The commit is pushed to "branch-rh7-3.10.0-514.10.2.vz7.29.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-514.10.2.vz7.29.15
------>
commit 5ffa7e4f1451a245f9fc4ba94df77c2a0e911add
Author: Andrey Ryabinin <aryabi...@virtuozzo.com>
Date: Thu Apr 13 14:41:06 2017 +0400
fs/block_dev: always invalidate cleancache in invalidate_bdev()
invalidate_bdev() calls cleancache_invalidate_inode() iff ->nrpages != 0
which doen't make any sense.
Make invalidate_bdev() always invalidate cleancache data.
https://jira.sw.ru/browse/PSBM-63908
Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com>
---
fs/block_dev.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 967588e..8f2c6ee 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -108,12 +108,12 @@ void invalidate_bdev(struct block_device *bdev)
{
struct address_space *mapping = bdev->bd_inode->i_mapping;
- if (mapping->nrpages == 0)
- return;
-
- invalidate_bh_lrus();
- lru_add_drain_all(); /* make sure all lru add caches are flushed */
- invalidate_mapping_pages(mapping, 0, -1);
+ /* FIXME: Shouldn't we add '|| mapping->nrexceptional' ? */
+ if (mapping->nrpages) {
+ invalidate_bh_lrus();
+ lru_add_drain_all(); /* make sure all lru add caches are
flushed */
+ invalidate_mapping_pages(mapping, 0, -1);
+ }
/* 99% of the time, we don't need to flush the cleancache on the bdev.
* But, for the strange corners, lets be cautious
*/
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