[CIFS] Explicitly set stat->blksize

CIFS may perform I/O over the network in larger chunks than the page size,
so it should explicitly set stat->blksize to ensure optimal I/O bandwidth

Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index dffe295..1ad8c9f 100644 (file)
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1089,8 +1089,10 @@ int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
        struct kstat *stat)
 {
        int err = cifs_revalidate(dentry);
-       if (!err)
+       if (!err) {
                generic_fillattr(dentry->d_inode, stat);
+               stat->blksize = CIFS_MAX_MSGSIZE;
+       }
        return err;
 }