On 2017年07月13日 16:37, Nikolay Borisov wrote:
Signed-off-by: Nikolay Borisov <nbori...@suse.com>
Looks good.
Reviewed-by: Qu Wenruo <quwenruo.bt...@gmx.com>
Kernel makefile disabled unused-but-set-variable warning so we can't
detect it in normal compile.
Thanks,
Qu
---
fs/btrfs/volumes.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 6466f53b1e81..9a38cbf233a1 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1873,7 +1873,6 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info, const
char *device_path,
struct btrfs_fs_devices *cur_devices;
u64 num_devices;
int ret = 0;
- bool clear_super = false;
mutex_lock(&uuid_mutex);
@@ -1909,7 +1908,6 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info, const char *device_path,
list_del_init(&device->dev_alloc_list);
device->fs_devices->rw_devices--;
mutex_unlock(&fs_info->chunk_mutex);
- clear_super = true;
}
mutex_unlock(&uuid_mutex);
@@ -4128,7 +4126,6 @@ static int btrfs_uuid_scan_kthread(void *data)
struct btrfs_fs_info *fs_info = data;
struct btrfs_root *root = fs_info->tree_root;
struct btrfs_key key;
- struct btrfs_key max_key;
struct btrfs_path *path = NULL;
int ret = 0;
struct extent_buffer *eb;
@@ -4147,10 +4144,6 @@ static int btrfs_uuid_scan_kthread(void *data)
key.type = BTRFS_ROOT_ITEM_KEY;
key.offset = 0;
- max_key.objectid = (u64)-1;
- max_key.type = BTRFS_ROOT_ITEM_KEY;
- max_key.offset = (u64)-1;
-
while (1) {
ret = btrfs_search_forward(root, &key, path, 0);
if (ret) {
@@ -6452,7 +6445,6 @@ static int read_one_chunk(struct btrfs_fs_info *fs_info,
struct btrfs_key *key,
struct extent_map *em;
u64 logical;
u64 length;
- u64 stripe_len;
u64 devid;
u8 uuid[BTRFS_UUID_SIZE];
int num_stripes;
@@ -6461,7 +6453,6 @@ static int read_one_chunk(struct btrfs_fs_info *fs_info,
struct btrfs_key *key,
logical = key->offset;
length = btrfs_chunk_length(leaf, chunk);
- stripe_len = btrfs_chunk_stripe_len(leaf, chunk);
num_stripes = btrfs_chunk_num_stripes(leaf, chunk);
ret = btrfs_check_chunk_valid(fs_info, leaf, chunk, logical);
--
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