lkml.org 
[lkml]   [2017]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH 01/10] staging: lustre: use list_last_entry to simplify fld_cache_shrink
Signed-off-by: NeilBrown <neilb@suse.com>
---
drivers/staging/lustre/lustre/fld/fld_cache.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lustre/fld/fld_cache.c b/drivers/staging/lustre/lustre/fld/fld_cache.c
index b723ece02eff..c01709cd22a1 100644
--- a/drivers/staging/lustre/lustre/fld/fld_cache.c
+++ b/drivers/staging/lustre/lustre/fld/fld_cache.c
@@ -212,19 +212,18 @@ static inline void fld_cache_entry_add(struct fld_cache *cache,
*/
static int fld_cache_shrink(struct fld_cache *cache)
{
- struct fld_cache_entry *flde;
- struct list_head *curr;
int num = 0;

if (cache->fci_cache_count < cache->fci_cache_size)
return 0;

- curr = cache->fci_lru.prev;
-
while (cache->fci_cache_count + cache->fci_threshold >
- cache->fci_cache_size && curr != &cache->fci_lru) {
- flde = list_entry(curr, struct fld_cache_entry, fce_lru);
- curr = curr->prev;
+ cache->fci_cache_size &&
+ !list_empty(&cache->fci_lru)) {
+ struct fld_cache_entry *flde =
+ list_last_entry(&cache->fci_lru,
+ struct fld_cache_entry, fce_lru);
+
fld_cache_entry_delete(cache, flde);
num++;
}

\
 
 \ /
  Last update: 2017-10-30 06:04    [W:0.104 / U:0.912 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site