btrfs: add lockdep_assert_held to need_preemptive_reclaim
authorNiels Dossche <dossche.niels@gmail.com>
Thu, 3 Mar 2022 00:38:39 +0000 (01:38 +0100)
committerDavid Sterba <dsterba@suse.com>
Mon, 14 Mar 2022 12:13:53 +0000 (13:13 +0100)
commitbf7bd725b022cca0195aa81a378a82b1e731a4a3
treeafd8412a8ccc3f0181546f72112b71b804fcf1e6
parent3777369ff1518b579560611a0d0c33f930154f64
btrfs: add lockdep_assert_held to need_preemptive_reclaim

In a previous patch ("btrfs: extend locking to all space_info members
accesses") the locking for the space_info members was extended in
btrfs_preempt_reclaim_metadata_space because not all the member
accesses that needed locks were actually locked (bytes_pinned et al).

It was then suggested to also add a call to lockdep_assert_held to
need_preemptive_reclaim. This function also works with space_info
members. As of now, it has only two call sites which both hold the lock.

Suggested-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Niels Dossche <dossche.niels@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/space-info.c