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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 18:37:24 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 18:37:24 -0500
commit7c7758f99d39d529a64d4f60d22129bbf2f16d74 (patch)
tree8847b5e56812fe4c4c812cfffc78e391a91f4ebe /fs
parent67acd8b4b7a3f1b183ae358e1dfdb8a80e170736 (diff)
parent8a70da82edc50aa7a4b54864babf2d72538ba1bb (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (123 commits) wimax/i2400m: add CREDITS and MAINTAINERS entries wimax: export linux/wimax.h and linux/wimax/i2400m.h with headers_install i2400m: Makefile and Kconfig i2400m/SDIO: TX and RX path backends i2400m/SDIO: firmware upload backend i2400m/SDIO: probe/disconnect, dev init/shutdown and reset backends i2400m/SDIO: header for the SDIO subdriver i2400m/USB: TX and RX path backends i2400m/USB: firmware upload backend i2400m/USB: probe/disconnect, dev init/shutdown and reset backends i2400m/USB: header for the USB bus driver i2400m: debugfs controls i2400m: various functions for device management i2400m: RX and TX data/control paths i2400m: firmware loading and bootrom initialization i2400m: linkage to the networking stack i2400m: Generic probe/disconnect, reset and message passing i2400m: host/device procotol and core driver definitions i2400m: documentation and instructions for usage wimax: Makefile, Kconfig and docbook linkage for the stack ...
Diffstat (limited to 'fs')
-rw-r--r--fs/debugfs/file.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 159a5efd6a8..33a90120f6a 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -294,6 +294,38 @@ struct dentry *debugfs_create_x32(const char *name, mode_t mode,
294} 294}
295EXPORT_SYMBOL_GPL(debugfs_create_x32); 295EXPORT_SYMBOL_GPL(debugfs_create_x32);
296 296
297
298static int debugfs_size_t_set(void *data, u64 val)
299{
300 *(size_t *)data = val;
301 return 0;
302}
303static int debugfs_size_t_get(void *data, u64 *val)
304{
305 *val = *(size_t *)data;
306 return 0;
307}
308DEFINE_SIMPLE_ATTRIBUTE(fops_size_t, debugfs_size_t_get, debugfs_size_t_set,
309 "%llu\n"); /* %llu and %zu are more or less the same */
310
311/**
312 * debugfs_create_size_t - create a debugfs file that is used to read and write an size_t value
313 * @name: a pointer to a string containing the name of the file to create.
314 * @mode: the permission that the file should have
315 * @parent: a pointer to the parent dentry for this file. This should be a
316 * directory dentry if set. If this parameter is %NULL, then the
317 * file will be created in the root of the debugfs filesystem.
318 * @value: a pointer to the variable that the file should read to and write
319 * from.
320 */
321struct dentry *debugfs_create_size_t(const char *name, mode_t mode,
322 struct dentry *parent, size_t *value)
323{
324 return debugfs_create_file(name, mode, parent, value, &fops_size_t);
325}
326EXPORT_SYMBOL_GPL(debugfs_create_size_t);
327
328
297static ssize_t read_file_bool(struct file *file, char __user *user_buf, 329static ssize_t read_file_bool(struct file *file, char __user *user_buf,
298 size_t count, loff_t *ppos) 330 size_t count, loff_t *ppos)
299{ 331{