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* [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode
@ 2014-04-30 10:11 Namjae Jeon
  2014-04-30 10:26 ` Lukáš Czerner
  0 siblings, 1 reply; 4+ messages in thread
From: Namjae Jeon @ 2014-04-30 10:11 UTC (permalink / raw)
  To: Dave Chinner; +Cc: xfs, linux-fsdevel, Ashish Sangwan

There is if condition to be block aligned for off and len of Collapse range.
But off and len for all fallocate opearion can be aligned by incorrect
if condition check.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
---
 ltp/fsstress.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ltp/fsstress.c b/ltp/fsstress.c
index 29fc250..ff9ed12 100644
--- a/ltp/fsstress.c
+++ b/ltp/fsstress.c
@@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode)
 	 * Collapse range requires off and len to be block aligned, make it
 	 * more likely to be the case.
 	 */
-	if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
+	if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
 		off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
 		len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
 	}
-- 
1.7.11-rc0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode
  2014-04-30 10:11 [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Namjae Jeon
@ 2014-04-30 10:26 ` Lukáš Czerner
  2014-04-30 10:33   ` Namjae Jeon
  2014-04-30 10:43   ` Namjae Jeon
  0 siblings, 2 replies; 4+ messages in thread
From: Lukáš Czerner @ 2014-04-30 10:26 UTC (permalink / raw)
  To: Namjae Jeon; +Cc: Dave Chinner, xfs, linux-fsdevel, Ashish Sangwan

On Wed, 30 Apr 2014, Namjae Jeon wrote:

> Date: Wed, 30 Apr 2014 19:11:32 +0900
> From: Namjae Jeon <namjae.jeon@samsung.com>
> To: Dave Chinner <david@fromorbit.com>
> Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org,
>     Ashish Sangwan <a.sangwan@samsung.com>
> Subject: [PATCH] xfstests: fsstress: fix incorrect if condition check for
>     collapse range mode
> 
> There is if condition to be block aligned for off and len of Collapse range.
> But off and len for all fallocate opearion can be aligned by incorrect
> if condition check.
> 
> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
> ---
>  ltp/fsstress.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/ltp/fsstress.c b/ltp/fsstress.c
> index 29fc250..ff9ed12 100644
> --- a/ltp/fsstress.c
> +++ b/ltp/fsstress.c
> @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode)
>  	 * Collapse range requires off and len to be block aligned, make it
>  	 * more likely to be the case.
>  	 */
> -	if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
> +	if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
>  		off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
>  		len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
>  	}

oops :). Thanks for fixing it. Even though it would be better to use
parentheses

+	if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) {

Reviewed-by: Lukas Czerner <lczerner@redhat.com>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* RE: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode
  2014-04-30 10:26 ` Lukáš Czerner
@ 2014-04-30 10:33   ` Namjae Jeon
  2014-04-30 10:43   ` Namjae Jeon
  1 sibling, 0 replies; 4+ messages in thread
From: Namjae Jeon @ 2014-04-30 10:33 UTC (permalink / raw)
  To: 'Lukáš Czerner'
  Cc: 'Dave Chinner', xfs, linux-fsdevel,
	'Ashish Sangwan'

> On Wed, 30 Apr 2014, Namjae Jeon wrote:
> 
> > Date: Wed, 30 Apr 2014 19:11:32 +0900
> > From: Namjae Jeon <namjae.jeon@samsung.com>
> > To: Dave Chinner <david@fromorbit.com>
> > Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org,
> >     Ashish Sangwan <a.sangwan@samsung.com>
> > Subject: [PATCH] xfstests: fsstress: fix incorrect if condition check for
> >     collapse range mode
> >
> > There is if condition to be block aligned for off and len of Collapse range.
> > But off and len for all fallocate opearion can be aligned by incorrect
> > if condition check.
> >
> > Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> > Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
> > ---
> >  ltp/fsstress.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/ltp/fsstress.c b/ltp/fsstress.c
> > index 29fc250..ff9ed12 100644
> > --- a/ltp/fsstress.c
> > +++ b/ltp/fsstress.c
> > @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode)
> >  	 * Collapse range requires off and len to be block aligned, make it
> >  	 * more likely to be the case.
> >  	 */
> > -	if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
> > +	if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
> >  		off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
> >  		len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
> >  	}
> 
> oops :). Thanks for fixing it. Even though it would be better to use
> parentheses
Hi Lukas.
Okay, I will send v2 patch.
Thanks for review!
> 
> +	if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) {
> 
> Reviewed-by: Lukas Czerner <lczerner@redhat.com>


^ permalink raw reply	[flat|nested] 4+ messages in thread

* RE: [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode
  2014-04-30 10:26 ` Lukáš Czerner
  2014-04-30 10:33   ` Namjae Jeon
@ 2014-04-30 10:43   ` Namjae Jeon
  1 sibling, 0 replies; 4+ messages in thread
From: Namjae Jeon @ 2014-04-30 10:43 UTC (permalink / raw)
  To: 'Lukáš Czerner'
  Cc: linux-fsdevel, 'Ashish Sangwan', xfs

> On Wed, 30 Apr 2014, Namjae Jeon wrote:
> 
> > Date: Wed, 30 Apr 2014 19:11:32 +0900
> > From: Namjae Jeon <namjae.jeon@samsung.com>
> > To: Dave Chinner <david@fromorbit.com>
> > Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org,
> >     Ashish Sangwan <a.sangwan@samsung.com>
> > Subject: [PATCH] xfstests: fsstress: fix incorrect if condition check for
> >     collapse range mode
> >
> > There is if condition to be block aligned for off and len of Collapse range.
> > But off and len for all fallocate opearion can be aligned by incorrect
> > if condition check.
> >
> > Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> > Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
> > ---
> >  ltp/fsstress.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/ltp/fsstress.c b/ltp/fsstress.c
> > index 29fc250..ff9ed12 100644
> > --- a/ltp/fsstress.c
> > +++ b/ltp/fsstress.c
> > @@ -2230,7 +2230,7 @@ do_fallocate(int opno, long r, int mode)
> >  	 * Collapse range requires off and len to be block aligned, make it
> >  	 * more likely to be the case.
> >  	 */
> > -	if (FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
> > +	if (mode & FALLOC_FL_COLLAPSE_RANGE && (opno % 2)) {
> >  		off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
> >  		len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
> >  	}
> 
> oops :). Thanks for fixing it. Even though it would be better to use
> parentheses
Hi Lukas.
Okay, I will send v2 patch.
Thanks for review!
> 
> +	if ((mode & FALLOC_FL_COLLAPSE_RANGE) && (opno % 2)) {
> 
> Reviewed-by: Lukas Czerner <lczerner@redhat.com>

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^ permalink raw reply	[flat|nested] 4+ messages in thread

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2014-04-30 10:11 [PATCH] xfstests: fsstress: fix incorrect if condition check for collapse range mode Namjae Jeon
2014-04-30 10:26 ` Lukáš Czerner
2014-04-30 10:33   ` Namjae Jeon
2014-04-30 10:43   ` Namjae Jeon

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