projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 65b3da37 | 1 | /* |
| ad723875 | 2 | * Copyright (c) 2005-2006 Silicon Graphics, Inc. |
| 7b718769 | 3 | * All Rights Reserved. |
| 65b3da37 | 4 | * |
| 7b718769 NS |
5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 65b3da37 CH |
7 | * published by the Free Software Foundation. |
| 8 | * | |
| 7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 65b3da37 | 13 | * |
| 7b718769 NS |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 65b3da37 CH |
17 | */ |
| 18 | #ifndef __XFS_AOPS_H__ | |
| 19 | #define __XFS_AOPS_H__ | |
| 20 | ||
| 21 | extern struct workqueue_struct *xfsdatad_workqueue; | |
| 22 | extern mempool_t *xfs_ioend_pool; | |
| 23 | ||
| f6d6d4fc CH |
24 | /* |
| 25 | * xfs_ioend struct manages large extent writes for XFS. | |
| 26 | * It can manage several multi-page bio's at once. | |
| 27 | */ | |
| 65b3da37 | 28 | typedef struct xfs_ioend { |
| f6d6d4fc CH |
29 | struct xfs_ioend *io_list; /* next ioend in chain */ |
| 30 | unsigned int io_type; /* delalloc / unwritten */ | |
| 7d04a335 | 31 | int io_error; /* I/O error code */ |
| 65b3da37 | 32 | atomic_t io_remaining; /* hold count */ |
| b677c210 | 33 | struct inode *io_inode; /* file being written to */ |
| c1a073bd | 34 | struct buffer_head *io_buffer_head;/* buffer linked list head */ |
| f6d6d4fc | 35 | struct buffer_head *io_buffer_tail;/* buffer linked list tail */ |
| 65b3da37 CH |
36 | size_t io_size; /* size of the extent */ |
| 37 | xfs_off_t io_offset; /* offset in the file */ | |
| 38 | struct work_struct io_work; /* xfsdatad work queue */ | |
| 39 | } xfs_ioend_t; | |
| 40 | ||
| f5e54d6e | 41 | extern const struct address_space_operations xfs_address_space_operations; |
| c2536668 | 42 | extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int); |
| f6d6d4fc | 43 | |
| 25e41b3d CH |
44 | extern void xfs_ioend_init(void); |
| 45 | extern void xfs_ioend_wait(struct xfs_inode *); | |
| 46 | ||
| ad723875 | 47 | #endif /* __XFS_AOPS_H__ */ |