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| author | Ilya Dryomov <idryomov@gmail.com> | 2012-01-16 22:04:49 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2012-01-16 22:04:49 +0200 |
| commit | a7e99c691af553fc15ac46a51f130b7c59a65f76 (patch) | |
| tree | 55491f285683951d509819a66e614ac6f12659dd /fs/btrfs/ioctl.h | |
| parent | 837d5b6e46d1a4af5b6cc8f2fe83cb5de79a2961 (diff) | |
| download | blackbird-op-linux-a7e99c691af553fc15ac46a51f130b7c59a65f76.tar.gz blackbird-op-linux-a7e99c691af553fc15ac46a51f130b7c59a65f76.zip | |
Btrfs: allow for canceling restriper
Implement an ioctl for canceling restriper. Currently we wait until
relocation of the current block group is finished, in future this can be
done by triggering a commit. Balance item is deleted and no memory
about the interrupted balance is kept.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/btrfs/ioctl.h')
| -rw-r--r-- | fs/btrfs/ioctl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index e972e11a8d77..cd19d10794b9 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -111,6 +111,7 @@ struct btrfs_ioctl_fs_info_args { /* balance control ioctl modes */ #define BTRFS_BALANCE_CTL_PAUSE 1 +#define BTRFS_BALANCE_CTL_CANCEL 2 /* * this is packed, because it should be exactly the same as its disk @@ -142,6 +143,7 @@ struct btrfs_balance_progress { #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) +#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) struct btrfs_ioctl_balance_args { __u64 flags; /* in/out */ |
