diff options
Diffstat (limited to 'drivers/md/md-bitmap.c')
| -rw-r--r-- | drivers/md/md-bitmap.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 35943f5f6834..2a9584078292 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -2064,18 +2064,23 @@ static void bitmap_end_behind_write(struct mddev *mddev) bitmap->mddev->bitmap_info.max_write_behind); } -static void bitmap_wait_behind_writes(struct mddev *mddev) +static bool bitmap_wait_behind_writes(struct mddev *mddev, bool nowait) { struct bitmap *bitmap = mddev->bitmap; /* wait for behind writes to complete */ if (bitmap && atomic_read(&bitmap->behind_writes) > 0) { + if (nowait) + return false; + pr_debug("md:%s: behind writes in progress - waiting to stop.\n", mdname(mddev)); /* need to kick something here to make sure I/O goes? */ wait_event(bitmap->behind_wait, atomic_read(&bitmap->behind_writes) == 0); } + + return true; } static void bitmap_destroy(struct mddev *mddev) @@ -2085,8 +2090,8 @@ static void bitmap_destroy(struct mddev *mddev) if (!bitmap) /* there was no bitmap */ return; - bitmap_wait_behind_writes(mddev); - if (!mddev->serialize_policy) + bitmap_wait_behind_writes(mddev, false); + if (!test_bit(MD_SERIALIZE_POLICY, &mddev->flags)) mddev_destroy_serial_pool(mddev, NULL); mutex_lock(&mddev->bitmap_info.mutex); @@ -2864,7 +2869,7 @@ backlog_store(struct mddev *mddev, const char *buf, size_t len) mddev->bitmap_info.max_write_behind = backlog; if (!backlog && mddev->serial_info_pool) { /* serial_info_pool is not needed if backlog is zero */ - if (!mddev->serialize_policy) + if (!test_bit(MD_SERIALIZE_POLICY, &mddev->flags)) mddev_destroy_serial_pool(mddev, NULL); } else if (backlog && !mddev->serial_info_pool) { /* serial_info_pool is needed since backlog is not zero */ |