nilfs2: fix missed-sync issue for do_sync_mapping_range()

[linux-2.6-omap-h63xx.git] / fs / nilfs2 / inode.c

diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index b4697d9d7e5da60fe71ad243db5c6787ed5da626..289d1798decbecefc4ddbb47b429998cb452d883 100644 (file)
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -24,6 +24,7 @@
 #include <linux/buffer_head.h>
 #include <linux/mpage.h>
 #include <linux/writeback.h>
+#include <linux/uio.h>
 #include "nilfs.h"
 #include "segment.h"
 #include "page.h"
@@ -145,8 +146,14 @@ static int nilfs_readpages(struct file *file, struct address_space *mapping,
 static int nilfs_writepages(struct address_space *mapping,
                            struct writeback_control *wbc)
 {
-       /* This empty method is required not to call generic_writepages() */
-       return 0;
+       struct inode *inode = mapping->host;
+       int err = 0;
+
+       if (wbc->sync_mode == WB_SYNC_ALL)
+               err = nilfs_construct_dsync_segment(inode->i_sb, inode,
+                                                   wbc->range_start,
+                                                   wbc->range_end);
+       return err;
 }
 
 static int nilfs_writepage(struct page *page, struct writeback_control *wbc)
@@ -225,11 +232,6 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
        struct file *file = iocb->ki_filp;
        struct inode *inode = file->f_mapping->host;
        ssize_t size;
-       int err;
-
-       err = nilfs_construct_dsync_segment(inode->i_sb, inode);
-       if (unlikely(err))
-               return err;
 
        if (rw == WRITE)
                return 0;