freeze_bdev() only freeze block device, however resize_fs()
need to freeze all foreground fs operations to keep metadata
stable for later update, so use {freeze,thaw}_super() instead.

Fixes: 04f0b2eaa3b3 ("f2fs: ioctl for removing a range from F2FS")
Signed-off-by: Chao Yu <[email protected]>
---
 fs/f2fs/gc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 26248c8936db..acdc8b99b543 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1538,7 +1538,7 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 
block_count)
                return -EINVAL;
        }
 
-       freeze_bdev(sbi->sb->s_bdev);
+       freeze_super(sbi->sb);
 
        shrunk_blocks = old_block_count - block_count;
        secs = div_u64(shrunk_blocks, BLKS_PER_SEC(sbi));
@@ -1551,7 +1551,7 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 
block_count)
                sbi->user_block_count -= shrunk_blocks;
        spin_unlock(&sbi->stat_lock);
        if (err) {
-               thaw_bdev(sbi->sb->s_bdev, sbi->sb);
+               thaw_super(sbi->sb);
                return err;
        }
 
@@ -1613,6 +1613,6 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 
block_count)
        }
        clear_sbi_flag(sbi, SBI_IS_RESIZEFS);
        mutex_unlock(&sbi->resize_mutex);
-       thaw_bdev(sbi->sb->s_bdev, sbi->sb);
+       thaw_super(sbi->sb);
        return err;
 }
-- 
2.18.0.rc1



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