X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=net%2Fsunrpc%2Fcache.c;h=f02f24ae946877516d2fd8050c40aebb8ba7f43c;hb=d9bc125caf592b7d081021f32ce5b717efdf70c8;hp=9e72223487fabf9eefe239d2ff3b90956ec2a34b;hpb=43d78ef2ba5bec26d0315859e8324bfc0be23766;p=powerpc.git diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 9e72223487..f02f24ae94 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -275,7 +275,7 @@ int cache_check(struct cache_detail *detail, * * A table is then only scanned if the current time is at least * the nextcheck time. - * + * */ static LIST_HEAD(cache_list); @@ -283,9 +283,9 @@ static DEFINE_SPINLOCK(cache_list_lock); static struct cache_detail *current_detail; static int current_index; -static struct file_operations cache_file_operations; -static struct file_operations content_file_operations; -static struct file_operations cache_flush_operations; +static const struct file_operations cache_file_operations; +static const struct file_operations content_file_operations; +static const struct file_operations cache_flush_operations; static void do_cache_clean(struct work_struct *work); static DECLARE_DELAYED_WORK(cache_cleaner, do_cache_clean); @@ -297,16 +297,16 @@ void cache_register(struct cache_detail *cd) struct proc_dir_entry *p; cd->proc_ent->owner = cd->owner; cd->channel_ent = cd->content_ent = NULL; - - p = create_proc_entry("flush", S_IFREG|S_IRUSR|S_IWUSR, - cd->proc_ent); + + p = create_proc_entry("flush", S_IFREG|S_IRUSR|S_IWUSR, + cd->proc_ent); cd->flush_ent = p; - if (p) { - p->proc_fops = &cache_flush_operations; - p->owner = cd->owner; - p->data = cd; - } - + if (p) { + p->proc_fops = &cache_flush_operations; + p->owner = cd->owner; + p->data = cd; + } + if (cd->cache_request || cd->cache_parse) { p = create_proc_entry("channel", S_IFREG|S_IRUSR|S_IWUSR, cd->proc_ent); @@ -317,16 +317,16 @@ void cache_register(struct cache_detail *cd) p->data = cd; } } - if (cd->cache_show) { - p = create_proc_entry("content", S_IFREG|S_IRUSR|S_IWUSR, - cd->proc_ent); + if (cd->cache_show) { + p = create_proc_entry("content", S_IFREG|S_IRUSR|S_IWUSR, + cd->proc_ent); cd->content_ent = p; - if (p) { - p->proc_fops = &content_file_operations; - p->owner = cd->owner; - p->data = cd; - } - } + if (p) { + p->proc_fops = &content_file_operations; + p->owner = cd->owner; + p->data = cd; + } + } } rwlock_init(&cd->hash_lock); INIT_LIST_HEAD(&cd->queue); @@ -418,15 +418,15 @@ static int cache_clean(void) current_index++; /* find a cleanable entry in the bucket and clean it, or set to next bucket */ - + if (current_detail && current_index < current_detail->hash_size) { struct cache_head *ch, **cp; struct cache_detail *d; - + write_lock(¤t_detail->hash_lock); /* Ok, now to clean this strand */ - + cp = & current_detail->hash_table[current_index]; ch = *cp; for (; ch; cp= & ch->next, ch= *cp) { @@ -478,9 +478,9 @@ static void do_cache_clean(struct work_struct *work) } -/* +/* * Clean all caches promptly. This just calls cache_clean - * repeatedly until we are sure that every cache has had a chance to + * repeatedly until we are sure that every cache has had a chance to * be fully cleaned */ void cache_flush(void) @@ -509,7 +509,7 @@ void cache_purge(struct cache_detail *detail) * All deferred requests are stored in a hash table, * indexed by "struct cache_head *". * As it may be wasteful to store a whole request - * structure, we allow the request to provide a + * structure, we allow the request to provide a * deferred form, which must contain a * 'struct cache_deferred_req' * This cache_deferred_req contains a method to allow @@ -585,7 +585,7 @@ static void cache_revisit_request(struct cache_head *item) INIT_LIST_HEAD(&pending); spin_lock(&cache_defer_lock); - + lp = cache_defer_hash[hash].next; if (lp) { while (lp != &cache_defer_hash[hash]) { @@ -615,7 +615,7 @@ void cache_clean_deferred(void *owner) INIT_LIST_HEAD(&pending); spin_lock(&cache_defer_lock); - + list_for_each_entry_safe(dreq, tmp, &cache_defer_list, recent) { if (dreq->owner == owner) { list_del(&dreq->hash); @@ -640,7 +640,7 @@ void cache_clean_deferred(void *owner) * On write, an update request is processed * Poll works if anything to read, and always allows write * - * Implemented by linked list of requests. Each open file has + * Implemented by linked list of requests. Each open file has * a ->private that also exists in this list. New request are added * to the end and may wakeup and preceding readers. * New readers are added to the head. If, on read, an item is found with @@ -888,7 +888,7 @@ cache_release(struct inode *inode, struct file *filp) -static struct file_operations cache_file_operations = { +static const struct file_operations cache_file_operations = { .owner = THIS_MODULE, .llseek = no_llseek, .read = cache_read, @@ -1060,10 +1060,10 @@ static int cache_make_upcall(struct cache_detail *detail, struct cache_head *h) * Messages are, like requests, separated into fields by * spaces and dequotes as \xHEXSTRING or embedded \nnn octal * - * Message is + * Message is * reply cachename expiry key ... content.... * - * key and content are both parsed by cache + * key and content are both parsed by cache */ #define isodigit(c) (isdigit(c) && c <= '7') @@ -1133,7 +1133,7 @@ static void *c_start(struct seq_file *m, loff_t *pos) unsigned hash, entry; struct cache_head *ch; struct cache_detail *cd = ((struct handle*)m->private)->cd; - + read_lock(&cd->hash_lock); if (!n--) @@ -1148,7 +1148,7 @@ static void *c_start(struct seq_file *m, loff_t *pos) do { hash++; n += 1LL<<32; - } while(hash < cd->hash_size && + } while(hash < cd->hash_size && cd->hash_table[hash]==NULL); if (hash >= cd->hash_size) return NULL; @@ -1246,7 +1246,7 @@ static int content_release(struct inode *inode, struct file *file) return seq_release(inode, file); } -static struct file_operations content_file_operations = { +static const struct file_operations content_file_operations = { .open = content_open, .read = seq_read, .llseek = seq_lseek, @@ -1298,7 +1298,7 @@ static ssize_t write_flush(struct file * file, const char __user * buf, return count; } -static struct file_operations cache_flush_operations = { +static const struct file_operations cache_flush_operations = { .open = nonseekable_open, .read = read_flush, .write = write_flush,