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authorAlberto Garcia <berto@igalia.com>2015-04-08 12:29:19 +0300
committerKevin Wolf <kwolf@redhat.com>2015-04-28 15:36:09 +0200
commit81e5f78a9f4f13548ec1edddaf780d339f18e2d2 (patch)
tree4139d1fe692237ccfedf6bf1e446329289f320b8 /block/qcow.c
parent9b2aa84f87f5b95cb0295dcae38fbfbf115df2be (diff)
block: use bdrv_get_device_or_node_name() in error messages
There are several error messages that identify a BlockDriverState by its device name. However those errors can be produced in nodes that don't have a device name associated. In those cases we should use bdrv_get_device_or_node_name() to fall back to the node name and produce a more meaningful message. The messages are also updated to use the more generic term 'node' instead of 'device'. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 9823a1f0514fdb0692e92868661c38a9e00a12d6.1428485266.git.berto@igalia.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow.c')
-rw-r--r--block/qcow.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/qcow.c b/block/qcow.c
index 055896910e..ab893284d2 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -124,7 +124,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
snprintf(version, sizeof(version), "QCOW version %" PRIu32,
header.version);
error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE,
- bdrv_get_device_name(bs), "qcow", version);
+ bdrv_get_device_or_node_name(bs), "qcow", version);
ret = -ENOTSUP;
goto fail;
}
@@ -229,9 +229,9 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Disable migration when qcow images are used */
- error_set(&s->migration_blocker,
- QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
- "qcow", bdrv_get_device_name(bs), "live migration");
+ error_setg(&s->migration_blocker, "The qcow format used by node '%s' "
+ "does not support live migration",
+ bdrv_get_device_or_node_name(bs));
migrate_add_blocker(s->migration_blocker);
qemu_co_mutex_init(&s->lock);