2 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
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
7 * published by the Free Software Foundation.
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.
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
27 #if defined(XFS_RW_TRACE)
29 * Defines for the trace mechanisms in xfs_lrw.c.
31 #define XFS_RW_KTRACE_SIZE 128
33 #define XFS_READ_ENTER 1
34 #define XFS_WRITE_ENTER 2
35 #define XFS_IOMAP_READ_ENTER 3
36 #define XFS_IOMAP_WRITE_ENTER 4
37 #define XFS_IOMAP_READ_MAP 5
38 #define XFS_IOMAP_WRITE_MAP 6
39 #define XFS_IOMAP_WRITE_NOSPACE 7
40 #define XFS_ITRUNC_START 8
41 #define XFS_ITRUNC_FINISH1 9
42 #define XFS_ITRUNC_FINISH2 10
43 #define XFS_CTRUNC1 11
44 #define XFS_CTRUNC2 12
45 #define XFS_CTRUNC3 13
46 #define XFS_CTRUNC4 14
47 #define XFS_CTRUNC5 15
48 #define XFS_CTRUNC6 16
50 #define XFS_INVAL_CACHED 18
51 #define XFS_DIORD_ENTER 19
52 #define XFS_DIOWR_ENTER 20
53 #define XFS_WRITEPAGE_ENTER 22
54 #define XFS_RELEASEPAGE_ENTER 23
55 #define XFS_INVALIDPAGE_ENTER 24
56 #define XFS_IOMAP_ALLOC_ENTER 25
57 #define XFS_IOMAP_ALLOC_MAP 26
58 #define XFS_IOMAP_UNWRITTEN 27
59 #define XFS_SPLICE_READ_ENTER 28
60 #define XFS_SPLICE_WRITE_ENTER 29
61 extern void xfs_rw_enter_trace(int, struct xfs_inode *,
62 void *, size_t, loff_t, int);
63 extern void xfs_inval_cached_trace(struct xfs_inode *,
64 xfs_off_t, xfs_off_t, xfs_off_t, xfs_off_t);
66 #define xfs_rw_enter_trace(tag, ip, data, size, offset, ioflags)
67 #define xfs_inval_cached_trace(ip, offset, len, first, last)
70 /* errors from xfsbdstrat() must be extracted from the buffer */
71 extern void xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
72 extern int xfs_bdstrat_cb(struct xfs_buf *);
73 extern int xfs_dev_is_read_only(struct xfs_mount *, char *);
75 extern int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
77 #endif /* __XFS_LRW_H__ */