diff options
author | Simon Derr <simon.derr@bull.net> | 2013-06-21 15:32:36 +0200 |
---|---|---|
committer | Eric Van Hensbergen <ericvh@gmail.com> | 2013-07-08 05:02:27 +0200 |
commit | 5387320d4814aa1e40b50529d960a8f2b3340535 (patch) | |
tree | 87b7a46b37e7f2800e65f7e159c9c99d03c65e31 /net | |
parent | 9P/RDMA: rdma_request() needs not allocate req->rc (diff) | |
download | linux-5387320d4814aa1e40b50529d960a8f2b3340535.tar.xz linux-5387320d4814aa1e40b50529d960a8f2b3340535.zip |
9pnet: refactor struct p9_fcall alloc code
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net')
-rw-r--r-- | net/9p/client.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 5828769d1f3d..db5bf2480a33 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -204,6 +204,17 @@ free_and_return: return ret; } +struct p9_fcall *p9_fcall_alloc(int alloc_msize) +{ + struct p9_fcall *fc; + fc = kmalloc(sizeof(struct p9_fcall) + alloc_msize, GFP_NOFS); + if (!fc) + return NULL; + fc->capacity = alloc_msize; + fc->sdata = (char *) fc + sizeof(struct p9_fcall); + return fc; +} + /** * p9_tag_alloc - lookup/allocate a request by tag * @c: client session to lookup tag within @@ -256,29 +267,19 @@ p9_tag_alloc(struct p9_client *c, u16 tag, unsigned int max_size) col = tag % P9_ROW_MAXTAG; req = &c->reqs[row][col]; - if (!req->tc) { + if (!req->wq) { req->wq = kmalloc(sizeof(wait_queue_head_t), GFP_NOFS); if (!req->wq) goto grow_failed; - init_waitqueue_head(req->wq); - req->tc = kmalloc(sizeof(struct p9_fcall) + alloc_msize, - GFP_NOFS); - if (!req->tc) - goto grow_failed; - - req->tc->capacity = alloc_msize; - req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall); } - if (!req->rc) { - req->rc = kmalloc(sizeof(struct p9_fcall) + alloc_msize, - GFP_NOFS); - if (!req->rc) - goto grow_failed; - req->rc->capacity = alloc_msize; - req->rc->sdata = (char *) req->rc + sizeof(struct p9_fcall); - } + if (!req->tc) + req->tc = p9_fcall_alloc(alloc_msize); + if (!req->rc) + req->rc = p9_fcall_alloc(alloc_msize); + if (!req->tc || !req->rc) + goto grow_failed; p9pdu_reset(req->tc); p9pdu_reset(req->rc); |