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btrfs: add cond_resched to btrfs_qgroup_trace_leaf_items
authorJeff Mahoney <jeffm@suse.com>
Tue, 20 Jun 2017 12:15:26 +0000 (08:15 -0400)
committerDavid Sterba <dsterba@suse.com>
Wed, 21 Jun 2017 13:48:01 +0000 (15:48 +0200)
commitcddf3b2cb33e01087e82580a4a7d508f08ba59e4
tree824ddac5ec4cf65c11bb4a0ccc70898b80ed8f2e
parent7dfb8be11b5d1db4325414ce16b8c164e08f52d8
btrfs: add cond_resched to btrfs_qgroup_trace_leaf_items

On an uncontended system, we can end up hitting soft lockups while
doing replace_path.  At the core, and frequently called is
btrfs_qgroup_trace_leaf_items, so it makes sense to add a cond_resched
there.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/qgroup.c