[03/10] lustre: ptlrpc: make ptlrpc_bulk_frag_ops always const.
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Message ID 1563761542-3708-4-git-send-email-jsimmons@infradead.org
State New
Headers show
Series
  • lustre: push patches ready from lustre-testing
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Commit Message

James Simmons July 22, 2019, 2:12 a.m. UTC
From: NeilBrown <neilb@suse.com>

There is one place where a non-const pointer to this struct
exists, and that causes a cast to be required.

Make it always const, and discard the cast.

Signed-off-by: NeilBrown <neilb@suse.com>
WC-bug-id: https://jira.whamcloud.com/browse/LU-4423
Reviewed-on: https://review.whamcloud.com/35295
Reviewed-by: Petros Koutoupis <pkoutoupis@cray.com>
Reviewed-by: Shaun Tancheff <stancheff@cray.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 fs/lustre/include/lustre_net.h | 2 +-
 fs/lustre/ptlrpc/client.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/fs/lustre/include/lustre_net.h b/fs/lustre/include/lustre_net.h
index 1cf0f12..83f8aff 100644
--- a/fs/lustre/include/lustre_net.h
+++ b/fs/lustre/include/lustre_net.h
@@ -1222,7 +1222,7 @@  struct ptlrpc_bulk_desc {
 	struct obd_import		*bd_import;
 	/** Back pointer to the request */
 	struct ptlrpc_request		*bd_req;
-	struct ptlrpc_bulk_frag_ops	*bd_frag_ops;
+	const struct ptlrpc_bulk_frag_ops *bd_frag_ops;
 	wait_queue_head_t		bd_waitq;     /* server side only WQ */
 	int				bd_iov_count; /* # entries in bd_iov */
 	int				bd_max_iov;   /* allocated size of bd_iov */
diff --git a/fs/lustre/ptlrpc/client.c b/fs/lustre/ptlrpc/client.c
index 364c61f..ff1fa68 100644
--- a/fs/lustre/ptlrpc/client.c
+++ b/fs/lustre/ptlrpc/client.c
@@ -150,7 +150,7 @@  struct ptlrpc_bulk_desc *ptlrpc_new_bulk(unsigned int nfrags,
 	desc->bd_portal = portal;
 	desc->bd_type = type;
 	desc->bd_md_count = 0;
-	desc->bd_frag_ops = (struct ptlrpc_bulk_frag_ops *)ops;
+	desc->bd_frag_ops = ops;
 	LASSERT(max_brw > 0);
 	desc->bd_md_max_brw = min(max_brw, PTLRPC_BULK_OPS_COUNT);
 	/*