[PATCH v3 5/9] btrfs-progs: volumes: Allow find_free_dev_extent() to return maximum hole size
From: Qu Wenruo <hidden>
Date: 2018-02-22 06:47:45
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Qu Wenruo <hidden>
Date: 2018-02-22 06:47:45
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- 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; }
--
2.16.2