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db6ec53b7e
linux/fs/f2fs
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Jaegeuk Kim db6ec53b7e f2fs: add a rw_sem to cover quota flag changes 
Two paths to update quota and f2fs_lock_op:

1.
 - lock_op
 |  - quota_update
 `- unlock_op

2.
 - quota_update
 - lock_op
 `- unlock_op

But, we need to make a transaction on quota_update + lock_op in #2 case.
So, this patch introduces:
1. lock_op
2. down_write
3. check __need_flush
4. up_write
5. if there is dirty quota entries, flush them
6. otherwise, good to go

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2019-07-02 15:40:41 -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 rw_sem to cover quota flag changes 2019-07-02 15:40:41 -07:00
data.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
debug.c f2fs: ioctl for removing a range from F2FS 2019-07-02 15:39:24 -07:00
dir.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -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: add a rw_sem to cover quota flag changes 2019-07-02 15:40:41 -07:00
file.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
gc.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
gc.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
hash.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
inline.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
inode.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
Kconfig fscrypt: remove filesystem specific build config option 2019-01-23 23:56:43 -05:00
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: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
node.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
node.h f2fs: check PageWriteback flag for ordered case 2018-12-26 15:16:56 -08:00
recovery.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
segment.c f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
segment.h f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-07-02 15:40:41 -07:00
shrinker.c f2fs: fix sbi->extent_list corruption issue 2018-12-26 15:16:54 -08:00
super.c f2fs: add a rw_sem to cover quota flag changes 2019-07-02 15:40:41 -07:00
sysfs.c f2fs: avoid get_valid_blocks() for cleanup 2019-07-02 15:40:40 -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
xattr.c f2fs: set SBI_NEED_FSCK for xattr corruption case 2019-07-02 15:40:41 -07:00
xattr.h f2fs: fix to avoid accessing xattr across the boundary 2019-05-09 09:43:29 -07:00