diff options
| author | NeilBrown <neilb@suse.de> | 2005-11-08 21:39:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 07:56:38 -0800 |
| commit | bd926c63b7a6843d3ce2728396c0891e54fce5c4 (patch) | |
| tree | 38f7083a733e9b31efe69616c5fa3448c74c1320 /include/linux/raid/md.h | |
| parent | b2d444d7ad975d555bb919601bcdc0e58975a40e (diff) | |
| download | lwn-bd926c63b7a6843d3ce2728396c0891e54fce5c4.tar.gz lwn-bd926c63b7a6843d3ce2728396c0891e54fce5c4.zip | |
[PATCH] md: make md on-disk bitmaps not host-endian
Current bitmaps use set_bit et.al and so are host-endian, which means
not-portable. Oops.
Define a new version number (4) for which bitmaps are little-endian.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/raid/md.h')
| -rw-r--r-- | include/linux/raid/md.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h index ffa316ce4dc8..91467a3c4a52 100644 --- a/include/linux/raid/md.h +++ b/include/linux/raid/md.h @@ -66,8 +66,10 @@ * and major_version/minor_version accordingly * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT * in the super status byte + * >=3 means that bitmap superblock version 4 is supported, which uses + * little-ending representation rather than host-endian */ -#define MD_PATCHLEVEL_VERSION 2 +#define MD_PATCHLEVEL_VERSION 3 extern int register_md_personality (int p_num, mdk_personality_t *p); extern int unregister_md_personality (int p_num); |