diff options
| author |   Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2021-12-23 17:44:36 +0100 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2022-01-10 13:25:54 -0500 |
| commit | ab047d516dea72f011c15c04a929851e4d053109 (patch) | |
| tree | ab050f8a61aefd2fccd6c379a4d0953052b5bf6f /fs | |
| parent | ext4: fast commit may miss tracking unwritten range during ftruncate (diff) | |
| download | linux-dev-ab047d516dea72f011c15c04a929851e4d053109.tar.xz linux-dev-ab047d516dea72f011c15c04a929851e4d053109.zip | |
ext4: destroy ext4_fc_dentry_cachep kmemcache on module removal
The kmemcache for ext4_fc_dentry_cachep remains registered after module
removal.
Destroy ext4_fc_dentry_cachep kmemcache on module removal.
Fixes: aa75f4d3daaeb ("ext4: main fast-commit commit path")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20211110134640.lyku5vklvdndw6uk@linutronix.de
Link: https://lore.kernel.org/r/YbiK3JetFFl08bd7@linutronix.de
Link: https://lore.kernel.org/r/20211223164436.2628390-1-bigeasy@linutronix.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ext4.h | 1 | ||||
| -rw-r--r-- | fs/ext4/fast_commit.c | 5 | ||||
| -rw-r--r-- | fs/ext4/super.c | 2 |
3 files changed, 8 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 82fa51d6f145..714201fa9e6f 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2932,6 +2932,7 @@ bool ext4_fc_replay_check_excluded(struct super_block *sb, ext4_fsblk_t block); void ext4_fc_replay_cleanup(struct super_block *sb); int ext4_fc_commit(journal_t *journal, tid_t commit_tid); int __init ext4_fc_init_dentry_cache(void); +void ext4_fc_destroy_dentry_cache(void); /* mballoc.c */ extern const struct seq_operations ext4_mb_seq_groups_ops; diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c index 28ddeb1d6afb..a6d647325742 100644 --- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -2153,3 +2153,8 @@ int __init ext4_fc_init_dentry_cache(void) return 0; } + +void ext4_fc_destroy_dentry_cache(void) +{ + kmem_cache_destroy(ext4_fc_dentry_cachep); +} diff --git a/fs/ext4/super.c b/fs/ext4/super.c index acdfd9c0d091..499d1734818d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -7118,6 +7118,7 @@ static int __init ext4_init_fs(void) out: unregister_as_ext2(); unregister_as_ext3(); + ext4_fc_destroy_dentry_cache(); out05: destroy_inodecache(); out1: @@ -7144,6 +7145,7 @@ static void __exit ext4_exit_fs(void) unregister_as_ext2(); unregister_as_ext3(); unregister_filesystem(&ext4_fs_type); + ext4_fc_destroy_dentry_cache(); destroy_inodecache(); ext4_exit_mballoc(); ext4_exit_sysfs(); |