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* [PATCH 1/1] nfsd: NFSD_FAULT_INJECTION depends on DEBUG_FS
@ 2015-03-25 20:37 Chengyu Song
  2015-03-26  1:02 ` J. Bruce Fields
  0 siblings, 1 reply; 2+ messages in thread
From: Chengyu Song @ 2015-03-25 20:37 UTC (permalink / raw)
  To: bfields, linux-nfs, linux-kernel
  Cc: taesoo, changwoo, sanidhya, blee, csong84

NFSD_FAULT_INJECTION depends on DEBUG_FS, otherwise the debugfs_create_*
interface may return unexpected error -ENODEV, and cause system crash.

Signed-off-by: Chengyu Song <csong84@gatech.edu>
---
 fs/nfsd/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index 683bf71..8b87b7a 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -107,7 +107,7 @@ config NFSD_V4_SECURITY_LABEL
 
 config NFSD_FAULT_INJECTION
 	bool "NFS server manual fault injection"
-	depends on NFSD_V4 && DEBUG_KERNEL
+	depends on NFSD_V4 && DEBUG_KERNEL && DEBUG_FS
 	help
 	  This option enables support for manually injecting faults
 	  into the NFS server.  This is intended to be used for
-- 
2.1.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 1/1] nfsd: NFSD_FAULT_INJECTION depends on DEBUG_FS
  2015-03-25 20:37 [PATCH 1/1] nfsd: NFSD_FAULT_INJECTION depends on DEBUG_FS Chengyu Song
@ 2015-03-26  1:02 ` J. Bruce Fields
  0 siblings, 0 replies; 2+ messages in thread
From: J. Bruce Fields @ 2015-03-26  1:02 UTC (permalink / raw)
  To: Chengyu Song; +Cc: linux-nfs, linux-kernel, taesoo, changwoo, sanidhya, blee

On Wed, Mar 25, 2015 at 04:37:07PM -0400, Chengyu Song wrote:
> NFSD_FAULT_INJECTION depends on DEBUG_FS, otherwise the debugfs_create_*
> interface may return unexpected error -ENODEV, and cause system crash.

Thanks, applying for 4.1.--b.

> 
> Signed-off-by: Chengyu Song <csong84@gatech.edu>
> ---
>  fs/nfsd/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
> index 683bf71..8b87b7a 100644
> --- a/fs/nfsd/Kconfig
> +++ b/fs/nfsd/Kconfig
> @@ -107,7 +107,7 @@ config NFSD_V4_SECURITY_LABEL
>  
>  config NFSD_FAULT_INJECTION
>  	bool "NFS server manual fault injection"
> -	depends on NFSD_V4 && DEBUG_KERNEL
> +	depends on NFSD_V4 && DEBUG_KERNEL && DEBUG_FS
>  	help
>  	  This option enables support for manually injecting faults
>  	  into the NFS server.  This is intended to be used for
> -- 
> 2.1.0

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2015-03-25 20:37 [PATCH 1/1] nfsd: NFSD_FAULT_INJECTION depends on DEBUG_FS Chengyu Song
2015-03-26  1:02 ` J. Bruce Fields

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