Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
---
 file.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/file.c b/file.c
index bf31ccef..028bfba8 100644
--- a/file.c
+++ b/file.c
@@ -193,10 +193,10 @@ int btrfs_read_file(struct btrfs_root *root, u64 ino, u64 
start, int len,
        int read = 0;
        int ret;
 
-       if (!IS_ALIGNED(start, root->sectorsize) ||
-           !IS_ALIGNED(len, root->sectorsize)) {
+       if (!IS_ALIGNED(start, root->fs_info->sectorsize) ||
+           !IS_ALIGNED(len, root->fs_info->sectorsize)) {
                warning("@start and @len must be aligned to %u for function %s",
-                       root->sectorsize, __func__);
+                       root->fs_info->sectorsize, __func__);
                return -EINVAL;
        }
 
@@ -260,7 +260,7 @@ int btrfs_read_file(struct btrfs_root *root, u64 ino, u64 
start, int len,
                                goto next;
                        read_extent_buffer(leaf, dest,
                                btrfs_file_extent_inline_start(fi), extent_len);
-                       read += round_up(extent_len, root->sectorsize);
+                       read += round_up(extent_len, root->fs_info->sectorsize);
                        break;
                }
 
@@ -319,7 +319,7 @@ next:
                ii = btrfs_item_ptr(path.nodes[0], path.slots[0],
                                    struct btrfs_inode_item);
                isize = round_up(btrfs_inode_size(path.nodes[0], ii),
-                                root->sectorsize);
+                                root->fs_info->sectorsize);
                read = min_t(u64, isize - start, len);
        }
 out:
-- 
2.13.0



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