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-rw-r--r--fs/btrfs/space-info.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index ce33b1addf55..ab7b9ec4c240 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -967,18 +967,12 @@ static int __reserve_metadata_bytes(struct btrfs_fs_info *fs_info,
used = btrfs_space_info_used(space_info, true);
/*
- * If we have enough space then hooray, make our reservation and carry
- * on. If not see if we can overcommit, and if we can, hooray carry on.
- * If not things get more complicated.
+ * Carry on if we have enough space (short-circuit) OR call
+ * can_overcommit() to ensure we can overcommit to continue.
*/
- if (used + orig_bytes <= space_info->total_bytes) {
- btrfs_space_info_update_bytes_may_use(fs_info, space_info,
- orig_bytes);
- trace_btrfs_space_reservation(fs_info, "space_info",
- space_info->flags, orig_bytes, 1);
- ret = 0;
- } else if (can_overcommit(fs_info, space_info, orig_bytes, flush,
- system_chunk)) {
+ if ((used + orig_bytes <= space_info->total_bytes) ||
+ can_overcommit(fs_info, space_info, orig_bytes, flush,
+ system_chunk)) {
btrfs_space_info_update_bytes_may_use(fs_info, space_info,
orig_bytes);
trace_btrfs_space_reservation(fs_info, "space_info",