[PATCH 5/7] btrfs-progs: volumes: Allow find_free_dev_extent() to return maximum hole size

[Qu Wenruo]

Just as kernel find_free_dev_extent(), allow it to return maximum hole
size for us to build device list for later chunk allocator rework.

Signed-off-by: Qu Wenruo <w...@suse.com>
---
 volumes.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/volumes.c b/volumes.c
index b47ff1f392b5..f4009ffa7c9e 100644
--- a/volumes.c
+++ b/volumes.c
@@ -516,10 +516,10 @@ out:
 }
 
 static int find_free_dev_extent(struct btrfs_device *device, u64 num_bytes,
-                               u64 *start)
+                               u64 *start, u64 *len)
 {
        /* FIXME use last free of some kind */
-       return find_free_dev_extent_start(device, num_bytes, 0, start, NULL);
+       return find_free_dev_extent_start(device, num_bytes, 0, start, len);
 }
 
 static int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
@@ -543,7 +543,7 @@ static int btrfs_alloc_dev_extent(struct btrfs_trans_handle 
*trans,
         * is responsible to make sure it's free.
         */
        if (!convert) {
-               ret = find_free_dev_extent(device, num_bytes, start);
+               ret = find_free_dev_extent(device, num_bytes, start, NULL);
                if (ret)
                        goto err;
        }
-- 
2.16.1

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