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Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h137
1 files changed, 88 insertions, 49 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 8308bf6d7e40..7fb860f645a3 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -8,13 +8,13 @@
/* kernel only transaction subsystem defines */
+struct xlog;
struct xfs_buf;
struct xfs_buftarg;
struct xfs_efd_log_item;
struct xfs_efi_log_item;
struct xfs_inode;
struct xfs_item_ops;
-struct xfs_log_iovec;
struct xfs_mount;
struct xfs_trans;
struct xfs_trans_res;
@@ -31,23 +31,20 @@ struct xfs_log_item {
struct list_head li_ail; /* AIL pointers */
struct list_head li_trans; /* transaction list */
xfs_lsn_t li_lsn; /* last on-disk lsn */
- struct xfs_mount *li_mountp; /* ptr to fs mount */
+ struct xlog *li_log;
struct xfs_ail *li_ailp; /* ptr to AIL */
uint li_type; /* item type */
unsigned long li_flags; /* misc flags */
struct xfs_buf *li_buf; /* real buffer pointer */
struct list_head li_bio_list; /* buffer item list */
- void (*li_cb)(struct xfs_buf *,
- struct xfs_log_item *);
- /* buffer item iodone */
- /* callback func */
const struct xfs_item_ops *li_ops; /* function list */
/* delayed logging */
struct list_head li_cil; /* CIL pointers */
struct xfs_log_vec *li_lv; /* active log vector */
struct xfs_log_vec *li_lv_shadow; /* standby vector */
- xfs_lsn_t li_seq; /* CIL commit seq */
+ xfs_csn_t li_seq; /* CIL commit seq */
+ uint32_t li_order_id; /* CIL commit order */
};
/*
@@ -58,15 +55,17 @@ struct xfs_log_item {
#define XFS_LI_IN_AIL 0
#define XFS_LI_ABORTED 1
#define XFS_LI_FAILED 2
-#define XFS_LI_DIRTY 3 /* log item dirty in transaction */
-#define XFS_LI_RECOVERED 4 /* log intent item has been recovered */
+#define XFS_LI_DIRTY 3
+#define XFS_LI_WHITEOUT 4
+#define XFS_LI_FLUSHING 5
#define XFS_LI_FLAGS \
- { (1 << XFS_LI_IN_AIL), "IN_AIL" }, \
- { (1 << XFS_LI_ABORTED), "ABORTED" }, \
- { (1 << XFS_LI_FAILED), "FAILED" }, \
- { (1 << XFS_LI_DIRTY), "DIRTY" }, \
- { (1 << XFS_LI_RECOVERED), "RECOVERED" }
+ { (1u << XFS_LI_IN_AIL), "IN_AIL" }, \
+ { (1u << XFS_LI_ABORTED), "ABORTED" }, \
+ { (1u << XFS_LI_FAILED), "FAILED" }, \
+ { (1u << XFS_LI_DIRTY), "DIRTY" }, \
+ { (1u << XFS_LI_WHITEOUT), "WHITEOUT" }, \
+ { (1u << XFS_LI_FLUSHING), "FLUSHING" }
struct xfs_item_ops {
unsigned flags;
@@ -74,20 +73,38 @@ struct xfs_item_ops {
void (*iop_format)(struct xfs_log_item *, struct xfs_log_vec *);
void (*iop_pin)(struct xfs_log_item *);
void (*iop_unpin)(struct xfs_log_item *, int remove);
+ uint64_t (*iop_sort)(struct xfs_log_item *lip);
+ int (*iop_precommit)(struct xfs_trans *tp, struct xfs_log_item *lip);
+ void (*iop_committing)(struct xfs_log_item *lip, xfs_csn_t seq);
+ xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
uint (*iop_push)(struct xfs_log_item *, struct list_head *);
- void (*iop_committing)(struct xfs_log_item *, xfs_lsn_t commit_lsn);
void (*iop_release)(struct xfs_log_item *);
- xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
- void (*iop_error)(struct xfs_log_item *, xfs_buf_t *);
- int (*iop_recover)(struct xfs_log_item *lip, struct xfs_trans *tp);
bool (*iop_match)(struct xfs_log_item *item, uint64_t id);
+ struct xfs_log_item *(*iop_intent)(struct xfs_log_item *intent_done);
};
/*
- * Release the log item as soon as committed. This is for items just logging
- * intents that never need to be written back in place.
+ * Log item ops flags
+ */
+/*
+ * Release the log item when the journal commits instead of inserting into the
+ * AIL for writeback tracking and/or log tail pinning.
*/
#define XFS_ITEM_RELEASE_WHEN_COMMITTED (1 << 0)
+#define XFS_ITEM_INTENT (1 << 1)
+#define XFS_ITEM_INTENT_DONE (1 << 2)
+
+static inline bool
+xlog_item_is_intent(struct xfs_log_item *lip)
+{
+ return lip->li_ops->flags & XFS_ITEM_INTENT;
+}
+
+static inline bool
+xlog_item_is_intent_done(struct xfs_log_item *lip)
+{
+ return lip->li_ops->flags & XFS_ITEM_INTENT_DONE;
+}
void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
int type, const struct xfs_item_ops *ops);
@@ -101,16 +118,9 @@ void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
#define XFS_ITEM_FLUSHING 3
/*
- * Deferred operation item relogging limits.
