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-rw-r--r--fs/debugfs/file.c41
1 files changed, 35 insertions, 6 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index a9b99c0dc2e7..fa6b7f7ff914 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -227,15 +227,24 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_x16, debugfs_u16_get, debugfs_u16_set, "0x%04llx\n"
227 227
228DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n"); 228DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n");
229 229
230/** 230/*
231 * debugfs_create_x8 - create a debugfs file that is used to read and write an unsigned 8-bit value 231 * debugfs_create_x{8,16,32} - create a debugfs file that is used to read and write an unsigned {8,16,32}-bit value
232 * debugfs_create_x16 - create a debugfs file that is used to read and write an unsigned 16-bit value
233 * debugfs_create_x32 - create a debugfs file that is used to read and write an unsigned 32-bit value
234 * 232 *
235 * These functions are exactly the same as the above functions, (but use a hex 233 * These functions are exactly the same as the above functions (but use a hex
236 * output for the decimal challenged) for details look at the above unsigned 234 * output for the decimal challenged). For details look at the above unsigned
237 * decimal functions. 235 * decimal functions.
238 */ 236 */
237
238/**
239 * debugfs_create_x8 - create a debugfs file that is used to read and write an unsigned 8-bit value
240 * @name: a pointer to a string containing the name of the file to create.
241 * @mode: the permission that the file should have
242 * @parent: a pointer to the parent dentry for this file. This should be a
243 * directory dentry if set. If this parameter is %NULL, then the
244 * file will be created in the root of the debugfs filesystem.
245 * @value: a pointer to the variable that the file should read to and write
246 * from.
247 */
239struct dentry *debugfs_create_x8(const char *name, mode_t mode, 248struct dentry *debugfs_create_x8(const char *name, mode_t mode,
240 struct dentry *parent, u8 *value) 249 struct dentry *parent, u8 *value)
241{ 250{
@@ -243,6 +252,16 @@ struct dentry *debugfs_create_x8(const char *name, mode_t mode,
243} 252}
244EXPORT_SYMBOL_GPL(debugfs_create_x8); 253EXPORT_SYMBOL_GPL(debugfs_create_x8);
245 254
255/**
256 * debugfs_create_x16 - create a debugfs file that is used to read and write an unsigned 16-bit value
257 * @name: a pointer to a string containing the name of the file to create.
258 * @mode: the permission that the file should have
259 * @parent: a pointer to the parent dentry for this file. This should be a
260 * directory dentry if set. If this parameter is %NULL, then the
261 * file will be created in the root of the debugfs filesystem.
262 * @value: a pointer to the variable that the file should read to and write
263 * from.
264 */
246struct dentry *debugfs_create_x16(const char *name, mode_t mode, 265struct dentry *debugfs_create_x16(const char *name, mode_t mode,
247 struct dentry *parent, u16 *value) 266 struct dentry *parent, u16 *value)
248{ 267{
@@ -250,6 +269,16 @@ struct dentry *debugfs_create_x16(const char *name, mode_t mode,
250} 269}
251EXPORT_SYMBOL_GPL(debugfs_create_x16); 270EXPORT_SYMBOL_GPL(debugfs_create_x16);
252 271
272/**
273 * debugfs_create_x32 - create a debugfs file that is used to read and write an unsigned 32-bit value
274 * @name: a pointer to a string containing the name of the file to create.
275 * @mode: the permission that the file should have
276 * @parent: a pointer to the parent dentry for this file. This should be a
277 * directory dentry if set. If this parameter is %NULL, then the
278 * file will be created in the root of the debugfs filesystem.
279 * @value: a pointer to the variable that the file should read to and write
280 * from.
281 */
253struct dentry *debugfs_create_x32(const char *name, mode_t mode, 282struct dentry *debugfs_create_x32(const char *name, mode_t mode,
254 struct dentry *parent, u32 *value) 283 struct dentry *parent, u32 *value)
255{ 284{