]> git.proxmox.com Git - mirror_qemu.git/blobdiff - block/sheepdog.c
Revert "vl: Fix to create migration object before block backends again"
[mirror_qemu.git] / block / sheepdog.c
index 7b98725af7b28cf29b8bb443f751ffb96584d010..cbdfe9ab6e463d07aeafd3e0b4c743c7a3bf23e8 100644 (file)
 #include "qemu/option.h"
 #include "qemu/sockets.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/bitops.h"
 #include "qemu/cutils.h"
+#include "trace.h"
 
 #define SD_PROTO_VER 0x01
 
@@ -298,19 +300,6 @@ static inline size_t count_data_objs(const struct SheepdogInode *inode)
                         (1UL << inode->block_size_shift));
 }
 
-#undef DPRINTF
-#ifdef DEBUG_SDOG
-#define DEBUG_SDOG_PRINT 1
-#else
-#define DEBUG_SDOG_PRINT 0
-#endif
-#define DPRINTF(fmt, args...)                                           \
-    do {                                                                \
-        if (DEBUG_SDOG_PRINT) {                                         \
-            fprintf(stderr, "%s %d: " fmt, __func__, __LINE__, ##args); \
-        }                                                               \
-    } while (0)
-
 typedef struct SheepdogAIOCB SheepdogAIOCB;
 typedef struct BDRVSheepdogState BDRVSheepdogState;
 
@@ -390,12 +379,12 @@ struct BDRVSheepdogState {
     uint32_t aioreq_seq_num;
 
     /* Every aio request must be linked to either of these queues. */
-    QLIST_HEAD(inflight_aio_head, AIOReq) inflight_aio_head;
-    QLIST_HEAD(failed_aio_head, AIOReq) failed_aio_head;
+    QLIST_HEAD(, AIOReq) inflight_aio_head;
+    QLIST_HEAD(, AIOReq) failed_aio_head;
 
     CoMutex queue_lock;
     CoQueue overlapping_queue;
-    QLIST_HEAD(inflight_aiocb_head, SheepdogAIOCB) inflight_aiocb_head;
+    QLIST_HEAD(, SheepdogAIOCB) inflight_aiocb_head;
 };
 
 typedef struct BDRVSheepdogReopenState {
@@ -538,27 +527,17 @@ static void sd_aio_setup(SheepdogAIOCB *acb, BDRVSheepdogState *s,
 static SocketAddress *sd_server_config(QDict *options, Error **errp)
 {
     QDict *server = NULL;
-    QObject *crumpled_server = NULL;
     Visitor *iv = NULL;
     SocketAddress *saddr = NULL;
     Error *local_err = NULL;
 
     qdict_extract_subqdict(options, &server, "server.");
 
-    crumpled_server = qdict_crumple(server, errp);
-    if (!crumpled_server) {
+    iv = qobject_input_visitor_new_flat_confused(server, errp);
+    if (!iv) {
         goto done;
     }
 
-    /*
-     * FIXME .numeric, .to, .ipv4 or .ipv6 don't work with -drive
-     * server.type=inet.  .to doesn't matter, it's ignored anyway.
-     * That's because when @options come from -blockdev or
-     * blockdev_add, members are typed according to the QAPI schema,
-     * but when they come from -drive, they're all QString.  The
-     * visitor expects the former.
-     */
-    iv = qobject_input_visitor_new(crumpled_server);
     visit_type_SocketAddress(iv, NULL, &saddr, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
@@ -567,7 +546,6 @@ static SocketAddress *sd_server_config(QDict *options, Error **errp)
 
 done:
     visit_free(iv);
-    qobject_unref(crumpled_server);
     qobject_unref(server);
     return saddr;
 }
@@ -582,7 +560,7 @@ static int connect_to_sdog(BDRVSheepdogState *s, Error **errp)
     if (s->addr->type == SOCKET_ADDRESS_TYPE_INET && fd >= 0) {
         int ret = socket_set_nodelay(fd);
         if (ret < 0) {
-            error_report("%s", strerror(errno));
+            warn_report("can't set TCP_NODELAY: %s", strerror(errno));
         }
     }
 
@@ -760,7 +738,7 @@ static coroutine_fn void reconnect_to_sdog(void *opaque)
         Error *local_err = NULL;
         s->fd = get_sheep_fd(s, &local_err);
         if (s->fd < 0) {
-            DPRINTF("Wait for connection to be established\n");
+            trace_sheepdog_reconnect_to_sdog();
             error_report_err(local_err);
             qemu_co_sleep_ns(QEMU_CLOCK_REALTIME, 1000000000ULL);
         }
@@ -857,7 +835,7 @@ static void coroutine_fn aio_read_response(void *opaque)
         break;
     case AIOCB_FLUSH_CACHE:
         if (rsp.result == SD_RES_INVALID_PARMS) {
-            DPRINTF("disable cache since the server doesn't support it\n");
+            trace_sheepdog_aio_read_response();
             s->cache_flags = SD_FLAG_CMD_DIRECT;
             rsp.result = SD_RES_SUCCESS;
         }
@@ -1234,7 +1212,7 @@ static int find_vdi_name(BDRVSheepdogState *s, const char *filename,
     SheepdogVdiReq hdr;
     SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
     unsigned int wlen, rlen = 0;
-    char buf[SD_MAX_VDI_LEN + SD_MAX_VDI_TAG_LEN];
+    char buf[SD_MAX_VDI_LEN + SD_MAX_VDI_TAG_LEN] QEMU_NONSTRING;
 
