Message ID | 20190223000614.13894-6-jsnow@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | dirty-bitmaps: deprecate @status field | expand |
On 2/22/19 6:06 PM, John Snow wrote: > Check that the bitmap is not in use prior to it checking if it is > not enabled/recording guest writes. The bitmap being busy was likely > at the behest of the user, so this error has a greater chance of being > understood by the user. > > Signed-off-by: John Snow <jsnow@redhat.com> > --- > nbd/server.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > Reviewed-by: Eric Blake <eblake@redhat.com>
23.02.2019 3:06, John Snow wrote: > Check that the bitmap is not in use prior to it checking if it is > not enabled/recording guest writes. The bitmap being busy was likely > at the behest of the user, so this error has a greater chance of being > understood by the user. > > Signed-off-by: John Snow<jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
diff --git a/nbd/server.c b/nbd/server.c index 0910d09a6d..de21c64ce3 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -1510,6 +1510,11 @@ NBDExport *nbd_export_new(BlockDriverState *bs, uint64_t dev_offset, goto fail; } + if (bdrv_dirty_bitmap_user_locked(bm)) { + error_setg(errp, "Bitmap '%s' is in use", bitmap); + goto fail; + } + if ((nbdflags & NBD_FLAG_READ_ONLY) && bdrv_is_writable(bs) && bdrv_dirty_bitmap_enabled(bm)) { error_setg(errp, @@ -1518,11 +1523,6 @@ NBDExport *nbd_export_new(BlockDriverState *bs, uint64_t dev_offset, goto fail; } - if (bdrv_dirty_bitmap_user_locked(bm)) { - error_setg(errp, "Bitmap '%s' is in use", bitmap); - goto fail; - } - bdrv_dirty_bitmap_set_qmp_locked(bm, true); exp->export_bitmap = bm; exp->export_bitmap_context = g_strdup_printf("qemu:dirty-bitmap:%s",
Check that the bitmap is not in use prior to it checking if it is not enabled/recording guest writes. The bitmap being busy was likely at the behest of the user, so this error has a greater chance of being understood by the user. Signed-off-by: John Snow <jsnow@redhat.com> --- nbd/server.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)