From: Dmitry Fomichev <dmitry.fomichev@wdc.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
John Snow <jsnow@redhat.com>
Cc: Dmitry Fomichev <dmitry.fomichev@wdc.com>,
Alistair Francis <alistair.francis@wdc.com>,
qemu-devel@nongnu.org, qemu-block@nongnu.org
Subject: [Qemu-devel] [PATCH v5 4/4] raw: Don't open ZBDs if backend can't handle them
Date: Fri, 23 Aug 2019 15:49:27 -0400 [thread overview]
Message-ID: <20190823194927.23278-5-dmitry.fomichev@wdc.com> (raw)
In-Reply-To: <20190823194927.23278-1-dmitry.fomichev@wdc.com>
Abort opening a zoned device as a raw file in case the chosen
block backend driver lacks proper support for this type of
storage.
Signed-off-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
---
block/file-posix.c | 14 ++++++++++++++
hw/block/fdc.c | 2 +-
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index d9f2fc5e46..090e7c4d2f 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2884,6 +2884,20 @@ static int raw_check_perm(BlockDriverState *bs, uint64_t perm, uint64_t shared,
goto fail;
}
}
+
+ /*
+ * If we are opening a zoned block device, check if the backend
+ * driver can properly handle such devices, abort if not.
+ */
+ if (bdrv_is_zoned(bs) &&
+ (shared & BLK_PERM_SUPPORT_ZONED) &&
+ !(perm & BLK_PERM_SUPPORT_ZONED)) {
+ error_setg(errp,
+ "block backend driver doesn't support HM zoned devices");
+ ret = -ENOTSUP;
+ goto fail;
+ }
+
return 0;
fail:
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index c5f41b3eb6..673a8b39bc 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -570,7 +570,7 @@ static void floppy_drive_realize(DeviceState *qdev, Error **errp)
dev->conf.werror = BLOCKDEV_ON_ERROR_AUTO;
if (!blkconf_apply_backend_options(&dev->conf, read_only, false, false,
- errp)) {
+ errp)) {
return;
}
--
2.21.0
next prev parent reply other threads:[~2019-08-23 19:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-23 19:49 [Qemu-devel] [PATCH v5 0/4] virtio/block: handle zoned backing devices Dmitry Fomichev
2019-08-23 19:49 ` [Qemu-devel] [PATCH v5 1/4] block: Add zoned device model property Dmitry Fomichev
2019-08-28 9:21 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-08-23 19:49 ` [Qemu-devel] [PATCH v5 2/4] raw: Recognize zoned backing devices Dmitry Fomichev
2019-08-28 9:32 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-08-23 19:49 ` [Qemu-devel] [PATCH v5 3/4] block/ide/scsi: Set BLK_PERM_SUPPORT_ZONED Dmitry Fomichev
2019-08-28 9:34 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-08-23 19:49 ` Dmitry Fomichev [this message]
2019-08-28 9:38 ` [Qemu-devel] [PATCH v5 4/4] raw: Don't open ZBDs if backend can't handle them Stefan Hajnoczi
2019-08-23 20:08 ` [Qemu-devel] [PATCH v5 0/4] virtio/block: handle zoned backing devices no-reply
2019-08-28 9:41 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-09-04 21:11 ` Dmitry Fomichev
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