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authorDave Chinner <dchinner@redhat.com>2013-10-23 10:50:10 +1100
committerBen Myers <bpm@sgi.com>2013-10-23 16:17:44 -0500
commit239880ef6454ccff2ba8d762c3f86e8278f0ce1c (patch)
tree9a1203dea8957de0348d241a8bf94580013d915a /fs/xfs/xfs_trans.h
parentd420e5c810bce5debce0238021b410d0ef99cf08 (diff)
downloadop-kernel-dev-239880ef6454ccff2ba8d762c3f86e8278f0ce1c.zip
op-kernel-dev-239880ef6454ccff2ba8d762c3f86e8278f0ce1c.tar.gz
xfs: decouple log and transaction headers
xfs_trans.h has a dependency on xfs_log.h for a couple of structures. Most code that does transactions doesn't need to know anything about the log, but this dependency means that they have to include xfs_log.h. Decouple the xfs_trans.h and xfs_log.h header files and clean up the includes to be in dependency order. In doing this, remove the direct include of xfs_trans_reserve.h from xfs_trans.h so that we remove the dependency between xfs_trans.h and xfs_mount.h. Hence the xfs_trans.h include can be moved to the indicate the actual dependencies other header files have on it. Note that these are kernel only header files, so this does not translate to any userspace changes at all. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 71c835e..9cc5fbe 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -18,10 +18,6 @@
#ifndef __XFS_TRANS_H__
#define __XFS_TRANS_H__
-struct xfs_log_item;
-
-#include "xfs_trans_resv.h"
-
/* kernel only transaction subsystem defines */
struct xfs_buf;
@@ -77,6 +73,9 @@ struct xfs_item_ops {
void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
};
+void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
+ int type, const struct xfs_item_ops *ops);
+
/*
* Return values for the iop_push() routines.
*/
@@ -85,6 +84,7 @@ struct xfs_item_ops {
#define XFS_ITEM_LOCKED 2
#define XFS_ITEM_FLUSHING 3
+
/*
* This is the structure maintained for every active transaction.
*/
@@ -125,7 +125,6 @@ typedef struct xfs_trans {
int64_t t_rextents_delta;/* superblocks rextents chg */
int64_t t_rextslog_delta;/* superblocks rextslog chg */
struct list_head t_items; /* log item descriptors */
- xfs_trans_header_t t_header; /* header for in-log trans */
struct list_head t_busy; /* list of busy extents */
unsigned long t_pflags; /* saved process flags state */
} xfs_trans_t;
@@ -230,6 +229,7 @@ void xfs_trans_log_efd_extent(xfs_trans_t *,
xfs_fsblock_t,
xfs_extlen_t);
int xfs_trans_commit(xfs_trans_t *, uint flags);
+int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
void xfs_trans_cancel(xfs_trans_t *, int);
int xfs_trans_ail_init(struct xfs_mount *);
void xfs_trans_ail_destroy(struct xfs_mount *);
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