[XFS] Fixes a bug in the quota code when allocating a new dquot record
which can cause an extent hole to be filled and a free extent to be
processed. In this case, we make a few mistakes: forget to pass back the
transaction, forget to put a hold on the buffer and forget to add the buf
to the new transaction.
SGI-PV: 940366
SGI-Modid: xfs-linux:xfs-kern:23594a
Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 144da7a..e733293 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -714,6 +714,29 @@
}
/*
+ * Cancel the previous buffer hold request made on this buffer
+ * for this transaction.
+ */
+void
+xfs_trans_bhold_release(xfs_trans_t *tp,
+ xfs_buf_t *bp)
+{
+ xfs_buf_log_item_t *bip;
+
+ ASSERT(XFS_BUF_ISBUSY(bp));
+ ASSERT(XFS_BUF_FSPRIVATE2(bp, xfs_trans_t *) == tp);
+ ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL);
+
+ bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
+ ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
+ ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
+ ASSERT(atomic_read(&bip->bli_refcount) > 0);
+ ASSERT(bip->bli_flags & XFS_BLI_HOLD);
+ bip->bli_flags &= ~XFS_BLI_HOLD;
+ xfs_buf_item_trace("BHOLD RELEASE", bip);
+}
+
+/*
* This is called to mark bytes first through last inclusive of the given
* buffer as needing to be logged when the transaction is committed.
* The buffer must already be associated with the given transaction.