diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:20:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-12 08:20:47 +0200 |
| commit | 7bf1e44f865523aa16e0eb340a82d643da9215b5 (patch) | |
| tree | 1ddb344169d39413053057d888edbb18dfeed880 /drivers/block | |
| parent | e5770b7bdbfe9f23bb75a7d5a88c1f5e18e20738 (diff) | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
Merge 4.12-rc5 into staging-next
We want the IIO fixes and other staging driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/loop.c | 3 | ||||
| -rw-r--r-- | drivers/block/nbd.c | 15 | ||||
| -rw-r--r-- | drivers/block/rbd.c | 2 |
3 files changed, 10 insertions, 10 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 28d932906f24..ebbd0c3fe0ed 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -608,6 +608,9 @@ static int loop_switch(struct loop_device *lo, struct file *file) */ static int loop_flush(struct loop_device *lo) { + /* loop not yet configured, no running thread, nothing to flush */ + if (lo->lo_state != Lo_bound) + return 0; return loop_switch(lo, NULL); } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9a7bb2c29447..f3f191ba8ca4 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -937,14 +937,6 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) return -ENOSPC; } -/* Reset all properties of an NBD device */ -static void nbd_reset(struct nbd_device *nbd) -{ - nbd->config = NULL; - nbd->tag_set.timeout = 0; - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); -} - static void nbd_bdev_reset(struct block_device *bdev) { if (bdev->bd_openers > 1) @@ -1029,7 +1021,11 @@ static void nbd_config_put(struct nbd_device *nbd) } kfree(config->socks); } - nbd_reset(nbd); + kfree(nbd->config); + nbd->config = NULL; + + nbd->tag_set.timeout = 0; + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); mutex_unlock(&nbd->config_lock); nbd_put(nbd); @@ -1483,7 +1479,6 @@ static int nbd_dev_add(int index) disk->fops = &nbd_fops; disk->private_data = nbd; sprintf(disk->disk_name, "nbd%d", index); - nbd_reset(nbd); add_disk(disk); nbd_total_devices++; return index; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 454bf9c34882..c16f74547804 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4023,6 +4023,7 @@ static void rbd_queue_workfn(struct work_struct *work) switch (req_op(rq)) { case REQ_OP_DISCARD: + case REQ_OP_WRITE_ZEROES: op_type = OBJ_OP_DISCARD; break; case REQ_OP_WRITE: @@ -4420,6 +4421,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) q->limits.discard_granularity = segment_size; q->limits.discard_alignment = segment_size; blk_queue_max_discard_sectors(q, segment_size / SECTOR_SIZE); + blk_queue_max_write_zeroes_sectors(q, segment_size / SECTOR_SIZE); if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC)) q->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; |