2 files changed, 7 insertions, 7 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 9a3ca798087f..15ff880bf4b5 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -519,7 +519,7 @@ struct btrfs_io_ctl {
         void *cur, *orig;
         struct page *page;
         struct page **pages;
-        struct btrfs_root *root;
+        struct btrfs_fs_info *fs_info;
         struct inode *inode;
         unsigned long size;
         int index;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index a538133aec63..d2320eef1a44 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -303,7 +303,7 @@ static int readahead_cache(struct inode *inode)
 }
 
 static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode,
-                       struct btrfs_root *root, int write)
+                       int write)
 {
         int num_pages;
         int check_crcs = 0;
@@ -325,7 +325,7 @@ static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode,
                 return -ENOMEM;
 
         io_ctl->num_pages = num_pages;
-        io_ctl->root = root;
+        io_ctl->fs_info = btrfs_sb(inode->i_sb);
         io_ctl->check_crcs = check_crcs;
         io_ctl->inode = inode;
 
@@ -448,7 +448,7 @@ static int io_ctl_check_generation(struct btrfs_io_ctl *io_ctl, u64 generation)
 
         gen = io_ctl->cur;
         if (le64_to_cpu(*gen) != generation) {
-                btrfs_err_rl(io_ctl->root->fs_info,
+                btrfs_err_rl(io_ctl->fs_info,
                         "space cache generation (%llu) does not match inode (%llu)",
                                 *gen, generation);
                 io_ctl_unmap_page(io_ctl);
@@ -504,7 +504,7 @@ static int io_ctl_check_crc(struct btrfs_io_ctl *io_ctl, int index)
                               PAGE_SIZE - offset);
         btrfs_csum_final(crc, (u8 *)&crc);
         if (val != crc) {
-                btrfs_err_rl(io_ctl->root->fs_info,
+                btrfs_err_rl(io_ctl->fs_info,
                         "csum mismatch on free space cache");
                 io_ctl_unmap_page(io_ctl);
                 return -EIO;
@@ -722,7 +722,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
         if (!num_entries)
                 return 0;
 
-        ret = io_ctl_init(&io_ctl, inode, root, 0);
+        ret = io_ctl_init(&io_ctl, inode, 0);
         if (ret)
                 return ret;
 
@@ -1229,7 +1229,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
                 return -EIO;
 
         WARN_ON(io_ctl->pages);
-        ret = io_ctl_init(io_ctl, inode, root, 1);
+        ret = io_ctl_init(io_ctl, inode, 1);
         if (ret)
                 return ret;