[PATCH] md: write intent bitmap support for raid10

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index ee199d462520..64e7da3701a5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -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);