btrfs: get fs_info from block group in write_pinned_extent_entries

We can read fs_info from the block group cache structure and can drop it
from the parameters.

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

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 98ebe4b..33c3e6f 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1039,8 +1039,7 @@ fail:
        return -1;
 }
 
-static noinline_for_stack int
-write_pinned_extent_entries(struct btrfs_fs_info *fs_info,
+static noinline_for_stack int write_pinned_extent_entries(
                            struct btrfs_block_group_cache *block_group,
                            struct btrfs_io_ctl *io_ctl,
                            int *entries)
@@ -1059,7 +1058,7 @@ write_pinned_extent_entries(struct btrfs_fs_info *fs_info,
         * We shouldn't have switched the pinned extents yet so this is the
         * right one
         */
-       unpin = fs_info->pinned_extents;
+       unpin = block_group->fs_info->pinned_extents;
 
        start = block_group->key.objectid;
 
@@ -1235,7 +1234,6 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
                                   struct btrfs_io_ctl *io_ctl,
                                   struct btrfs_trans_handle *trans)
 {
-       struct btrfs_fs_info *fs_info = root->fs_info;
        struct extent_state *cached_state = NULL;
        LIST_HEAD(bitmap_list);
        int entries = 0;
@@ -1293,8 +1291,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
         * If this changes while we are working we'll get added back to
         * the dirty list and redo it.  No locking needed
         */
-       ret = write_pinned_extent_entries(fs_info, block_group,
-                                         io_ctl, &entries);
+       ret = write_pinned_extent_entries(block_group, io_ctl, &entries);
        if (ret)
                goto out_nospc_locked;