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ceph: code cleanup 

Mainly fixing minor issues reported by sparse.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Yehuda Sadeh 2010-06-11 16:58:48 -07:00 committed by Sage Weil
parent ca81f3f6bd
commit cd84db6e40
13 changed files with 46 additions and 49 deletions
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6
fs/ceph/armor.c
View File

@ -1,11 +1,15 @@
#include <linux/errno.h>
int ceph_armor(char *dst, const char *src, const char *end);
int ceph_unarmor(char *dst, const char *src, const char *end);
/*
* base64 encode/decode.
*/
const char *pem_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const char *pem_key =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static int encode_bits(int c)
{

6
fs/ceph/auth.c
View File

@ -20,7 +20,7 @@ static u32 supported_protocols[] = {
CEPH_AUTH_CEPHX
};
int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
static int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
{
switch (protocol) {
case CEPH_AUTH_NONE:
@ -133,8 +133,8 @@ bad:
return -ERANGE;
}
int ceph_build_auth_request(struct ceph_auth_client *ac,
void *msg_buf, size_t msg_len)
static int ceph_build_auth_request(struct ceph_auth_client *ac,
void *msg_buf, size_t msg_len)
{
struct ceph_mon_request_header *monhdr = msg_buf;
void *p = monhdr + 1;

6
fs/ceph/auth_x.c
View File

@ -87,8 +87,8 @@ static int ceph_x_decrypt(struct ceph_crypto_key *secret,
/*
* get existing (or insert new) ticket handler
*/
struct ceph_x_ticket_handler *get_ticket_handler(struct ceph_auth_client *ac,
int service)
static struct ceph_x_ticket_handler *
get_ticket_handler(struct ceph_auth_client *ac, int service)
{
struct ceph_x_ticket_handler *th;
struct ceph_x_info *xi = ac->private;
@ -429,7 +429,7 @@ static int ceph_x_build_request(struct ceph_auth_client *ac,
auth->struct_v = 1;
auth->key = 0;
for (u = (u64 *)tmp_enc; u + 1 <= (u64 *)(tmp_enc + ret); u++)
auth->key ^= *u;
auth->key ^= *(__le64 *)u;
dout(" server_challenge %llx client_challenge %llx key %llx\n",
xi->server_challenge, le64_to_cpu(auth->client_challenge),
le64_to_cpu(auth->key));

16
fs/ceph/buffer.c
View File

@ -47,22 +47,6 @@ void ceph_buffer_release(struct kref *kref)
kfree(b);
}
int ceph_buffer_alloc(struct ceph_buffer *b, int len, gfp_t gfp)
{
b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN);
if (b->vec.iov_base) {
b->is_vmalloc = false;
} else {
b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
b->is_vmalloc = true;
}
if (!b->vec.iov_base)
return -ENOMEM;
b->alloc_len = len;
b->vec.iov_len = len;
return 0;
}
int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end)
{
size_t len;

6
fs/ceph/caps.c
View File

@ -1194,6 +1194,8 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
*/
void __ceph_flush_snaps(struct ceph_inode_info *ci,
struct ceph_mds_session **psession)
__releases(ci->vfs_inode->i_lock)
__acquires(ci->vfs_inode->i_lock)
{
struct inode *inode = &ci->vfs_inode;
int mds;
@ -1439,7 +1441,6 @@ static int try_nonblocking_invalidate(struct inode *inode)
*/
void ceph_check_caps(struct ceph_inode_info *ci, int flags,
struct ceph_mds_session *session)
__releases(session->s_mutex)
{
struct ceph_client *client = ceph_inode_to_client(&ci->vfs_inode);
struct ceph_mds_client *mdsc = &client->mdsc;
@ -2256,8 +2257,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
struct ceph_mds_session *session,
struct ceph_cap *cap,
struct ceph_buffer *xattr_buf)
__releases(inode->i_lock)
__releases(session->s_mutex)
__releases(inode->i_lock)
{
struct ceph_inode_info *ci = ceph_inode(inode);
int mds = session->s_mds;

27
fs/ceph/crypto.c
View File

@ -75,10 +75,11 @@ static struct crypto_blkcipher *ceph_crypto_alloc_cipher(void)
return crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
}
const u8 *aes_iv = "cephsageyudagreg";
static const u8 *aes_iv = "cephsageyudagreg";
int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
const void *src, size_t src_len)
static int ceph_aes_encrypt(const void *key, int key_len,
void *dst, size_t *dst_len,
const void *src, size_t src_len)
{
struct scatterlist sg_in[2], sg_out[1];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@ -126,9 +127,10 @@ int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
return 0;
}
int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
const void *src1, size_t src1_len,
const void *src2, size_t src2_len)
static int ceph_aes_encrypt2(const void *key, int key_len, void *dst,
size_t *dst_len,
const void *src1, size_t src1_len,
const void *src2, size_t src2_len)
{
struct scatterlist sg_in[3], sg_out[1];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@ -179,8 +181,9 @@ int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
return 0;
}
int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
const void *src, size_t src_len)
static int ceph_aes_decrypt(const void *key, int key_len,
void *dst, size_t *dst_len,
const void *src, size_t src_len)
{
struct scatterlist sg_in[1], sg_out[2];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@ -238,10 +241,10 @@ int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
return 0;
}
int ceph_aes_decrypt2(const void *key, int key_len,
void *dst1, size_t *dst1_len,
void *dst2, size_t *dst2_len,
const void *src, size_t src_len)
static int ceph_aes_decrypt2(const void *key, int key_len,
void *dst1, size_t *dst1_len,
void *dst2, size_t *dst2_len,
const void *src, size_t src_len)
{
struct scatterlist sg_in[1], sg_out[3];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();

