inconsistent comments 2020-03-10 09:18:33 -07:00
super.c f2fs: fix NULL pointer dereference in f2fs_write_begin() 2020-03-30 20:46:24 -07:00
sysfs.c f2fs: show mounted time 2020-03-19 11:41:25 -07:00
trace.c f2fs: do not use mutex lock in atomic context 2019-03-05 19:58:06 -08:00
trace.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
verity.c fs-verity: implement readahead of Merkle tree pages 2020-01-14 13:27:32 -08:00
xattr.c f2fs: use kmem_cache pool during inline xattr lookups 2020-03-22 21:16:27 -07:00
xattr.h f2fs: xattr.h: Replace zero-length array with flexible-array member 2020-03-22 21:16:29 -07:00