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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On 10/22/26 04:25, Eva Kurchatova wrote: > static int blkdev_flushbuf(struct block_device *bdev, unsigned cmd, > unsigned long arg) > { > - if (!capable(CAP_SYS_ADMIN)) > + if (!blkdev_admin_capable(bdev)) > return -EACCES; > > mutex_lock(&bdev->bd_holder_lock); > - if (bdev->bd_holder_ops && bdev->bd_holder_ops->sync) > + if (bdev->bd_holder_ops && bdev->bd_holder_ops->sync) { > + /* A filesystem on the device is synced by its own mount, not from a container */ > + if (!ve_is_super(get_exec_env())) { > + mutex_unlock(&bdev->bd_holder_lock); > + return -EBUSY; > + } > bdev->bd_holder_ops->sync(bdev); This looks a bit overprotective, if we allow writing to this disk directly, why not allow syncing it directly, mounted fs or not. Not a blocker though, fine either way. Reviewed-by: Pavel Tikhomirov -- Best regards, Pavel Tikhomirov Senior Software Developer, Virtuozzo. _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel