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| author | Alexander Block | 2012-07-25 23:19:24 +0200 |
|---|---|---|
| committer | Alexander Block | 2012-07-25 23:30:19 +0200 |
| commit | 31db9f7c23fbf7e95026143f79645de6507b583b (patch) | |
| tree | a3e416143bd08d8daca762f85a6d260e49c56c61 /fs/btrfs/ioctl.h | |
| parent | Btrfs: add btrfs_compare_trees function (diff) | |
| download | kernel-qcow2-linux-31db9f7c23fbf7e95026143f79645de6507b583b.tar.gz kernel-qcow2-linux-31db9f7c23fbf7e95026143f79645de6507b583b.tar.xz kernel-qcow2-linux-31db9f7c23fbf7e95026143f79645de6507b583b.zip | |
Btrfs: introduce BTRFS_IOC_SEND for btrfs send/receive
This patch introduces the BTRFS_IOC_SEND ioctl that is
required for send. It allows btrfs-progs to implement
full and incremental sends. Patches for btrfs-progs will
follow.
Signed-off-by: Alexander Block <ablock84@googlemail.com>
Reviewed-by: David Sterba <dave@jikos.cz>
Reviewed-by: Arne Jansen <sensille@gmx.net>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Reviewed-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
Diffstat (limited to 'fs/btrfs/ioctl.h')
| -rw-r--r-- | fs/btrfs/ioctl.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index 0c505d7ff8ed..27097e8bfa39 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -310,6 +310,15 @@ struct btrfs_ioctl_received_subvol_args { __u64 reserved[16]; /* in */ }; +struct btrfs_ioctl_send_args { + __s64 send_fd; /* in */ + __u64 clone_sources_count; /* in */ + __u64 __user *clone_sources; /* in */ + __u64 parent_root; /* in */ + __u64 flags; /* in */ + __u64 reserved[4]; /* in */ +}; + #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ struct btrfs_ioctl_vol_args) #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ @@ -376,6 +385,7 @@ struct btrfs_ioctl_received_subvol_args { struct btrfs_ioctl_ino_path_args) #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ struct btrfs_ioctl_received_subvol_args) +#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ struct btrfs_ioctl_get_dev_stats) #define BTRFS_IOC_GET_AND_RESET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 53, \ |