On 5/24/25 08:13, Yu Kuai wrote:
From: Yu Kuai <yukuai3@xxxxxxxxxx> Currently, raid456 must perform a whole array initial recovery to build initail xor data, then IO to the array won't have to read all the blocks in underlying disks. This behavior will affect IO performance a lot, and nowadays there are huge disks and the initial recovery can take a long time. Hence llbitmap will support lazy initial recovery in following patches. This method is used to check if data blocks is synced or not, if not then IO will still have to read all blocks for raid456. Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- drivers/md/md-bitmap.h | 1 + drivers/md/raid5.c | 6 ++++++ 2 files changed, 7 insertions(+)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich
