The cleaner thread usually takes care of delayed iputs, with the exception of the btrfs_end_transaction_throttle path. The cleaner thread only gets woken up every 30 seconds, so instead wake it up to do it's work so that we can free up that space as quickly as possible.
Reviewed-by: Filipe Manana <fdman...@suse.com> Signed-off-by: Josef Bacik <jo...@toxicpanda.com> --- fs/btrfs/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 3da9ac463344..3c42d8887183 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3264,6 +3264,7 @@ void btrfs_add_delayed_iput(struct inode *inode) ASSERT(list_empty(&binode->delayed_iput)); list_add_tail(&binode->delayed_iput, &fs_info->delayed_iputs); spin_unlock(&fs_info->delayed_iput_lock); + wake_up_process(fs_info->cleaner_kthread); } void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info) -- 2.14.3