     fd = connect_to_sdog(s, errp);
     if (fd < 0) {
@@ -1649,7 +1627,7 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
     s->discard_supported = true;
 
     if (snap_id || tag[0]) {
-        DPRINTF("%" PRIx32 " snapshot inode was open.\n", vid);
+        trace_sheepdog_open(vid);
         s->is_snapshot = true;
     }
 
@@ -2180,7 +2158,6 @@ static int coroutine_fn sd_co_create_opts(const char *filename, QemuOpts *opts,
 {
     BlockdevCreateOptions *create_options = NULL;
     QDict *qdict, *location_qdict;
-    QObject *crumpled;
     Visitor *v;
     char *redundancy;
     Error *local_err = NULL;
@@ -2216,16 +2193,14 @@ static int coroutine_fn sd_co_create_opts(const char *filename, QemuOpts *opts,
     }
 
     /* Get the QAPI object */
-    crumpled = qdict_crumple(qdict, errp);
-    if (crumpled == NULL) {
+    v = qobject_input_visitor_new_flat_confused(qdict, errp);
+    if (!v) {
         ret = -EINVAL;
         goto fail;
     }
 
-    v = qobject_input_visitor_new_keyval(crumpled);
     visit_type_BlockdevCreateOptions(v, NULL, &create_options, &local_err);
     visit_free(v);
-    qobject_unref(crumpled);
 
     if (local_err) {
         error_propagate(errp, local_err);
@@ -2265,7 +2240,7 @@ static void sd_close(BlockDriverState *bs)
     unsigned int wlen, rlen = 0;
     int fd, ret;
 
-    DPRINTF("%s\n", s->name);
+    trace_sheepdog_close(s->name);
 
     fd = connect_to_sdog(s, &local_err);
     if (fd < 0) {
@@ -2305,8 +2280,8 @@ static int64_t sd_getlength(BlockDriverState *bs)
     return s->inode.vdi_size;
 }
 
-static int sd_truncate(BlockDriverState *bs, int64_t offset,
-                       PreallocMode prealloc, Error **errp)
+static int coroutine_fn sd_co_truncate(BlockDriverState *bs, int64_t offset,
+                                       PreallocMode prealloc, Error **errp)
 {
     BDRVSheepdogState *s = bs->opaque;
     int ret, fd;
@@ -2442,7 +2417,7 @@ static int sd_create_branch(BDRVSheepdogState *s)
     char *buf;
     bool deleted;
 
-    DPRINTF("%" PRIx32 " is snapshot.\n", s->inode.vdi_id);
+    trace_sheepdog_create_branch_snapshot(s->inode.vdi_id);
 
     buf = g_malloc(SD_INODE_SIZE);
 
@@ -2458,7 +2433,7 @@ static int sd_create_branch(BDRVSheepdogState *s)
         goto out;
     }
 
-    DPRINTF("%" PRIx32 " is created.\n", vid);
+    trace_sheepdog_create_branch_created(vid);
 
     fd = connect_to_sdog(s, &local_err);
     if (fd < 0) {
@@ -2480,7 +2455,7 @@ static int sd_create_branch(BDRVSheepdogState *s)
 
     s->is_snapshot = false;
     ret = 0;
-    DPRINTF("%" PRIx32 " was newly created.\n", s->inode.vdi_id);
+    trace_sheepdog_create_branch_new(s->inode.vdi_id);
 
 out:
     g_free(buf);
@@ -2574,11 +2549,11 @@ static void coroutine_fn sd_co_rw_vector(SheepdogAIOCB *acb)
         }
 
         if (create) {
-            DPRINTF("update ino (%" PRIu32 ") %" PRIu64 " %" PRIu64 " %ld\n",
-                    inode->vdi_id, oid,
-                    vid_to_data_oid(inode->data_vdi_id[idx], idx), idx);
+            trace_sheepdog_co_rw_vector_update(inode->vdi_id, oid,
+                                  vid_to_data_oid(inode->data_vdi_id[idx], idx),
+                                  idx);
             oid = vid_to_data_oid(inode->vdi_id, idx);
-            DPRINTF("new oid %" PRIx64 "\n", oid);
+            trace_sheepdog_co_rw_vector_new(oid);
         }
 
         aio_req = alloc_aio_req(s, acb, oid, len, offset, flags, create,
@@ -2622,7 +2597,7 @@ static coroutine_fn int sd_co_writev(BlockDriverState *bs, int64_t sector_num,
 
     assert(!flags);
     if (offset > s->inode.vdi_size) {
-        ret = sd_truncate(bs, offset, PREALLOC_MODE_OFF, NULL);
+        ret = sd_co_truncate(bs, offset, PREALLOC_MODE_OFF, NULL);
         if (ret < 0) {
             return ret;
         }
@@ -2683,9 +2658,8 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
     SheepdogInode *inode;
     unsigned int datalen;
 
