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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-08 15:19:57 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-08 15:19:57 -0500
commit972b2c719990f91eb3b2310d44ef8a2d38955a14 (patch)
treeb25a250ec5bec4b7b6355d214642d8b57c5cab32 /Documentation/filesystems/debugfs.txt
parent02550d61f49266930e674286379d3601006b2893 (diff)
parentc3aa077648e147783a7a53b409578234647db853 (diff)
Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
* 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (165 commits) reiserfs: Properly display mount options in /proc/mounts vfs: prevent remount read-only if pending removes vfs: count unlinked inodes vfs: protect remounting superblock read-only vfs: keep list of mounts for each superblock vfs: switch ->show_options() to struct dentry * vfs: switch ->show_path() to struct dentry * vfs: switch ->show_devname() to struct dentry * vfs: switch ->show_stats to struct dentry * switch security_path_chmod() to struct path * vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb vfs: trim includes a bit switch mnt_namespace ->root to struct mount vfs: take /proc/*/mounts and friends to fs/proc_namespace.c vfs: opencode mntget() mnt_set_mountpoint() vfs: spread struct mount - remaining argument of next_mnt() vfs: move fsnotify junk to struct mount vfs: move mnt_devname vfs: move mnt_list to struct mount vfs: switch pnode.h macros to struct mount * ...
Diffstat (limited to 'Documentation/filesystems/debugfs.txt')
-rw-r--r--Documentation/filesystems/debugfs.txt24
1 files changed, 12 insertions, 12 deletions
diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
index f04066a37f4c..6872c91bce35 100644
--- a/Documentation/filesystems/debugfs.txt
+++ b/Documentation/filesystems/debugfs.txt
@@ -35,7 +35,7 @@ described below will work.
35 35
36The most general way to create a file within a debugfs directory is with: 36The most general way to create a file within a debugfs directory is with:
37 37
38 struct dentry *debugfs_create_file(const char *name, mode_t mode, 38 struct dentry *debugfs_create_file(const char *name, umode_t mode,
39 struct dentry *parent, void *data, 39 struct dentry *parent, void *data,
40 const struct file_operations *fops); 40 const struct file_operations *fops);
41 41
@@ -53,13 +53,13 @@ actually necessary; the debugfs code provides a number of helper functions
53for simple situations. Files containing a single integer value can be 53for simple situations. Files containing a single integer value can be
54created with any of: 54created with any of:
55 55
56 struct dentry *debugfs_create_u8(const char *name, mode_t mode, 56 struct dentry *debugfs_create_u8(const char *name, umode_t mode,
57 struct dentry *parent, u8 *value); 57 struct dentry *parent, u8 *value);
58 struct dentry *debugfs_create_u16(const char *name, mode_t mode, 58 struct dentry *debugfs_create_u16(const char *name, umode_t mode,
59 struct dentry *parent, u16 *value); 59 struct dentry *parent, u16 *value);
60 struct dentry *debugfs_create_u32(const char *name, mode_t mode, 60 struct dentry *debugfs_create_u32(const char *name, umode_t mode,
61 struct dentry *parent, u32 *value); 61 struct dentry *parent, u32 *value);
62 struct dentry *debugfs_create_u64(const char *name, mode_t mode, 62 struct dentry *debugfs_create_u64(const char *name, umode_t mode,
63 struct dentry *parent, u64 *value); 63 struct dentry *parent, u64 *value);
64 64
65These files support both reading and writing the given value; if a specific 65These files support both reading and writing the given value; if a specific
@@ -67,13 +67,13 @@ file should not be written to, simply set the mode bits accordingly. The
67values in these files are in decimal; if hexadecimal is more appropriate, 67values in these files are in decimal; if hexadecimal is more appropriate,
68the following functions can be used instead: 68the following functions can be used instead:
69 69
70 struct dentry *debugfs_create_x8(const char *name, mode_t mode, 70 struct dentry *debugfs_create_x8(const char *name, umode_t mode,
71 struct dentry *parent, u8 *value); 71 struct dentry *parent, u8 *value);
72 struct dentry *debugfs_create_x16(const char *name, mode_t mode, 72 struct dentry *debugfs_create_x16(const char *name, umode_t mode,
73 struct dentry *parent, u16 *value); 73 struct dentry *parent, u16 *value);
74 struct dentry *debugfs_create_x32(const char *name, mode_t mode, 74 struct dentry *debugfs_create_x32(const char *name, umode_t mode,
75 struct dentry *parent, u32 *value); 75 struct dentry *parent, u32 *value);
76 struct dentry *debugfs_create_x64(const char *name, mode_t mode, 76 struct dentry *debugfs_create_x64(const char *name, umode_t mode,
77 struct dentry *parent, u64 *value); 77 struct dentry *parent, u64 *value);
78 78
79These functions are useful as long as the developer knows the size of the 79These functions are useful as long as the developer knows the size of the
@@ -81,7 +81,7 @@ value to be exported. Some types can have different widths on different
81architectures, though, complicating the situation somewhat. There is a 81architectures, though, complicating the situation somewhat. There is a
82function meant to help out in one special case: 82function meant to help out in one special case:
83 83
84 struct dentry *debugfs_create_size_t(const char *name, mode_t mode, 84 struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
85 struct dentry *parent, 85 struct dentry *parent,
86 size_t *value); 86 size_t *value);
87 87
@@ -90,7 +90,7 @@ a variable of type size_t.
90 90
91Boolean values can be placed in debugfs with: 91Boolean values can be placed in debugfs with:
92 92
93 struct dentry *debugfs_create_bool(const char *name, mode_t mode, 93 struct dentry *debugfs_create_bool(const char *name, umode_t mode,
94 struct dentry *parent, u32 *value); 94 struct dentry *parent, u32 *value);
95 95
96A read on the resulting file will yield either Y (for non-zero values) or 96A read on the resulting file will yield either Y (for non-zero values) or
@@ -105,7 +105,7 @@ this structure and function:
105 unsigned long size; 105 unsigned long size;
106 }; 106 };
107 107
108 struct dentry *debugfs_create_blob(const char *name, mode_t mode, 108 struct dentry *debugfs_create_blob(const char *name, umode_t mode,
109 struct dentry *parent, 109 struct dentry *parent,
110 struct debugfs_blob_wrapper *blob); 110 struct debugfs_blob_wrapper *blob);
111 111