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Btrfs: Clone file data ioctl

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Add a new ioctl to clone file data

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Sage Weil
2008-05-02 14:43:14 -04:00
committed by Chris Mason
parent d6bfde8765
commit f2eb0a241f
5 changed files with 179 additions and 11 deletions
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fs/btrfs/ioctl.h
+1
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@@ -36,6 +36,7 @@ struct btrfs_ioctl_vol_args {
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \