xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sunrpc: Switch to using hash list instead single list

Browse Source 
Switch using list_head for cache_head in cache_detail,
it is useful of remove an cache_head entry directly from cache_detail.

v8, using hash list, not head list

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee
2015-07-27 11:10:15 +08:00
committed by J. Bruce Fields
parent c8c081b70c
commit 129e5824cd
2 changed files with 33 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/sunrpc/cache.h
View File

@@ -46,7 +46,7 @@
*
*/
struct cache_head {
struct cache_head * next;
struct hlist_node cache_list;
time_t expiry_time; /* After time time, don't use the data */
time_t last_refresh; /* If CACHE_PENDING, this is when upcall
* was sent, else this is when update was received
@@ -73,7 +73,7 @@ struct cache_detail_pipefs {
struct cache_detail {
struct module * owner;
int hash_size;
struct cache_head ** hash_table;
struct hlist_head * hash_table;
rwlock_t hash_lock;
atomic_t inuse; /* active user-space update or lookup */