4
fs/ceph/crypto.h
View File

@ -42,7 +42,7 @@ extern int ceph_encrypt2(struct ceph_crypto_key *secret,
const void *src2, size_t src2_len);
/* armor.c */
extern int ceph_armor(char *dst, const void *src, const void *end);
extern int ceph_unarmor(void *dst, const char *src, const char *end);
extern int ceph_armor(char *dst, const char *src, const char *end);
extern int ceph_unarmor(char *dst, const char *src, const char *end);
#endif

6
fs/ceph/decode.h
View File

@ -99,11 +99,13 @@ static inline void ceph_encode_timespec(struct ceph_timespec *tv,
*/
static inline void ceph_encode_addr(struct ceph_entity_addr *a)
{
a->in_addr.ss_family = htons(a->in_addr.ss_family);
__be16 ss_family = htons(a->in_addr.ss_family);
a->in_addr.ss_family = *(__u16 *)&ss_family;
}
static inline void ceph_decode_addr(struct ceph_entity_addr *a)
{
a->in_addr.ss_family = ntohs(a->in_addr.ss_family);
__be16 ss_family = *(__be16 *)&a->in_addr.ss_family;
a->in_addr.ss_family = ntohs(ss_family);
WARN_ON(a->in_addr.ss_family == 512);
}

2
fs/ceph/dir.c
View File

@ -94,6 +94,8 @@ static unsigned fpos_off(loff_t p)
*/
static int __dcache_readdir(struct file *filp,
void *dirent, filldir_t filldir)
__releases(inode->i_lock)
__acquires(inode->i_lock)
{
struct inode *inode = filp->f_dentry->d_inode;
struct ceph_file_info *fi = filp->private_data;

4
fs/ceph/file.c
View File

@ -317,7 +317,7 @@ void ceph_release_page_vector(struct page **pages, int num_pages)
/*
* allocate a vector new pages
*/
struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags)
static struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags)
{
struct page **pages;
int i;
@ -745,7 +745,7 @@ static ssize_t ceph_aio_read(struct kiocb *iocb, const struct iovec *iov,
size_t len = iov->iov_len;
struct inode *inode = filp->f_dentry->d_inode;
struct ceph_inode_info *ci = ceph_inode(inode);
void *base = iov->iov_base;
void __user *base = iov->iov_base;
ssize_t ret;
int want, got = 0;
int checkeof = 0, read = 0;

8
fs/ceph/messenger.c
View File

@ -108,7 +108,7 @@ void ceph_msgr_exit(void)
destroy_workqueue(ceph_msgr_wq);
}
void ceph_msgr_flush()
void ceph_msgr_flush(void)
{
flush_workqueue(ceph_msgr_wq);
}
@ -1081,11 +1081,11 @@ static int process_banner(struct ceph_connection *con)
sizeof(con->peer_addr)) != 0 &&
!(addr_is_blank(&con->actual_peer_addr.in_addr) &&
con->actual_peer_addr.nonce == con->peer_addr.nonce)) {
pr_warning("wrong peer, want %s/%lld, got %s/%lld\n",
pr_warning("wrong peer, want %s/%d, got %s/%d\n",
pr_addr(&con->peer_addr.in_addr),
le64_to_cpu(con->peer_addr.nonce),
(int)le32_to_cpu(con->peer_addr.nonce),
pr_addr(&con->actual_peer_addr.in_addr),
le64_to_cpu(con->actual_peer_addr.nonce));
(int)le32_to_cpu(con->actual_peer_addr.nonce));
con->error_msg = "wrong peer at address";
return -1;
}

2
fs/ceph/osdmap.c
View File

@ -424,7 +424,7 @@ static void __remove_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *pi)
kfree(pi);
}
void __decode_pool(void **p, struct ceph_pg_pool_info *pi)
static void __decode_pool(void **p, struct ceph_pg_pool_info *pi)
{
ceph_decode_copy(p, &pi->v, sizeof(pi->v));
calc_pg_masks(pi);

2
fs/ceph/xattr.c
View File

@ -337,6 +337,8 @@ void __ceph_destroy_xattrs(struct ceph_inode_info *ci)
}
static int __build_xattrs(struct inode *inode)
__releases(inode->i_lock)
__acquires(inode->i_lock)
{
u32 namelen;
u32 numattr = 0;