This patch fixes to update last_disk_size only when writing out page
successfully.

Signed-off-by: Chao Yu <[email protected]>
---
 fs/f2fs/data.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b0e75d74fd57..28c03ea27954 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1716,10 +1716,14 @@ static int __write_data_page(struct page *page, bool 
*submitted,
                }
        }
 
-       down_write(&F2FS_I(inode)->i_sem);
-       if (F2FS_I(inode)->last_disk_size < psize)
-               F2FS_I(inode)->last_disk_size = psize;
-       up_write(&F2FS_I(inode)->i_sem);
+       if (err) {
+               file_set_keep_isize(inode);
+       } else {
+               down_write(&F2FS_I(inode)->i_sem);
+               if (F2FS_I(inode)->last_disk_size < psize)
+                       F2FS_I(inode)->last_disk_size = psize;
+               up_write(&F2FS_I(inode)->i_sem);
+       }
 
 done:
        if (err && err != -ENOENT)
-- 
2.15.0.55.gc2ece9dc4de6


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