提交 123b9731 编写于 作者: D David S. Miller

ipv4: Rename fib_hash_* locals in fib_semantics.c

To avoid confusion with the recently deleted fib_hash.c
code, use "fib_info_hash_*" instead of plain "fib_hash_*".
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 5348ba85
...@@ -49,7 +49,7 @@ ...@@ -49,7 +49,7 @@
static DEFINE_SPINLOCK(fib_info_lock); static DEFINE_SPINLOCK(fib_info_lock);
static struct hlist_head *fib_info_hash; static struct hlist_head *fib_info_hash;
static struct hlist_head *fib_info_laddrhash; static struct hlist_head *fib_info_laddrhash;
static unsigned int fib_hash_size; static unsigned int fib_info_hash_size;
static unsigned int fib_info_cnt; static unsigned int fib_info_cnt;
#define DEVINDEX_HASHBITS 8 #define DEVINDEX_HASHBITS 8
...@@ -223,7 +223,7 @@ static inline unsigned int fib_devindex_hashfn(unsigned int val) ...@@ -223,7 +223,7 @@ static inline unsigned int fib_devindex_hashfn(unsigned int val)
static inline unsigned int fib_info_hashfn(const struct fib_info *fi) static inline unsigned int fib_info_hashfn(const struct fib_info *fi)
{ {
unsigned int mask = (fib_hash_size - 1); unsigned int mask = (fib_info_hash_size - 1);
unsigned int val = fi->fib_nhs; unsigned int val = fi->fib_nhs;
val ^= fi->fib_protocol; val ^= fi->fib_protocol;
...@@ -615,14 +615,14 @@ static int fib_check_nh(struct fib_config *cfg, struct fib_info *fi, ...@@ -615,14 +615,14 @@ static int fib_check_nh(struct fib_config *cfg, struct fib_info *fi,
static inline unsigned int fib_laddr_hashfn(__be32 val) static inline unsigned int fib_laddr_hashfn(__be32 val)
{ {
unsigned int mask = (fib_hash_size - 1); unsigned int mask = (fib_info_hash_size - 1);
return ((__force u32)val ^ return ((__force u32)val ^
((__force u32)val >> 7) ^ ((__force u32)val >> 7) ^
((__force u32)val >> 14)) & mask; ((__force u32)val >> 14)) & mask;
} }
static struct hlist_head *fib_hash_alloc(int bytes) static struct hlist_head *fib_info_hash_alloc(int bytes)
{ {
if (bytes <= PAGE_SIZE) if (bytes <= PAGE_SIZE)
return kzalloc(bytes, GFP_KERNEL); return kzalloc(bytes, GFP_KERNEL);
...@@ -632,7 +632,7 @@ static struct hlist_head *fib_hash_alloc(int bytes) ...@@ -632,7 +632,7 @@ static struct hlist_head *fib_hash_alloc(int bytes)
get_order(bytes)); get_order(bytes));
} }
static void fib_hash_free(struct hlist_head *hash, int bytes) static void fib_info_hash_free(struct hlist_head *hash, int bytes)
{ {
if (!hash) if (!hash)
return; return;
...@@ -643,18 +643,18 @@ static void fib_hash_free(struct hlist_head *hash, int bytes) ...@@ -643,18 +643,18 @@ static void fib_hash_free(struct hlist_head *hash, int bytes)
free_pages((unsigned long) hash, get_order(bytes)); free_pages((unsigned long) hash, get_order(bytes));
} }
static void fib_hash_move(struct hlist_head *new_info_hash, static void fib_info_hash_move(struct hlist_head *new_info_hash,
struct hlist_head *new_laddrhash, struct hlist_head *new_laddrhash,
unsigned int new_size) unsigned int new_size)
{ {
struct hlist_head *old_info_hash, *old_laddrhash; struct hlist_head *old_info_hash, *old_laddrhash;
unsigned int old_size = fib_hash_size; unsigned int old_size = fib_info_hash_size;
unsigned int i, bytes; unsigned int i, bytes;
spin_lock_bh(&fib_info_lock); spin_lock_bh(&fib_info_lock);
old_info_hash = fib_info_hash; old_info_hash = fib_info_hash;
old_laddrhash = fib_info_laddrhash; old_laddrhash = fib_info_laddrhash;
fib_hash_size = new_size; fib_info_hash_size = new_size;
for (i = 0; i < old_size; i++) { for (i = 0; i < old_size; i++) {
struct hlist_head *head = &fib_info_hash[i]; struct hlist_head *head = &fib_info_hash[i];
...@@ -695,8 +695,8 @@ static void fib_hash_move(struct hlist_head *new_info_hash, ...@@ -695,8 +695,8 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
spin_unlock_bh(&fib_info_lock); spin_unlock_bh(&fib_info_lock);
bytes = old_size * sizeof(struct hlist_head *); bytes = old_size * sizeof(struct hlist_head *);
fib_hash_free(old_info_hash, bytes); fib_info_hash_free(old_info_hash, bytes);
fib_hash_free(old_laddrhash, bytes); fib_info_hash_free(old_laddrhash, bytes);
} }
struct fib_info *fib_create_info(struct fib_config *cfg) struct fib_info *fib_create_info(struct fib_config *cfg)
...@@ -720,8 +720,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg) ...@@ -720,8 +720,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
#endif #endif
err = -ENOBUFS; err = -ENOBUFS;
if (fib_info_cnt >= fib_hash_size) { if (fib_info_cnt >= fib_info_hash_size) {
unsigned int new_size = fib_hash_size << 1; unsigned int new_size = fib_info_hash_size << 1;
struct hlist_head *new_info_hash; struct hlist_head *new_info_hash;
struct hlist_head *new_laddrhash; struct hlist_head *new_laddrhash;
unsigned int bytes; unsigned int bytes;
...@@ -729,15 +729,15 @@ struct fib_info *fib_create_info(struct fib_config *cfg) ...@@ -729,15 +729,15 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
if (!new_size) if (!new_size)
new_size = 1; new_size = 1;
bytes = new_size * sizeof(struct hlist_head *); bytes = new_size * sizeof(struct hlist_head *);
new_info_hash = fib_hash_alloc(bytes); new_info_hash = fib_info_hash_alloc(bytes);
new_laddrhash = fib_hash_alloc(bytes); new_laddrhash = fib_info_hash_alloc(bytes);
if (!new_info_hash || !new_laddrhash) { if (!new_info_hash || !new_laddrhash) {
fib_hash_free(new_info_hash, bytes); fib_info_hash_free(new_info_hash, bytes);
fib_hash_free(new_laddrhash, bytes); fib_info_hash_free(new_laddrhash, bytes);
} else } else
fib_hash_move(new_info_hash, new_laddrhash, new_size); fib_info_hash_move(new_info_hash, new_laddrhash, new_size);
if (!fib_hash_size) if (!fib_info_hash_size)
goto failure; goto failure;
} }
......
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