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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>
master
Andreas Philipp 2011-04-26 10:02:40 +02:00 committed by Chris Mason
parent fa81a569ac
commit 501a867d36
1 changed files with 17 additions and 0 deletions
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17
ioctl.h
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@ -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