mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 18:14:07 +08:00
md/raid5: suspend shouldn't affect read requests.
md allows write to regions on an array to be suspended temporarily. This allows user-space to participate is aspects of reshape. In particular, data can be copied with not risk of a race. We should not be blocking read requests though, so don't. Cc: stable@kernel.org Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
parent
0909dc448c
commit
a5c308d4d1
@ -3702,7 +3702,8 @@ static int make_request(struct request_queue *q, struct bio * bi)
|
||||
/* FIXME what if we get a false positive because these
|
||||
* are being updated.
|
||||
*/
|
||||
if (logical_sector >= mddev->suspend_lo &&
|
||||
if (bio_data_dir(bi) == WRITE &&
|
||||
logical_sector >= mddev->suspend_lo &&
|
||||
logical_sector < mddev->suspend_hi) {
|
||||
release_stripe(sh);
|
||||
schedule();
|
||||
|
Loading…
Reference in New Issue
Block a user