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authorDave Chinner <dchinner@redhat.com>2018-05-09 17:49:37 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2018-05-10 18:56:46 +0300
commite6631f85546c8ff8842f62c73be44ff502d4287a (patch)
tree23d3a8cc1c0a452442c53adefd990bfc81e970c0 /fs/xfs/xfs_trans.h
parent1a2ebf835a3c23e0491e3279959cfb6c65a6ebbb (diff)
downloadlinux-e6631f85546c8ff8842f62c73be44ff502d4287a.tar.xz
xfs: get rid of the log item descriptor
It's just a connector between a transaction and a log item. There's a 1:1 relationship between a log item descriptor and a log item, and a 1:1 relationship between a log item descriptor and a transaction. Both relationships are created and terminated at the same time, so why do we even have the descriptor? Replace it with a specific list_head in the log item and a new log item dirtied flag to replace the XFS_LID_DIRTY flag. Signed-Off-By: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> [darrick: fix up deferred agfl intent finish_item use of LID_DIRTY] Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index ca449036f820..a386d8af56d2 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -27,7 +27,6 @@ struct xfs_efi_log_item;
struct xfs_inode;
struct xfs_item_ops;
struct xfs_log_iovec;
-struct xfs_log_item_desc;
struct xfs_mount;
struct xfs_trans;
struct xfs_trans_res;
@@ -43,8 +42,8 @@ struct xfs_bud_log_item;
typedef 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_log_item_desc *li_desc; /* ptr to current desc*/
struct xfs_mount *li_mountp; /* ptr to fs mount */
struct xfs_ail *li_ailp; /* ptr to AIL */
uint li_type; /* item type */
@@ -72,11 +71,13 @@ typedef 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_FLAGS \
{ (1 << XFS_LI_IN_AIL), "IN_AIL" }, \
{ (1 << XFS_LI_ABORTED), "ABORTED" }, \
- { (1 << XFS_LI_FAILED), "FAILED" }
+ { (1 << XFS_LI_FAILED), "FAILED" }, \
+ { (1 << XFS_LI_DIRTY), "DIRTY" }
struct xfs_item_ops {
void (*iop_size)(xfs_log_item_t *, int *, int *);
@@ -248,7 +249,6 @@ void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
struct xfs_buf *src_bp);
extern kmem_zone_t *xfs_trans_zone;
-extern kmem_zone_t *xfs_log_item_desc_zone;
/* rmap updates */
enum xfs_rmap_intent_type;