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* [PATCH RESEND v2] Staging: lustre cleanup macros in libcfs_private.h
@ 2017-04-13  9:24 ` Craig Inches
  0 siblings, 0 replies; 6+ messages in thread
From: Craig Inches @ 2017-04-13  9:24 UTC (permalink / raw)
  To: oleg.drokin, andreas.dilger, jsimmons, gregkh, john.hammond
  Cc: lustre-devel, devel, linux-kernel, Craig Inches

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@craiginches.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

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* [lustre-devel] [PATCH RESEND v2] Staging: lustre cleanup macros in libcfs_private.h
@ 2017-04-13  9:24 ` Craig Inches
  0 siblings, 0 replies; 6+ messages in thread
From: Craig Inches @ 2017-04-13  9:24 UTC (permalink / raw)
  To: oleg.drokin, andreas.dilger, jsimmons, gregkh, john.hammond
  Cc: lustre-devel, devel, linux-kernel, Craig Inches

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@craiginches.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

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* Re: [PATCH RESEND v2] Staging: lustre cleanup macros in libcfs_private.h
  2017-04-13  9:24 ` [lustre-devel] " Craig Inches
@ 2017-04-14  8:15   ` Greg KH
  -1 siblings, 0 replies; 6+ messages in thread
From: Greg KH @ 2017-04-14  8:15 UTC (permalink / raw)
  To: Craig Inches
  Cc: oleg.drokin, andreas.dilger, jsimmons, john.hammond,
	lustre-devel, devel, linux-kernel

On Thu, Apr 13, 2017 at 10:24:41AM +0100, Craig Inches wrote:
> 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@craiginches.com>
> ---
> Changes in v2:
>     - Kept statements together
>     - Kept operator on previous line

Why RESEND?

> 
>  .../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)			 \

I need a lustre maintainer to ack this one before I can take it.
Perhaps there was a good reasaon do { } while is used here...

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 6+ messages in thread
* [lustre-devel] [PATCH RESEND v2] Staging: lustre cleanup macros in libcfs_private.h
@ 2017-04-14  8:15   ` Greg KH
  0 siblings, 0 replies; 6+ messages in thread
From: Greg KH @ 2017-04-14  8:15 UTC (permalink / raw)
  To: Craig Inches
  Cc: oleg.drokin, andreas.dilger, jsimmons, john.hammond,
	lustre-devel, devel, linux-kernel

On Thu, Apr 13, 2017 at 10:24:41AM +0100, Craig Inches wrote:
> 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@craiginches.com>
> ---
> Changes in v2:
>     - Kept statements together
>     - Kept operator on previous line

Why RESEND?

> 
>  .../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)			 \

I need a lustre maintainer to ack this one before I can take it.
Perhaps there was a good reasaon do { } while is used here...

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 6+ messages in thread
* Re: [lustre-devel] [PATCH RESEND v2] Staging: lustre cleanup macros in     libcfs_private.h
  2017-04-13  9:24 ` [lustre-devel] " Craig Inches
@ 2017-04-18  9:47   ` Dilger, Andreas
  -1 siblings, 0 replies; 6+ messages in thread
From: Dilger, Andreas @ 2017-04-18  9:47 UTC (permalink / raw)
  To: Craig Inches
  Cc: Drokin, Oleg, jsimmons, gregkh, Hammond, John, devel,
	linux-kernel, lustre-devel

On Apr 13, 2017, at 03:24, Craig Inches <craig@craiginches.com> wrote:
> 
> 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@craiginches.com>

I don't think there was any particular reason for "do { } while(0)" here except
force of habit.

Reviewed-by: Andreas Dilger <andreas.dilger@intel.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
> 
> _______________________________________________
> lustre-devel mailing list
> lustre-devel@lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation

^ permalink raw reply	[flat|nested] 6+ messages in thread
* [lustre-devel] [PATCH RESEND v2] Staging: lustre cleanup macros in libcfs_private.h
@ 2017-04-18  9:47   ` Dilger, Andreas
  0 siblings, 0 replies; 6+ messages in thread
From: Dilger, Andreas @ 2017-04-18  9:47 UTC (permalink / raw)
  To: Craig Inches
  Cc: Drokin, Oleg, jsimmons, gregkh, Hammond, John, devel,
	linux-kernel, lustre-devel

On Apr 13, 2017, at 03:24, Craig Inches <craig@craiginches.com> wrote:
> 
> 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@craiginches.com>

I don't think there was any particular reason for "do { } while(0)" here except
force of habit.

Reviewed-by: Andreas Dilger <andreas.dilger@intel.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
> 
> _______________________________________________
> lustre-devel mailing list
> lustre-devel at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation

^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2017-04-18  9:48 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-04-13  9:24 [PATCH RESEND v2] Staging: lustre cleanup macros in libcfs_private.h Craig Inches
2017-04-13  9:24 ` [lustre-devel] " Craig Inches
2017-04-14  8:15 ` Greg KH
2017-04-14  8:15   ` [lustre-devel] " Greg KH
2017-04-18  9:47 ` Dilger, Andreas
2017-04-18  9:47   ` Dilger, Andreas

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