[PATCH] kill t_sema member of struct xfs_trans

[Christoph Hellwig <hch@xxxxxx>]

It's completely unused so we might aswell kill it.  Note that there is
another t_sema in struct xlog_ticket, which is used and actually an sv_t
despite the name.  That one is left untouched by this patch.


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: linux-2.6-xfs/fs/xfs/xfs_trans.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_trans.h       2008-02-05 08:48:40.000000000 
+0100
+++ linux-2.6-xfs/fs/xfs/xfs_trans.h    2008-02-05 08:48:45.000000000 +0100
@@ -341,7 +341,6 @@ typedef struct xfs_trans {
        unsigned int            t_rtx_res;      /* # of rt extents resvd */
        unsigned int            t_rtx_res_used; /* # of resvd rt extents used */
        xfs_log_ticket_t        t_ticket;       /* log mgr ticket */
-       sema_t                  t_sema;         /* sema for commit completion */
        xfs_lsn_t               t_lsn;          /* log seq num of start of
                                                 * transaction. */
        xfs_lsn_t               t_commit_lsn;   /* log seq num of end of