xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

IB/iser: Introduce iser registration pool struct

Browse Source 
Instead of having it a part of the connection structure,
have it be under a dedicated (embedded) structure in the
connection. A logical separation of the registration pool
and the connection structure.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Adir Lev <adirl@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg
2015-08-06 18:32:58 +03:00
committed by Doug Ledford
parent eb6ea8c36c
commit 385ad87d4b
3 changed files with 82 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/infiniband/ulp/iser/iscsi_iser.h
View File

@@ -417,6 +417,33 @@ struct iser_fr_desc {
struct iser_pi_context *pi_ctx;
};
/**
* struct iser_fr_pool: connection fast registration pool
*
* @lock: protects fmr/fastreg pool
* @union.fmr:
* @pool: FMR pool for fast registrations
* @page_vec: fast reg page list to hold mapped commands pages
* used for registration
* @union.fastreg:
* @pool: Fast registration descriptors pool for fast
* registrations
* @pool_size: Size of pool
*/
struct iser_fr_pool {
spinlock_t lock;
union {
struct {
struct ib_fmr_pool *pool;
struct iser_page_vec *page_vec;
} fmr;
struct {
struct list_head pool;
int pool_size;
} fastreg;
};
};
/**
* struct ib_conn - Infiniband related objects
*
@@ -430,15 +457,7 @@ struct iser_fr_desc {
* @pi_support: Indicate device T10-PI support
* @beacon: beacon send wr to signal all flush errors were drained
* @flush_comp: completes when all connection completions consumed
* @lock: protects fmr/fastreg pool
* @union.fmr:
* @pool: FMR pool for fast registrations
* @page_vec: page vector to hold mapped commands pages
* used for registration
* @union.fastreg:
* @pool: Fast registration descriptors pool for fast
* registrations
* @pool_size: Size of pool
* @fr_pool: connection fast registration poool
*/
struct ib_conn {
struct rdma_cm_id *cma_id;
@@ -451,17 +470,7 @@ struct ib_conn {
bool pi_support;
struct ib_send_wr beacon;
struct completion flush_comp;
spinlock_t lock;
union {
struct {
struct ib_fmr_pool *pool;
struct iser_page_vec *page_vec;
} fmr;
struct {
struct list_head pool;
int pool_size;
} fastreg;
};
struct iser_fr_pool fr_pool;
};
/**