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Subject[patch 09/26] mount options: fix capifs
From: Miklos Szeredi <mszeredi@suse.cz>

Add a .show_options super operation to capifs.

Use generic_show_options() and save the complete option string in
capifs_remount().

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
Index: linux/drivers/isdn/capi/capifs.c
===================================================================
--- linux.orig/drivers/isdn/capi/capifs.c 2007-10-09 22:31:38.000000000 +0200
+++ linux/drivers/isdn/capi/capifs.c 2008-01-24 11:37:42.000000000 +0100
@@ -52,6 +52,7 @@ static int capifs_remount(struct super_b
gid_t gid = 0;
umode_t mode = 0600;
char *this_char;
+ char *new_opt = kstrdup(data, GFP_KERNEL);

this_char = NULL;
while ((this_char = strsep(&data, ",")) != NULL) {
@@ -72,11 +73,16 @@ static int capifs_remount(struct super_b
return -EINVAL;
}
}
+
+ kfree(s->s_options);
+ s->s_options = new_opt;
+
config.setuid = setuid;
config.setgid = setgid;
config.uid = uid;
config.gid = gid;
config.mode = mode;
+
return 0;
}

@@ -84,6 +90,7 @@ static struct super_operations capifs_so
{
.statfs = simple_statfs,
.remount_fs = capifs_remount,
+ .show_options = generic_show_options,
};


--


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