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-rw-r--r--fs/btrfs/free-space-cache.c30
1 files changed, 10 insertions, 20 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 1027b854b90c..557502ca1a2a 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1250,18 +1250,13 @@ tree_search_offset(struct btrfs_free_space_ctl *ctl,
* if previous extent entry covers the offset,
* we should return it instead of the bitmap entry
*/
- n = &entry->offset_index;
- while (1) {
- n = rb_prev(n);
- if (!n)
- break;
+ n = rb_prev(&entry->offset_index);
+ if (n) {
prev = rb_entry(n, struct btrfs_free_space,
offset_index);
- if (!prev->bitmap) {
- if (prev->offset + prev->bytes > offset)
- entry = prev;
- break;
- }
+ if (!prev->bitmap &&
+ prev->offset + prev->bytes > offset)
+ entry = prev;
}
}
return entry;
@@ -1287,18 +1282,13 @@ tree_search_offset(struct btrfs_free_space_ctl *ctl,
}
if (entry->bitmap) {
- n = &entry->offset_index;
- while (1) {
- n = rb_prev(n);
- if (!n)
- break;
+ n = rb_prev(&entry->offset_index);
+ if (n) {
prev = rb_entry(n, struct btrfs_free_space,
offset_index);
- if (!prev->bitmap) {
- if (prev->offset + prev->bytes > offset)
- return prev;
- break;
- }
+ if (!prev->bitmap &&
+ prev->offset + prev->bytes > offset)
+ return prev;
}
if (entry->offset + BITS_PER_BITMAP * ctl->unit > offset)
return entry;