On Linux, fallocate(fd, FALLOC_FL_PUNCH_HOLE) when it is used on a block device,
without O_DIRECT can return -EBUSY if it races with another write to the same page.
Since this is rare and discard is not a critical operation, ignore this error
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <
20201111153913.41840-2-mlevitsk@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
switch (ret) {
case -ENOTSUP:
case -EINVAL:
+ case -EBUSY:
break;
default:
return ret;