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Diffstat (limited to 'block/sheepdog.c')
-rw-r--r--block/sheepdog.c77
1 files changed, 55 insertions, 22 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 2c3fb016a8..ff0aa896b6 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -526,17 +526,16 @@ static SheepdogAIOCB *sd_aio_setup(BlockDriverState *bs, QEMUIOVector *qiov,
return acb;
}
-static int connect_to_sdog(BDRVSheepdogState *s)
+static int connect_to_sdog(BDRVSheepdogState *s, Error **errp)
{
int fd;
- Error *err = NULL;
if (s->is_unix) {
- fd = unix_connect(s->host_spec, &err);
+ fd = unix_connect(s->host_spec, errp);
} else {
- fd = inet_connect(s->host_spec, &err);
+ fd = inet_connect(s->host_spec, errp);
- if (err == NULL) {
+ if (fd >= 0) {
int ret = socket_set_nodelay(fd);
if (ret < 0) {
error_report("%s", strerror(errno));
@@ -544,10 +543,7 @@ static int connect_to_sdog(BDRVSheepdogState *s)
}
}
- if (err != NULL) {
- qerror_report_err(err);
- error_free(err);
- } else {
+ if (fd >= 0) {
qemu_set_nonblock(fd);
}
@@ -916,10 +912,13 @@ static void co_write_request(void *opaque)
*/
static int get_sheep_fd(BDRVSheepdogState *s)
{
+ Error *local_err = NULL;
int fd;
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return fd;
}
@@ -1063,14 +1062,17 @@ static int find_vdi_name(BDRVSheepdogState *s, const char *filename,
uint32_t snapid, const char *tag, uint32_t *vid,
bool lock)
{
+ Error *local_err = NULL;
int ret, fd;
SheepdogVdiReq hdr;
SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
unsigned int wlen, rlen = 0;
char buf[SD_MAX_VDI_LEN + SD_MAX_VDI_TAG_LEN];
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return fd;
}
@@ -1263,12 +1265,15 @@ static int write_object(int fd, char *buf, uint64_t oid, uint8_t copies,
/* update inode with the latest state */
static int reload_inode(BDRVSheepdogState *s, uint32_t snapid, const char *tag)
{
+ Error *local_err = NULL;
SheepdogInode *inode;
int ret = 0, fd;
uint32_t vid = 0;
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return -EIO;
}
@@ -1436,8 +1441,10 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
s->is_snapshot = true;
}
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
ret = fd;
goto out;
}
@@ -1474,14 +1481,17 @@ out:
static int do_sd_create(BDRVSheepdogState *s, uint32_t *vdi_id, int snapshot)
{
+ Error *local_err = NULL;
SheepdogVdiReq hdr;
SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
int fd, ret;
unsigned int wlen, rlen = 0;
char buf[SD_MAX_VDI_LEN];
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return fd;
}
@@ -1730,6 +1740,7 @@ out:
static void sd_close(BlockDriverState *bs)
{
+ Error *local_err = NULL;
BDRVSheepdogState *s = bs->opaque;
SheepdogVdiReq hdr;
SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
@@ -1738,8 +1749,10 @@ static void sd_close(BlockDriverState *bs)
DPRINTF("%s\n", s->name);
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return;
}
@@ -1774,6 +1787,7 @@ static int64_t sd_getlength(BlockDriverState *bs)
static int sd_truncate(BlockDriverState *bs, int64_t offset)
{
+ Error *local_err = NULL;
BDRVSheepdogState *s = bs->opaque;
int ret, fd;
unsigned int datalen;
@@ -1786,8 +1800,10 @@ static int sd_truncate(BlockDriverState *bs, int64_t offset)
return -EINVAL;
}
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return fd;
}
@@ -1846,6 +1862,7 @@ static void coroutine_fn sd_write_done(SheepdogAIOCB *acb)
/* Delete current working VDI on the snapshot chain */
static bool sd_delete(BDRVSheepdogState *s)
{
+ Error *local_err = NULL;
unsigned int wlen = SD_MAX_VDI_LEN, rlen = 0;
SheepdogVdiReq hdr = {
.opcode = SD_OP_DEL_VDI,
@@ -1856,8 +1873,10 @@ static bool sd_delete(BDRVSheepdogState *s)
SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
int fd, ret;
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return false;
}
@@ -1885,6 +1904,7 @@ static bool sd_delete(BDRVSheepdogState *s)
*/
static int sd_create_branch(BDRVSheepdogState *s)
{
+ Error *local_err = NULL;
int ret, fd;
uint32_t vid;
char *buf;
@@ -1907,8 +1927,10 @@ static int sd_create_branch(BDRVSheepdogState *s)
DPRINTF("%" PRIx32 " is created.\n", vid);
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
ret = fd;
goto out;
}
@@ -2122,6 +2144,7 @@ static int coroutine_fn sd_co_flush_to_disk(BlockDriverState *bs)
static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
{
+ Error *local_err = NULL;
BDRVSheepdogState *s = bs->opaque;
int ret, fd;
uint32_t new_vid;
@@ -2151,8 +2174,10 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
datalen = SD_INODE_SIZE - sizeof(s->inode.data_vdi_id);
/* refresh inode. */
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
ret = fd;
goto cleanup;
}
@@ -2249,6 +2274,7 @@ static int sd_snapshot_delete(BlockDriverState *bs,
static int sd_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
{
+ Error *local_err = NULL;
BDRVSheepdogState *s = bs->opaque;
SheepdogReq req;
int fd, nr = 1024, ret, max = BITS_TO_LONGS(SD_NR_VDIS) * sizeof(long);
@@ -2263,8 +2289,10 @@ static int sd_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
vdi_inuse = g_malloc(max);
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
ret = fd;
goto out;
}
@@ -2290,8 +2318,10 @@ static int sd_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
hval = fnv_64a_buf(s->name, strlen(s->name), FNV1A_64_INIT);
start_nr = hval & (SD_NR_VDIS - 1);
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
ret = fd;
goto out;
}
@@ -2341,6 +2371,7 @@ out:
static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data,
int64_t pos, int size, int load)
{
+ Error *local_err = NULL;
bool create;
int fd, ret = 0, remaining = size;
unsigned int data_len;
@@ -2349,8 +2380,10 @@ static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data,
uint32_t vdi_index;
uint32_t vdi_id = load ? s->inode.parent_vdi_id : s->inode.vdi_id;
- fd = connect_to_sdog(s);
+ fd = connect_to_sdog(s, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return fd;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-27 02:02:33 +0000