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Btrfs: virtual address space subset filter

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Select chunks which have at least one byte located inside a given
[vstart, vend) virtual address space range.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov
2012-01-16 22:04:48 +02:00
parent 94e60d5a5c
commit ea67176ae8
2 changed files with 21 additions and 0 deletions
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fs/btrfs/volumes.h
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@@ -203,6 +203,7 @@ struct map_lookup {
#define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1)
#define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2)
#define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3)
#define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)
struct btrfs_balance_args;
struct btrfs_balance_control {