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?).
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/
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