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[4/7] XBZRLE: rebuild the cache_is_cached function

Message ID 33183CC9F5247A488A2544077AF19020815D228D@SZXEMA503-MBS.china.huawei.com
State New
Headers show

Commit Message

Gonglei (Arei) Feb. 28, 2014, 4:10 a.m. UTC
Rebuild the cache_is_cached function.

Signed-off-by: ChenLiang <chenliang88@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
---
 page_cache.c | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

Comments

Dr. David Alan Gilbert Feb. 28, 2014, 9:56 a.m. UTC | #1
* Gonglei (Arei) (arei.gonglei@huawei.com) wrote:
> Rebuild the cache_is_cached function.
> 
> Signed-off-by: ChenLiang <chenliang88@huawei.com>
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> ---
>  page_cache.c | 33 +++++++++++++++------------------
>  1 file changed, 15 insertions(+), 18 deletions(-)
> 
> diff --git a/page_cache.c b/page_cache.c
> index fa58ab2..34ec933 100644
> --- a/page_cache.c
> +++ b/page_cache.c
> @@ -121,24 +121,6 @@ static size_t cache_get_cache_pos(const PageCache *cache,
>      return pos;
>  }
>  
> -bool cache_is_cached(const PageCache *cache, uint64_t addr,
> -                                             uint64_t current_age)
> -{
> -    size_t pos;
> -
> -    g_assert(cache);
> -    g_assert(cache->page_cache);
> -
> -    pos = cache_get_cache_pos(cache, addr);
> -
> -    if (cache->page_cache[pos].it_addr == addr) {
> -        /* updata the it_age when the cache hit */
> -        cache->page_cache[pos].it_age = current_age;
> -        return true;
> -    }
> -    return false;
> -}
> -
>  static CacheItem *cache_get_by_addr(const PageCache *cache, uint64_t addr)
>  {
>      size_t pos;
> @@ -156,6 +138,21 @@ uint8_t *get_cached_data(const PageCache *cache, uint64_t addr)
>      return cache_get_by_addr(cache, addr)->it_data;
>  }
>  
> +bool cache_is_cached(const PageCache *cache, uint64_t addr,
> +                                             uint64_t current_age)
> +{
> +    CacheItem *it = NULL;
> +
> +    it = cache_get_by_addr(cache, addr);
> +
> +    if (it->it_addr == addr) {
> +        /* updata the it_age when the cache hit */
> +        it->it_age = current_age;
> +        return true;
> +    }
> +    return false;
> +}
> +

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

>  int cache_insert(PageCache *cache, uint64_t addr, const uint8_t *pdata,
>                                                          uint64_t current_age)
>  {
> -- 
> 1.7.12.4
> 
> Best regards,
> -Gonglei
> 
> 
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
Eric Blake Feb. 28, 2014, 1:13 p.m. UTC | #2
On 02/27/2014 09:10 PM, Gonglei (Arei) wrote:
> Rebuild the cache_is_cached function.
> 
> Signed-off-by: ChenLiang <chenliang88@huawei.com>
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> ---
>  page_cache.c | 33 +++++++++++++++------------------
>  1 file changed, 15 insertions(+), 18 deletions(-)
> 
> diff --git a/page_cache.c b/page_cache.c
> index fa58ab2..34ec933 100644
> --- a/page_cache.c
> +++ b/page_cache.c
> @@ -121,24 +121,6 @@ static size_t cache_get_cache_pos(const PageCache *cache,
>      return pos;
>  }
>  
> -bool cache_is_cached(const PageCache *cache, uint64_t addr,
> -                                             uint64_t current_age)

Indentation was off pre-patch...


>  
> +bool cache_is_cached(const PageCache *cache, uint64_t addr,
> +                                             uint64_t current_age)

...but you should take the opportunity to fix it here.

bool cache_is_cached(const PageCache *cache, uint64_t addr,
                     uint64_t current_age)


> +    if (it->it_addr == addr) {
> +        /* updata the it_age when the cache hit */

s/updata/update/
diff mbox

Patch

diff --git a/page_cache.c b/page_cache.c
index fa58ab2..34ec933 100644
--- a/page_cache.c
+++ b/page_cache.c
@@ -121,24 +121,6 @@  static size_t cache_get_cache_pos(const PageCache *cache,
     return pos;
 }
 
-bool cache_is_cached(const PageCache *cache, uint64_t addr,
-                                             uint64_t current_age)
-{
-    size_t pos;
-
-    g_assert(cache);
-    g_assert(cache->page_cache);
-
-    pos = cache_get_cache_pos(cache, addr);
-
-    if (cache->page_cache[pos].it_addr == addr) {
-        /* updata the it_age when the cache hit */
-        cache->page_cache[pos].it_age = current_age;
-        return true;
-    }
-    return false;
-}
-
 static CacheItem *cache_get_by_addr(const PageCache *cache, uint64_t addr)
 {
     size_t pos;
@@ -156,6 +138,21 @@  uint8_t *get_cached_data(const PageCache *cache, uint64_t addr)
     return cache_get_by_addr(cache, addr)->it_data;
 }
 
+bool cache_is_cached(const PageCache *cache, uint64_t addr,
+                                             uint64_t current_age)
+{
+    CacheItem *it = NULL;
+
+    it = cache_get_by_addr(cache, addr);
+
+    if (it->it_addr == addr) {
+        /* updata the it_age when the cache hit */
+        it->it_age = current_age;
+        return true;
+    }
+    return false;
+}
+
 int cache_insert(PageCache *cache, uint64_t addr, const uint8_t *pdata,
                                                         uint64_t current_age)
 {