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ext4: destroy ext4_fc_dentry_cachep kmemcache on module removal

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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: aa75f4d3da ("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>
This commit is contained in:
Sebastian Andrzej Siewior
2021-12-23 17:44:36 +01:00
committed by Greg Kroah-Hartman
parent f26b24b4c1
commit d60e9daba2
3 changed files with 8 additions and 0 deletions
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2
fs/ext4/super.c
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@@ -6729,6 +6729,7 @@ static int __init ext4_init_fs(void)
out:
unregister_as_ext2();
unregister_as_ext3();
ext4_fc_destroy_dentry_cache();
out05:
destroy_inodecache();
out1:
@@ -6755,6 +6756,7 @@ 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();