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[XFS] fix error handling in xlog_recover_process_one_iunlink

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If we fail after xfs_iget we have to drop the reference count, spotted
by Dave Chinner.  Also remove some useless asserts and stop trying to
deal with di_mode == 0 inodes because never gets those without passing
the IGET_CREATE flag to xfs_iget.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-11-28 14:23:42 +11:00 committed by Niv Sardi
parent 24f211bad0
commit 0e446673a1
1 changed files with 5 additions and 13 deletions
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16
fs/xfs/xfs_log_recover.c
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@ -3147,13 +3147,12 @@ xlog_recover_process_one_iunlink(
/*
* Get the on disk inode to find the next inode in the bucket.
*/
ASSERT(ip != NULL);
error = xfs_itobp(mp, NULL, ip, &dip, &ibp, XFS_BUF_LOCK);
if (error)
goto fail;
goto fail_iput;
ASSERT(dip != NULL);
ASSERT(ip->i_d.di_nlink == 0);
ASSERT(ip->i_d.di_mode != 0);
/* setup for the next pass */
agino = be32_to_cpu(dip->di_next_unlinked);
@ -3165,18 +3164,11 @@ xlog_recover_process_one_iunlink(
*/
ip->i_d.di_dmevmask = 0;
/*
* If this is a new inode, handle it specially. Otherwise, just
* drop our reference to the inode. If there are no other
* references, this will send the inode to xfs_inactive() which
* will truncate the file and free the inode.
*/
if (ip->i_d.di_mode == 0)
xfs_iput_new(ip, 0);
else
IRELE(ip);
return agino;
fail_iput:
IRELE(ip);
fail:
/*
* We can't read in the inode this bucket points to, or this inode