[XFS] Fixes the leak in reservation space because we weren't ungranting

space for the unmount record - which becomes a problem in the freeze/thaw
scenario.

SGI-PV: 942533
SGI-Modid: xfs-linux-melb:xfs-kern:26815a

Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 7bf5046d8d28..9bd3cdf11a87 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -502,6 +502,12 @@ extern int	 xlog_bread(xlog_t *, xfs_daddr_t, int, struct xfs_buf *);
 #define XLOG_TRACE_SLEEP_FLUSH 3
 #define XLOG_TRACE_WAKE_FLUSH  4
 
+/*
+ * Unmount record type is used as a pseudo transaction type for the ticket.
+ * It's value must be outside the range of XFS_TRANS_* values.
+ */
+#define XLOG_UNMOUNT_REC_TYPE   (-1U)
+
 #endif  /* __KERNEL__ */
 
 #endif  /* __XFS_LOG_PRIV_H__ */