btrfs: get fs_info from eb in check_tree_block_fsid

We can read fs_info from extent buffer and can drop it from the
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 9c5b87b..ab7e2c5 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -539,9 +539,9 @@ static int csum_dirty_buffer(struct btrfs_fs_info *fs_info, struct page *page)
        return 0;
 }
 
-static int check_tree_block_fsid(struct btrfs_fs_info *fs_info,
-                                struct extent_buffer *eb)
+static int check_tree_block_fsid(struct extent_buffer *eb)
 {
+       struct btrfs_fs_info *fs_info = eb->fs_info;
        struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
        u8 fsid[BTRFS_FSID_SIZE];
        int ret = 1;
@@ -611,7 +611,7 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
                ret = -EIO;
                goto err;
        }
-       if (check_tree_block_fsid(fs_info, eb)) {
+       if (check_tree_block_fsid(eb)) {
                btrfs_err_rl(fs_info, "bad fsid on block %llu",
                             eb->start);
                ret = -EIO;