diff options
Diffstat (limited to 'fs/xfs/xfs_bmap.h')
| -rw-r--r-- | fs/xfs/xfs_bmap.h | 50 |
1 files changed, 13 insertions, 37 deletions
diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index c70c19c7f1fa..be235f56d2a6 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -62,25 +62,23 @@ typedef struct xfs_bmap_free #define XFS_BMAP_MAX_NMAP 4 /* - * Flags for xfs_bmapi + * Flags for xfs_bmapi_* */ -#define XFS_BMAPI_WRITE 0x001 /* write operation: allocate space */ -#define XFS_BMAPI_ENTIRE 0x004 /* return entire extent, not trimmed */ -#define XFS_BMAPI_METADATA 0x008 /* mapping metadata not user data */ -#define XFS_BMAPI_ATTRFORK 0x010 /* use attribute fork not data */ -#define XFS_BMAPI_PREALLOC 0x040 /* preallocation op: unwritten space */ -#define XFS_BMAPI_IGSTATE 0x080 /* Ignore state - */ +#define XFS_BMAPI_ENTIRE 0x001 /* return entire extent, not trimmed */ +#define XFS_BMAPI_METADATA 0x002 /* mapping metadata not user data */ +#define XFS_BMAPI_ATTRFORK 0x004 /* use attribute fork not data */ +#define XFS_BMAPI_PREALLOC 0x008 /* preallocation op: unwritten space */ +#define XFS_BMAPI_IGSTATE 0x010 /* Ignore state - */ /* combine contig. space */ -#define XFS_BMAPI_CONTIG 0x100 /* must allocate only one extent */ +#define XFS_BMAPI_CONTIG 0x020 /* must allocate only one extent */ /* * unwritten extent conversion - this needs write cache flushing and no additional * allocation alignments. When specified with XFS_BMAPI_PREALLOC it converts * from written to unwritten, otherwise convert from unwritten to written. */ -#define XFS_BMAPI_CONVERT 0x200 +#define XFS_BMAPI_CONVERT 0x040 #define XFS_BMAPI_FLAGS \ - { XFS_BMAPI_WRITE, "WRITE" }, \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ { XFS_BMAPI_ATTRFORK, "ATTRFORK" }, \ @@ -265,39 +263,17 @@ xfs_bmap_read_extents( struct xfs_inode *ip, /* incore inode */ int whichfork); /* data or attr fork */ -/* - * Map file blocks to filesystem blocks. - * File range is given by the bno/len pair. - * Adds blocks to file if a write ("flags & XFS_BMAPI_WRITE" set) - * into a hole or past eof. - * Only allocates blocks from a single allocation group, - * to avoid locking problems. - * The returned value in "firstblock" from the first call in a transaction - * must be remembered and presented to subsequent calls in "firstblock". - * An upper bound for the number of blocks to be allocated is supplied to - * the first call in "total"; if no allocation group has that many free - * blocks then the call will fail (return NULLFSBLOCK in "firstblock"). - */ -int /* error */ -xfs_bmapi( - struct xfs_trans *tp, /* transaction pointer */ - struct xfs_inode *ip, /* incore inode */ - xfs_fileoff_t bno, /* starting file offs. mapped */ - xfs_filblks_t len, /* length to map in file */ - int flags, /* XFS_BMAPI_... */ - xfs_fsblock_t *firstblock, /* first allocated block - controls a.g. for allocs */ - xfs_extlen_t total, /* total blocks needed */ - struct xfs_bmbt_irec *mval, /* output: map values */ - int *nmap, /* i/o: mval size/count */ - xfs_bmap_free_t *flist); /* i/o: list extents to free */ - int xfs_bmapi_read(struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags); int xfs_bmapi_delay(struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags); +int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, + xfs_fileoff_t bno, xfs_filblks_t len, int flags, + xfs_fsblock_t *firstblock, xfs_extlen_t total, + struct xfs_bmbt_irec *mval, int *nmap, + struct xfs_bmap_free *flist); /* * Unmap (remove) blocks from a file. |
