From: Miklos Szeredi 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 Acked-by: Karsten Keil Signed-off-by: Andrew Morton --- drivers/isdn/capi/capifs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff -puN drivers/isdn/capi/capifs.c~mount-options-fix-capifs drivers/isdn/capi/capifs.c --- a/drivers/isdn/capi/capifs.c~mount-options-fix-capifs +++ a/drivers/isdn/capi/capifs.c @@ -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, }; _