C++ ceph_decode_32函数代码示例

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本文整理汇总了C++中ceph_decode_32函数的典型用法代码示例。如果您正苦于以下问题：C++ ceph_decode_32函数的具体用法？C++ ceph_decode_32怎么用？C++ ceph_decode_32使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了ceph_decode_32函数的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: __decode_and_drop_compat_set

static int __decode_and_drop_compat_set(void **p, void* end)
{
	int i;
	/* compat, ro_compat, incompat*/
	for (i = 0; i < 3; i++) {
		u32 n;
		ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad);
		/* mask */
		*p += sizeof(u64);
		/* names (map<u64, string>) */
		n = ceph_decode_32(p);
		while (n-- > 0) {
			u32 len;
			ceph_decode_need(p, end, sizeof(u64) + sizeof(u32),
					 bad);
			*p += sizeof(u64);
			len = ceph_decode_32(p);
			ceph_decode_need(p, end, len, bad);
			*p += len;
		}
	}
	return 0;
bad:
	return -1;
}

开发者ID:AshishNamdev，项目名称:linux，代码行数:25，代码来源:mdsmap.c

示例2: decode_locker

static int decode_locker(void **p, void *end, struct ceph_locker *locker)
{
	u8 struct_v;
	u32 len;
	char *s;
	int ret;

	ret = ceph_start_decoding(p, end, 1, "locker_id_t", &struct_v, &len);
	if (ret)
		return ret;

	ceph_decode_copy(p, &locker->id.name, sizeof(locker->id.name));
	s = ceph_extract_encoded_string(p, end, NULL, GFP_NOIO);
	if (IS_ERR(s))
		return PTR_ERR(s);

	locker->id.cookie = s;

	ret = ceph_start_decoding(p, end, 1, "locker_info_t", &struct_v, &len);
	if (ret)
		return ret;

	*p += sizeof(struct ceph_timespec); /* skip expiration */
	ceph_decode_copy(p, &locker->info.addr, sizeof(locker->info.addr));
	ceph_decode_addr(&locker->info.addr);
	len = ceph_decode_32(p);
	*p += len; /* skip description */

	dout("%s %s%llu cookie %s addr %s\n", __func__,
	     ENTITY_NAME(locker->id.name), locker->id.cookie,
	     ceph_pr_addr(&locker->info.addr.in_addr));
	return 0;
}

开发者ID:AlexShiLucky，项目名称:linux，代码行数:33，代码来源:cls_lock_client.c

示例3: ceph_decode_32_safe

/*
 * Decode a monmap blob (e.g., during mount).
 */
struct ceph_monmap *ceph_monmap_decode(void *p, void *end)
{
	struct ceph_monmap *m = NULL;
	int i, err = -EINVAL;
	struct ceph_fsid fsid;
	u32 epoch, num_mon;
	u16 version;
	u32 len;

	ceph_decode_32_safe(&p, end, len, bad);
	ceph_decode_need(&p, end, len, bad);

	dout("monmap_decode %p %p len %d\n", p, end, (int)(end-p));

	ceph_decode_16_safe(&p, end, version, bad);

	ceph_decode_need(&p, end, sizeof(fsid) + 2*sizeof(u32), bad);
	ceph_decode_copy(&p, &fsid, sizeof(fsid));
	epoch = ceph_decode_32(&p);

	num_mon = ceph_decode_32(&p);
	ceph_decode_need(&p, end, num_mon*sizeof(m->mon_inst[0]), bad);

	if (num_mon >= CEPH_MAX_MON)
		goto bad;
	m = kmalloc(sizeof(*m) + sizeof(m->mon_inst[0])*num_mon, GFP_NOFS);
	if (m == NULL)
		return ERR_PTR(-ENOMEM);
	m->fsid = fsid;
	m->epoch = epoch;
	m->num_mon = num_mon;
	ceph_decode_copy(&p, m->mon_inst, num_mon*sizeof(m->mon_inst[0]));
	for (i = 0; i < num_mon; i++)
		ceph_decode_addr(&m->mon_inst[i].addr);

	dout("monmap_decode epoch %d, num_mon %d\n", m->epoch,
	     m->num_mon);
	for (i = 0; i < m->num_mon; i++)
		dout("monmap_decode  mon%d is %s\n", i,
		     ceph_pr_addr(&m->mon_inst[i].addr.in_addr));
	return m;

bad:
	dout("monmap_decode failed with %d\n", err);
	kfree(m);
	return ERR_PTR(err);
}

