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-rw-r--r--fs/btrfs/extent-tree.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 87d6666cd8e3..85d1ceb90273 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7257,6 +7257,7 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group = NULL;
u64 search_start = 0;
u64 max_extent_size = 0;
+ u64 max_free_space = 0;
u64 empty_cluster = 0;
struct btrfs_space_info *space_info;
int loop = 0;
@@ -7552,8 +7553,8 @@ unclustered_alloc:
spin_lock(&ctl->tree_lock);
if (ctl->free_space <
num_bytes + empty_cluster + empty_size) {
- if (ctl->free_space > max_extent_size)
- max_extent_size = ctl->free_space;
+ max_free_space = max(max_free_space,
+ ctl->free_space);
spin_unlock(&ctl->tree_lock);
goto loop;
}
@@ -7720,6 +7721,8 @@ loop:
}
out:
if (ret == -ENOSPC) {
+ if (!max_extent_size)
+ max_extent_size = max_free_space;
spin_lock(&space_info->lock);
space_info->max_extent_size = max_extent_size;
spin_unlock(&space_info->lock);