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IB/hfi1: Rename exp_lock to exp_mutex

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The mutex exp_lock in struct hfi1_ctxtdata is used to protect all
Expected TID data of a user context. This patch renames it to exp_mutex
to better reflect its identity and prepare for upcoming patches.

Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Kaike Wan 2018-06-04 11:43:54 -07:00 committed by Jason Gunthorpe
parent dc2b2a917c
commit ed71e86a8d
3 changed files with 8 additions and 8 deletions
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4
drivers/infiniband/hw/hfi1/hfi.h
View File

@ -245,8 +245,8 @@ struct hfi1_ctxtdata {
struct exp_tid_set tid_used_list;
struct exp_tid_set tid_full_list;
/* lock protecting all Expected TID data */
struct mutex exp_lock;
/* lock protecting all Expected TID data of user contexts */
struct mutex exp_mutex;
/* per-context configuration flags */
unsigned long flags;
/* per-context event flags for fileops/intr communication */

2
drivers/infiniband/hw/hfi1/init.c
View File

@ -368,7 +368,7 @@ int hfi1_create_ctxtdata(struct hfi1_pportdata *ppd, int numa,
rcd->numa_id = numa;
rcd->rcv_array_groups = dd->rcv_entries.ngroups;
mutex_init(&rcd->exp_lock);
mutex_init(&rcd->exp_mutex);
hfi1_cdbg(PROC, "setting up context %u\n", rcd->ctxt);

10
drivers/infiniband/hw/hfi1/user_exp_rcv.c
View File

@ -1,5 +1,5 @@
/*
* Copyright(c) 2015-2017 Intel Corporation.
* Copyright(c) 2015-2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@ -375,7 +375,7 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd,
* From this point on, we are going to be using shared (between master
* and subcontexts) context resources. We need to take the lock.
*/
mutex_lock(&uctxt->exp_lock);
mutex_lock(&uctxt->exp_mutex);
/*
* The first step is to program the RcvArray entries which are complete
* groups.
@ -461,7 +461,7 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd,
}
}
unlock:
mutex_unlock(&uctxt->exp_lock);
mutex_unlock(&uctxt->exp_mutex);
nomem:
hfi1_cdbg(TID, "total mapped: tidpairs:%u pages:%u (%d)", tididx,
mapped_pages, ret);
@ -517,7 +517,7 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd,
if (IS_ERR(tidinfo))
return PTR_ERR(tidinfo);
mutex_lock(&uctxt->exp_lock);
mutex_lock(&uctxt->exp_mutex);
for (tididx = 0; tididx < tinfo->tidcnt; tididx++) {
ret = unprogram_rcvarray(fd, tidinfo[tididx], NULL);
if (ret) {
@ -530,7 +530,7 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd,
fd->tid_used -= tididx;
spin_unlock(&fd->tid_lock);
tinfo->tidcnt = tididx;
mutex_unlock(&uctxt->exp_lock);
mutex_unlock(&uctxt->exp_mutex);
kfree(tidinfo);
return ret;