On 06/24/2010 12:02 AM, Scott Lovenberg wrote:
> On 6/22/2010 11:25 AM, Suresh Jayaraman wrote:
>> Add a mount option 'fsc' to enable local caching on CIFS.
>>
>> As the cifs-utils (userspace) changes are not done yet, this patch
>> enables
>> 'fsc' by default to assist testing.
>>
> [...]
>> @@ -1332,6 +1336,8 @@ cifs_parse_mount_options(char *options, const
>> char *devname,
>> printk(KERN_WARNING "CIFS: Mount option noac not "
>> "supported. Instead set "
>> "/proc/fs/cifs/LookupCacheEnabled to 0\n");
>> + } else if (strnicmp(data, "fsc", 3) == 0) {
>> + vol->fsc = true;
>> } else
>> printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
>> data);
>> @@ -2405,6 +2411,8 @@ static void setup_cifs_sb(struct smb_vol
>> *pvolume_info,
>> cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;
>> if (pvolume_info->dynperm)
>> cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;
>> + if (pvolume_info->fsc)
>> + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_FSCACHE;
>> if (pvolume_info->direct_io) {
>> cFYI(1, "mounting share using direct i/o");
>> cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
>>
> I reworked the CIFS mount option parsing a while back; I'm not sure
> whether that patch was going to be in the 2.6.35 tree or not (the window
> just opened, didn't it?).
Not a problem, I could redo this patch alone when the reworked option
parsing patches get in.
> Jeff, Steve, can you confirm if that patch is going to be in 2.6.35?
>
> Patch refs: http://patchwork.ozlabs.org/patch/53059/ and
> http://patchwork.ozlabs.org/patch/53674/
>
Thanks,
--
Suresh Jayaraman
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