staging/lustre: remove linux/lustre_common.h

Expand the two uses of ll_inode_blksize() and remove the then
unnecessary header lustre/include/linux/lustre_common.h.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-on: http://review.whamcloud.com/11495Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/linux/lustre_common.h

-#ifndef LUSTRE_COMMON_H
-#define LUSTRE_COMMON_H
-
-#include <linux/sched.h>
-
-static inline int cfs_cleanup_group_info(void)
-{
-	struct group_info *ginfo;
-
-	ginfo = groups_alloc(0);
-	if (!ginfo)
-		return -ENOMEM;
-
-	set_current_groups(ginfo);
-	put_group_info(ginfo);
-
-	return 0;
-}
-
-#define ll_inode_blksize(a)		(1<<(a)->i_blkbits)
-
-#endif

drivers/staging/lustre/lustre/include/linux/lustre_lite.h

@@ -52,7 +52,6 @@
 
 #include <linux/rbtree.h>
 #include "../../include/linux/lustre_compat25.h"
-#include "../../include/linux/lustre_common.h"
 #include <linux/pagemap.h>
 
 /* lprocfs.c */

drivers/staging/lustre/lustre/include/linux/lvfs.h

@@ -46,7 +46,6 @@
 #endif
 
 #include "lustre_compat25.h"
-#include "lustre_common.h"
 #include "lvfs_linux.h"
 
 #define LLOG_LVFS

drivers/staging/lustre/lustre/llite/file.c

@@ -991,7 +991,7 @@ int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
 		CDEBUG(D_INODE, "objid "DOSTID" size %llu, blocks %llu,"
 		       " blksize %lu\n", POSTID(oi), i_size_read(inode),
 		       (unsigned long long)inode->i_blocks,
-		       (unsigned long)ll_inode_blksize(inode));
+		       1UL << inode->i_blkbits);
 	}
 	ccc_inode_lsm_put(inode, lsm);
 	return rc;

drivers/staging/lustre/lustre/obdclass/obdo.c

@@ -86,7 +86,7 @@ void obdo_from_inode(struct obdo *dst, struct inode *src, u32 valid)
 		newvalid |= OBD_MD_FLBLOCKS;
 	}
 	if (valid & OBD_MD_FLBLKSZ) {   /* optimal block size */
-		dst->o_blksize = ll_inode_blksize(src);
+		dst->o_blksize = 1 << src->i_blkbits;
 		newvalid |= OBD_MD_FLBLKSZ;
 	}
 	if (valid & OBD_MD_FLTYPE) {