ocfs2: Use do_sync_mapping_range() in ocfs2_zero_tail_for_truncate()
Do this instead of filemap_fdatawrite() - this way we sync only the
range between i_size and the cluster boundary.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 98694a1..027cf5d 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -3517,6 +3517,7 @@
u64 new_i_size)
{
int ret, numpages;
+ loff_t endbyte;
struct page **pages = NULL;
u64 phys;
@@ -3555,7 +3556,9 @@
* wait on them - the truncate_inode_pages() call later will
* do that for us.
*/
- ret = filemap_fdatawrite(inode->i_mapping);
+ endbyte = ocfs2_align_bytes_to_clusters(inode->i_sb, new_i_size);
+ ret = do_sync_mapping_range(inode->i_mapping, new_i_size,
+ endbyte - 1, SYNC_FILE_RANGE_WRITE);
if (ret)
mlog_errno(ret);