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| author | Chris Mason <chris.mason@oracle.com> | 2007-04-10 15:27:04 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-04-10 15:27:04 +0200 |
| commit | c5739bba5260a59cebd20a51a55080592c8d3b07 (patch) | |
| tree | ff33f7acddcfc60e7395209ff949bb9d90afda32 /fs/btrfs/ioctl.h | |
| parent | Btrfs: groundwork for subvolume and snapshot roots (diff) | |
| download | linux-c5739bba5260a59cebd20a51a55080592c8d3b07.tar.xz linux-c5739bba5260a59cebd20a51a55080592c8d3b07.zip | |
Btrfs: snapshot progress
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ioctl.h')
| -rw-r--r-- | fs/btrfs/ioctl.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h new file mode 100644 index 000000000000..201fb3270723 --- /dev/null +++ b/fs/btrfs/ioctl.h @@ -0,0 +1,13 @@ +#ifndef __IOCTL_ +#define __IOCTL_ +#include <linux/ioctl.h> + +#define BTRFS_IOCTL_MAGIC 0x94 +#define BTRFS_VOL_NAME_MAX 255 +struct btrfs_ioctl_vol_args { + char name[BTRFS_VOL_NAME_MAX + 1]; +}; + +#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ + struct btrfs_ioctl_vol_args) +#endif |