diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.h | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index f6b73f1bad5f..4b721d935994 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -158,7 +158,7 @@ static inline bool xfs_bmap_is_real_extent(const struct xfs_bmbt_irec *irec) * Return true if the extent is a real, allocated extent, or false if it is a * delayed allocation, and unwritten extent or a hole. */ -static inline bool xfs_bmap_is_written_extent(struct xfs_bmbt_irec *irec) +static inline bool xfs_bmap_is_written_extent(const struct xfs_bmbt_irec *irec) { return xfs_bmap_is_real_extent(irec) && irec->br_state != XFS_EXT_UNWRITTEN; @@ -176,9 +176,16 @@ int xfs_bmap_longest_free_extent(struct xfs_perag *pag, void xfs_trim_extent(struct xfs_bmbt_irec *irec, xfs_fileoff_t bno, xfs_filblks_t len); unsigned int xfs_bmap_compute_attr_offset(struct xfs_mount *mp); -int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); +int xfs_bmap_add_attrfork(struct xfs_trans *tp, struct xfs_inode *ip, + int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_trans *tp, struct xfs_inode *ip, int whichfork); +int xfs_bmap_local_to_extents(struct xfs_trans *tp, struct xfs_inode *ip, + xfs_extlen_t total, int *logflagsp, int whichfork, + void (*init_fn)(struct xfs_trans *tp, struct xfs_buf *bp, + struct xfs_inode *ip, struct xfs_ifork *ifp, + void *priv), + void *priv); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); @@ -195,7 +202,7 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, uint32_t flags, xfs_extnum_t nexts, int *done); -int xfs_bmap_del_extent_delay(struct xfs_inode *ip, int whichfork, +void xfs_bmap_del_extent_delay(struct xfs_inode *ip, int whichfork, struct xfs_iext_cursor *cur, struct xfs_bmbt_irec *got, struct xfs_bmbt_irec *del); void xfs_bmap_del_extent_cow(struct xfs_inode *ip, @@ -232,23 +239,24 @@ enum xfs_bmap_intent_type { XFS_BMAP_UNMAP, }; +#define XFS_BMAP_INTENT_STRINGS \ + { XFS_BMAP_MAP, "map" }, \ + { XFS_BMAP_UNMAP, "unmap" } + struct xfs_bmap_intent { struct list_head bi_list; enum xfs_bmap_intent_type bi_type; int bi_whichfork; struct xfs_inode *bi_owner; - struct xfs_perag *bi_pag; + struct xfs_group *bi_group; struct xfs_bmbt_irec bi_bmap; }; -void xfs_bmap_update_get_group(struct xfs_mount *mp, - struct xfs_bmap_intent *bi); - int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_bmap_intent *bi); void xfs_bmap_map_extent(struct xfs_trans *tp, struct xfs_inode *ip, - struct xfs_bmbt_irec *imap); + int whichfork, struct xfs_bmbt_irec *imap); void xfs_bmap_unmap_extent(struct xfs_trans *tp, struct xfs_inode *ip, - struct xfs_bmbt_irec *imap); + int whichfork, struct xfs_bmbt_irec *imap); static inline uint32_t xfs_bmap_fork_to_state(int whichfork) { @@ -280,4 +288,15 @@ extern struct kmem_cache *xfs_bmap_intent_cache; int __init xfs_bmap_intent_init_cache(void); void xfs_bmap_intent_destroy_cache(void); +typedef int (*xfs_bmap_query_range_fn)( + struct xfs_btree_cur *cur, + struct xfs_bmbt_irec *rec, + void *priv); + +int xfs_bmap_query_all(struct xfs_btree_cur *cur, xfs_bmap_query_range_fn fn, + void *priv); + +xfs_extlen_t xfs_get_extsz_hint(struct xfs_inode *ip); +xfs_extlen_t xfs_get_cowextsz_hint(struct xfs_inode *ip); + #endif /* __XFS_BMAP_H__ */ |