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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2021-12-23 19:44:36 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:05:17 +0300 |
| commit | c857769622f3647f973bb75a8a040e694f498a93 (patch) | |
| tree | 565f632eb29bc3d335ebe9edfcf93b2db4acb59d /fs/ext4 | |
| parent | 95fb4c496a7abebb50ba49b0bbba9de6d8466fa7 (diff) | |
| download | linux-c857769622f3647f973bb75a8a040e694f498a93.tar.xz | |
ext4: destroy ext4_fc_dentry_cachep kmemcache on module removal
commit ab047d516dea72f011c15c04a929851e4d053109 upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ext4')
| -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 3825195539d7..c97860ef322d 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2934,6 +2934,7 @@ 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 9f3eb2daea79..e0d393425cac 100644 --- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -2188,3 +2188,8 @@ 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 6fb635ebffb9..877c5c17e61f 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6653,6 +6653,7 @@ static int __init ext4_init_fs(void) out: unregister_as_ext2(); unregister_as_ext3(); + ext4_fc_destroy_dentry_cache(); out05: destroy_inodecache(); out1: @@ -6679,6 +6680,7 @@ 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(); |