mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-17 17:53:56 +08:00
6d79125bba
These are the ext2 related parts. Ext2 now uses the xip_* file operations along with the get_xip_page aop when mounted with -o xip. Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
26 lines
738 B
C
26 lines
738 B
C
/*
|
|
* linux/fs/ext2/xip.h
|
|
*
|
|
* Copyright (C) 2005 IBM Corporation
|
|
* Author: Carsten Otte (cotte@de.ibm.com)
|
|
*/
|
|
|
|
#ifdef CONFIG_EXT2_FS_XIP
|
|
extern void ext2_xip_verify_sb (struct super_block *);
|
|
extern int ext2_clear_xip_target (struct inode *, int);
|
|
|
|
static inline int ext2_use_xip (struct super_block *sb)
|
|
{
|
|
struct ext2_sb_info *sbi = EXT2_SB(sb);
|
|
return (sbi->s_mount_opt & EXT2_MOUNT_XIP);
|
|
}
|
|
struct page* ext2_get_xip_page (struct address_space *, sector_t, int);
|
|
#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_page)
|
|
#else
|
|
#define mapping_is_xip(map) 0
|
|
#define ext2_xip_verify_sb(sb) do { } while (0)
|
|
#define ext2_use_xip(sb) 0
|
|
#define ext2_clear_xip_target(inode, chain) 0
|
|
#define ext2_get_xip_page NULL
|
|
#endif
|