From: Kevin Wolf <kwolf@suse.de>
To: xen-devel@lists.xensource.com
Subject: [PATCH] tapdisk: Fix qcow2 for images > 2 GB
Date: Fri, 27 Jun 2008 14:07:13 +0200 [thread overview]
Message-ID: <4864D7F1.4050708@suse.de> (raw)
[-- Attachment #1: Type: text/plain, Size: 80 bytes --]
tapdisk: Fix qcow2 for images > 2 GB
Signed-off-by: Kevin Wolf <kwolf@suse.de>
[-- Attachment #2: 1xxxx-qcow2-2gb-bug.patch --]
[-- Type: text/x-patch, Size: 591 bytes --]
Index: xen-3.3.0-testing/tools/blktap/drivers/block-qcow2.c
===================================================================
--- xen-3.3.0-testing.orig/tools/blktap/drivers/block-qcow2.c
+++ xen-3.3.0-testing/tools/blktap/drivers/block-qcow2.c
@@ -254,10 +254,7 @@ static int bdrv_pread(int fd, int64_t of
*/
static int bdrv_pwrite(int fd, int64_t offset, const void *buf, int count)
{
- int ret;
-
- ret = lseek(fd, offset, SEEK_SET);
- if (ret != offset) {
+ if (lseek(fd, offset, SEEK_SET) == -1) {
DPRINTF("bdrv_pwrite failed seek (%#"PRIx64").\n", offset);
return -1;
}
[-- Attachment #3: Type: text/plain, Size: 138 bytes --]
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