linux-kernel - [PATCH v2] Staging: lustre cleanup macros in libcfs

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Message-Id: <20170405133042.4619-1-Craig@craiginches.com>
Date:   Wed,  5 Apr 2017 14:30:42 +0100
From:   Craig Inches <Craig@...iginches.com>
To:     oleg.drokin@...el.com, andreas.dilger@...el.com,
        jsimmons@...radead.org, gregkh@...uxfoundation.org,
        john.hammond@...el.com
Cc:     lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, Craig Inches <Craig@...iginches.com>
Subject: [PATCH v2] Staging: lustre cleanup macros in libcfs_private.h

This resolves a checkpatch warning that "Single statement macros should
not use a do {} while (0) loop" by removing the loop and adjusting line
length accordingly.

Signed-off-by: Craig Inches <Craig@...iginches.com>
---
Changes in v2:
    - Kept statements together
    - Kept operator on previous line

 .../lustre/include/linux/libcfs/libcfs_private.h   | 51 +++++++---------------
 1 file changed, 15 insertions(+), 36 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
index 2dae857..e774c75 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h
@@ -87,12 +87,9 @@ do {								    \
 #define LIBCFS_VMALLOC_SIZE	(2 << PAGE_SHIFT) /* 2 pages */
 #endif
 
-#define LIBCFS_ALLOC_PRE(size, mask)					    \
-do {									    \
-	LASSERT(!in_interrupt() ||					    \
-		((size) <= LIBCFS_VMALLOC_SIZE &&			    \
-		 !gfpflags_allow_blocking(mask)));			    \
-} while (0)
+#define LIBCFS_ALLOC_PRE(size, mask)					\
+	LASSERT(!in_interrupt() || ((size) <= LIBCFS_VMALLOC_SIZE &&	\
+				    !gfpflags_allow_blocking(mask)))
 
 #define LIBCFS_ALLOC_POST(ptr, size)					    \
 do {									    \
@@ -187,46 +184,28 @@ void  cfs_array_free(void *vars);
 #if LASSERT_ATOMIC_ENABLED
 
 /** assert value of @a is equal to @v */
-#define LASSERT_ATOMIC_EQ(a, v)				 \
-do {							    \
-	LASSERTF(atomic_read(a) == v,		       \
-		 "value: %d\n", atomic_read((a)));	  \
-} while (0)
+#define LASSERT_ATOMIC_EQ(a, v)			\
+	LASSERTF(atomic_read(a) == v, "value: %d\n", atomic_read((a)))
 
 /** assert value of @a is unequal to @v */
-#define LASSERT_ATOMIC_NE(a, v)				 \
-do {							    \
-	LASSERTF(atomic_read(a) != v,		       \
-		 "value: %d\n", atomic_read((a)));	  \
-} while (0)
+#define LASSERT_ATOMIC_NE(a, v)		\
+	LASSERTF(atomic_read(a) != v, "value: %d\n", atomic_read((a)))
 
 /** assert value of @a is little than @v */
-#define LASSERT_ATOMIC_LT(a, v)				 \
-do {							    \
-	LASSERTF(atomic_read(a) < v,			\
-		 "value: %d\n", atomic_read((a)));	  \
-} while (0)
+#define LASSERT_ATOMIC_LT(a, v)		\
+	LASSERTF(atomic_read(a) < v, "value: %d\n", atomic_read((a)))
 
 /** assert value of @a is little/equal to @v */
-#define LASSERT_ATOMIC_LE(a, v)				 \
-do {							    \
-	LASSERTF(atomic_read(a) <= v,		       \
-		 "value: %d\n", atomic_read((a)));	  \
-} while (0)
+#define LASSERT_ATOMIC_LE(a, v)		\
+	LASSERTF(atomic_read(a) <= v, "value: %d\n", atomic_read((a)))
 
 /** assert value of @a is great than @v */
-#define LASSERT_ATOMIC_GT(a, v)				 \
-do {							    \
-	LASSERTF(atomic_read(a) > v,			\
-		 "value: %d\n", atomic_read((a)));	  \
-} while (0)
+#define LASSERT_ATOMIC_GT(a, v)		\
+	LASSERTF(atomic_read(a) > v, "value: %d\n", atomic_read((a)))
 
 /** assert value of @a is great/equal to @v */
-#define LASSERT_ATOMIC_GE(a, v)				 \
-do {							    \
-	LASSERTF(atomic_read(a) >= v,		       \
-		 "value: %d\n", atomic_read((a)));	  \
-} while (0)
+#define LASSERT_ATOMIC_GE(a, v)		\
+	LASSERTF(atomic_read(a) >= v, "value: %d\n", atomic_read((a)))
 
 /** assert value of @a is great than @v1 and little than @v2 */
 #define LASSERT_ATOMIC_GT_LT(a, v1, v2)			 \
-- 
2.10.2