diff options
| author | Maor Gottlieb <maorg@mellanox.com> | 2020-07-06 15:27:16 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-07-07 01:32:23 +0300 |
| commit | 6f3ca6f4f5e05b52bf6851ada21026faa106de76 (patch) | |
| tree | 721ee536ae5d41958bd28bc876ac20a752307945 /include/rdma | |
| parent | b73efcb26e2c6d66797c57bed8df13c3718c58cb (diff) | |
| download | linux-6f3ca6f4f5e05b52bf6851ada21026faa106de76.tar.xz | |
RDMA/core: Optimize XRC target lookup
Replace the mutex with read write semaphore and use xarray instead of
linked list for XRC target QPs. This will give faster XRC target
lookup. In addition, when QP is closed, don't insert it back to the xarray
if the destroy command failed.
Link: https://lore.kernel.org/r/20200706122716.647338-4-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_verbs.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index db6f78c5394f..20c801730fed 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1567,9 +1567,8 @@ struct ib_xrcd { struct ib_device *device; atomic_t usecnt; /* count all exposed resources */ struct inode *inode; - - struct mutex tgt_qp_mutex; - struct list_head tgt_qp_list; + struct rw_semaphore tgt_qps_rwsem; + struct xarray tgt_qps; }; struct ib_ah { |