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Message-Id: <1466456152-2199975-19-git-send-email-green@linuxhacker.ru>
Date: Mon, 20 Jun 2016 16:55:41 -0400
From: Oleg Drokin <green@...uxhacker.ru>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lustre Development List <lustre-devel@...ts.lustre.org>,
"John L. Hammond" <john.hammond@...el.com>,
Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH v2 18/29] staging/lustre/ldlm: const qualify struct lustre_handle * params
From: "John L. Hammond" <john.hammond@...el.com>
Add a const qualifier to several struct lustre_handle * parameters in
the LDLM interface.
Signed-off-by: John L. Hammond <john.hammond@...el.com>
Reviewed-on: http://review.whamcloud.com/17071
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7403
Reviewed-by: Andreas Dilger <andreas.dilger@...el.com>
Reviewed-by: James Simmons <uja.ornl@...oo.com>
Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
---
drivers/staging/lustre/lustre/include/lustre_dlm.h | 18 +++++++++---------
drivers/staging/lustre/lustre/ldlm/ldlm_lock.c | 14 +++++++-------
drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c | 2 +-
drivers/staging/lustre/lustre/ldlm/ldlm_request.c | 4 ++--
4 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h
index 63085a0..60051a5 100644
--- a/drivers/staging/lustre/lustre/include/lustre_dlm.h
+++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h
@@ -1073,7 +1073,7 @@ void ldlm_lock2handle(const struct ldlm_lock *lock,
struct ldlm_lock *__ldlm_handle2lock(const struct lustre_handle *, __u64 flags);
void ldlm_cancel_callback(struct ldlm_lock *);
int ldlm_lock_remove_from_lru(struct ldlm_lock *);
-int ldlm_lock_set_data(struct lustre_handle *, void *);
+int ldlm_lock_set_data(const struct lustre_handle *lockh, void *data);
/**
* Obtain a lock reference by its handle.
@@ -1162,10 +1162,10 @@ do { \
struct ldlm_lock *ldlm_lock_get(struct ldlm_lock *lock);
void ldlm_lock_put(struct ldlm_lock *lock);
void ldlm_lock2desc(struct ldlm_lock *lock, struct ldlm_lock_desc *desc);
-void ldlm_lock_addref(struct lustre_handle *lockh, __u32 mode);
-int ldlm_lock_addref_try(struct lustre_handle *lockh, __u32 mode);
-void ldlm_lock_decref(struct lustre_handle *lockh, __u32 mode);
-void ldlm_lock_decref_and_cancel(struct lustre_handle *lockh, __u32 mode);
+void ldlm_lock_addref(const struct lustre_handle *lockh, __u32 mode);
+int ldlm_lock_addref_try(const struct lustre_handle *lockh, __u32 mode);
+void ldlm_lock_decref(const struct lustre_handle *lockh, __u32 mode);
+void ldlm_lock_decref_and_cancel(const struct lustre_handle *lockh, __u32 mode);
void ldlm_lock_fail_match_locked(struct ldlm_lock *lock);
void ldlm_lock_allow_match(struct ldlm_lock *lock);
void ldlm_lock_allow_match_locked(struct ldlm_lock *lock);
@@ -1174,10 +1174,10 @@ enum ldlm_mode ldlm_lock_match(struct ldlm_namespace *ns, __u64 flags,
enum ldlm_type type, ldlm_policy_data_t *,
enum ldlm_mode mode, struct lustre_handle *,
int unref);
-enum ldlm_mode ldlm_revalidate_lock_handle(struct lustre_handle *lockh,
+enum ldlm_mode ldlm_revalidate_lock_handle(const struct lustre_handle *lockh,
__u64 *bits);
void ldlm_lock_cancel(struct ldlm_lock *lock);
-void ldlm_lock_dump_handle(int level, struct lustre_handle *);
+void ldlm_lock_dump_handle(int level, const struct lustre_handle *);
void ldlm_unlink_lock_skiplist(struct ldlm_lock *req);
/* resource.c */
@@ -1251,9 +1251,9 @@ int ldlm_cli_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req,
enum ldlm_type type, __u8 with_policy,
enum ldlm_mode mode,
__u64 *flags, void *lvb, __u32 lvb_len,
- struct lustre_handle *lockh, int rc);
+ const struct lustre_handle *lockh, int rc);
int ldlm_cli_update_pool(struct ptlrpc_request *req);
-int ldlm_cli_cancel(struct lustre_handle *lockh,
+int ldlm_cli_cancel(const struct lustre_handle *lockh,
enum ldlm_cancel_flags cancel_flags);
int ldlm_cli_cancel_unused(struct ldlm_namespace *, const struct ldlm_res_id *,
enum ldlm_cancel_flags flags, void *opaque);
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
index b7254eb..a5993f7 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
@@ -658,7 +658,7 @@ static void ldlm_add_ast_work_item(struct ldlm_lock *lock,
* r/w reference type is determined by \a mode
* Calls ldlm_lock_addref_internal.
