diff options
| -rw-r--r-- | block/rbd.c | 71 |
1 files changed, 39 insertions, 32 deletions
diff --git a/block/rbd.c b/block/rbd.c index dbc79f4..09af484 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -105,7 +105,7 @@ typedef struct BDRVRBDState { static int qemu_rbd_next_tok(char *dst, int dst_len, char *src, char delim, const char *name, - char **p) + char **p, Error **errp) { int l; char *end; @@ -128,10 +128,10 @@ static int qemu_rbd_next_tok(char *dst, int dst_len, } l = strlen(src); if (l >= dst_len) { - error_report("%s too long", name); + error_setg(errp, "%s too long", name); return -EINVAL; } else if (l == 0) { - error_report("%s too short", name); + error_setg(errp, "%s too short", name); return -EINVAL; } @@ -157,13 +157,15 @@ static int qemu_rbd_parsename(const char *filename, char *pool, int pool_len, char *snap, int snap_len, char *name, int name_len, - char *conf, int conf_len) + char *conf, int conf_len, + Error **errp) { const char *start; char *p, *buf; int ret; if (!strstart(filename, "rbd:", &start)) { + error_setg(errp, "File name must start with 'rbd:'"); return -EINVAL; } @@ -172,7 +174,8 @@ static int qemu_rbd_parsename(const char *filename, *snap = '\0'; *conf = '\0'; - ret = qemu_rbd_next_tok(pool, pool_len, p, '/', "pool name", &p); + ret = qemu_rbd_next_tok(pool, pool_len, p, + '/', "pool name", &p, errp); if (ret < 0 || !p) { ret = -EINVAL; goto done; @@ -180,21 +183,25 @@ static int qemu_rbd_parsename(const char *filename, qemu_rbd_unescape(pool); if (strchr(p, '@')) { - ret = qemu_rbd_next_tok(name, name_len, p, '@', "object name", &p); + ret = qemu_rbd_next_tok(name, name_len, p, + '@', "object name", &p, errp); if (ret < 0) { goto done; } - ret = qemu_rbd_next_tok(snap, snap_len, p, ':', "snap name", &p); + ret = qemu_rbd_next_tok(snap, snap_len, p, + ':', "snap name", &p, errp); qemu_rbd_unescape(snap); } else { - ret = qemu_rbd_next_tok(name, name_len, p, ':', "object name", &p); + ret = qemu_rbd_next_tok(name, name_len, p, + ':', "object name", &p, errp); } qemu_rbd_unescape(name); if (ret < 0 || !p) { goto done; } - ret = qemu_rbd_next_tok(conf, conf_len, p, '\0', "configuration", &p); + ret = qemu_rbd_next_tok(conf, conf_len, p, + '\0', "configuration", &p, errp); done: g_free(buf); @@ -229,7 +236,7 @@ static char *qemu_rbd_parse_clientname(const char *conf, char *clientname) return NULL; } -static int qemu_rbd_set_conf(rados_t cluster, const char *conf) +static int qemu_rbd_set_conf(rados_t cluster, const char *conf, Error **errp) { char *p, *buf; char name[RBD_MAX_CONF_NAME_SIZE]; @@ -241,20 +248,20 @@ static int qemu_rbd_set_conf(rados_t cluster, const char *conf) while (p) { ret = qemu_rbd_next_tok(name, sizeof(name), p, - '=', "conf option name", &p); + '=', "conf option name", &p, errp); if (ret < 0) { break; } qemu_rbd_unescape(name); if (!p) { - error_report("conf option %s has no value", name); + error_setg(errp, "conf option %s has no value", name); ret = -EINVAL; break; } ret = qemu_rbd_next_tok(value, sizeof(value), p, - ':', "conf option value", &p); + ':', "conf option value", &p, errp); if (ret < 0) { break; } @@ -263,7 +270,7 @@ static int qemu_rbd_set_conf(rados_t cluster, const char *conf) if (strcmp(name, "conf") == 0) { ret = rados_conf_read_file(cluster, value); if (ret < 0) { - error_report("error reading conf file %s", value); + error_setg(errp, "error reading conf file %s", value); break; } } else if (strcmp(name, "id") == 0) { @@ -271,7 +278,7 @@ static int qemu_rbd_set_conf(rados_t cluster, const char *conf) } else { ret = rados_conf_set(cluster, name, value); if (ret < 0) { - error_report("invalid conf option %s", name); + error_setg(errp, "invalid conf option %s", name); ret = -EINVAL; break; } @@ -285,6 +292,7 @@ static int qemu_rbd_set_conf(rados_t cluster, const char *conf) static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options, Error **errp) { + Error *local_err = NULL; int64_t bytes = 0; int64_t objsize; int obj_order = 0; @@ -301,7 +309,8 @@ static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options, if (qemu_rbd_parsename(filename, pool, sizeof(pool), snap_buf, sizeof(snap_buf), name, sizeof(name), - conf, sizeof(conf)) < 0) { + conf, sizeof(conf), &local_err) < 0) { + error_propagate(errp, local_err); return -EINVAL; } @@ -313,11 +322,11 @@ static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options, if (options->value.n) { objsize = options->value.n; if ((objsize - 1) & objsize) { /* not a power of 2? */ - error_report("obj size needs to be power of 2"); + error_setg(errp, "obj size needs to be power of 2"); return -EINVAL; } if (objsize < 4096) { - error_report("obj size too small"); + error_setg(errp, "obj size too small"); return -EINVAL; } obj_order = ffs(objsize) - 1; @@ -328,7 +337,7 @@ static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options, clientname = qemu_rbd_parse_clientname(conf, clientname_buf); if (rados_create(&cluster, clientname) < 0) { - error_report("error initializing"); + error_setg(errp, "error initializing"); return -EIO; } @@ -338,20 +347,20 @@ static int qemu_rbd_create(const char *filename, QEMUOptionParameter *options, } if (conf[0] != '\0' && - qemu_rbd_set_conf(cluster, conf) < 0) { - error_report("error setting config options"); + qemu_rbd_set_conf(cluster, conf, &local_err) < 0) { rados_shutdown(cluster); + error_propagate(errp, local_err); return -EIO; } if (rados_connect(cluster) < 0) { - error_report("error connecting"); + error_setg(errp, "error connecting"); rados_shutdown(cluster); return -EIO; } if (rados_ioctx_create(cluster, pool, &io_ctx) < 0) { - error_report("error opening pool %s", pool); + error_setg(errp, "error opening pool %s", pool); rados_shutdown(cluster); return -EIO; } @@ -441,8 +450,7 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags, opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort); qemu_opts_absorb_qdict(opts, options, &local_err); if (local_err) { - qerror_report_err(local_err); - error_free(local_err); + error_propagate(errp, local_err); qemu_opts_del(opts); return -EINVAL; } @@ -452,7 +460,7 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags, if (qemu_rbd_parsename(filename, pool, sizeof(pool), snap_buf, sizeof(snap_buf), s->name, sizeof(s->name), - conf, sizeof(conf)) < 0) { + conf, sizeof(conf), errp) < 0) { r = -EINVAL; goto failed_opts; } @@ -460,7 +468,7 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags, clientname = qemu_rbd_parse_clientname(conf, clientname_buf); r = rados_create(&s->cluster, clientname); if (r < 0) { - error_report("error initializing"); + error_setg(&local_err, "error initializing"); goto failed_opts; } @@ -488,28 +496,27 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags, } if (conf[0] != '\0') { - r = qemu_rbd_set_conf(s->cluster, conf); + r = qemu_rbd_set_conf(s->cluster, conf, errp); if (r < 0) { - error_report("error setting config options"); goto failed_shutdown; } } r = rados_connect(s->cluster); if (r < 0) { - error_report("error connecting"); + error_setg(&local_err, "error connecting"); goto failed_shutdown; } r = rados_ioctx_create(s->cluster, pool, &s->io_ctx); if (r < 0) { - error_report("error opening pool %s", pool); + error_setg(&local_err, "error opening pool %s", pool); goto failed_shutdown; } r = rbd_open(s->io_ctx, s->name, &s->image, s->snap); if (r < 0) { - error_report("error reading header from %s", s->name); + error_setg(&local_err, "error reading header from %s", s->name); goto failed_open; } |