return hval;
}
-static inline int is_data_obj_writable(SheepdogInode *inode, unsigned int idx)
+static inline bool is_data_obj_writable(SheepdogInode *inode, unsigned int idx)
{
return inode->vdi_id == inode->data_vdi_id[idx];
}
-static inline int is_data_obj(uint64_t oid)
+static inline bool is_data_obj(uint64_t oid)
{
return !(VDI_BIT & oid);
}
return ((uint64_t)vid << VDI_SPACE_SHIFT) | idx;
}
-static inline int is_snapshot(struct SheepdogInode *inode)
+static inline bool is_snapshot(struct SheepdogInode *inode)
{
return !!inode->snap_ctime;
}
Coroutine *coroutine;
void (*aio_done_func)(SheepdogAIOCB *);
- int canceled;
+ bool canceled;
int nr_pending;
};
uint32_t max_dirty_data_idx;
char name[SD_MAX_VDI_LEN];
- int is_snapshot;
- uint8_t cache_enabled;
+ bool is_snapshot;
+ bool cache_enabled;
char *addr;
char *port;
*/
acb->ret = -EIO;
qemu_coroutine_enter(acb->coroutine, NULL);
- acb->canceled = 1;
+ acb->canceled = true;
}
static AIOPool sd_aio_pool = {
acb->nb_sectors = nb_sectors;
acb->aio_done_func = NULL;
- acb->canceled = 0;
+ acb->canceled = false;
acb->coroutine = qemu_coroutine_self();
acb->ret = 0;
acb->nr_pending = 0;
}
static int coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
- struct iovec *iov, int niov, int create,
+ struct iovec *iov, int niov, bool create,
enum AIOCBState aiocb_type);
QLIST_REMOVE(aio_req, aio_siblings);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
ret = add_aio_request(s, aio_req, acb->qiov->iov,
- acb->qiov->niov, 0, acb->aiocb_type);
+ acb->qiov->niov, false, acb->aiocb_type);
if (ret < 0) {
error_report("add_aio_request is failed");
free_aio_req(s, aio_req);
}
static int coroutine_fn add_aio_request(BDRVSheepdogState *s, AIOReq *aio_req,
- struct iovec *iov, int niov, int create,
+ struct iovec *iov, int niov, bool create,
enum AIOCBState aiocb_type)
{
int nr_copies = s->inode.nr_copies;
static int read_write_object(int fd, char *buf, uint64_t oid, int copies,
unsigned int datalen, uint64_t offset,
- int write, int create, uint8_t cache)
+ bool write, bool create, bool cache)
{
SheepdogObjReq hdr;
SheepdogObjRsp *rsp = (SheepdogObjRsp *)&hdr;
}
static int read_object(int fd, char *buf, uint64_t oid, int copies,
- unsigned int datalen, uint64_t offset, uint8_t cache)
+ unsigned int datalen, uint64_t offset, bool cache)
{
- return read_write_object(fd, buf, oid, copies, datalen, offset, 0, 0,
- cache);
+ return read_write_object(fd, buf, oid, copies, datalen, offset, false,
+ false, cache);
}
static int write_object(int fd, char *buf, uint64_t oid, int copies,
- unsigned int datalen, uint64_t offset, int create,
- uint8_t cache)
+ unsigned int datalen, uint64_t offset, bool create,
+ bool cache)
{
- return read_write_object(fd, buf, oid, copies, datalen, offset, 1, create,
- cache);
+ return read_write_object(fd, buf, oid, copies, datalen, offset, true,
+ create, cache);
}
static int sd_open(BlockDriverState *bs, const char *filename, int flags)
goto out;
}
- s->cache_enabled = 1;
+ s->cache_enabled = true;
s->flush_fd = connect_to_sdog(s->addr, s->port);
if (s->flush_fd < 0) {
error_report("failed to connect");
if (snapid || tag[0] != '\0') {
dprintf("%" PRIx32 " snapshot inode was open.\n", vid);
- s->is_snapshot = 1;
+ s->is_snapshot = true;
}
fd = connect_to_sdog(s->addr, s->port);
BDRVSheepdogState *s;
char vdi[SD_MAX_VDI_LEN], tag[SD_MAX_VDI_TAG_LEN];
uint32_t snapid;
- int prealloc = 0;
+ bool prealloc = false;
const char *vdiname;
s = g_malloc0(sizeof(BDRVSheepdogState));
backing_file = options->value.s;
} else if (!strcmp(options->name, BLOCK_OPT_PREALLOC)) {
if (!options->value.s || !strcmp(options->value.s, "off")) {
- prealloc = 0;
+ prealloc = false;
} else if (!strcmp(options->value.s, "full")) {
- prealloc = 1;
+ prealloc = true;
} else {
error_report("Invalid preallocation mode: '%s'",
options->value.s);
datalen = SD_INODE_SIZE - sizeof(s->inode.data_vdi_id);
s->inode.vdi_size = offset;
ret = write_object(fd, (char *)&s->inode, vid_to_vdi_oid(s->inode.vdi_id),
- s->inode.nr_copies, datalen, 0, 0, s->cache_enabled);
+ s->inode.nr_copies, datalen, 0, false, s->cache_enabled);
close(fd);
if (ret < 0) {
aio_req = alloc_aio_req(s, acb, vid_to_vdi_oid(s->inode.vdi_id),
data_len, offset, 0, 0, offset);
QLIST_INSERT_HEAD(&s->inflight_aio_head, aio_req, aio_siblings);
- ret = add_aio_request(s, aio_req, &iov, 1, 0, AIOCB_WRITE_UDATA);
+ ret = add_aio_request(s, aio_req, &iov, 1, false, AIOCB_WRITE_UDATA);
if (ret) {
free_aio_req(s, aio_req);
acb->ret = -EIO;
memcpy(&s->inode, buf, sizeof(s->inode));
- s->is_snapshot = 0;
+ s->is_snapshot = false;
ret = 0;
dprintf("%" PRIx32 " was newly created.\n", s->inode.vdi_id);
while (done != total) {
uint8_t flags = 0;
uint64_t old_oid = 0;
- int create = 0;
+ bool create = false;
oid = vid_to_data_oid(inode->data_vdi_id[idx], idx);
break;
case AIOCB_WRITE_UDATA:
if (!inode->data_vdi_id[idx]) {
- create = 1;
+ create = true;
} else if (!is_data_obj_writable(inode, idx)) {
/* Copy-On-Write */
- create = 1;
+ create = true;
old_oid = oid;
flags = SD_FLAG_CMD_COW;
}
if (rsp->result == SD_RES_INVALID_PARMS) {
dprintf("disable write cache since the server doesn't support it\n");
- s->cache_enabled = 0;
+ s->cache_enabled = false;
closesocket(s->flush_fd);
return 0;
}
}
ret = write_object(fd, (char *)&s->inode, vid_to_vdi_oid(s->inode.vdi_id),
- s->inode.nr_copies, datalen, 0, 0, s->cache_enabled);
+ s->inode.nr_copies, datalen, 0, false, s->cache_enabled);
if (ret < 0) {
error_report("failed to write snapshot's inode.");
goto cleanup;
goto out;
}
- s->is_snapshot = 1;
+ s->is_snapshot = true;
g_free(buf);
g_free(old_s);
static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data,
int64_t pos, int size, int load)
{
- int fd, create;
- int ret = 0, remaining = size;
+ bool create;
+ int fd, ret = 0, remaining = size;
unsigned int data_len;
uint64_t vmstate_oid;
uint32_t vdi_index;