Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2e4f3c02239d4c7c454604715db619bc971b15eb
Commit: 2e4f3c02239d4c7c454604715db619bc971b15eb
Parent: 8dd70705c4a7a3110076da412333c90d773bbb63
Author: Miklos Szeredi <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 24 20:34:07 2008 +0100
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Fri Feb 1 14:35:06 2008 -0800
USB: mount options: fix usbfs
Add a .show_options super operation to usbfs.
Signed-off-by: Miklos Szeredi <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/inode.c | 42 ++++++++++++++++++++++++++++++++++++------
1 files changed, 36 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index cd4f111..83a373e 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -38,10 +38,15 @@
#include <linux/usbdevice_fs.h>
#include <linux/parser.h>
#include <linux/notifier.h>
+#include <linux/seq_file.h>
#include <asm/byteorder.h>
#include "usb.h"
#include "hcd.h"
+#define USBFS_DEFAULT_DEVMODE (S_IWUSR | S_IRUGO)
+#define USBFS_DEFAULT_BUSMODE (S_IXUGO | S_IRUGO)
+#define USBFS_DEFAULT_LISTMODE S_IRUGO
+
static struct super_operations usbfs_ops;
static const struct file_operations default_file_operations;
static struct vfsmount *usbfs_mount;
@@ -57,9 +62,33 @@ static uid_t listuid; /* = 0 */
static gid_t devgid; /* = 0 */
static gid_t busgid; /* = 0 */
static gid_t listgid; /* = 0 */
-static umode_t devmode = S_IWUSR | S_IRUGO;
-static umode_t busmode = S_IXUGO | S_IRUGO;
-static umode_t listmode = S_IRUGO;
+static umode_t devmode = USBFS_DEFAULT_DEVMODE;
+static umode_t busmode = USBFS_DEFAULT_BUSMODE;
+static umode_t listmode = USBFS_DEFAULT_LISTMODE;
+
+static int usbfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
+{
+ if (devuid != 0)
+ seq_printf(seq, ",devuid=%u", devuid);
+ if (devgid != 0)
+ seq_printf(seq, ",devgid=%u", devgid);
+ if (devmode != USBFS_DEFAULT_DEVMODE)
+ seq_printf(seq, ",devmode=%o", devmode);
+ if (busuid != 0)
+ seq_printf(seq, ",busuid=%u", busuid);
+ if (busgid != 0)
+ seq_printf(seq, ",busgid=%u", busgid);
+ if (busmode != USBFS_DEFAULT_BUSMODE)
+ seq_printf(seq, ",busmode=%o", busmode);
+ if (listuid != 0)
+ seq_printf(seq, ",listuid=%u", listuid);
+ if (listgid != 0)
+ seq_printf(seq, ",listgid=%u", listgid);
+ if (listmode != USBFS_DEFAULT_LISTMODE)
+ seq_printf(seq, ",listmode=%o", listmode);
+
+ return 0;
+}
enum {
Opt_devuid, Opt_devgid, Opt_devmode,
@@ -93,9 +122,9 @@ static int parse_options(struct super_block *s, char *data)
devgid = 0;
busgid = 0;
listgid = 0;
- devmode = S_IWUSR | S_IRUGO;
- busmode = S_IXUGO | S_IRUGO;
- listmode = S_IRUGO;
+ devmode = USBFS_DEFAULT_DEVMODE;
+ busmode = USBFS_DEFAULT_BUSMODE;
+ listmode = USBFS_DEFAULT_LISTMODE;
while ((p = strsep(&data, ",")) != NULL) {
substring_t args[MAX_OPT_ARGS];
@@ -418,6 +447,7 @@ static struct super_operations usbfs_ops = {
.statfs = simple_statfs,
.drop_inode = generic_delete_inode,
.remount_fs = remount,
+ .show_options = usbfs_show_options,
};
static int usbfs_fill_super(struct super_block *sb, void *data, int silent)
-
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