diff options
Diffstat (limited to 'net/sunrpc/cache.c')
-rw-r--r-- | net/sunrpc/cache.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 2b06410..8dc1219 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -42,7 +42,7 @@ static void cache_revisit_request(struct cache_head *item); static void cache_init(struct cache_head *h) { - time_t now = get_seconds(); + time_t now = seconds_since_boot(); h->next = NULL; h->flags = 0; kref_init(&h->ref); @@ -52,7 +52,7 @@ static void cache_init(struct cache_head *h) static inline int cache_is_expired(struct cache_detail *detail, struct cache_head *h) { - return (h->expiry_time < get_seconds()) || + return (h->expiry_time < seconds_since_boot()) || (detail->flush_time > h->last_refresh); } @@ -127,7 +127,7 @@ static void cache_dequeue(struct cache_detail *detail, struct cache_head *ch); static void cache_fresh_locked(struct cache_head *head, time_t expiry) { head->expiry_time = expiry; - head->last_refresh = get_seconds(); + head->last_refresh = seconds_since_boot(); set_bit(CACHE_VALID, &head->flags); } @@ -238,7 +238,7 @@ int cache_check(struct cache_detail *detail, /* now see if we want to start an upcall */ refresh_age = (h->expiry_time - h->last_refresh); - age = get_seconds() - h->last_refresh; + age = seconds_since_boot() - h->last_refresh; if (rqstp == NULL) { if (rv == -EAGAIN) @@ -253,7 +253,7 @@ int cache_check(struct cache_detail *detail, cache_revisit_request(h); if (rv == -EAGAIN) { set_bit(CACHE_NEGATIVE, &h->flags); - cache_fresh_locked(h, get_seconds()+CACHE_NEW_EXPIRY); + cache_fresh_locked(h, seconds_since_boot()+CACHE_NEW_EXPIRY); cache_fresh_unlocked(h, detail); rv = -ENOENT; } @@ -388,11 +388,11 @@ static int cache_clean(void) return -1; } current_detail = list_entry(next, struct cache_detail, others); - if (current_detail->nextcheck > get_seconds()) + if (current_detail->nextcheck > seconds_since_boot()) current_index = current_detail->hash_size; else { current_index = 0; - current_detail->nextcheck = get_seconds()+30*60; + current_detail->nextcheck = seconds_since_boot()+30*60; } } @@ -477,7 +477,7 @@ EXPORT_SYMBOL_GPL(cache_flush); void cache_purge(struct cache_detail *detail) { detail->flush_time = LONG_MAX; - detail->nextcheck = get_seconds(); + detail->nextcheck = seconds_since_boot(); cache_flush(); detail->flush_time = 1; } @@ -902,7 +902,7 @@ static int cache_release(struct inode *inode, struct file *filp, filp->private_data = NULL; kfree(rp); - cd->last_close = get_seconds(); + cd->last_close = seconds_since_boot(); atomic_dec(&cd->readers); } module_put(cd->owner); @@ -1034,7 +1034,7 @@ int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h, int len; if (atomic_read(&detail->readers) == 0 && - detail->last_close < get_seconds() - 30) { + detail->last_close < seconds_since_boot() - 30) { warn_no_listener(detail); return -EINVAL; } @@ -1219,7 +1219,8 @@ static int c_show(struct seq_file *m, void *p) ifdebug(CACHE) seq_printf(m, "# expiry=%ld refcnt=%d flags=%lx\n", - cp->expiry_time, atomic_read(&cp->ref.refcount), cp->flags); + convert_to_wallclock(cp->expiry_time), + atomic_read(&cp->ref.refcount), cp->flags); cache_get(cp); if (cache_check(cd, cp, NULL)) /* cache_check does a cache_put on failure */ @@ -1285,7 +1286,7 @@ static ssize_t read_flush(struct file *file, char __user *buf, unsigned long p = *ppos; size_t len; - sprintf(tbuf, "%lu\n", cd->flush_time); + sprintf(tbuf, "%lu\n", convert_to_wallclock(cd->flush_time)); len = strlen(tbuf); if (p >= len) return 0; @@ -1303,19 +1304,20 @@ static ssize_t write_flush(struct file *file, const char __user *buf, struct cache_detail *cd) { char tbuf[20]; - char *ep; - long flushtime; + char *bp, *ep; + if (*ppos || count > sizeof(tbuf)-1) return -EINVAL; if (copy_from_user(tbuf, buf, count)) return -EFAULT; tbuf[count] = 0; - flushtime = simple_strtoul(tbuf, &ep, 0); + simple_strtoul(tbuf, &ep, 0); if (*ep && *ep != '\n') return -EINVAL; - cd->flush_time = flushtime; - cd->nextcheck = get_seconds(); + bp = tbuf; + cd->flush_time = get_expiry(&bp); + cd->nextcheck = seconds_since_boot(); cache_flush(); *ppos += count; |