The commit is pushed to "branch-rh7-3.10.0-1160.99.1.vz7.211.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-1160.99.1.vz7.211.3
------>
commit 990254121b5f02349699cb9af45a0c85703cf3a2
Author: Alexander Atanasov <alexander.atana...@virtuozzo.com>
Date: Mon Dec 4 13:34:24 2023 +0200
ext4/mfsync: do not BUG_ON on wrong set of files
mfsync(...) can not sync files from different filesystems if
passed such set of files it BUG_ONs.
Instead of BUG return -EINVAL.
https://pmc.acronis.work/browse/VSTOR-78331
Signed-off-by: Alexander Atanasov <alexander.atana...@virtuozzo.com>
Acked-by: Alexey Kuznetsov <kuz...@virtuozzo.com>
---
fs/ext4/fsync.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index ef1b88177220..45a0522496bd 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -180,7 +180,10 @@ int ext4_sync_files(struct file **files, unsigned int
*flags, unsigned int nr_fi
struct address_space * mapping = files[i]->f_mapping;
struct inode *inode = mapping->host;
- BUG_ON(sb != inode->i_sb);
+ if (sb != inode->i_sb) {
+ err = -EINVAL;
+ goto out;
+ }
if (!mapping->nrpages)
continue;
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