[PATCH 3/3] xfs: remove the t_magic field in struct xfs_trans

[Christoph Hellwig <hch@lst.de>]

The t_magic field is only ever assigned to, but never read.  Remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_trans.c | 2 --
 fs/xfs/xfs_trans.h | 1 -
 2 files changed, 3 deletions(-)

diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 4cd25717c9d1..786fb659ee3f 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -100,7 +100,6 @@ xfs_trans_dup(
 	/*
 	 * Initialize the new transaction structure.
 	 */
-	ntp->t_magic = XFS_TRANS_HEADER_MAGIC;
 	ntp->t_mountp = tp->t_mountp;
 	INIT_LIST_HEAD(&ntp->t_items);
 	INIT_LIST_HEAD(&ntp->t_busy);
@@ -275,7 +274,6 @@ xfs_trans_alloc(
 	ASSERT(!(flags & XFS_TRANS_RES_FDBLKS) ||
 	       xfs_has_lazysbcount(mp));
 
-	tp->t_magic = XFS_TRANS_HEADER_MAGIC;
 	tp->t_flags = flags;
 	tp->t_mountp = mp;
 	INIT_LIST_HEAD(&tp->t_items);
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 71c2e82e4dad..2b366851e9a4 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -122,7 +122,6 @@ void	xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
  * This is the structure maintained for every active transaction.
  */
 typedef struct xfs_trans {
-	unsigned int		t_magic;	/* magic number */
 	unsigned int		t_log_res;	/* amt of log space resvd */
 	unsigned int		t_log_count;	/* count for perm log res */
 	unsigned int		t_blk_res;	/* # of blocks resvd */
-- 
2.45.2