dm thin: fix a race in thin_dtr

Browse source

commit 17181fb7a0 upstream.

As long as struct thin_c is in the list, anyone can grab a reference of
it.  Consequently, we must wait for the reference count to drop to zero
*after* we remove the structure from the list, not before.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

...

This commit is contained in:

Mikulas Patocka 2014-11-05 17:00:13 -05:00 • committed by Luis Henriques

parent 09b8f31f78

commit ec08e40bf0

1 changed files with 3 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

6

drivers/md/dm-thin.c

View file