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* [PATCH v2] xfs_mkfs: Do not discard if '-N' is provided
@ 2013-02-12 15:44 Lukas Czerner
  2013-02-14 22:07 ` Ben Myers
  0 siblings, 1 reply; 2+ messages in thread
From: Lukas Czerner @ 2013-02-12 15:44 UTC (permalink / raw)
  To: xfs; +Cc: Lukas Czerner

When '-N' is specified we really should not write anything to the
device, neither we should attempt to discard the device.

This commit fixes xfs_mkfs to not attempt to discard the device in the
case user specified '-N' flag.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
v2: Rebase to the up-to-date repository

 mkfs/xfs_mkfs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 3cfab06..c84448e 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -1950,7 +1950,7 @@ _("block size %d cannot be smaller than logical sector size %d\n"),
 		}
 	}
 
-	if (discard) {
+	if (discard && !Nflag) {
 		discard_blocks(xi.ddev, xi.dsize);
 		if (xi.rtdev)
 			discard_blocks(xi.rtdev, xi.rtsize);
-- 
1.7.7.6

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

* Re: [PATCH v2] xfs_mkfs: Do not discard if '-N' is provided
  2013-02-12 15:44 [PATCH v2] xfs_mkfs: Do not discard if '-N' is provided Lukas Czerner
@ 2013-02-14 22:07 ` Ben Myers
  0 siblings, 0 replies; 2+ messages in thread
From: Ben Myers @ 2013-02-14 22:07 UTC (permalink / raw)
  To: Lukas Czerner; +Cc: xfs

On Tue, Feb 12, 2013 at 04:44:30PM +0100, Lukas Czerner wrote:
> When '-N' is specified we really should not write anything to the
> device, neither we should attempt to discard the device.
> 
> This commit fixes xfs_mkfs to not attempt to discard the device in the
> case user specified '-N' flag.
> 
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>

Wow.  That's bad.

Reviewed-by: Ben Myers <bpm@sgi.com>

Applied.  Thanks Lukas!

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2013-02-12 15:44 [PATCH v2] xfs_mkfs: Do not discard if '-N' is provided Lukas Czerner
2013-02-14 22:07 ` Ben Myers

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