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authorRichard Fitzgerald <rf@opensource.wolfsonmicro.com>2015-06-23 16:32:54 +0300
committerMark Brown <broonie@kernel.org>2015-07-20 20:44:50 +0300
commit0642ef6f2992eba46c41abb5ceb7d4fa14ba888e (patch)
treefd4fe479afa4f75a2b599ef3f450d9fee5b7ff6e /fs/debugfs
parentbc0195aad0daa2ad5b0d76cce22b167bc3435590 (diff)
downloadlinux-0642ef6f2992eba46c41abb5ceb7d4fa14ba888e.tar.xz
debugfs: Export bool read/write functions
The file read/write functions for bools have no special dependencies on debugfs internals and are sufficiently non-trivial to be worth exporting so clients can re-use the implementation. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'fs/debugfs')
-rw-r--r--fs/debugfs/file.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 284f9aa0028b..6c55ade071c3 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -435,8 +435,8 @@ struct dentry *debugfs_create_atomic_t(const char *name, umode_t mode,
}
EXPORT_SYMBOL_GPL(debugfs_create_atomic_t);
-static ssize_t read_file_bool(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
+ssize_t debugfs_read_file_bool(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
{
char buf[3];
u32 *val = file->private_data;
@@ -449,9 +449,10 @@ static ssize_t read_file_bool(struct file *file, char __user *user_buf,
buf[2] = 0x00;
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
}
+EXPORT_SYMBOL_GPL(debugfs_read_file_bool);
-static ssize_t write_file_bool(struct file *file, const char __user *user_buf,
- size_t count, loff_t *ppos)
+ssize_t debugfs_write_file_bool(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
{
char buf[32];
size_t buf_size;
@@ -468,10 +469,11 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf,
return count;
}
+EXPORT_SYMBOL_GPL(debugfs_write_file_bool);
static const struct file_operations fops_bool = {
- .read = read_file_bool,
- .write = write_file_bool,
+ .read = debugfs_read_file_bool,
+ .write = debugfs_write_file_bool,
.open = simple_open,
.llseek = default_llseek,
};