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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-10-21 17:06:45 +0200
committerJonathan Corbet <corbet@lwn.net>2019-10-24 12:04:31 -0600
commit98919f4c9a3421695b182f0244b34b62045d08ff (patch)
tree60a49f405bf137a6a6c3684b1117c022dfe50424 /Documentation/filesystems
parentdc5fcc51a5d1ab740e906decc486bfb663e74444 (diff)
Documentation: debugfs: Document debugfs helper for unsigned long values
When debugfs_create_ulong() was added, it was not documented. Fixes: c23fe83138ed7b11 ("debugfs: Add debugfs_create_ulong()") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/debugfs.txt10
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
index 9e27c843d00e..2ca99152cb6e 100644
--- a/Documentation/filesystems/debugfs.txt
+++ b/Documentation/filesystems/debugfs.txt
@@ -93,8 +93,8 @@ the following functions can be used instead:
These functions are useful as long as the developer knows the size of the
value to be exported. Some types can have different widths on different
-architectures, though, complicating the situation somewhat. There is a
-function meant to help out in one special case:
+architectures, though, complicating the situation somewhat. There are
+functions meant to help out in such special cases:
struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
struct dentry *parent,
@@ -103,6 +103,12 @@ function meant to help out in one special case:
As might be expected, this function will create a debugfs file to represent
a variable of type size_t.
+Similarly, there is a helper for variables of type unsigned long:
+
+ struct dentry *debugfs_create_ulong(const char *name, umode_t mode,
+ struct dentry *parent,
+ unsigned long *value);
+
Boolean values can be placed in debugfs with:
struct dentry *debugfs_create_bool(const char *name, umode_t mode,