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authorHans van Kranenburg <hans.van.kranenburg@mendix.com>2018-10-04 23:24:38 +0200
committerDavid Sterba <dsterba@suse.com>2018-12-17 14:51:33 +0100
commit2f29df4fc24ee3467f0073300d93a55499c7dd9f (patch)
treead97ce2d8726c3cdbeef04bc0a2e91ddf0cd2bdd /fs/btrfs/volumes.c
parent3cd24c698004d2f7668e0eb9fc1f096f533c791b (diff)
btrfs: alloc_chunk: do not refurbish num_bytes
The variable num_bytes is used to store the chunk length of the chunk that we're allocating. Do not reuse it for something really different in the same function. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index bb76263c3ad4..405d8977a2b5 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4869,10 +4869,9 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
if (ret)
goto error_del_extent;
- for (i = 0; i < map->num_stripes; i++) {
- num_bytes = map->stripes[i].dev->bytes_used + stripe_size;
- btrfs_device_set_bytes_used(map->stripes[i].dev, num_bytes);
- }
+ for (i = 0; i < map->num_stripes; i++)
+ btrfs_device_set_bytes_used(map->stripes[i].dev,
+ map->stripes[i].dev->bytes_used + stripe_size);
atomic64_sub(stripe_size * map->num_stripes, &info->free_chunk_space);