Ksawlii/kernel_samsung_a53x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Revert "btrfs: wait for fixup workers before stopping cleaner kthread during umount"

Browse source 
This reverts commit cfbf212995.
This commit is contained in:
Ksawlii 2024-11-24 00:23:01 +01:00
parent 57903b8949
commit 7628389383
1 changed files with 0 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
fs/btrfs/disk-io.c
View file

@ -4131,17 +4131,6 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info)
/* clear out the rbtree of defraggable inodes */
btrfs_cleanup_defrag_inodes(fs_info);
/*
* Wait for any fixup workers to complete.
* If we don't wait for them here and they are still running by the time
* we call kthread_stop() against the cleaner kthread further below, we
* get an use-after-free on the cleaner because the fixup worker adds an
* inode to the list of delayed iputs and then attempts to wakeup the
* cleaner kthread, which was already stopped and destroyed. We parked
* already the cleaner, but below we run all pending delayed iputs.
*/
btrfs_flush_workqueue(fs_info->fixup_workers);
/*
* After we parked the cleaner kthread, ordered extents may have
* completed and created new delayed iputs. If one of the async reclaim