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authorChris Mason <chris.mason@oracle.com>2007-12-21 16:27:24 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:03:58 -0400
commitedbd8d4efe4ddaf29a175ae504e2c9a05a96ebee (patch)
treec5156fe3a75e97972186c9a933a631b258490a7e /fs/btrfs/ioctl.h
parent5d4fb734b4cb89a3902d6de309af0f6f3e63fe73 (diff)
Btrfs: Support for online FS resize (grow and shrink)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ioctl.h')
-rw-r--r--fs/btrfs/ioctl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 8bc47dec286..8c6290665d4 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -30,4 +30,6 @@ struct btrfs_ioctl_vol_args {
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
+ struct btrfs_ioctl_vol_args)
#endif