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Subject[PATCH 3/4] SUNRPC: remove "cache_request" argument in sunrpc_cache_pipe_upcall() function
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Passing this pointer is redundant since it's stored on cache_detail structure,
which is also passed to sunrpc_cache_pipe_upcall () function.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
---
fs/nfs/dns_resolve.c | 2 +-
include/linux/sunrpc/cache.h | 6 +-----
net/sunrpc/cache.c | 10 +++-------
3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index 90edbd0..f5c4c35 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -142,7 +142,7 @@ static int nfs_dns_upcall(struct cache_detail *cd,

ret = nfs_cache_upcall(cd, key->hostname);
if (ret)
- ret = sunrpc_cache_pipe_upcall(cd, ch, cd->cache_request);
+ ret = sunrpc_cache_pipe_upcall(cd, ch);
return ret;
}

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 249e73a..ea927ea 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -158,11 +158,7 @@ sunrpc_cache_update(struct cache_detail *detail,
struct cache_head *new, struct cache_head *old, int hash);

extern int
-sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h,
- void (*cache_request)(struct cache_detail *,
- struct cache_head *,
- char **,
- int *));
+sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h);


extern void cache_clean_deferred(void *owner);
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index ee6b5dd..901fdca 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -198,7 +198,7 @@ static int cache_make_upcall(struct cache_detail *cd, struct cache_head *h)
{
if (!cd->cache_request)
return -EINVAL;
- return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request);
+ return sunrpc_cache_pipe_upcall(cd, h);
}

static inline int cache_is_valid(struct cache_detail *detail, struct cache_head *h)
@@ -1140,11 +1140,7 @@ static bool cache_listeners_exist(struct cache_detail *detail)
*
* Each request is at most one page long.
*/
-int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h,
- void (*cache_request)(struct cache_detail *,
- struct cache_head *,
- char **,
- int *))
+int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
{

char *buf;
@@ -1169,7 +1165,7 @@ int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h,

bp = buf; len = PAGE_SIZE;

- cache_request(detail, h, &bp, &len);
+ detail->cache_request(detail, h, &bp, &len);

if (len < 0) {
kfree(buf);


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