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
30 #if defined(XFS_RW_TRACE)
32 * Defines for the trace mechanisms in xfs_lrw.c.
34 #define XFS_RW_KTRACE_SIZE 128
36 #define XFS_READ_ENTER 1
37 #define XFS_WRITE_ENTER 2
38 #define XFS_IOMAP_READ_ENTER 3
39 #define XFS_IOMAP_WRITE_ENTER 4
40 #define XFS_IOMAP_READ_MAP 5
41 #define XFS_IOMAP_WRITE_MAP 6
42 #define XFS_IOMAP_WRITE_NOSPACE 7
43 #define XFS_ITRUNC_START 8
44 #define XFS_ITRUNC_FINISH1 9
45 #define XFS_ITRUNC_FINISH2 10
46 #define XFS_CTRUNC1 11
47 #define XFS_CTRUNC2 12
48 #define XFS_CTRUNC3 13
49 #define XFS_CTRUNC4 14
50 #define XFS_CTRUNC5 15
51 #define XFS_CTRUNC6 16
53 #define XFS_INVAL_CACHED 18
54 #define XFS_DIORD_ENTER 19
55 #define XFS_DIOWR_ENTER 20
56 #define XFS_SENDFILE_ENTER 21
57 #define XFS_WRITEPAGE_ENTER 22
58 #define XFS_RELEASEPAGE_ENTER 23
59 #define XFS_INVALIDPAGE_ENTER 24
60 #define XFS_IOMAP_ALLOC_ENTER 25
61 #define XFS_IOMAP_ALLOC_MAP 26
62 #define XFS_IOMAP_UNWRITTEN 27
63 #define XFS_SPLICE_READ_ENTER 28
64 #define XFS_SPLICE_WRITE_ENTER 29
65 extern void xfs_rw_enter_trace(int, struct xfs_iocore *,
66 void *, size_t, loff_t, int);
67 extern void xfs_inval_cached_trace(struct xfs_iocore *,
68 xfs_off_t, xfs_off_t, xfs_off_t, xfs_off_t);
70 #define xfs_rw_enter_trace(tag, io, data, size, offset, ioflags)
71 #define xfs_inval_cached_trace(io, offset, len, first, last)
74 extern int xfs_bmap(struct bhv_desc *, xfs_off_t, ssize_t, int,
75 struct xfs_iomap *, int *);
76 extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
77 extern int xfs_bdstrat_cb(struct xfs_buf *);
78 extern int xfs_dev_is_read_only(struct xfs_mount *, char *);
80 extern int xfs_zero_eof(struct bhv_vnode *, struct xfs_iocore *, xfs_off_t,
82 extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *,
83 const struct iovec *, unsigned int,
84 loff_t *, int, struct cred *);
85 extern ssize_t xfs_write(struct bhv_desc *, struct kiocb *,
86 const struct iovec *, unsigned int,
87 loff_t *, int, struct cred *);
88 extern ssize_t xfs_splice_read(struct bhv_desc *, struct file *, loff_t *,
89 struct pipe_inode_info *, size_t, int, int,
91 extern ssize_t xfs_splice_write(struct bhv_desc *, struct pipe_inode_info *,
92 struct file *, loff_t *, size_t, int, int,
95 #endif /* __XFS_LRW_H__ */