No functional changes, just make the loop a bit more readable
Signed-off-by: Nikolay Borisov <nbori...@suse.com>
---
fs/btrfs/volumes.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index adf32f46a73f..9f4426014490 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4619,7 +4619,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle
*trans,
{
struct btrfs_fs_info *info = trans->fs_info;
struct btrfs_fs_devices *fs_devices = info->fs_devices;
- struct list_head *cur;
+ struct btrfs_device *device;
struct map_lookup *map = NULL;
struct extent_map_tree *em_tree;
struct extent_map *em;
@@ -4693,22 +4693,15 @@ static int __btrfs_alloc_chunk(struct
btrfs_trans_handle *trans,
if (!devices_info)
return -ENOMEM;
- cur = fs_devices->alloc_list.next;
-
/*
* in the first pass through the devices list, we gather information
* about the available holes on each device.
*/
ndevs = 0;
- while (cur != &fs_devices->alloc_list) {
- struct btrfs_device *device;
+ list_for_each_entry(device, &fs_devices->alloc_list, dev_alloc_list) {
u64 max_avail;
u64 dev_offset;
- device = list_entry(cur, struct btrfs_device, dev_alloc_list);
-
- cur = cur->next;
-
if (!device->writeable) {
WARN(1, KERN_ERR
"BTRFS: read-only device in alloc_list\n");
--
2.7.4
--
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