*/
-void ldlm_lock_addref(struct lustre_handle *lockh, __u32 mode)
+void ldlm_lock_addref(const struct lustre_handle *lockh, __u32 mode)
{
struct ldlm_lock *lock;
@@ -700,7 +700,7 @@ void ldlm_lock_addref_internal_nolock(struct ldlm_lock *lock, __u32 mode)
*
* \retval -EAGAIN lock is being canceled.
*/
-int ldlm_lock_addref_try(struct lustre_handle *lockh, __u32 mode)
+int ldlm_lock_addref_try(const struct lustre_handle *lockh, __u32 mode)
{
struct ldlm_lock *lock;
int result;
@@ -832,7 +832,7 @@ void ldlm_lock_decref_internal(struct ldlm_lock *lock, __u32 mode)
/**
* Decrease reader/writer refcount for LDLM lock with handle \a lockh
*/
-void ldlm_lock_decref(struct lustre_handle *lockh, __u32 mode)
+void ldlm_lock_decref(const struct lustre_handle *lockh, __u32 mode)
{
struct ldlm_lock *lock = __ldlm_handle2lock(lockh, 0);
@@ -849,7 +849,7 @@ EXPORT_SYMBOL(ldlm_lock_decref);
*
* Typical usage is for GROUP locks which we cannot allow to be cached.
*/
-void ldlm_lock_decref_and_cancel(struct lustre_handle *lockh, __u32 mode)
+void ldlm_lock_decref_and_cancel(const struct lustre_handle *lockh, __u32 mode)
{
struct ldlm_lock *lock = __ldlm_handle2lock(lockh, 0);
@@ -1318,7 +1318,7 @@ enum ldlm_mode ldlm_lock_match(struct ldlm_namespace *ns, __u64 flags,
}
EXPORT_SYMBOL(ldlm_lock_match);
-enum ldlm_mode ldlm_revalidate_lock_handle(struct lustre_handle *lockh,
+enum ldlm_mode ldlm_revalidate_lock_handle(const struct lustre_handle *lockh,
__u64 *bits)
{
struct ldlm_lock *lock;
@@ -1849,7 +1849,7 @@ EXPORT_SYMBOL(ldlm_lock_cancel);
/**
* Set opaque data into the lock that only makes sense to upper layer.
*/
-int ldlm_lock_set_data(struct lustre_handle *lockh, void *data)
+int ldlm_lock_set_data(const struct lustre_handle *lockh, void *data)
{
struct ldlm_lock *lock = ldlm_handle2lock(lockh);
int rc = -EINVAL;
@@ -1875,7 +1875,7 @@ struct export_cl_data {
*
* Used when printing all locks on a resource for debug purposes.
*/
-void ldlm_lock_dump_handle(int level, struct lustre_handle *lockh)
+void ldlm_lock_dump_handle(int level, const struct lustre_handle *lockh)
{
struct ldlm_lock *lock;
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
index 8294703..821939f 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
@@ -499,7 +499,7 @@ static int ldlm_handle_setinfo(struct ptlrpc_request *req)
static inline void ldlm_callback_errmsg(struct ptlrpc_request *req,
const char *msg, int rc,
- struct lustre_handle *handle)
+ const struct lustre_handle *handle)
{
DEBUG_REQ((req->rq_no_reply || rc) ? D_WARNING : D_DLMTRACE, req,
"%s: [nid %s] [rc %d] [lock %#llx]",
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
index d3a376e..af487f9 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
@@ -336,7 +336,7 @@ int ldlm_cli_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req,
enum ldlm_type type, __u8 with_policy,
enum ldlm_mode mode,
__u64 *flags, void *lvb, __u32 lvb_len,
- struct lustre_handle *lockh, int rc)
+ const struct lustre_handle *lockh, int rc)
{
struct ldlm_namespace *ns = exp->exp_obd->obd_namespace;
int is_replay = *flags & LDLM_FL_REPLAY;
@@ -1023,7 +1023,7 @@ EXPORT_SYMBOL(ldlm_cli_update_pool);
*
* Lock must not have any readers or writers by this time.
*/
-int ldlm_cli_cancel(struct lustre_handle *lockh,
+int ldlm_cli_cancel(const struct lustre_handle *lockh,
enum ldlm_cancel_flags cancel_flags)
{
struct obd_export *exp;
--
2.7.4
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