开发者ID:acton393，项目名称:linux，代码行数:50，代码来源:mon_client.c

示例4: crush_decode_uniform_bucket

/*
 * decode crush map
 */
static int crush_decode_uniform_bucket(void **p, void *end,
				       struct crush_bucket_uniform *b)
{
	dout("crush_decode_uniform_bucket %p to %p\n", *p, end);
	ceph_decode_need(p, end, (1+b->h.size) * sizeof(u32), bad);
	b->item_weight = ceph_decode_32(p);
	return 0;
bad:
	return -EINVAL;
}

开发者ID:1yankeedt，项目名称:D710BST_FL24_Kernel，代码行数:13，代码来源:osdmap.c

示例5: crush_decode_list_bucket

static int crush_decode_list_bucket(void **p, void *end,
				    struct crush_bucket_list *b)
{
	int j;
	dout("crush_decode_list_bucket %p to %p\n", *p, end);
	b->item_weights = kcalloc(b->h.size, sizeof(u32), GFP_NOFS);
	if (b->item_weights == NULL)
		return -ENOMEM;
	b->sum_weights = kcalloc(b->h.size, sizeof(u32), GFP_NOFS);
	if (b->sum_weights == NULL)
		return -ENOMEM;
	ceph_decode_need(p, end, 2 * b->h.size * sizeof(u32), bad);
	for (j = 0; j < b->h.size; j++) {
		b->item_weights[j] = ceph_decode_32(p);
		b->sum_weights[j] = ceph_decode_32(p);
	}
	return 0;
bad:
	return -EINVAL;
}

开发者ID:1yankeedt，项目名称:D710BST_FL24_Kernel，代码行数:20，代码来源:osdmap.c

示例6: crush_decode_straw_bucket

static int crush_decode_straw_bucket(void **p, void *end,
				     struct crush_bucket_straw *b)
{
	int j;
	printf("crush_decode_straw_bucket %p to %p\n", *p, end);
	b->item_weights = calloc(b->h.size, sizeof(__u32));
	if (b->item_weights == NULL)
		return -ENOMEM;
	b->straws = calloc(b->h.size, sizeof(__u32));
	if (b->straws == NULL)
		return -ENOMEM;
	ceph_decode_need(p, end, 2 * b->h.size * sizeof(__u32), bad);
	for (j = 0; j < b->h.size; j++) {
		b->item_weights[j] = ceph_decode_32(p);
		b->straws[j] = ceph_decode_32(p);
	}
	return 0;
bad:
	return -EINVAL;
}

开发者ID:kirill-kuznetsov，项目名称:diploma，代码行数:20，代码来源:cs_crush.c

示例7: crush_decode_tree_bucket

static int crush_decode_tree_bucket(void **p, void *end,
				    struct crush_bucket_tree *b)
{
	int j;
	dout("crush_decode_tree_bucket %p to %p\n", *p, end);
	ceph_decode_32_safe(p, end, b->num_nodes, bad);
	b->node_weights = kcalloc(b->num_nodes, sizeof(u32), GFP_NOFS);
	if (b->node_weights == NULL)
		return -ENOMEM;
	ceph_decode_need(p, end, b->num_nodes * sizeof(u32), bad);
	for (j = 0; j < b->num_nodes; j++)
		b->node_weights[j] = ceph_decode_32(p);
	return 0;
bad:
	return -EINVAL;
}

