ext2: remove ext2_use_xip

Replace ext2_use_xip() with test_opt(XIP) which expands to the same code

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Boaz Harrosh <boaz@plexistor.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index c268d0a..846c356 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -105,7 +105,7 @@
 		return PTR_ERR(inode);
 
 	inode->i_op = &ext2_file_inode_operations;
-	if (ext2_use_xip(inode->i_sb)) {
+	if (test_opt(inode->i_sb, XIP)) {
 		inode->i_mapping->a_ops = &ext2_aops_xip;
 		inode->i_fop = &ext2_xip_file_operations;
 	} else if (test_opt(inode->i_sb, NOBH)) {
@@ -126,7 +126,7 @@
 		return PTR_ERR(inode);
 
 	inode->i_op = &ext2_file_inode_operations;
-	if (ext2_use_xip(inode->i_sb)) {
+	if (test_opt(inode->i_sb, XIP)) {
 		inode->i_mapping->a_ops = &ext2_aops_xip;
 		inode->i_fop = &ext2_xip_file_operations;
 	} else if (test_opt(inode->i_sb, NOBH)) {