linux-kernel - RE: [PATCH v2 2/2] Tools: hv: vssdaemon: skip all filesystems mounted readonly

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Message-ID: <BN1PR0301MB0707B091F2A7185F3E7E616DA0890@BN1PR0301MB0707.namprd03.prod.outlook.com>
Date:	Wed, 19 Nov 2014 23:01:30 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dexuan Cui <decui@...rosoft.com>
Subject: RE: [PATCH v2 2/2] Tools: hv: vssdaemon: skip all filesystems mounted
 readonly



> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuznets@...hat.com]
> Sent: Monday, November 10, 2014 8:37 AM
> To: KY Srinivasan; Haiyang Zhang; Greg Kroah-Hartman
> Cc: devel@...uxdriverproject.org; linux-kernel@...r.kernel.org; Dexuan Cui
> Subject: [PATCH v2 2/2] Tools: hv: vssdaemon: skip all filesystems mounted
> readonly
> 
> Instead of making a list of exceptions for readonly filesystems in addition to
> iso9660 we already have it is better to skip freeze operation for all readonly-
> mounted filesystems.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>

> ---
>  tools/hv/hv_vss_daemon.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c index
> ee44f0d..5e63f70 100644
> --- a/tools/hv/hv_vss_daemon.c
> +++ b/tools/hv/hv_vss_daemon.c
> @@ -102,7 +102,7 @@ static int vss_operate(int operation)
>  	while ((ent = getmntent(mounts))) {
>  		if (strncmp(ent->mnt_fsname, match, strlen(match)))
>  			continue;
> -		if (strcmp(ent->mnt_type, "iso9660") == 0)
> +		if (hasmntopt(ent, MNTOPT_RO) != NULL)
>  			continue;
>  		if (strcmp(ent->mnt_type, "vfat") == 0)
>  			continue;
> --
> 1.9.3

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