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A small fix for rbd FALLOC_FL_ZERO_RANGE/PUNCH_HOLE handling breakage

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introduced in -rc1.
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Merge tag 'ceph-for-4.12-rc4' of git://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "A small fix for rbd FALLOC_FL_ZERO_RANGE/PUNCH_HOLE handling breakage
  introduced in -rc1"

* tag 'ceph-for-4.12-rc4' of git://github.com/ceph/ceph-client:
  rbd: implement REQ_OP_WRITE_ZEROES
This commit is contained in:
Linus Torvalds 2017-06-02 12:03:07 -07:00
commit 65d03328aa
1 changed files with 2 additions and 0 deletions
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2
drivers/block/rbd.c
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@ -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;