diff options
| author | Andreas Philipp <philipp.andreas@gmail.com> | 2011-04-26 10:02:40 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-10-25 09:18:57 -0400 |
| commit | 501a867d36de284947fe2bd3a72685345672a811 (patch) | |
| tree | 8915eee814a71bb2df19ddd870e7c2839a6a3a1c | |
| parent | fa81a569ac5e4ca426cd8e3fc8a0f181c58a8fae (diff) | |
Added support for an additional ioctl.
Added BTRFS_IOC_SNAP_CREATE_V2 and struct btrfs_ioctl_vol_args_v2 as
defined in fs/btrfs/ioctl.h in the kernel sources.
Signed-off-by: Andreas Philipp <philipp.andreas@gmail.com>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
| -rw-r--r-- | ioctl.h | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -30,6 +30,20 @@ struct btrfs_ioctl_vol_args { char name[BTRFS_PATH_NAME_MAX + 1]; }; +#define BTRFS_SUBVOL_RDONLY (1ULL << 1) +#define BTRFS_SUBVOL_NAME_MAX 4039 + +struct btrfs_ioctl_vol_args_v2 { + __s64 fd; + __u64 transid; + __u64 flags; + __u64 unused[4]; + char name[BTRFS_SUBVOL_NAME_MAX + 1]; +}; + +#define BTRFS_FSID_SIZE 16 +#define BTRFS_UUID_SIZE 16 + struct btrfs_ioctl_search_key { /* which root are we searching. 0 is the tree of tree roots */ __u64 tree_id; @@ -139,6 +153,7 @@ struct btrfs_ioctl_space_args { struct btrfs_ioctl_space_info spaces[0]; }; +/* BTRFS_IOC_SNAP_CREATE is no longer used by the btrfs command */ #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ struct btrfs_ioctl_vol_args) #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ @@ -176,4 +191,6 @@ struct btrfs_ioctl_space_args { #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64) #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ struct btrfs_ioctl_space_args) +#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ + struct btrfs_ioctl_vol_args_v2) #endif |