Commit 0b20c0af authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Greg Kroah-Hartman

xfs: don't fail xfs_extent_busy allocation

commit 5e30c23d upstream.

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>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e8eb2c06
...@@ -45,18 +45,7 @@ xfs_extent_busy_insert( ...@@ -45,18 +45,7 @@ xfs_extent_busy_insert(
struct rb_node **rbp; struct rb_node **rbp;
struct rb_node *parent = NULL; struct rb_node *parent = NULL;
new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_MAYFAIL); new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_SLEEP);
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->agno = agno; new->agno = agno;
new->bno = bno; new->bno = bno;
new->length = len; new->length = len;
......
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