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authorDominique Martinet <dominique.martinet@cea.fr>2018-07-30 08:55:19 +0300
committerDominique Martinet <dominique.martinet@cea.fr>2018-09-07 19:39:45 +0300
commit523adb6cc10b48655c0abe556505240741425b49 (patch)
tree16af209a90fefd0e5b6a0dd25ddfbca9ca4530fe /include/net/9p
parent6348b903d79119a8157aace08ab99521f5dba139 (diff)
downloadlinux-523adb6cc10b48655c0abe556505240741425b49.tar.xz
9p: embed fcall in req to round down buffer allocs
'msize' is often a power of two, or at least page-aligned, so avoiding an overhead of two dozen bytes for each allocation will help the allocator do its work and reduce memory fragmentation. Link: http://lkml.kernel.org/r/1533825236-22896-1-git-send-email-asmadeus@codewreck.org Suggested-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr> Reviewed-by: Greg Kurz <groug@kaod.org> Acked-by: Jun Piao <piaojun@huawei.com> Cc: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'include/net/9p')
-rw-r--r--include/net/9p/client.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index a4dc42c53d18..c2671d40bb6b 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -95,8 +95,8 @@ struct p9_req_t {
int status;
int t_err;
wait_queue_head_t wq;
- struct p9_fcall *tc;
- struct p9_fcall *rc;
+ struct p9_fcall tc;
+ struct p9_fcall rc;
void *aux;
struct list_head req_list;
};
@@ -230,6 +230,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, const char *name, int mode,
kgid_t gid, struct p9_qid *);
int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status);
int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *fl);
+void p9_fcall_fini(struct p9_fcall *fc);
struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
void p9_client_cb(struct p9_client *c, struct p9_req_t *req, int status);