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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-01-22 10:03:02 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-01-22 10:03:02 +0100 |
| commit | 6552ebae25ffd57574c6e72d17fce67fea08b918 (patch) | |
| tree | cde6cc932c7e47d818154b011dfd8a6997d5c18e /fs/btrfs/super.c | |
| parent | rcu: remove duplicate CONFIG_RCU_CPU_STALL_DETECTOR (diff) | |
| parent | debugobjects: add and use INIT_WORK_ON_STACK (diff) | |
| download | linux-6552ebae25ffd57574c6e72d17fce67fea08b918.tar.xz linux-6552ebae25ffd57574c6e72d17fce67fea08b918.zip | |
Merge branch 'core/debugobjects' into core/urgent
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 0a14b495532f..db9fb3bc1e33 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -38,6 +38,7 @@ #include <linux/namei.h> #include <linux/miscdevice.h> #include <linux/version.h> +#include <linux/magic.h> #include "compat.h" #include "ctree.h" #include "disk-io.h" @@ -51,7 +52,6 @@ #include "export.h" #include "compression.h" -#define BTRFS_SUPER_MAGIC 0x9123683E static struct super_operations btrfs_super_ops; @@ -582,7 +582,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, { struct btrfs_ioctl_vol_args *vol; struct btrfs_fs_devices *fs_devices; - int ret = 0; + int ret = -ENOTTY; int len; if (!capable(CAP_SYS_ADMIN)) @@ -594,6 +594,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, goto out; } len = strnlen(vol->name, BTRFS_PATH_NAME_MAX); + switch (cmd) { case BTRFS_IOC_SCAN_DEV: ret = btrfs_scan_one_device(vol->name, FMODE_READ, |