diff mbox

common/dmthin: Fix grep command for finding exact value

Message ID 1489639730-15004-1-git-send-email-harish@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Harish March 16, 2017, 4:48 a.m. UTC
Sometimes there are multiple occurences of pool_name and data_name in
dmsetup command which causes failures while adding in next line.
This patch greps for pool_name at start of line.

Signed-off-by: Harish <harish@linux.vnet.ibm.com>
---
 common/dmthin | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Eryu Guan March 16, 2017, 7:24 a.m. UTC | #1
On Thu, Mar 16, 2017 at 10:18:50AM +0530, Harish wrote:
> Sometimes there are multiple occurences of pool_name and data_name in
> dmsetup command which causes failures while adding in next line.
> This patch greps for pool_name at start of line.
> 
> Signed-off-by: Harish <harish@linux.vnet.ibm.com>
> ---
>  common/dmthin | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/common/dmthin b/common/dmthin
> index e774175..fe48eef 100644
> --- a/common/dmthin
> +++ b/common/dmthin
> @@ -180,8 +180,8 @@ _dmthin_grow()
>  	# Get current sizes & values
>  	local   meta_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_META_NAME | awk '{print $3}'`
>  	local meta_dev_offset=`$DMSETUP_PROG table | grep $DMTHIN_META_NAME | awk '{print $6}'`
> -	local   data_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_DATA_NAME | awk '{print $3}'`
> -	local   pool_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $3}'`
> +	local   data_dev_size=`$DMSETUP_PROG table | grep ^$DMTHIN_DATA_NAME | awk '{print $3}'`
> +	local   pool_dev_size=`$DMSETUP_PROG table | grep ^$DMTHIN_POOL_NAME | awk '{print $3}'`

Do we need to do the same to all other $DMTHIN_.*_NAME, not only
DMTHIN_DATA_NAME and DMTHIN_POOL_NAME?

Thanks,
Eryu
>  	local    cluster_size=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $7}'`
>  	local       low_water=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $8}'`
>  
> -- 
> 2.7.4
> 
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Eryu Guan March 16, 2017, 10:23 a.m. UTC | #2
On Thu, Mar 16, 2017 at 03:45:14PM +0530, Harish wrote:
> On 03/16/2017 12:54 PM, Eryu Guan wrote:
> 
>     On Thu, Mar 16, 2017 at 10:18:50AM +0530, Harish wrote:
> 
>         Sometimes there are multiple occurences of pool_name and data_name in
>         dmsetup command which causes failures while adding in next line.
>         This patch greps for pool_name at start of line.
> 
>         Signed-off-by: Harish <harish@linux.vnet.ibm.com>
>         ---
>          common/dmthin | 4 ++--
>          1 file changed, 2 insertions(+), 2 deletions(-)
> 
>         diff --git a/common/dmthin b/common/dmthin
>         index e774175..fe48eef 100644
>         --- a/common/dmthin
>         +++ b/common/dmthin
>         @@ -180,8 +180,8 @@ _dmthin_grow()
>                 # Get current sizes & values
>                 local   meta_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_META_NAME | awk '{print $3}'`
>                 local meta_dev_offset=`$DMSETUP_PROG table | grep $DMTHIN_META_NAME | awk '{print $6}'`
>         -       local   data_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_DATA_NAME | awk '{print $3}'`
>         -       local   pool_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $3}'`
>         +       local   data_dev_size=`$DMSETUP_PROG table | grep ^$DMTHIN_DATA_NAME | awk '{print $3}'`
>         +       local   pool_dev_size=`$DMSETUP_PROG table | grep ^$DMTHIN_POOL_NAME | awk '{print $3}'`
> 
>     Do we need to do the same to all other $DMTHIN_.*_NAME, not only
>     DMTHIN_DATA_NAME and DMTHIN_POOL_NAME?
> 
> Just added the cases which failed. we may get the issue with others as well.
> Can i resend adding for others?

That'd be great, thanks!

Eryu
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diff mbox

Patch

diff --git a/common/dmthin b/common/dmthin
index e774175..fe48eef 100644
--- a/common/dmthin
+++ b/common/dmthin
@@ -180,8 +180,8 @@  _dmthin_grow()
 	# Get current sizes & values
 	local   meta_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_META_NAME | awk '{print $3}'`
 	local meta_dev_offset=`$DMSETUP_PROG table | grep $DMTHIN_META_NAME | awk '{print $6}'`
-	local   data_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_DATA_NAME | awk '{print $3}'`
-	local   pool_dev_size=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $3}'`
+	local   data_dev_size=`$DMSETUP_PROG table | grep ^$DMTHIN_DATA_NAME | awk '{print $3}'`
+	local   pool_dev_size=`$DMSETUP_PROG table | grep ^$DMTHIN_POOL_NAME | awk '{print $3}'`
 	local    cluster_size=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $7}'`
 	local       low_water=`$DMSETUP_PROG table | grep $DMTHIN_POOL_NAME | awk '{print $8}'`