diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_aops.h')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h index 4720758a9ade..55339dd5a30d 100644 --- a/fs/xfs/linux-2.6/xfs_aops.h +++ b/fs/xfs/linux-2.6/xfs_aops.h @@ -23,14 +23,24 @@ extern mempool_t *xfs_ioend_pool; typedef void (*xfs_ioend_func_t)(void *); +/* + * xfs_ioend struct manages large extent writes for XFS. + * It can manage several multi-page bio's at once. + */ typedef struct xfs_ioend { + struct xfs_ioend *io_list; /* next ioend in chain */ + unsigned int io_type; /* delalloc / unwritten */ unsigned int io_uptodate; /* I/O status register */ atomic_t io_remaining; /* hold count */ struct vnode *io_vnode; /* file being written to */ struct buffer_head *io_buffer_head;/* buffer linked list head */ + struct buffer_head *io_buffer_tail;/* buffer linked list tail */ size_t io_size; /* size of the extent */ xfs_off_t io_offset; /* offset in the file */ struct work_struct io_work; /* xfsdatad work queue */ } xfs_ioend_t; +extern struct address_space_operations linvfs_aops; +extern int linvfs_get_block(struct inode *, sector_t, struct buffer_head *, int); + #endif /* __XFS_IOPS_H__ */ |