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| author | Christoph Hellwig <hch@infradead.org> | 2009-07-18 18:15:01 -0400 |
|---|---|---|
| committer | Felix Blyakher <felixb@sgi.com> | 2009-08-12 01:08:01 -0500 |
| commit | ddd3a14e0f030f0f7b900621f67532285b8657ef (patch) | |
| tree | d8c0d11c5adc45b1a6657ddd51b6435e3d28f1f9 | |
| parent | 7b02ecb3031b192823bc732ae717febc0a59aa92 (diff) | |
| download | blackbird-op-linux-ddd3a14e0f030f0f7b900621f67532285b8657ef.tar.gz blackbird-op-linux-ddd3a14e0f030f0f7b900621f67532285b8657ef.zip | |
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: Christoph Hellwig <hch@lst.de>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_attr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index bfb583791fe2..4ece1906bd41 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -2010,7 +2010,9 @@ xfs_attr_rmtval_get(xfs_da_args_t *args) dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock); blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount); 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) return(error); |
