diff options
| author | Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> | 2012-06-26 08:51:55 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-09 18:31:16 (GMT) |
| commit | b71f3bcc5ab5e76a22d7ad82b3795602fcf0e0af (patch) | |
| tree | e20b14153cd36a3c50d1c652e6e733a00e79f800 | |
| parent | 79c0d92c5b6175c1462fbe38bf44180f325aa478 (diff) | |
| download | linux-fsl-qoriq-b71f3bcc5ab5e76a22d7ad82b3795602fcf0e0af.tar.xz | |
staging: zcache: cleanup zcache_do_preload and zcache_put_page
Cleanup the code for zcache_do_preload and zcache_put_page
Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/zcache/zcache-main.c | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index 57e25fc..fbd9bcf 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1045,29 +1045,24 @@ static int zcache_do_preload(struct tmem_pool *pool) kp->objnodes[kp->nr++] = objnode; } - obj = kmem_cache_alloc(zcache_obj_cache, ZCACHE_GFP_MASK); - if (unlikely(obj == NULL)) { - zcache_failed_alloc++; - goto out; + if (!kp->obj) { + obj = kmem_cache_alloc(zcache_obj_cache, ZCACHE_GFP_MASK); + if (unlikely(obj == NULL)) { + zcache_failed_alloc++; + goto out; + } + kp->obj = obj; } - page = (void *)__get_free_page(ZCACHE_GFP_MASK); - if (unlikely(page == NULL)) { - zcache_failed_get_free_pages++; - kmem_cache_free(zcache_obj_cache, obj); - goto out; + if (!kp->page) { + page = (void *)__get_free_page(ZCACHE_GFP_MASK); + if (unlikely(page == NULL)) { + zcache_failed_get_free_pages++; + goto out; + } + kp->page = page; } - if (kp->obj == NULL) - kp->obj = obj; - else - kmem_cache_free(zcache_obj_cache, obj); - - if (kp->page == NULL) - kp->page = page; - else - free_page((unsigned long)page); - ret = 0; out: return ret; @@ -1577,14 +1572,14 @@ static int zcache_put_page(int cli_id, int pool_id, struct tmem_oid *oidp, else zcache_failed_pers_puts++; } - zcache_put_pool(pool); } else { zcache_put_to_flush++; if (atomic_read(&pool->obj_count) > 0) /* the put fails whether the flush succeeds or not */ (void)tmem_flush_page(pool, oidp, index); - zcache_put_pool(pool); } + + zcache_put_pool(pool); out: return ret; } |