diff options
Diffstat (limited to 'fs/xfs/xfs_iomap.h')
| -rw-r--r-- | fs/xfs/xfs_iomap.h | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index d2f3b67..ba49a4f 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -47,35 +47,11 @@ typedef enum { { BMAPI_MMAP, "MMAP" }, \ { BMAPI_TRYLOCK, "TRYLOCK" } -/* - * xfs_iomap_t: File system I/O map - * - * The iomap_bn field is expressed in 512-byte blocks, and is where the - * mapping starts on disk. - * - * The iomap_offset, iomap_bsize and iomap_delta fields are in bytes. - * iomap_offset is the offset of the mapping in the file itself. - * iomap_bsize is the size of the mapping, iomap_delta is the - * desired data's offset into the mapping, given the offset supplied - * to the file I/O map routine. - * - * When a request is made to read beyond the logical end of the object, - * iomap_size may be set to 0, but iomap_offset and iomap_length should be set - * to the actual amount of underlying storage that has been allocated, if any. - */ - -typedef struct xfs_iomap { - xfs_daddr_t iomap_bn; /* first 512B blk of mapping */ - xfs_off_t iomap_offset; /* offset of mapping, bytes */ - xfs_off_t iomap_bsize; /* size of mapping, bytes */ - iomap_flags_t iomap_flags; -} xfs_iomap_t; - struct xfs_inode; struct xfs_bmbt_irec; extern int xfs_iomap(struct xfs_inode *, xfs_off_t, ssize_t, int, - struct xfs_iomap *, int *); + struct xfs_bmbt_irec *, int *, int *); extern int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t, int, struct xfs_bmbt_irec *, int *, int); extern int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t, int, |