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bdf0329924
linux/fs/f2fs
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Jaegeuk Kim bdf0329924 f2fs: call f2fs_balance_fs outside of locked page 
Otherwise, we can hit deadlock by waiting for the locked page in
move_data_block in GC.

 Thread A                     Thread B
 - do_page_mkwrite
  - f2fs_vm_page_mkwrite
   - lock_page
                              - f2fs_balance_fs
                                  - mutex_lock(gc_mutex)
                               - f2fs_gc
                                - do_garbage_collect
                                 - ra_data_block
                                  - grab_cache_page
   - f2fs_balance_fs
    - mutex_lock(gc_mutex)

Fixes: 39a8695824 ("f2fs: refactor ->page_mkwrite() flow")
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2019-12-10 16:03:55 -08:00
..
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: show f2fs instance in printk_ratelimited 2019-11-19 14:41:21 -08:00
data.c f2fs: preallocate DIO blocks when forcing buffered_io 2019-12-09 15:57:45 -08:00
debug.c fs: f2fs: Remove unnecessary checks of SM_I(sbi) in update_general_status() 2019-08-23 07:57:12 -07:00
dir.c f2fs: show f2fs instance in printk_ratelimited 2019-11-19 14:41:21 -08:00
extent_cache.c f2fs: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
f2fs.h f2fs: Fix deadlock in f2fs_gc() context during atomic files handling 2019-11-19 14:41:21 -08:00
file.c f2fs: call f2fs_balance_fs outside of locked page 2019-12-10 16:03:55 -08:00
gc.c f2fs: stop GC when the victim becomes fully valid 2019-11-25 10:01:28 -08:00
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: fix to avoid accessing uninitialized field of inode page in is_alive() 2019-09-16 08:38:26 -07:00
inode.c f2fs: show f2fs instance in printk_ratelimited 2019-11-19 14:41:21 -08:00
Kconfig f2fs: Add a small clarification to CONFIG_FS_F2FS_FS_SECURITY 2019-09-16 08:38:48 -07:00
Makefile f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00
namei.c f2fs: fix to update dir's i_pino during cross_rename 2019-11-07 11:15:39 -08:00
node.c f2fs: show f2fs instance in printk_ratelimited 2019-11-19 14:41:21 -08:00
node.h f2fs: check PageWriteback flag for ordered case 2018-12-26 15:16:56 -08:00
recovery.c f2fs: support aligned pinned file 2019-11-07 10:40:59 -08:00
segment.c f2fs-for-5.5-rc1 2019-11-30 11:02:30 -08:00
segment.h f2fs: support aligned pinned file 2019-11-07 10:40:59 -08:00
shrinker.c f2fs: fix sbi->extent_list corruption issue 2018-12-26 15:16:54 -08:00
super.c \n 2019-11-30 11:16:07 -08:00
sysfs.c f2fs: expose main_blkaddr in sysfs 2019-11-25 10:01:27 -08:00
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 f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00
xattr.c f2fs: fix to avoid memory leakage in f2fs_listxattr 2019-10-22 10:32:42 -07:00
xattr.h f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00