Btrfs: remove unnecessary argument of bio_readpage_error()

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index fe443fe..5d31f80 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2202,8 +2202,7 @@ out:
  */
 
 static int bio_readpage_error(struct bio *failed_bio, struct page *page,
-                               u64 start, u64 end, int failed_mirror,
-                               struct extent_state *state)
+                               u64 start, u64 end, int failed_mirror)
 {
        struct io_failure_record *failrec = NULL;
        u64 private;
@@ -2212,6 +2211,7 @@ static int bio_readpage_error(struct bio *failed_bio, struct page *page,
        struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
        struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
        struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
+       struct extent_state *state;
        struct bio *bio;
        int num_copies;
        int ret;
@@ -2296,22 +2296,18 @@ static int bio_readpage_error(struct bio *failed_bio, struct page *page,
                 * all the retry and error correction code that follows. no
                 * matter what the error is, it is very likely to persist.
                 */
-               pr_debug("bio_readpage_error: cannot repair, num_copies == 1. "
-                        "state=%p, num_copies=%d, next_mirror %d, "
-                        "failed_mirror %d\n", state, num_copies,
-                        failrec->this_mirror, failed_mirror);
+               pr_debug("bio_readpage_error: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n",
+                        num_copies, failrec->this_mirror, failed_mirror);
                free_io_failure(inode, failrec, 0);
                return -EIO;
        }
 
-       if (!state) {
-               spin_lock(&tree->lock);
-               state = find_first_extent_bit_state(tree, failrec->start,
-                                                   EXTENT_LOCKED);
-               if (state && state->start != failrec->start)
-                       state = NULL;
-               spin_unlock(&tree->lock);
-       }
+       spin_lock(&tree->lock);
+       state = find_first_extent_bit_state(tree, failrec->start,
+                                           EXTENT_LOCKED);
+       if (state && state->start != failrec->start)
+               state = NULL;
+       spin_unlock(&tree->lock);
 
        /*
         * there are two premises:
@@ -2541,7 +2537,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
                         * can't handle the error it will return -EIO and we
                         * remain responsible for that page.
                         */
-                       ret = bio_readpage_error(bio, page, start, end, mirror, NULL);
+                       ret = bio_readpage_error(bio, page, start, end, mirror);
                        if (ret == 0) {
                                uptodate =
                                        test_bit(BIO_UPTODATE, &bio->bi_flags);