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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-03-04 20:40:05 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:23:58 +0300 |
| commit | 58d3aa672d1386d4ccd2c11d6f1a09675c30f57a (patch) | |
| tree | c57fa702596a604e9bd8c7129bfc5b38f602e365 /fs/btrfs/volumes.c | |
| parent | 7260793c13e9ae730867f0f6515d1af84f24308a (diff) | |
| download | linux-58d3aa672d1386d4ccd2c11d6f1a09675c30f57a.tar.xz | |
f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs
[ Upstream commit ba900534f807f0b327c92d5141c85d2313e2d55c ]
Let's purge inode cache in order to avoid the below deadlock.
[freeze test] shrinkder
freeze_super
- pwercpu_down_write(SB_FREEZE_FS)
- super_cache_scan
- down_read(&sb->s_umount)
- prune_icache_sb
- dispose_list
- evict
- f2fs_evict_inode
thaw_super
- down_write(&sb->s_umount);
- __percpu_down_read(SB_FREEZE_FS)
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/btrfs/volumes.c')
0 files changed, 0 insertions, 0 deletions