- */
-#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */
-#define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */
-
-/*
* 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 */
@@ -118,7 +128,7 @@ typedef struct xfs_trans {
unsigned int t_rtx_res; /* # of rt extents resvd */
unsigned int t_rtx_res_used; /* # of resvd rt extents used */
unsigned int t_flags; /* misc flags */
- xfs_fsblock_t t_firstblock; /* first block allocated */
+ xfs_agnumber_t t_highest_agno; /* highest AGF locked */
struct xlog_ticket *t_ticket; /* log mgr ticket */
struct xfs_mount *t_mountp; /* ptr to fs mount struct */
struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
@@ -128,11 +138,6 @@ typedef struct xfs_trans {
int64_t t_res_fdblocks_delta; /* on-disk only chg */
int64_t t_frextents_delta;/* superblock freextents chg*/
int64_t t_res_frextents_delta; /* on-disk only chg */
-#if defined(DEBUG) || defined(XFS_WARN)
- int64_t t_ag_freeblks_delta; /* debugging counter */
- int64_t t_ag_flist_delta; /* debugging counter */
- int64_t t_ag_btree_delta; /* debugging counter */
-#endif
int64_t t_dblocks_delta;/* superblock dblocks change */
int64_t t_agcount_delta;/* superblock agcount change */
int64_t t_imaxpct_delta;/* superblock imaxpct change */
@@ -141,6 +146,7 @@ typedef struct xfs_trans {
int64_t t_rblocks_delta;/* superblock rblocks change */
int64_t t_rextents_delta;/* superblocks rextents chg */
int64_t t_rextslog_delta;/* superblocks rextslog chg */
+ int64_t t_rgcount_delta; /* realtime group count */
struct list_head t_items; /* log item descriptors */
struct list_head t_busy; /* list of busy extents */
struct list_head t_dfops; /* deferred operations */
@@ -153,24 +159,15 @@ typedef struct xfs_trans {
*/
#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
-#if defined(DEBUG) || defined(XFS_WARN)
-#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
-#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
-#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
-#else
-#define xfs_trans_agblocks_delta(tp, d)
-#define xfs_trans_agflist_delta(tp, d)
-#define xfs_trans_agbtree_delta(tp, d)
-#endif
-
/*
* XFS transaction mechanism exported interfaces.
*/
int xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
uint blocks, uint rtextents, uint flags,
struct xfs_trans **tpp);
-int xfs_trans_alloc_empty(struct xfs_mount *mp,
- struct xfs_trans **tpp);
+int xfs_trans_reserve_more(struct xfs_trans *tp,
+ unsigned int blocks, unsigned int rtextents);
+struct xfs_trans *xfs_trans_alloc_empty(struct xfs_mount *mp);
void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
int xfs_trans_get_buf_map(struct xfs_trans *tp, struct xfs_buftarg *target,
@@ -183,7 +180,7 @@ xfs_trans_get_buf(
struct xfs_buftarg *target,
xfs_daddr_t blkno,
int numblks,
- uint flags,
+ xfs_buf_flags_t flags,
struct xfs_buf **bpp)
{
DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
@@ -214,10 +211,12 @@ xfs_trans_read_buf(
flags, bpp, ops);
}
-struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *);
+struct xfs_buf *xfs_trans_getsb(struct xfs_trans *);
+struct xfs_buf *xfs_trans_getrtsb(struct xfs_trans *tp);
void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_bdetach(struct xfs_trans *tp, struct xfs_buf *bp);
void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
@@ -226,7 +225,6 @@ void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
bool xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
-void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
void xfs_trans_log_buf(struct xfs_trans *, struct xfs_buf *, uint,
uint);
@@ -246,6 +244,47 @@ void xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
struct xfs_buf *src_bp);
-extern kmem_zone_t *xfs_trans_zone;
+extern struct kmem_cache *xfs_trans_cache;
+
+struct xfs_dquot;
+
+int xfs_trans_alloc_inode(struct xfs_inode *ip, struct xfs_trans_res *resv,
+ unsigned int dblocks, unsigned int rblocks, bool force,
+ struct xfs_trans **tpp);
+int xfs_trans_reserve_more_inode(struct xfs_trans *tp, struct xfs_inode *ip,
+ unsigned int dblocks, unsigned int rblocks, bool force_quota);
+int xfs_trans_alloc_icreate(struct xfs_mount *mp, struct xfs_trans_res *resv,
+ struct xfs_dquot *udqp, struct xfs_dquot *gdqp,
+ struct xfs_dquot *pdqp, unsigned int dblocks,
+ struct xfs_trans **tpp);
+int xfs_trans_alloc_ichange(struct xfs_inode *ip, struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, bool force,
+ struct xfs_trans **tpp);
+int xfs_trans_alloc_dir(struct xfs_inode *dp, struct xfs_trans_res *resv,
+ struct xfs_inode *ip, unsigned int *dblocks,
+ struct xfs_trans **tpp, int *nospace_error);
+
+static inline void
+xfs_trans_set_context(
+ struct xfs_trans *tp)
+{
+ tp->t_pflags = memalloc_nofs_save();
+}
+
+static inline void
+xfs_trans_clear_context(
+ struct xfs_trans *tp)
+{
+ memalloc_nofs_restore(tp->t_pflags);
+}
+
+static inline void
+xfs_trans_switch_context(
+ struct xfs_trans *old_tp,
+ struct xfs_trans *new_tp)
+{
+ new_tp->t_pflags = old_tp->t_pflags;
+ old_tp->t_pflags = 0;
+}
#endif /* __XFS_TRANS_H__ */
generated by cgit (git 2.34.1) at 2025-12-25 12:41:39 +0000