diff options
| author | Jeff Layton <jlayton@kernel.org> | 2020-02-17 18:38:37 -0500 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-03-30 12:42:41 +0200 |
| commit | 058daab79d6b597a20fd49b5e445b1b2929c2c1c (patch) | |
| tree | 28d3e3653be881b507005aea65b8e60d1cc12596 /fs/ceph/mds_client.c | |
| parent | c36d641493c9d170adf895b7650c26c944d37636 (diff) | |
ceph: move to a dedicated slabcache for mds requests
On my machine (x86_64) this struct is 952 bytes, which gets rounded up
to 1024 by kmalloc. Move this to a dedicated slabcache, so we can
allocate them without the extra 72 bytes of overhead per.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/mds_client.c')
| -rw-r--r-- | fs/ceph/mds_client.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 2980e57ca7b9..fab9d6461a65 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -736,7 +736,7 @@ void ceph_mdsc_release_request(struct kref *kref) put_request_session(req); ceph_unreserve_caps(req->r_mdsc, &req->r_caps_reservation); WARN_ON_ONCE(!list_empty(&req->r_wait)); - kfree(req); + kmem_cache_free(ceph_mds_request_cachep, req); } DEFINE_RB_FUNCS(request, struct ceph_mds_request, r_tid, r_node) @@ -2094,8 +2094,9 @@ int ceph_alloc_readdir_reply_buffer(struct ceph_mds_request *req, struct ceph_mds_request * ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode) { - struct ceph_mds_request *req = kzalloc(sizeof(*req), GFP_NOFS); + struct ceph_mds_request *req; + req = kmem_cache_zalloc(ceph_mds_request_cachep, GFP_NOFS); if (!req) return ERR_PTR(-ENOMEM); |