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ext4: invalidate extent status tree during extent migration

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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: 7b7efeee30

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Dmitry Monakhov 2013-03-04 00:50:47 -05:00 committed by Theodore Ts'o
parent de99fcce1d
commit 6ca470d7b5
1 changed files with 8 additions and 0 deletions
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8
fs/ext4/move_extent.c
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@ -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)