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authorBrian Foster <bfoster@redhat.com>2020-05-06 23:25:23 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2020-05-07 18:27:47 +0300
commit849274c103aeb149f23a81ba4a6bab42a5d77a78 (patch)
treec4aacab947b522b18434b30b92949a6ad34e40a7 /fs/xfs/xfs_trans_ail.c
parentb707fffda6a3e1d0a46fceaa4c3f6c06b90f448a (diff)
downloadlinux-849274c103aeb149f23a81ba4a6bab42a5d77a78.tar.xz
xfs: acquire ->ail_lock from xfs_trans_ail_delete()
Several callers acquire the lock just prior to the call. Callers that require ->ail_lock for other purposes already check IN_AIL state and thus don't require the additional shutdown check in the helper. Push the lock down into xfs_trans_ail_delete(), open code the instances that still acquire it, and remove the unnecessary ailp parameter. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_trans_ail.c')
-rw-r--r--fs/xfs/xfs_trans_ail.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 2574d01e4a83..cfba691664c7 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -864,13 +864,14 @@ xfs_ail_delete_one(
*/
void
xfs_trans_ail_delete(
- struct xfs_ail *ailp,
struct xfs_log_item *lip,
int shutdown_type)
{
+ struct xfs_ail *ailp = lip->li_ailp;
struct xfs_mount *mp = ailp->ail_mount;
xfs_lsn_t tail_lsn;
+ spin_lock(&ailp->ail_lock);
if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) {
spin_unlock(&ailp->ail_lock);
if (!XFS_FORCED_SHUTDOWN(mp)) {