Btrfs: fix unprotected device->bytes_used update
We should update device->bytes_used in the lock context of chunk_mutex, or we would get wrong data. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
parent
5d778aaeb0
commit
43530c46cc
|
@ -4429,6 +4429,9 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
|
||||||
if (ret)
|
if (ret)
|
||||||
goto error_del_extent;
|
goto error_del_extent;
|
||||||
|
|
||||||
|
for (i = 0; i < map->num_stripes; i++)
|
||||||
|
map->stripes[i].dev->bytes_used += stripe_size;
|
||||||
|
|
||||||
free_extent_map(em);
|
free_extent_map(em);
|
||||||
check_raid56_incompat_flag(extent_root->fs_info, type);
|
check_raid56_incompat_flag(extent_root->fs_info, type);
|
||||||
|
|
||||||
|
@ -4500,7 +4503,6 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
|
||||||
device = map->stripes[i].dev;
|
device = map->stripes[i].dev;
|
||||||
dev_offset = map->stripes[i].physical;
|
dev_offset = map->stripes[i].physical;
|
||||||
|
|
||||||
device->bytes_used += stripe_size;
|
|
||||||
ret = btrfs_update_device(trans, device);
|
ret = btrfs_update_device(trans, device);
|
||||||
if (ret)
|
if (ret)
|
||||||
goto out;
|
goto out;
|
||||||
|
|
Loading…
Reference in New Issue