diff options
| author | Michael Guralnik <michaelgur@nvidia.com> | 2023-01-26 01:28:07 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-01-27 20:15:23 +0300 |
| commit | 627122280c878cf5d3cda2d2c5a0a8f6a7e35cb7 (patch) | |
| tree | 01d3310ff4953f3935cf6a987197fd9ae5632ad0 /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| parent | dd1b913fb0d0e3e6d55e92d2319d954474dd66ac (diff) | |
| download | linux-627122280c878cf5d3cda2d2c5a0a8f6a7e35cb7.tar.xz | |
RDMA/mlx5: Add work to remove temporary entries from the cache
The non-cache mkeys are stored in the cache only to shorten restarting
application time. Don't store them longer than needed.
Configure cache entries that store non-cache MRs as temporary entries. If
30 seconds have passed and no user reclaimed the temporarily cached mkeys,
an asynchronous work will destroy the mkeys entries.
Link: https://lore.kernel.org/r/20230125222807.6921-7-michaelgur@nvidia.com
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index c9c80af2f626..e8b0a92bbd67 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -750,6 +750,7 @@ struct mlx5_cache_ent { struct rb_node node; struct mlx5r_cache_rb_key rb_key; + u8 is_tmp:1; u8 disabled:1; u8 fill_to_high_water:1; @@ -783,6 +784,7 @@ struct mlx5_mkey_cache { struct mutex rb_lock; struct dentry *fs_root; unsigned long last_add; + struct delayed_work remove_ent_dwork; }; struct mlx5_ib_port_resources { @@ -1326,9 +1328,10 @@ void mlx5_ib_copy_pas(u64 *old, u64 *new, int step, int num); int mlx5_ib_get_cqe_size(struct ib_cq *ibcq); int mlx5_mkey_cache_init(struct mlx5_ib_dev *dev); int mlx5_mkey_cache_cleanup(struct mlx5_ib_dev *dev); -struct mlx5_cache_ent *mlx5r_cache_create_ent(struct mlx5_ib_dev *dev, - struct mlx5r_cache_rb_key rb_key, - bool persistent_entry); +struct mlx5_cache_ent * +mlx5r_cache_create_ent_locked(struct mlx5_ib_dev *dev, + struct mlx5r_cache_rb_key rb_key, + bool persistent_entry); struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, int access_flags, int access_mode, |