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xprtrdma: Rename rpcrdma_buffer::rb_all

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Clean up: There are other "all" list heads. For code clarity
distinguish this one as for use only for MRs by renaming it.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2019-08-19 18:42:31 -04:00 committed by Anna Schumaker
parent 2dfdcd88cf
commit eed48a9c16
2 changed files with 9 additions and 19 deletions
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26
net/sunrpc/xprtrdma/verbs.c
View File

@ -944,8 +944,6 @@ rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt)
struct rpcrdma_buffer *buf = &r_xprt->rx_buf;
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
unsigned int count;
LIST_HEAD(free);
LIST_HEAD(all);
for (count = 0; count < ia->ri_max_segs; count++) {
struct rpcrdma_mr *mr;
@ -963,15 +961,13 @@ rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt)
mr->mr_xprt = r_xprt;
list_add(&mr->mr_list, &free);
list_add(&mr->mr_all, &all);
spin_lock(&buf->rb_mrlock);
list_add(&mr->mr_list, &buf->rb_mrs);
list_add(&mr->mr_all, &buf->rb_all_mrs);
spin_unlock(&buf->rb_mrlock);
}
spin_lock(&buf->rb_mrlock);
list_splice(&free, &buf->rb_mrs);
list_splice(&all, &buf->rb_all);
r_xprt->rx_stats.mrs_allocated += count;
spin_unlock(&buf->rb_mrlock);
trace_xprtrdma_createmrs(r_xprt, count);
}
@ -1089,7 +1085,7 @@ int rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt)
spin_lock_init(&buf->rb_mrlock);
spin_lock_init(&buf->rb_lock);
INIT_LIST_HEAD(&buf->rb_mrs);
INIT_LIST_HEAD(&buf->rb_all);
INIT_LIST_HEAD(&buf->rb_all_mrs);
INIT_DELAYED_WORK(&buf->rb_refresh_worker,
rpcrdma_mr_refresh_worker);
@ -1156,24 +1152,18 @@ rpcrdma_mrs_destroy(struct rpcrdma_buffer *buf)
count = 0;
spin_lock(&buf->rb_mrlock);
while (!list_empty(&buf->rb_all)) {
mr = list_entry(buf->rb_all.next, struct rpcrdma_mr, mr_all);
while ((mr = list_first_entry_or_null(&buf->rb_all_mrs,
struct rpcrdma_mr,
mr_all)) != NULL) {
list_del(&mr->mr_all);
spin_unlock(&buf->rb_mrlock);
/* Ensure MW is not on any rl_registered list */
if (!list_empty(&mr->mr_list))
list_del(&mr->mr_list);
frwr_release_mr(mr);
count++;
spin_lock(&buf->rb_mrlock);
}
spin_unlock(&buf->rb_mrlock);
r_xprt->rx_stats.mrs_allocated = 0;
dprintk("RPC: %s: released %u MRs\n", __func__, count);
}
/**

2
net/sunrpc/xprtrdma/xprt_rdma.h
View File

@ -360,7 +360,7 @@ rpcrdma_mr_pop(struct list_head *list)
struct rpcrdma_buffer {
spinlock_t rb_mrlock; /* protect rb_mrs list */
struct list_head rb_mrs;
struct list_head rb_all;
struct list_head rb_all_mrs;
unsigned long rb_sc_head;
unsigned long rb_sc_tail;