diff options
Diffstat (limited to 'fs/xfs/xfs_trans.h')
| -rw-r--r-- | fs/xfs/xfs_trans.h | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 7c37b533aa8e..db056544cbb5 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -179,6 +179,8 @@ struct xfs_log_item_desc { #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ +#define XFS_TRANS_FREEZE_PROT 0x40 /* Transaction has elevated writer + count in superblock */ /* * Values for call flags parameter. @@ -448,11 +450,51 @@ xfs_trans_t *xfs_trans_dup(xfs_trans_t *); int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, uint, uint); void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); -struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, - int, uint); -int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, - struct xfs_buftarg *, xfs_daddr_t, int, uint, - struct xfs_buf **); + +struct xfs_buf *xfs_trans_get_buf_map(struct xfs_trans *tp, + struct xfs_buftarg *target, + struct xfs_buf_map *map, int nmaps, + uint flags); + +static inline struct xfs_buf * +xfs_trans_get_buf( + struct xfs_trans *tp, + struct xfs_buftarg *target, + xfs_daddr_t blkno, + int numblks, + uint flags) +{ + struct xfs_buf_map map = { + .bm_bn = blkno, + .bm_len = numblks, + }; + return xfs_trans_get_buf_map(tp, target, &map, 1, flags); +} + +int xfs_trans_read_buf_map(struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buftarg *target, + struct xfs_buf_map *map, int nmaps, + xfs_buf_flags_t flags, + struct xfs_buf **bpp); + +static inline int +xfs_trans_read_buf( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buftarg *target, + xfs_daddr_t blkno, + int numblks, + xfs_buf_flags_t flags, + struct xfs_buf **bpp) +{ + struct xfs_buf_map map = { + .bm_bn = blkno, + .bm_len = numblks, + }; + return xfs_trans_read_buf_map(mp, tp, target, &map, 1, flags, bpp); +} + struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int); void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *); |