summaryrefslogtreecommitdiffstats
path: root/fs/xfs/libxfs/xfs_defer.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/libxfs/xfs_defer.h')
-rw-r--r--fs/xfs/libxfs/xfs_defer.h41
1 files changed, 7 insertions, 34 deletions
diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h
index a02b2b748b6d..2584a5b95b0d 100644
--- a/fs/xfs/libxfs/xfs_defer.h
+++ b/fs/xfs/libxfs/xfs_defer.h
@@ -24,17 +24,6 @@ struct xfs_defer_pending {
/*
* Header for deferred operation list.
- *
- * dop_low is used by the allocator to activate the lowspace algorithm -
- * when free space is running low the extent allocator may choose to
- * allocate an extent from an AG without leaving sufficient space for
- * a btree split when inserting the new extent. In this case the allocator
- * will enable the lowspace algorithm which is supposed to allow further
- * allocations (such as btree splits and newroots) to allocate from
- * sequential AGs. In order to avoid locking AGs out of order the lowspace
- * algorithm will start searching for free space from AG 0. If the correct
- * transaction reservations have been made then this algorithm will eventually
- * find all the space it needs.
*/
enum xfs_defer_ops_type {
XFS_DEFER_OPS_TYPE_BMAP,
@@ -45,28 +34,12 @@ enum xfs_defer_ops_type {
XFS_DEFER_OPS_TYPE_MAX,
};
-#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */
-#define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */
-
-struct xfs_defer_ops {
- bool dop_committed; /* did any trans commit? */
- bool dop_low; /* alloc in low mode */
- struct list_head dop_intake; /* unlogged pending work */
- struct list_head dop_pending; /* logged pending work */
-
- /* relog these with each roll */
- struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES];
- struct xfs_buf *dop_bufs[XFS_DEFER_OPS_NR_BUFS];
-};
-
-void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type,
+void xfs_defer_add(struct xfs_trans *tp, enum xfs_defer_ops_type type,
struct list_head *h);
-int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop);
-void xfs_defer_cancel(struct xfs_defer_ops *dop);
-void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp);
-bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop);
-int xfs_defer_ijoin(struct xfs_defer_ops *dop, struct xfs_inode *ip);
-int xfs_defer_bjoin(struct xfs_defer_ops *dop, struct xfs_buf *bp);
+int xfs_defer_finish_noroll(struct xfs_trans **tp);
+int xfs_defer_finish(struct xfs_trans **tp);
+void xfs_defer_cancel(struct xfs_trans *);
+void xfs_defer_move(struct xfs_trans *dtp, struct xfs_trans *stp);
/* Description of a deferred type. */
struct xfs_defer_op_type {
@@ -74,8 +47,8 @@ struct xfs_defer_op_type {
unsigned int max_items;
void (*abort_intent)(void *);
void *(*create_done)(struct xfs_trans *, void *, unsigned int);
- int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *,
- struct list_head *, void *, void **);
+ int (*finish_item)(struct xfs_trans *, struct list_head *, void *,
+ void **);
void (*finish_cleanup)(struct xfs_trans *, void *, int);
void (*cancel_item)(struct list_head *);
int (*diff_items)(void *, struct list_head *, struct list_head *);