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nbd: Move nbd_errno_to_system_errno() to public header

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This is needed in preparation for structured reply handling,
as we will be performing the translation from NBD error to
system errno value higher in the stack at block/nbd-client.c.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20171027104037.8319-3-eblake@redhat.com>
This commit is contained in:
Eric Blake
2017-10-27 12:40:27 +02:00
parent e7a78d0eff
commit dd68944049
5 changed files with 50 additions and 45 deletions
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32
nbd/client.c
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@@ -22,38 +22,6 @@
#include "trace.h"
#include "nbd-internal.h"
static int nbd_errno_to_system_errno(int err)
{
int ret;
switch (err) {
case NBD_SUCCESS:
ret = 0;
break;
case NBD_EPERM:
ret = EPERM;
break;
case NBD_EIO:
ret = EIO;
break;
case NBD_ENOMEM:
ret = ENOMEM;
break;
case NBD_ENOSPC:
ret = ENOSPC;
break;
case NBD_ESHUTDOWN:
ret = ESHUTDOWN;
break;
default:
trace_nbd_unknown_error(err);
/* fallthrough */
case NBD_EINVAL:
ret = EINVAL;
break;
}
return ret;
}
/* Definitions for opaque data types */
static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports);