xfs: move xfs_clear_li_failed out of xfs_ail_delete_one()

xfs_ail_delete_one() is called directly from dquot and inode IO
completion, as well as from the generic xfs_trans_ail_delete()
function. Inodes are about to have their own failure handling, and
dquots will in future, too. Pull the clearing of the LI_FAILED flag
up into the callers so we can customise the code appropriately.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

Author: Dave Chinner

fs/xfs/xfs_dquot.c

@@ -1070,16 +1070,12 @@ xfs_qm_dqflush_done(
 	     test_bit(XFS_LI_FAILED, &lip->li_flags))) {
 
 		spin_lock(&ailp->ail_lock);
+		xfs_clear_li_failed(lip);
 		if (lip->li_lsn == qip->qli_flush_lsn) {
 			/* xfs_ail_update_finish() drops the AIL lock */
 			tail_lsn = xfs_ail_delete_one(ailp, lip);
 			xfs_ail_update_finish(ailp, tail_lsn);
 		} else {
-			/*
-			 * Clear the failed state since we are about to drop the
-			 * flush lock
-			 */
-			xfs_clear_li_failed(lip);
 			spin_unlock(&ailp->ail_lock);
 		}
 	}

fs/xfs/xfs_inode_item.c

@@ -690,12 +690,11 @@ xfs_iflush_done(
 		/* this is an opencoded batch version of xfs_trans_ail_delete */
 		spin_lock(&ailp->ail_lock);
 		list_for_each_entry(lip, &tmp, li_bio_list) {
+			xfs_clear_li_failed(lip);
 			if (lip->li_lsn == INODE_ITEM(lip)->ili_flush_lsn) {
 				xfs_lsn_t lsn = xfs_ail_delete_one(ailp, lip);
 				if (!tail_lsn && lsn)
 					tail_lsn = lsn;
-			} else {
-				xfs_clear_li_failed(lip);
 			}
 		}
 		xfs_ail_update_finish(ailp, tail_lsn);

fs/xfs/xfs_trans_ail.c

@@ -843,7 +843,6 @@ xfs_ail_delete_one(
 
 	trace_xfs_ail_delete(lip, mlip->li_lsn, lip->li_lsn);
 	xfs_ail_delete(ailp, lip);
-	xfs_clear_li_failed(lip);
 	clear_bit(XFS_LI_IN_AIL, &lip->li_flags);
 	lip->li_lsn = 0;
 
@@ -874,6 +873,7 @@ xfs_trans_ail_delete(
 	}
 
 	/* xfs_ail_update_finish() drops the AIL lock */
+	xfs_clear_li_failed(lip);
 	tail_lsn = xfs_ail_delete_one(ailp, lip);
 	xfs_ail_update_finish(ailp, tail_lsn);
 }