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xfs: fix bad dquot buffer size in log recovery readahead

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xfstests xfs/087 fails 100% reliably with this assert:

XFS (vdb): Mounting Filesystem
XFS (vdb): Starting recovery (logdev: internal)
XFS: Assertion failed: bp->b_flags & XBF_STALE, file: fs/xfs/xfs_buf.c, line: 548

while trying to read a dquot buffer in xlog_recover_dquot_ra_pass2().

The issue is that the buffer length to read that is passed to
xfs_buf_readahead is in units of filesystem blocks, not disk blocks.
(i.e. FSB, not daddr). Fix it but putting the correct conversion in
place.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner 2013-08-27 13:25:43 +10:00 committed by Ben Myers
parent 84a5b7300c
commit 0f0d334595
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_log_recover.c
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@ -3202,7 +3202,7 @@ xlog_recover_dquot_ra_pass2(
ASSERT(dq_f->qlf_len == 1);
xfs_buf_readahead(mp->m_ddev_targp, dq_f->qlf_blkno,
dq_f->qlf_len, NULL);
XFS_FSB_TO_BB(mp, dq_f->qlf_len), NULL);
}
STATIC void