repair bfs_write_inode(), switch bfs to simple_fsync()

[firefly-linux-kernel-4.4.55.git] / fs / bfs / inode.c

diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 3a9a1361fdc177b73f26b59e9c03cdc5a9a4fd81..d1d9d9088371d275e78db78f571dd9ce110635b3 100644 (file)
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -98,14 +98,15 @@ error:
        return ERR_PTR(-EIO);
 }
 
-static int bfs_write_inode(struct inode *inode, int unused)
+static int bfs_write_inode(struct inode *inode, int wait)
 {
+       struct bfs_sb_info *info = BFS_SB(inode->i_sb);
        unsigned int ino = (u16)inode->i_ino;
         unsigned long i_sblock;
        struct bfs_inode *di;
        struct buffer_head *bh;
        int block, off;
-       struct bfs_sb_info *info = BFS_SB(inode->i_sb);
+       int err = 0;
 
         dprintf("ino=%08x\n", ino);
 
@@ -146,9 +147,14 @@ static int bfs_write_inode(struct inode *inode, int unused)
        di->i_eoffset = cpu_to_le32(i_sblock * BFS_BSIZE + inode->i_size - 1);
 
        mark_buffer_dirty(bh);
+       if (wait) {
+               sync_dirty_buffer(bh);
+               if (buffer_req(bh) && !buffer_uptodate(bh))
+                       err = -EIO;
+       }
        brelse(bh);
        mutex_unlock(&info->bfs_lock);
-       return 0;
+       return err;
 }
 
 static void bfs_delete_inode(struct inode *inode)