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Commit 5e30c23d authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

xfs: don't fail xfs_extent_busy allocation 



We don't just need the structure to track busy extents which can be
avoided with a synchronous transaction, but also to keep track of
pending discard.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent b20fe473

fs/xfs/xfs_extent_busy.c

+1 −12
Original line number Diff line number Diff line
@@ -45,18 +45,7 @@ xfs_extent_busy_insert( 
	struct rb_node		**rbp;

	struct rb_node		*parent = NULL;



	new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_MAYFAIL);

	if (!new) {

		/*

		 * No Memory!  Since it is now not possible to track the free

		 * block, make this a synchronous transaction to insure that

		 * the block is not reused before this transaction commits.

		 */

		trace_xfs_extent_busy_enomem(tp->t_mountp, agno, bno, len);

		xfs_trans_set_sync(tp);

		return;

	}



	new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_SLEEP);

	new->agno = agno;

	new->bno = bno;

	new->length = len;