staging/lustre/libcfs: remove filp_size/filp_poff

Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/libcfs/linux/linux-fs.h

@@ -52,11 +52,6 @@
 #include <linux/backing-dev.h>
 #include <linux/posix_acl_xattr.h>
 
-#define filp_size(f)					\
-	(i_size_read((f)->f_dentry->d_inode))
-#define filp_poff(f)					\
-	(&(f)->f_pos)
-
 # define do_fsync(fp, flag)				\
 	((fp)->f_op->fsync(fp, 0, LLONG_MAX, flag))
 

drivers/staging/lustre/lustre/libcfs/tracefile.c

@@ -709,7 +709,7 @@ int cfs_tracefile_dump_all_pages(char *filename)
 		__LASSERT_TAGE_INVARIANT(tage);
 
 		rc = filp_write(filp, page_address(tage->page),
-				tage->used, filp_poff(filp));
+				tage->used, &filp->f_pos);
 		if (rc != (int)tage->used) {
 			printk(KERN_WARNING "wanted to write %u but wrote "
 			       "%d\n", tage->used, rc);
@@ -1020,8 +1020,8 @@ static int tracefiled(void *arg)
 
 			if (f_pos >= (off_t)cfs_tracefile_size)
 				f_pos = 0;
-			else if (f_pos > (off_t)filp_size(filp))
-				f_pos = filp_size(filp);
+			else if (f_pos > i_size_read(filp->f_dentry->d_inode))
+				f_pos = i_size_read(filp->f_dentry->d_inode);
 
 			rc = filp_write(filp, page_address(tage->page),
 					tage->used, &f_pos);