开发者ID:1yankeedt，项目名称:D710BST_FL24_Kernel，代码行数:16，代码来源:osdmap.c

示例8: ceph_decode_buffer

int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end)
{
	size_t len;

	ceph_decode_need(p, end, sizeof(u32), bad);
	len = ceph_decode_32(p);
	dout("decode_buffer len %d\n", (int)len);
	ceph_decode_need(p, end, len, bad);
	*b = ceph_buffer_new(len, GFP_NOFS);
	if (!*b)
		return -ENOMEM;
	ceph_decode_copy(p, (*b)->vec.iov_base, len);
	return 0;
bad:
	return -EINVAL;
}

开发者ID:CSCLOG，项目名称:beaglebone，代码行数:16，代码来源:buffer.c

示例9: decode_lockers

static int decode_lockers(void **p, void *end, u8 *type, char **tag,
			  struct ceph_locker **lockers, u32 *num_lockers)
{
	u8 struct_v;
	u32 struct_len;
	char *s;
	int i;
	int ret;

	ret = ceph_start_decoding(p, end, 1, "cls_lock_get_info_reply",
				  &struct_v, &struct_len);
	if (ret)
		return ret;

	*num_lockers = ceph_decode_32(p);
	*lockers = kcalloc(*num_lockers, sizeof(**lockers), GFP_NOIO);
	if (!*lockers)
		return -ENOMEM;

	for (i = 0; i < *num_lockers; i++) {
		ret = decode_locker(p, end, *lockers + i);
		if (ret)
			goto err_free_lockers;
	}

	*type = ceph_decode_8(p);
	s = ceph_extract_encoded_string(p, end, NULL, GFP_NOIO);
	if (IS_ERR(s)) {
		ret = PTR_ERR(s);
		goto err_free_lockers;
	}

	*tag = s;
	return 0;

err_free_lockers:
	ceph_free_lockers(*lockers, *num_lockers);
	return ret;
}

开发者ID:AlexShiLucky，项目名称:linux，代码行数:39，代码来源:cls_lock_client.c

示例10: dout

static struct crush_map *crush_decode(void *pbyval, void *end)
{
	struct crush_map *c;
	int err = -EINVAL;
	int i, j;
	void **p = &pbyval;
	void *start = pbyval;
	u32 magic;

	dout("crush_decode %p to %p len %d\n", *p, end, (int)(end - *p));

	c = kzalloc(sizeof(*c), GFP_NOFS);
	if (c == NULL)
		return ERR_PTR(-ENOMEM);

	ceph_decode_need(p, end, 4*sizeof(u32), bad);
	magic = ceph_decode_32(p);
	if (magic != CRUSH_MAGIC) {
		pr_err("crush_decode magic %x != current %x\n",
		       (unsigned)magic, (unsigned)CRUSH_MAGIC);
		goto bad;
	}
	c->max_buckets = ceph_decode_32(p);
	c->max_rules = ceph_decode_32(p);
	c->max_devices = ceph_decode_32(p);

	c->device_parents = kcalloc(c->max_devices, sizeof(u32), GFP_NOFS);
	if (c->device_parents == NULL)
		goto badmem;
	c->bucket_parents = kcalloc(c->max_buckets, sizeof(u32), GFP_NOFS);
	if (c->bucket_parents == NULL)
		goto badmem;

	c->buckets = kcalloc(c->max_buckets, sizeof(*c->buckets), GFP_NOFS);
	if (c->buckets == NULL)
		goto badmem;
	c->rules = kcalloc(c->max_rules, sizeof(*c->rules), GFP_NOFS);
	if (c->rules == NULL)
		goto badmem;

	/* buckets */
	for (i = 0; i < c->max_buckets; i++) {
		int size = 0;
		u32 alg;
		struct crush_bucket *b;

		ceph_decode_32_safe(p, end, alg, bad);
		if (alg == 0) {
			c->buckets[i] = NULL;
			continue;
		}
		dout("crush_decode bucket %d off %x %p to %p\n",
		     i, (int)(*p-start), *p, end);

