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authorLiu Bo <bo.li.liu@oracle.com>2017-03-06 13:49:02 -0800
committerDavid Sterba <dsterba@suse.com>2017-04-18 14:07:25 +0200
commit1a79c1f2466bb54b329155b2b6910f386dc5aa9d (patch)
tree4d57d747af2cc0ac6afdf43562c4133376ccc614 /fs/btrfs/extent-tree.c
parent539b50d2f68944e7c1184c68da5c535499cbccfe (diff)
Btrfs: update comments in cache_save_setup
We also don't bother to flush free space cache while with free space tree. Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5a7ddcff406b..1b9ede123ffb 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3443,7 +3443,8 @@ again:
/*
* don't bother trying to write stuff out _if_
* a) we're not cached,
- * b) we're with nospace_cache mount option.
+ * b) we're with nospace_cache mount option,
+ * c) we're with v2 space_cache (FREE_SPACE_TREE).
*/
dcs = BTRFS_DC_WRITTEN;
spin_unlock(&block_group->lock);