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Diffstat (limited to 'nbd')
-rw-r--r--nbd/client.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/nbd/client.c b/nbd/client.c
index f102375504..595d99ed30 100644
--- a/nbd/client.c
+++ b/nbd/client.c
@@ -627,11 +627,13 @@ fail:
}
#ifdef __linux__
-int nbd_init(int fd, QIOChannelSocket *sioc, uint16_t flags, off_t size)
+int nbd_init(int fd, QIOChannelSocket *sioc, uint16_t flags, off_t size,
+ Error **errp)
{
unsigned long sectors = size / BDRV_SECTOR_SIZE;
if (size / BDRV_SECTOR_SIZE != sectors) {
- LOG("Export size %lld too large for 32-bit kernel", (long long) size);
+ error_setg(errp, "Export size %lld too large for 32-bit kernel",
+ (long long) size);
return -E2BIG;
}
@@ -639,7 +641,7 @@ int nbd_init(int fd, QIOChannelSocket *sioc, uint16_t flags, off_t size)
if (ioctl(fd, NBD_SET_SOCK, (unsigned long) sioc->fd) < 0) {
int serrno = errno;
- LOG("Failed to set NBD socket");
+ error_setg(errp, "Failed to set NBD socket");
return -serrno;
}
@@ -647,7 +649,7 @@ int nbd_init(int fd, QIOChannelSocket *sioc, uint16_t flags, off_t size)
if (ioctl(fd, NBD_SET_BLKSIZE, (unsigned long)BDRV_SECTOR_SIZE) < 0) {
int serrno = errno;
- LOG("Failed setting NBD block size");
+ error_setg(errp, "Failed setting NBD block size");
return -serrno;
}
@@ -659,7 +661,7 @@ int nbd_init(int fd, QIOChannelSocket *sioc, uint16_t flags, off_t size)
if (ioctl(fd, NBD_SET_SIZE_BLOCKS, sectors) < 0) {
int serrno = errno;
- LOG("Failed setting size (in blocks)");
+ error_setg(errp, "Failed setting size (in blocks)");
return -serrno;
}
@@ -670,12 +672,12 @@ int nbd_init(int fd, QIOChannelSocket *sioc, uint16_t flags, off_t size)
if (ioctl(fd, BLKROSET, (unsigned long) &read_only) < 0) {
int serrno = errno;
- LOG("Failed setting read-only attribute");
+ error_setg(errp, "Failed setting read-only attribute");
return -serrno;
}
} else {
int serrno = errno;
- LOG("Failed setting flags");
+ error_setg(errp, "Failed setting flags");
return -serrno;
}
}
@@ -723,8 +725,10 @@ int nbd_disconnect(int fd)
}
#else
-int nbd_init(int fd, QIOChannelSocket *ioc, uint16_t flags, off_t size)
+int nbd_init(int fd, QIOChannelSocket *ioc, uint16_t flags, off_t size,
+ Error **errp)
{
+ error_setg(errp, "nbd_init is only supported on Linux");
return -ENOTSUP;
}
@@ -758,19 +762,19 @@ ssize_t nbd_send_request(QIOChannel *ioc, NBDRequest *request)
return write_sync(ioc, buf, sizeof(buf), NULL);
}
-ssize_t nbd_receive_reply(QIOChannel *ioc, NBDReply *reply)
+ssize_t nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp)
{
uint8_t buf[NBD_REPLY_SIZE];
uint32_t magic;
ssize_t ret;
- ret = read_sync_eof(ioc, buf, sizeof(buf), NULL);
+ ret = read_sync_eof(ioc, buf, sizeof(buf), errp);
if (ret <= 0) {
return ret;
}
if (ret != sizeof(buf)) {
- LOG("read failed");
+ error_setg(errp, "read failed");
return -EINVAL;
}
@@ -788,7 +792,7 @@ ssize_t nbd_receive_reply(QIOChannel *ioc, NBDReply *reply)
if (reply->error == ESHUTDOWN) {
/* This works even on mingw which lacks a native ESHUTDOWN */
- LOG("server shutting down");
+ error_setg(errp, "server shutting down");
return -EINVAL;
}
TRACE("Got reply: { magic = 0x%" PRIx32 ", .error = % " PRId32
@@ -796,7 +800,7 @@ ssize_t nbd_receive_reply(QIOChannel *ioc, NBDReply *reply)
magic, reply->error, reply->handle);
if (magic != NBD_REPLY_MAGIC) {
- LOG("invalid magic (got 0x%" PRIx32 ")", magic);
+ error_setg(errp, "invalid magic (got 0x%" PRIx32 ")", magic);
return -EINVAL;
}
return sizeof(buf);