Commit fa41045f authored by Mark Fasheh's avatar Mark Fasheh
Browse files

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: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent 5b04aa3a

fs/ocfs2/alloc.c

+4 −1
Original line number Diff line number Diff line
@@ -3517,6 +3517,7 @@ int ocfs2_zero_tail_for_truncate(struct inode *inode, handle_t *handle, 
				 u64 new_i_size)

{

	int ret, numpages;

	loff_t endbyte;

	struct page **pages = NULL;

	u64 phys;
@@ -3555,7 +3556,9 @@ int ocfs2_zero_tail_for_truncate(struct inode *inode, handle_t *handle, 
	 * 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);