Commit ab0920ce authored by Mark Fasheh's avatar Mark Fasheh
Browse files

ocfs2: multi node truncate fix 



Fix ocfs2_truncate_file() so that it forces a truncate_inode_pages() on all
interested nodes in all cases of a truncate(), not just allocation change.

Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent 6246b612

fs/ocfs2/file.c

+11 −8
Original line number Diff line number Diff line
@@ -260,6 +260,17 @@ static int ocfs2_truncate_file(struct inode *inode, 
	if (new_i_size == le64_to_cpu(fe->i_size))

		goto bail;



	/* This forces other nodes to sync and drop their pages. Do

	 * this even if we have a truncate without allocation change -

	 * ocfs2 cluster sizes can be much greater than page size, so

	 * we have to truncate them anyway.  */

	status = ocfs2_data_lock(inode, 1);

	if (status < 0) {

		mlog_errno(status);

		goto bail;

	}

	ocfs2_data_unlock(inode, 1);



	if (le32_to_cpu(fe->i_clusters) ==

	    ocfs2_clusters_for_bytes(osb->sb, new_i_size)) {

		mlog(0, "fe->i_clusters = %u, so we do a simple truncate\n",
@@ -272,14 +283,6 @@ static int ocfs2_truncate_file(struct inode *inode, 
		goto bail;

	}



	/* This forces other nodes to sync and drop their pages */

	status = ocfs2_data_lock(inode, 1);

	if (status < 0) {

		mlog_errno(status);

		goto bail;

	}

	ocfs2_data_unlock(inode, 1);



	/* alright, we're going to need to do a full blown alloc size

	 * change. Orphan the inode so that recovery can complete the

	 * truncate if necessary. This does the task of marking