		switch (alg) {
		case CRUSH_BUCKET_UNIFORM:
			size = sizeof(struct crush_bucket_uniform);
			break;
		case CRUSH_BUCKET_LIST:
			size = sizeof(struct crush_bucket_list);
			break;
		case CRUSH_BUCKET_TREE:
			size = sizeof(struct crush_bucket_tree);
			break;
		case CRUSH_BUCKET_STRAW:
			size = sizeof(struct crush_bucket_straw);
			break;
		default:
			err = -EINVAL;
			goto bad;
		}
		BUG_ON(size == 0);
		b = c->buckets[i] = kzalloc(size, GFP_NOFS);
		if (b == NULL)
			goto badmem;

		ceph_decode_need(p, end, 4*sizeof(u32), bad);
		b->id = ceph_decode_32(p);
		b->type = ceph_decode_16(p);
		b->alg = ceph_decode_8(p);
		b->hash = ceph_decode_8(p);
		b->weight = ceph_decode_32(p);
		b->size = ceph_decode_32(p);

		dout("crush_decode bucket size %d off %x %p to %p\n",
		     b->size, (int)(*p-start), *p, end);

		b->items = kcalloc(b->size, sizeof(__s32), GFP_NOFS);
		if (b->items == NULL)
			goto badmem;
		b->perm = kcalloc(b->size, sizeof(u32), GFP_NOFS);
		if (b->perm == NULL)
			goto badmem;
		b->perm_n = 0;

		ceph_decode_need(p, end, b->size*sizeof(u32), bad);
		for (j = 0; j < b->size; j++)
			b->items[j] = ceph_decode_32(p);

		switch (b->alg) {
//.........这里部分代码省略.........

开发者ID:1yankeedt，项目名称:D710BST_FL24_Kernel，代码行数:101，代码来源:osdmap.c

示例11: kzalloc

/*
 * Decode an MDS map
 *
 * Ignore any fields we don't care about (there are quite a few of
 * them).
 */
struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end)
{
	struct ceph_mdsmap *m;
	const void *start = *p;
	int i, j, n;
	int err = -EINVAL;
	u8 mdsmap_v, mdsmap_cv;

	m = kzalloc(sizeof(*m), GFP_NOFS);
	if (m == NULL)
		return ERR_PTR(-ENOMEM);

	ceph_decode_need(p, end, 1 + 1, bad);
	mdsmap_v = ceph_decode_8(p);
	mdsmap_cv = ceph_decode_8(p);
	if (mdsmap_v >= 4) {
	       u32 mdsmap_len;
	       ceph_decode_32_safe(p, end, mdsmap_len, bad);
	       if (end < *p + mdsmap_len)
		       goto bad;
	       end = *p + mdsmap_len;
	}

	ceph_decode_need(p, end, 8*sizeof(u32) + sizeof(u64), bad);
	m->m_epoch = ceph_decode_32(p);
	m->m_client_epoch = ceph_decode_32(p);
	m->m_last_failure = ceph_decode_32(p);
	m->m_root = ceph_decode_32(p);
	m->m_session_timeout = ceph_decode_32(p);
	m->m_session_autoclose = ceph_decode_32(p);
	m->m_max_file_size = ceph_decode_64(p);
	m->m_max_mds = ceph_decode_32(p);

	m->m_info = kcalloc(m->m_max_mds, sizeof(*m->m_info), GFP_NOFS);
	if (m->m_info == NULL)
		goto badmem;

	/* pick out active nodes from mds_info (state > 0) */
	n = ceph_decode_32(p);
	for (i = 0; i < n; i++) {
		u64 global_id;
		u32 namelen;
		s32 mds, inc, state;
		u64 state_seq;
		u8 info_v;
		void *info_end = NULL;
		struct ceph_entity_addr addr;
		u32 num_export_targets;
		void *pexport_targets = NULL;
		struct ceph_timespec laggy_since;
		struct ceph_mds_info *info;

		ceph_decode_need(p, end, sizeof(u64) + 1, bad);
		global_id = ceph_decode_64(p);
		info_v= ceph_decode_8(p);
		if (info_v >= 4) {
			u32 info_len;
			u8 info_cv;
			ceph_decode_need(p, end, 1 + sizeof(u32), bad);
			info_cv = ceph_decode_8(p);
			info_len = ceph_decode_32(p);
			info_end = *p + info_len;
			if (info_end > end)
				goto bad;
		}

		ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad);
		*p += sizeof(u64);
		namelen = ceph_decode_32(p);  /* skip mds name */
		*p += namelen;

		ceph_decode_need(p, end,
				 4*sizeof(u32) + sizeof(u64) +
				 sizeof(addr) + sizeof(struct ceph_timespec),
				 bad);
		mds = ceph_decode_32(p);
		inc = ceph_decode_32(p);
		state = ceph_decode_32(p);
		state_seq = ceph_decode_64(p);
		ceph_decode_copy(p, &addr, sizeof(addr));
		ceph_decode_addr(&addr);
		ceph_decode_copy(p, &laggy_since, sizeof(laggy_since));
		*p += sizeof(u32);
		ceph_decode_32_safe(p, end, namelen, bad);
		*p += namelen;
		if (info_v >= 2) {
			ceph_decode_32_safe(p, end, num_export_targets, bad);
			pexport_targets = *p;
			*p += num_export_targets * sizeof(u32);
		} else {
			num_export_targets = 0;
		}

		if (info_end && *p != info_end) {
//.........这里部分代码省略.........

开发者ID:513855417，项目名称:linux，代码行数:101，代码来源:mdsmap.c

示例12: kzalloc

/*
 * Decode an MDS map
 *
 * Ignore any fields we don't care about (there are quite a few of
 * them).
 */
struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end)
{
	struct ceph_mdsmap *m;
	const void *start = *p;
	int i, j, n;
	int err = -EINVAL;
	u8 mdsmap_v, mdsmap_cv;
	u16 mdsmap_ev;

	m = kzalloc(sizeof(*m), GFP_NOFS);
	if (m == NULL)
		return ERR_PTR(-ENOMEM);

	ceph_decode_need(p, end, 1 + 1, bad);
	mdsmap_v = ceph_decode_8(p);
	mdsmap_cv = ceph_decode_8(p);
	if (mdsmap_v >= 4) {
	       u32 mdsmap_len;
	       ceph_decode_32_safe(p, end, mdsmap_len, bad);
	       if (end < *p + mdsmap_len)
		       goto bad;
	       end = *p + mdsmap_len;
	}

	ceph_decode_need(p, end, 8*sizeof(u32) + sizeof(u64), bad);
	m->m_epoch = ceph_decode_32(p);
	m->m_client_epoch = ceph_decode_32(p);
	m->m_last_failure = ceph_decode_32(p);
	m->m_root = ceph_decode_32(p);
	m->m_session_timeout = ceph_decode_32(p);
	m->m_session_autoclose = ceph_decode_32(p);
	m->m_max_file_size = ceph_decode_64(p);
	m->m_max_mds = ceph_decode_32(p);

	m->m_info = kcalloc(m->m_max_mds, sizeof(*m->m_info), GFP_NOFS);
	if (m->m_info == NULL)
		goto nomem;

	/* pick out active nodes from mds_info (state > 0) */
	n = ceph_decode_32(p);
	for (i = 0; i < n; i++) {
		u64 global_id;
		u32 namelen;
		s32 mds, inc, state;
		u64 state_seq;
		u8 info_v;
		void *info_end = NULL;
		struct ceph_entity_addr addr;
		u32 num_export_targets;
		void *pexport_targets = NULL;
		struct ceph_timespec laggy_since;
		struct ceph_mds_info *info;

		ceph_decode_need(p, end, sizeof(u64) + 1, bad);
		global_id = ceph_decode_64(p);
		info_v= ceph_decode_8(p);
		if (info_v >= 4) {
			u32 info_len;
			u8 info_cv;
			ceph_decode_need(p, end, 1 + sizeof(u32), bad);
			info_cv = ceph_decode_8(p);
			info_len = ceph_decode_32(p);
			info_end = *p + info_len;
			if (info_end > end)
				goto bad;
		}

		ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad);
		*p += sizeof(u64);
		namelen = ceph_decode_32(p);  /* skip mds name */
		*p += namelen;

		ceph_decode_need(p, end,
				 4*sizeof(u32) + sizeof(u64) +
				 sizeof(addr) + sizeof(struct ceph_timespec),
				 bad);
		mds = ceph_decode_32(p);
		inc = ceph_decode_32(p);
		state = ceph_decode_32(p);
		state_seq = ceph_decode_64(p);
		ceph_decode_copy(p, &addr, sizeof(addr));
		ceph_decode_addr(&addr);
		ceph_decode_copy(p, &laggy_since, sizeof(laggy_since));
		*p += sizeof(u32);
		ceph_decode_32_safe(p, end, namelen, bad);
		*p += namelen;
		if (info_v >= 2) {
			ceph_decode_32_safe(p, end, num_export_targets, bad);
			pexport_targets = *p;
			*p += num_export_targets * sizeof(u32);
		} else {
			num_export_targets = 0;
		}

//.........这里部分代码省略.........

开发者ID:AshishNamdev，项目名称:linux，代码行数:101，代码来源:mdsmap.c

示例13: kzalloc

struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end)
{
	struct ceph_mdsmap *m;
	const void *start = *p;
	int i, j, n;
	int err = -EINVAL;
	u16 version;

	m = kzalloc(sizeof(*m), GFP_NOFS);
	if (m == NULL)
		return ERR_PTR(-ENOMEM);

	ceph_decode_16_safe(p, end, version, bad);

	ceph_decode_need(p, end, 8*sizeof(u32) + sizeof(u64), bad);
	m->m_epoch = ceph_decode_32(p);
	m->m_client_epoch = ceph_decode_32(p);
	m->m_last_failure = ceph_decode_32(p);
	m->m_root = ceph_decode_32(p);
	m->m_session_timeout = ceph_decode_32(p);
	m->m_session_autoclose = ceph_decode_32(p);
	m->m_max_file_size = ceph_decode_64(p);
	m->m_max_mds = ceph_decode_32(p);

	m->m_info = kcalloc(m->m_max_mds, sizeof(*m->m_info), GFP_NOFS);
	if (m->m_info == NULL)
		goto badmem;

	
	n = ceph_decode_32(p);
	for (i = 0; i < n; i++) {
		u64 global_id;
		u32 namelen;
		s32 mds, inc, state;
		u64 state_seq;
		u8 infoversion;
		struct ceph_entity_addr addr;
		u32 num_export_targets;
		void *pexport_targets = NULL;
		struct ceph_timespec laggy_since;

		ceph_decode_need(p, end, sizeof(u64)*2 + 1 + sizeof(u32), bad);
		global_id = ceph_decode_64(p);
		infoversion = ceph_decode_8(p);
		*p += sizeof(u64);
		namelen = ceph_decode_32(p);  
		*p += namelen;

		ceph_decode_need(p, end,
				 4*sizeof(u32) + sizeof(u64) +
				 sizeof(addr) + sizeof(struct ceph_timespec),
				 bad);
		mds = ceph_decode_32(p);
		inc = ceph_decode_32(p);
		state = ceph_decode_32(p);
		state_seq = ceph_decode_64(p);
		ceph_decode_copy(p, &addr, sizeof(addr));
		ceph_decode_addr(&addr);
		ceph_decode_copy(p, &laggy_since, sizeof(laggy_since));
		*p += sizeof(u32);
		ceph_decode_32_safe(p, end, namelen, bad);
		*p += namelen;
		if (infoversion >= 2) {
			ceph_decode_32_safe(p, end, num_export_targets, bad);
			pexport_targets = *p;
			*p += num_export_targets * sizeof(u32);
		} else {
			num_export_targets = 0;
		}

