Messages in this thread Patch in this message | | | From | Christian Schoenebeck <> | Date | Fri, 15 Jul 2022 23:32:28 +0200 | Subject | [PATCH v6 07/11] net/9p: split message size argument into 't_size' and 'r_size' pair |
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Refactor 'max_size' argument of p9_tag_alloc() and 'req_size' argument of p9_client_prepare_req() both into a pair of arguments 't_size' and 'r_size' respectively to allow handling the buffer size for request and reply separately from each other.
Signed-off-by: Christian Schoenebeck <linux_oss@crudebyte.com> --- net/9p/client.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/net/9p/client.c b/net/9p/client.c index 20054addd81b..32a8f2f43479 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -255,24 +255,26 @@ static struct kmem_cache *p9_req_cache; * p9_tag_alloc - Allocate a new request. * @c: Client session. * @type: Transaction type. - * @max_size: Maximum packet size for this request. + * @t_size: Buffer size for holding this request. + * @r_size: Buffer size for holding server's reply on this request. * * Context: Process context. * Return: Pointer to new request. */ static struct p9_req_t * -p9_tag_alloc(struct p9_client *c, int8_t type, unsigned int max_size) +p9_tag_alloc(struct p9_client *c, int8_t type, uint t_size, uint r_size) { struct p9_req_t *req = kmem_cache_alloc(p9_req_cache, GFP_NOFS); - int alloc_msize = min(c->msize, max_size); + int alloc_tsize = min(c->msize, t_size); + int alloc_rsize = min(c->msize, r_size); int tag; if (!req) return ERR_PTR(-ENOMEM); - if (p9_fcall_init(c, &req->tc, alloc_msize)) + if (p9_fcall_init(c, &req->tc, alloc_tsize)) goto free_req; - if (p9_fcall_init(c, &req->rc, alloc_msize)) + if (p9_fcall_init(c, &req->rc, alloc_rsize)) goto free; p9pdu_reset(&req->tc); @@ -678,7 +680,7 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq) } static struct p9_req_t *p9_client_prepare_req(struct p9_client *c, - int8_t type, int req_size, + int8_t type, uint t_size, uint r_size, const char *fmt, va_list ap) { int err; @@ -694,7 +696,7 @@ static struct p9_req_t *p9_client_prepare_req(struct p9_client *c, if (c->status == BeginDisconnect && type != P9_TCLUNK) return ERR_PTR(-EIO); - req = p9_tag_alloc(c, type, req_size); + req = p9_tag_alloc(c, type, t_size, r_size); if (IS_ERR(req)) return req; @@ -731,7 +733,7 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) struct p9_req_t *req; va_start(ap, fmt); - req = p9_client_prepare_req(c, type, c->msize, fmt, ap); + req = p9_client_prepare_req(c, type, c->msize, c->msize, fmt, ap); va_end(ap); if (IS_ERR(req)) return req; @@ -829,7 +831,7 @@ static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type, /* We allocate a inline protocol data of only 4k bytes. * The actual content is passed in zero-copy fashion. */ - req = p9_client_prepare_req(c, type, P9_ZC_HDR_SZ, fmt, ap); + req = p9_client_prepare_req(c, type, P9_ZC_HDR_SZ, P9_ZC_HDR_SZ, fmt, ap); va_end(ap); if (IS_ERR(req)) return req; -- 2.30.2
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