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| author | Peter Zijlstra <peterz@infradead.org> | 2021-03-25 12:53:55 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-04-16 18:06:34 +0300 |
| commit | 9af0440ec86ebdab075e1b3d231f81fe7decb575 (patch) | |
| tree | ad6f58811470077a32fdebe12252d3677238d496 /include/linux/debugfs.h | |
| parent | 1011dcce99f8026d48fdd7b9cc259e32a8b472be (diff) | |
| download | linux-9af0440ec86ebdab075e1b3d231f81fe7decb575.tar.xz | |
debugfs: Implement debugfs_create_str()
Implement debugfs_create_str() to easily display names and such in
debugfs.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
Link: https://lkml.kernel.org/r/20210412102001.415407080@infradead.org
Diffstat (limited to 'include/linux/debugfs.h')
| -rw-r--r-- | include/linux/debugfs.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index d6c4cc9ecc77..1fdb4343af9c 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -128,6 +128,8 @@ void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, atomic_t *value); struct dentry *debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, bool *value); +void debugfs_create_str(const char *name, umode_t mode, + struct dentry *parent, char **value); struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, @@ -156,6 +158,9 @@ ssize_t debugfs_read_file_bool(struct file *file, char __user *user_buf, ssize_t debugfs_write_file_bool(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos); +ssize_t debugfs_read_file_str(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos); + #else #include <linux/err.h> @@ -297,6 +302,11 @@ static inline struct dentry *debugfs_create_bool(const char *name, umode_t mode, return ERR_PTR(-ENODEV); } +static inline void debugfs_create_str(const char *name, umode_t mode, + struct dentry *parent, + char **value) +{ } + static inline struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *blob) @@ -348,6 +358,13 @@ static inline ssize_t debugfs_write_file_bool(struct file *file, return -ENODEV; } +static inline ssize_t debugfs_read_file_str(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + return -ENODEV; +} + #endif /** |