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[PATCH] md: write intent bitmap support for raid10

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Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown
2006-01-06 00:20:16 -08:00
committed by Linus Torvalds
parent b15c2e57f0
commit 6cce3b23f6
3 changed files with 171 additions and 26 deletions
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10
drivers/md/md.c
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@@ -714,9 +714,10 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
if (sb->state & (1<<MD_SB_BITMAP_PRESENT) &&
mddev->bitmap_file == NULL) {
if (mddev->level != 1 && mddev->level != 5 && mddev->level != 6) {
if (mddev->level != 1 && mddev->level != 5 && mddev->level != 6
&& mddev->level != 10) {
/* FIXME use a better test */
printk(KERN_WARNING "md: bitmaps only support for raid1\n");
printk(KERN_WARNING "md: bitmaps not supported for this level.\n");
return -EINVAL;
}
mddev->bitmap_offset = mddev->default_bitmap_offset;
@@ -1037,8 +1038,9 @@ static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_BITMAP_OFFSET) &&
mddev->bitmap_file == NULL ) {
if (mddev->level != 1) {
printk(KERN_WARNING "md: bitmaps only supported for raid1\n");
if (mddev->level != 1 && mddev->level != 5 && mddev->level != 6
&& mddev->level != 10) {
printk(KERN_WARNING "md: bitmaps not supported for this level.\n");
return -EINVAL;
}
mddev->bitmap_offset = (__s32)le32_to_cpu(sb->bitmap_offset);