| /* |
| * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __XFS_LRW_H__ |
| #define __XFS_LRW_H__ |
| |
| struct xfs_mount; |
| struct xfs_iocore; |
| struct xfs_inode; |
| struct xfs_bmbt_irec; |
| struct xfs_buf; |
| struct xfs_iomap; |
| |
| #if defined(XFS_RW_TRACE) |
| /* |
| * Defines for the trace mechanisms in xfs_lrw.c. |
| */ |
| #define XFS_RW_KTRACE_SIZE 128 |
| |
| #define XFS_READ_ENTER 1 |
| #define XFS_WRITE_ENTER 2 |
| #define XFS_IOMAP_READ_ENTER 3 |
| #define XFS_IOMAP_WRITE_ENTER 4 |
| #define XFS_IOMAP_READ_MAP 5 |
| #define XFS_IOMAP_WRITE_MAP 6 |
| #define XFS_IOMAP_WRITE_NOSPACE 7 |
| #define XFS_ITRUNC_START 8 |
| #define XFS_ITRUNC_FINISH1 9 |
| #define XFS_ITRUNC_FINISH2 10 |
| #define XFS_CTRUNC1 11 |
| #define XFS_CTRUNC2 12 |
| #define XFS_CTRUNC3 13 |
| #define XFS_CTRUNC4 14 |
| #define XFS_CTRUNC5 15 |
| #define XFS_CTRUNC6 16 |
| #define XFS_BUNMAP 17 |
| #define XFS_INVAL_CACHED 18 |
| #define XFS_DIORD_ENTER 19 |
| #define XFS_DIOWR_ENTER 20 |
| #define XFS_SENDFILE_ENTER 21 |
| #define XFS_WRITEPAGE_ENTER 22 |
| #define XFS_RELEASEPAGE_ENTER 23 |
| #define XFS_INVALIDPAGE_ENTER 24 |
| #define XFS_IOMAP_ALLOC_ENTER 25 |
| #define XFS_IOMAP_ALLOC_MAP 26 |
| #define XFS_IOMAP_UNWRITTEN 27 |
| #define XFS_SPLICE_READ_ENTER 28 |
| #define XFS_SPLICE_WRITE_ENTER 29 |
| extern void xfs_rw_enter_trace(int, struct xfs_iocore *, |
| void *, size_t, loff_t, int); |
| extern void xfs_inval_cached_trace(struct xfs_iocore *, |
| xfs_off_t, xfs_off_t, xfs_off_t, xfs_off_t); |
| #else |
| #define xfs_rw_enter_trace(tag, io, data, size, offset, ioflags) |
| #define xfs_inval_cached_trace(io, offset, len, first, last) |
| #endif |
| |
| extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *); |
| extern int xfs_bdstrat_cb(struct xfs_buf *); |
| extern int xfs_dev_is_read_only(struct xfs_mount *, char *); |
| |
| extern int xfs_zero_eof(struct inode *, struct xfs_iocore *, xfs_off_t, |
| xfs_fsize_t); |
| |
| #endif /* __XFS_LRW_H__ */ |
