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Btrfs: Support for online FS resize (grow and shrink)

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Chris Mason
2007-12-21 16:27:24 -05:00
parent 5d4fb734b4
commit edbd8d4efe
8 changed files with 629 additions and 14 deletions
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fs/btrfs/ioctl.h
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@@ -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