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xfs: switch to NOFS allocation under i_lock in xfs_attr_rmtval_set 

xfs_attr_rmtval_set is always called with i_lock held, and 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: Christoph Hellwig <hch@lst.de>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
This commit is contained in:
Christoph Hellwig 2009-07-18 18:14:59 -04:00 committed by Felix Blyakher
parent 36fae17a64
commit 10746e47e7
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/xfs_attr.c
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@ -2141,8 +2141,8 @@ xfs_attr_rmtval_set(xfs_da_args_t *args)
dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock),
blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount);
bp = xfs_buf_get_flags(mp->m_ddev_targp, dblkno,
blkcnt, XFS_BUF_LOCK);
bp = xfs_buf_get_flags(mp->m_ddev_targp, dblkno, blkcnt,
XFS_BUF_LOCK | XBF_DONT_BLOCK);
ASSERT(bp);
ASSERT(!XFS_BUF_GETERROR(bp));