diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /Documentation/filesystems/devfs/boot-options |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'Documentation/filesystems/devfs/boot-options')
-rw-r--r-- | Documentation/filesystems/devfs/boot-options | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Documentation/filesystems/devfs/boot-options b/Documentation/filesystems/devfs/boot-options new file mode 100644 index 000000000000..df3d33b03e0a --- /dev/null +++ b/Documentation/filesystems/devfs/boot-options | |||
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1 | /* -*- auto-fill -*- */ | ||
2 | |||
3 | Device File System (devfs) Boot Options | ||
4 | |||
5 | Richard Gooch <rgooch@atnf.csiro.au> | ||
6 | |||
7 | 18-AUG-2001 | ||
8 | |||
9 | |||
10 | When CONFIG_DEVFS_DEBUG is enabled, you can pass several boot options | ||
11 | to the kernel to debug devfs. The boot options are prefixed by | ||
12 | "devfs=", and are separated by commas. Spaces are not allowed. The | ||
13 | syntax looks like this: | ||
14 | |||
15 | devfs=<option1>,<option2>,<option3> | ||
16 | |||
17 | and so on. For example, if you wanted to turn on debugging for module | ||
18 | load requests and device registration, you would do: | ||
19 | |||
20 | devfs=dmod,dreg | ||
21 | |||
22 | You may prefix "no" to any option. This will invert the option. | ||
23 | |||
24 | |||
25 | Debugging Options | ||
26 | ================= | ||
27 | |||
28 | These requires CONFIG_DEVFS_DEBUG to be enabled. | ||
29 | Note that all debugging options have 'd' as the first character. By | ||
30 | default all options are off. All debugging output is sent to the | ||
31 | kernel logs. The debugging options do not take effect until the devfs | ||
32 | version message appears (just prior to the root filesystem being | ||
33 | mounted). | ||
34 | |||
35 | These are the options: | ||
36 | |||
37 | dmod print module load requests to <request_module> | ||
38 | |||
39 | dreg print device register requests to <devfs_register> | ||
40 | |||
41 | dunreg print device unregister requests to <devfs_unregister> | ||
42 | |||
43 | dchange print device change requests to <devfs_set_flags> | ||
44 | |||
45 | dilookup print inode lookup requests | ||
46 | |||
47 | diget print VFS inode allocations | ||
48 | |||
49 | diunlink print inode unlinks | ||
50 | |||
51 | dichange print inode changes | ||
52 | |||
53 | dimknod print calls to mknod(2) | ||
54 | |||
55 | dall some debugging turned on | ||
56 | |||
57 | |||
58 | Other Options | ||
59 | ============= | ||
60 | |||
61 | These control the default behaviour of devfs. The options are: | ||
62 | |||
63 | mount mount devfs onto /dev at boot time | ||
64 | |||
65 | only disable non-devfs device nodes for devfs-capable drivers | ||