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authorChristoph Hellwig <hch@infradead.org>2012-04-23 15:58:31 +1000
committerBen Myers <bpm@sgi.com>2012-05-14 16:20:24 -0500
commitdea9609527a55b65638a6323894269334dfe6ec5 (patch)
tree841b86d16eee04480852e40414701e61bed6f966 /fs/xfs/xfs_dquot.c
parent7582df516c93046b8d2111a780c69de77f9882fb (diff)
xfs: remove log item from AIL in xfs_qm_dqflush after a shutdown
If a filesystem has been forced shutdown we are never going to write dquots to disk, which means the dquot items will stay in the AIL forever. Currently that is not a problem, but a pending chance requires us to empty the AIL before shutting down the filesystem, in which case this behaviour is lethal. Make sure to remove the log item from the AIL to allow emptying the AIL on shutdown filesystems. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_dquot.c')
-rw-r--r--fs/xfs/xfs_dquot.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 1155208fa83..e2f6f7c877d 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -904,10 +904,22 @@ xfs_qm_dqflush(
/*
* This may have been unpinned because the filesystem is shutting
* down forcibly. If that's the case we must not write this dquot
- * to disk, because the log record didn't make it to disk!
+ * to disk, because the log record didn't make it to disk.
+ *
+ * We also have to remove the log item from the AIL in this case,
+ * as we wait for an emptry AIL as part of the unmount process.
*/
if (XFS_FORCED_SHUTDOWN(mp)) {
+ struct xfs_log_item *lip = &dqp->q_logitem.qli_item;
dqp->dq_flags &= ~XFS_DQ_DIRTY;
+
+ spin_lock(&mp->m_ail->xa_lock);
+ if (lip->li_flags & XFS_LI_IN_AIL)
+ xfs_trans_ail_delete(mp->m_ail, lip,
+ SHUTDOWN_CORRUPT_INCORE);
+ else
+ spin_unlock(&mp->m_ail->xa_lock);
+
xfs_dqfunlock(dqp);
return XFS_ERROR(EIO);
}