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| author | Miao Xie <miaox@cn.fujitsu.com> | 2011-01-05 10:07:26 +0000 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-01-16 11:30:19 -0500 |
| commit | 7bfc837df935d850fe996dfe92ef48975cd4170a (patch) | |
| tree | 8ca5f83c0c43e505b872368877504fa95c6276ab /fs/btrfs/extent-tree.c | |
| parent | 1974a3b42d8cf7a9c74f1e0310c593023617037a (diff) | |
| download | kernel_samsung_smdk4412-7bfc837df935d850fe996dfe92ef48975cd4170a.zip kernel_samsung_smdk4412-7bfc837df935d850fe996dfe92ef48975cd4170a.tar.gz kernel_samsung_smdk4412-7bfc837df935d850fe996dfe92ef48975cd4170a.tar.bz2 | |
btrfs: restructure find_free_dev_extent()
- make it return the start position and length of the max free space when it can
not find a suitable free space.
- make it more readability
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 3c71d95..1e1c9a1 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -8099,7 +8099,7 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) mutex_lock(&root->fs_info->chunk_mutex); list_for_each_entry(device, &fs_devices->alloc_list, dev_alloc_list) { u64 min_free = btrfs_block_group_used(&block_group->item); - u64 dev_offset, max_avail; + u64 dev_offset; /* * check to make sure we can actually find a chunk with enough @@ -8107,7 +8107,7 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) */ if (device->total_bytes > device->bytes_used + min_free) { ret = find_free_dev_extent(NULL, device, min_free, - &dev_offset, &max_avail); + &dev_offset, NULL); if (!ret) break; ret = -1; |