linux-kernel - [PATCH 4/7] lustre: mdc: Replace uses of OBD_{ALLOC,FREE}

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Date:	Thu, 11 Jun 2015 14:02:55 +0200
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Oleg Drokin <oleg.drokin@...el.com>
Cc:	kernel-janitors@...r.kernel.org,
	Andreas Dilger <andreas.dilger@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	HPDD-discuss@...ts.01.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/7] lustre: mdc: Replace uses of OBD_{ALLOC,FREE}_LARGE

Replace uses of OBD_ALLOC_LARGE by libcfs_kvzalloc and OBD_FREE_LARGE by
kvfree.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression ptr,size;
@@

- OBD_ALLOC_LARGE(ptr,size)
+ ptr = libcfs_kvzalloc(size, GFP_NOFS)

@@
expression ptr,size;
@@

- OBD_FREE_LARGE(ptr, size);
+ kvfree(ptr);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 drivers/staging/lustre/lustre/mdc/mdc_locks.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/mdc/mdc_locks.c b/drivers/staging/lustre/lustre/mdc/mdc_locks.c
index f935797..bcb6c00 100644
--- a/drivers/staging/lustre/lustre/mdc/mdc_locks.c
+++ b/drivers/staging/lustre/lustre/mdc/mdc_locks.c
@@ -746,7 +746,7 @@ static int mdc_finish_enqueue(struct obd_export *exp,
 		LDLM_DEBUG(lock, "layout lock returned by: %s, lvb_len: %d\n",
 			ldlm_it2str(it->it_op), lvb_len);
 
-		OBD_ALLOC_LARGE(lmm, lvb_len);
+		lmm = libcfs_kvzalloc(lvb_len, GFP_NOFS);
 		if (lmm == NULL) {
 			LDLM_LOCK_PUT(lock);
 			return -ENOMEM;
@@ -763,7 +763,7 @@ static int mdc_finish_enqueue(struct obd_export *exp,
 		}
 		unlock_res_and_lock(lock);
 		if (lmm != NULL)
-			OBD_FREE_LARGE(lmm, lvb_len);
+			kvfree(lmm);
 	}
 	if (lock != NULL)
 		LDLM_LOCK_PUT(lock);

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