[1/6] btrfs: delayed-ref: pass delayed_refs directly to btrfs_select_ref_head()
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Message ID 20181011054038.5428-2-lufq.fnst@cn.fujitsu.com
State New
Headers show
Series
  • Some trivail cleanup about dealyed-refs
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Commit Message

Lu Fengqi Oct. 11, 2018, 5:40 a.m. UTC
Since trans is only used for referring to delayed_refs, there is no need
to pass it instead of delayed_refs to btrfs_select_ref_head().

No functional change.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
---
 fs/btrfs/delayed-ref.c | 5 +----
 fs/btrfs/delayed-ref.h | 2 +-
 fs/btrfs/extent-tree.c | 2 +-
 3 files changed, 3 insertions(+), 6 deletions(-)

Patch
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diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 7f567c944fec..13ae86252c4c 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -354,15 +354,12 @@  int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info, u64 seq)
 }
 
 struct btrfs_delayed_ref_head *
-btrfs_select_ref_head(struct btrfs_trans_handle *trans)
+btrfs_select_ref_head(struct btrfs_delayed_ref_root *delayed_refs)
 {
-	struct btrfs_delayed_ref_root *delayed_refs;
 	struct btrfs_delayed_ref_head *head;
 	u64 start;
 	bool loop = false;
 
-	delayed_refs = &trans->transaction->delayed_refs;
-
 again:
 	start = delayed_refs->run_delayed_start;
 	head = find_ref_head(delayed_refs, start, 1);
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index c3e3486a126c..aa66ad6919ab 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -264,7 +264,7 @@  static inline void btrfs_delayed_ref_unlock(struct btrfs_delayed_ref_head *head)
 
 
 struct btrfs_delayed_ref_head *
-btrfs_select_ref_head(struct btrfs_trans_handle *trans);
+btrfs_select_ref_head(struct btrfs_delayed_ref_root *delayed_refs);
 
 int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info, u64 seq);
 
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 22b9269ae84c..22acc1545147 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2511,7 +2511,7 @@  static struct btrfs_delayed_ref_head *btrfs_obtain_ref_head(
 	int ret;
 
 	spin_lock(&delayed_refs->lock);
-	head = btrfs_select_ref_head(trans);
+	head = btrfs_select_ref_head(delayed_refs);
 	if (!head) {
 		spin_unlock(&delayed_refs->lock);
 		return head;