From: Hannes Reinecke <hare@suse.de>
To: dm-devel@redhat.com
Subject: Re: [PATCH 16/18] Increase host buffer size
Date: Mon, 12 Oct 2015 09:10:31 +0200 [thread overview]
Message-ID: <561B5CE7.4050307@suse.de> (raw)
In-Reply-To: <1444333491-16265-17-git-send-email-bmarzins@redhat.com>
On 10/08/2015 09:44 PM, Benjamin Marzinski wrote:
> Currently the host buffer only has space for 7 characters, this means
> on systems with many scsi hosts (1000 or more), multipath will overflow
> this buffer. This can happen pretty easily if there are a large number
> of iscsi devices. This patch increases the host buffer to hold 15
> characters, which can deal with 100000000000000 scsi hosts.
>
> Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
> ---
> libmultipath/structs.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libmultipath/structs.h b/libmultipath/structs.h
> index 85a8fdc..99b6aae 100644
> --- a/libmultipath/structs.h
> +++ b/libmultipath/structs.h
> @@ -15,7 +15,7 @@
> #define BLK_DEV_SIZE 33
> #define PATH_SIZE 512
> #define NAME_SIZE 512
> -#define HOST_NAME_LEN 8
> +#define HOST_NAME_LEN 16
> #define SLOT_NAME_SIZE 40
>
> #define SCSI_VENDOR_SIZE 9
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
next prev parent reply other threads:[~2015-10-12 7:10 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-08 19:44 [PATCH 00/18] multipath patch sync Benjamin Marzinski
2015-10-08 19:44 ` [PATCH 01/18] libmultipath: Add prioritizer context data Benjamin Marzinski
2015-10-12 6:35 ` Hannes Reinecke
2015-10-21 22:16 ` Benjamin Marzinski
2015-10-22 5:47 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 02/18] fix memory leaks on realloc failures Benjamin Marzinski
2015-10-12 6:35 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 03/18] multipathd: use /run instead of /var/run Benjamin Marzinski
2015-10-12 6:37 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 04/18] retrigger uevents to try and get the uid through udev Benjamin Marzinski
2015-10-12 6:40 ` Hannes Reinecke
2015-10-21 22:20 ` Benjamin Marzinski
2015-10-08 19:44 ` [PATCH 05/18] update multipath rules to deal with partition devices Benjamin Marzinski
2015-10-12 6:42 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 06/18] change order of multipath.rules Benjamin Marzinski
2015-10-12 6:43 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 07/18] make kpartx -d remove all partitions Benjamin Marzinski
2015-10-12 6:46 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 08/18] Fix issues with user_friendly_names initramfs bindings Benjamin Marzinski
2015-10-15 8:52 ` Hannes Reinecke
2015-10-21 22:43 ` Benjamin Marzinski
2015-10-08 19:44 ` [PATCH 09/18] Make multipath deactivate devices before iscsi shutdown Benjamin Marzinski
2015-10-12 7:05 ` Hannes Reinecke
2015-10-21 22:29 ` Benjamin Marzinski
2015-10-08 19:44 ` [PATCH 10/18] resize reply buffer for mutipathd help message Benjamin Marzinski
2015-10-12 7:05 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 11/18] Add libmpathcmd library and use it internally Benjamin Marzinski
2015-10-12 7:06 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 12/18] add raw format multipathd commands Benjamin Marzinski
2015-10-12 7:06 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 13/18] libmultipath: add ignore_new_boot_devs option Benjamin Marzinski
2015-10-12 7:08 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 14/18] Make use of /run depend on systemd Benjamin Marzinski
2015-10-12 7:09 ` Hannes Reinecke
2015-10-12 7:34 ` Zdenek Kabelac
2015-10-12 8:35 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 15/18] libmpathpersist: uninstall man page correctly Benjamin Marzinski
2015-10-12 7:09 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 16/18] Increase host buffer size Benjamin Marzinski
2015-10-12 7:10 ` Hannes Reinecke [this message]
2015-10-08 19:44 ` [PATCH 17/18] Fix sun partition numbering Benjamin Marzinski
2015-10-12 7:11 ` Hannes Reinecke
2015-10-08 19:44 ` [PATCH 18/18] Make multipath ignore devices without mpath prefix Benjamin Marzinski
2015-10-12 7:12 ` Hannes Reinecke
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