Commit 6ca470d7 authored Mar 04, 2013 by Dmitry Monakhov Committed by Theodore Ts'o Mar 04, 2013

ext4: invalidate extent status tree during extent migration

mext_replace_branches() will change inode's extents layout so
we have to drop corresponding cache.

TESTCASE:  301'th xfstest was not yet accepted to official xfstest's branch
and can be found here: https://github.com/dmonakhov/xfstests/commit/7b7efeee30a41109201e2040034e71db9b66ddc0



Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>

parent de99fcce

fs/ext4/move_extent.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -666,6 +666,14 @@ mext_replace_branches(handle_t handle, struct inode orig_inode,
		int replaced_count = 0;
		int dext_alen;

		*err = ext4_es_remove_extent(orig_inode, from, count);
		if (*err)
		goto out;

		*err = ext4_es_remove_extent(donor_inode, from, count);
		if (*err)
		goto out;

		/* Get the original extent for the block "orig_off" */
		*err = get_ext_path(orig_inode, orig_off, &orig_path);
		if (*err)

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