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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

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Pull Ceph updates from Sage Weil:
 "This time around we have a collection of CephFS fixes from Zheng
  around MDS failure handling and snapshots, support for a new CRUSH
  straw2 algorithm (to sync up with userspace) and several RBD cleanups
  and fixes from Ilya, an error path leak fix from Taesoo, and then an
  assorted collection of cleanups from others"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (28 commits)
  rbd: rbd_wq comment is obsolete
  libceph: announce support for straw2 buckets
  crush: straw2 bucket type with an efficient 64-bit crush_ln()
  crush: ensuring at most num-rep osds are selected
  crush: drop unnecessary include from mapper.c
  ceph: fix uninline data function
  ceph: rename snapshot support
  ceph: fix null pointer dereference in send_mds_reconnect()
  ceph: hold on to exclusive caps on complete directories
  libceph: simplify our debugfs attr macro
  ceph: show non-default options only
  libceph: expose client options through debugfs
  libceph, ceph: split ceph_show_options()
  rbd: mark block queue as non-rotational
  libceph: don't overwrite specific con error msgs
  ceph: cleanup unsafe requests when reconnecting is denied
  ceph: don't zero i_wrbuffer_ref when reconnecting is denied
  ceph: don't mark dirty caps when there is no auth cap
  ceph: keep i_snap_realm while there are writers
  libceph: osdmap.h: Add missing format newlines
  ...
This commit is contained in:
Linus Torvalds 2015-04-22 11:30:10 -07:00
commit 1204c46445
22 changed files with 633 additions and 128 deletions
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26
drivers/block/rbd.c
View file

@ -3762,8 +3762,8 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
goto out_tag_set;
}
/* We use the default size, but let's be explicit about it. */
blk_queue_physical_block_size(q, SECTOR_SIZE);
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);
/* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */
/* set io sizes to object size */
segment_size = rbd_obj_bytes(&rbd_dev->header);
@ -5301,8 +5301,13 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
if (mapping) {
ret = rbd_dev_header_watch_sync(rbd_dev);
if (ret)
if (ret) {
if (ret == -ENOENT)
pr_info("image %s/%s does not exist\n",
rbd_dev->spec->pool_name,
rbd_dev->spec->image_name);
goto out_header_name;
}
}
ret = rbd_dev_header_info(rbd_dev);
@ -5319,8 +5324,14 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
ret = rbd_spec_fill_snap_id(rbd_dev);
else
ret = rbd_spec_fill_names(rbd_dev);
if (ret)
if (ret) {
if (ret == -ENOENT)
pr_info("snap %s/%s@%s does not exist\n",
rbd_dev->spec->pool_name,
rbd_dev->spec->image_name,
rbd_dev->spec->snap_name);
goto err_out_probe;
}
if (rbd_dev->header.features & RBD_FEATURE_LAYERING) {
ret = rbd_dev_v2_parent_info(rbd_dev);
@ -5390,8 +5401,11 @@ static ssize_t do_rbd_add(struct bus_type *bus,
/* pick the pool */
rc = rbd_add_get_pool_id(rbdc, spec->pool_name);
if (rc < 0)
if (rc < 0) {
if (rc == -ENOENT)
pr_info("pool %s does not exist\n", spec->pool_name);
goto err_out_client;
}
spec->pool_id = (u64)rc;
/* The ceph file layout needs to fit pool id in 32 bits */
@ -5673,7 +5687,7 @@ static int __init rbd_init(void)
/*
* The number of active work items is limited by the number of
* rbd devices, so leave @max_active at default.
* rbd devices * queue depth, so leave @max_active at default.
*/
rbd_wq = alloc_workqueue(RBD_DRV_NAME, WQ_MEM_RECLAIM, 0);
if (!rbd_wq) {