-    DPRINTF("sn_info: name %s id_str %s s: name %s vm_state_size %" PRId64 " "
-            "is_snapshot %d\n", sn_info->name, sn_info->id_str,
-            s->name, sn_info->vm_state_size, s->is_snapshot);
+    trace_sheepdog_snapshot_create_info(sn_info->name, sn_info->id_str, s->name,
+                                        sn_info->vm_state_size, s->is_snapshot);
 
     if (s->is_snapshot) {
         error_report("You can't create a snapshot of a snapshot VDI, "
@@ -2694,7 +2668,7 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
         return -EINVAL;
     }
 
-    DPRINTF("%s %s\n", sn_info->name, sn_info->id_str);
+    trace_sheepdog_snapshot_create(sn_info->name, sn_info->id_str);
 
     s->inode.vm_state_size = sn_info->vm_state_size;
     s->inode.vm_clock_nsec = sn_info->vm_clock_nsec;
@@ -2739,8 +2713,8 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
     }
 
     memcpy(&s->inode, inode, datalen);
-    DPRINTF("s->inode: name %s snap_id %x oid %x\n",
-            s->inode.name, s->inode.snap_id, s->inode.vdi_id);
+    trace_sheepdog_snapshot_create_inode(s->inode.name, s->inode.snap_id,
+                                         s->inode.vdi_id);
 
 cleanup:
     g_free(inode);
@@ -3229,6 +3203,15 @@ static QemuOptsList sd_create_opts = {
     }
 };
 
+static const char *const sd_strong_runtime_opts[] = {
+    "vdi",
+    "snap-id",
+    "tag",
+    "server.",
+
+    NULL
+};
+
 static BlockDriver bdrv_sheepdog = {
     .format_name                  = "sheepdog",
     .protocol_name                = "sheepdog",
@@ -3244,7 +3227,7 @@ static BlockDriver bdrv_sheepdog = {
     .bdrv_has_zero_init           = bdrv_has_zero_init_1,
     .bdrv_getlength               = sd_getlength,
     .bdrv_get_allocated_file_size = sd_get_allocated_file_size,
-    .bdrv_truncate                = sd_truncate,
+    .bdrv_co_truncate             = sd_co_truncate,
 
     .bdrv_co_readv                = sd_co_readv,
     .bdrv_co_writev               = sd_co_writev,
@@ -3264,6 +3247,7 @@ static BlockDriver bdrv_sheepdog = {
     .bdrv_attach_aio_context      = sd_attach_aio_context,
 
     .create_opts                  = &sd_create_opts,
+    .strong_runtime_opts          = sd_strong_runtime_opts,
 };
 
 static BlockDriver bdrv_sheepdog_tcp = {
@@ -3281,7 +3265,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
     .bdrv_has_zero_init           = bdrv_has_zero_init_1,
     .bdrv_getlength               = sd_getlength,
     .bdrv_get_allocated_file_size = sd_get_allocated_file_size,
-    .bdrv_truncate                = sd_truncate,
+    .bdrv_co_truncate             = sd_co_truncate,
 
     .bdrv_co_readv                = sd_co_readv,
     .bdrv_co_writev               = sd_co_writev,
@@ -3301,6 +3285,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
     .bdrv_attach_aio_context      = sd_attach_aio_context,
 
     .create_opts                  = &sd_create_opts,
+    .strong_runtime_opts          = sd_strong_runtime_opts,
 };
 
 static BlockDriver bdrv_sheepdog_unix = {
@@ -3318,7 +3303,7 @@ static BlockDriver bdrv_sheepdog_unix = {
     .bdrv_has_zero_init           = bdrv_has_zero_init_1,
     .bdrv_getlength               = sd_getlength,
     .bdrv_get_allocated_file_size = sd_get_allocated_file_size,
-    .bdrv_truncate                = sd_truncate,
+    .bdrv_co_truncate             = sd_co_truncate,
 
     .bdrv_co_readv                = sd_co_readv,
     .bdrv_co_writev               = sd_co_writev,
@@ -3338,6 +3323,7 @@ static BlockDriver bdrv_sheepdog_unix = {
     .bdrv_attach_aio_context      = sd_attach_aio_context,
 
     .create_opts                  = &sd_create_opts,
+    .strong_runtime_opts          = sd_strong_runtime_opts,
 };
 
 static void bdrv_sheepdog_init(void)