Commit ddd3a14e authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Felix Blyakher

xfs: switch to NOFS allocation under i_lock in xfs_attr_rmtval_get

xfs_attr_rmtval_get is always called with i_lock held, but i_lock is taken
in reclaim context so all allocations under it must avoid recursions into
the filesystem.

Reported by the new reclaim context tracing in lockdep.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarFelix Blyakher <felixb@sgi.com>
Signed-off-by: default avatarFelix Blyakher <felixb@sgi.com>
parent 7b02ecb3
...@@ -2010,7 +2010,9 @@ xfs_attr_rmtval_get(xfs_da_args_t *args) ...@@ -2010,7 +2010,9 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock); dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock);
blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount); blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
error = xfs_read_buf(mp, mp->m_ddev_targp, dblkno, error = xfs_read_buf(mp, mp->m_ddev_targp, dblkno,
blkcnt, XFS_BUF_LOCK, &bp); blkcnt,
XFS_BUF_LOCK | XBF_DONT_BLOCK,
&bp);
if (error) if (error)
return(error); return(error);
......
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