		dout("mdsmap_decode %d/%d %lld mds%d.%d %s %s\n",
		     i+1, n, global_id, mds, inc,
		     ceph_pr_addr(&addr.in_addr),
		     ceph_mds_state_name(state));
		if (mds >= 0 && mds < m->m_max_mds && state > 0) {
			m->m_info[mds].global_id = global_id;
			m->m_info[mds].state = state;
			m->m_info[mds].addr = addr;
			m->m_info[mds].laggy =
				(laggy_since.tv_sec != 0 ||
				 laggy_since.tv_nsec != 0);
			m->m_info[mds].num_export_targets = num_export_targets;
			if (num_export_targets) {
				m->m_info[mds].export_targets =
					kcalloc(num_export_targets, sizeof(u32),
						GFP_NOFS);
				for (j = 0; j < num_export_targets; j++)
					m->m_info[mds].export_targets[j] =
					       ceph_decode_32(&pexport_targets);
			} else {
				m->m_info[mds].export_targets = NULL;
			}
		}
	}

	
	ceph_decode_32_safe(p, end, n, bad);
	m->m_num_data_pg_pools = n;
	m->m_data_pg_pools = kcalloc(n, sizeof(u32), GFP_NOFS);
	if (!m->m_data_pg_pools)
//.........这里部分代码省略.........

开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:101，代码来源:mdsmap.c

示例14: ceph_handle_auth_reply

/*
 * Handle auth message from monitor.
 */
int ceph_handle_auth_reply(struct ceph_auth_client *ac,
			   void *buf, size_t len,
			   void *reply_buf, size_t reply_len)
{
	void *p = buf;
	void *end = buf + len;
	int protocol;
	s32 result;
	u64 global_id;
	void *payload, *payload_end;
	int payload_len;
	char *result_msg;
	int result_msg_len;
	int ret = -EINVAL;

	dout("handle_auth_reply %p %p\n", p, end);
	ceph_decode_need(&p, end, sizeof(u32) * 3 + sizeof(u64), bad);
	protocol = ceph_decode_32(&p);
	result = ceph_decode_32(&p);
	global_id = ceph_decode_64(&p);
	payload_len = ceph_decode_32(&p);
	payload = p;
	p += payload_len;
	ceph_decode_need(&p, end, sizeof(u32), bad);
	result_msg_len = ceph_decode_32(&p);
	result_msg = p;
	p += result_msg_len;
	if (p != end)
		goto bad;

	dout(" result %d '%.*s' gid %llu len %d\n", result, result_msg_len,
	     result_msg, global_id, payload_len);

	payload_end = payload + payload_len;

	if (global_id && ac->global_id != global_id) {
		dout(" set global_id %lld -> %lld\n", ac->global_id, global_id);
		ac->global_id = global_id;
	}

	if (ac->negotiating) {
		/* server does not support our protocols? */
		if (!protocol && result < 0) {
			ret = result;
			goto out;
		}
		/* set up (new) protocol handler? */
		if (ac->protocol && ac->protocol != protocol) {
			ac->ops->destroy(ac);
			ac->protocol = 0;
			ac->ops = NULL;
		}
		if (ac->protocol != protocol) {
			ret = ceph_auth_init_protocol(ac, protocol);
			if (ret) {
				pr_err("error %d on auth protocol %d init\n",
				       ret, protocol);
				goto out;
			}
		}

		ac->negotiating = false;
	}

	ret = ac->ops->handle_reply(ac, result, payload, payload_end);
	if (ret == -EAGAIN) {
		return ceph_build_auth_request(ac, reply_buf, reply_len);
	} else if (ret) {
		pr_err("authentication error %d\n", ret);
		return ret;
	}
	return 0;

bad:
	pr_err("failed to decode auth msg\n");
out:
	return ret;
}

开发者ID:A2109devs，项目名称:lenovo_a2109a_kernel，代码行数:81，代码来源:auth.c

注：本文中的ceph_decode_32函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ ceph_decode_32函数代码示例

示例1: __decode_and_drop_compat_set

示例2: decode_locker

示例3: ceph_decode_32_safe

示例4: crush_decode_uniform_bucket

示例5: crush_decode_list_bucket

示例6: crush_decode_straw_bucket

示例7: crush_decode_tree_bucket

示例8: ceph_decode_buffer

示例9: decode_lockers

示例10: dout

示例11: kzalloc

示例12: kzalloc

示例13: kzalloc

示例14: ceph_handle_auth_reply

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