Src was initially part of 31ff1cd25d37 ("Btrfs: Copy into the log tree in
big batches"), however 16e7549f045d ("Btrfs: incompatible format change to remove hole extents") changed parameters passed to copy_items which made the src
variable redundant.

Signed-off-by: Nikolay Borisov <redacted>
---
 fs/btrfs/tree-log.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index ad7f4bab640b..cb29528a8bba 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c

@@ -2740,7 +2740,7 @@ static inline void btrfs_remove_log_ctx(struct btrfs_root *root,
        mutex_unlock(&root->log_mutex);
 }

-/*
+/*
  * Invoked in log mutex context, or be sure there is no other task which
  * can access the list.
  */

@@ -4637,7 +4637,6 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
        struct btrfs_key min_key;
        struct btrfs_key max_key;
        struct btrfs_root *log = root->log_root;
-       struct extent_buffer *src = NULL;
        LIST_HEAD(logged_list);
        u64 last_extent = 0;
        int err = 0;

@@ -4880,7 +4879,6 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
                        goto next_slot;
                }

-               src = path->nodes[0];
                if (ins_nr && ins_start_slot + ins_nr == path->slots[0]) {
                        ins_nr++;
                        goto next_slot;
--

2.7.4

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