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The highlights are:

Browse source 
* RADOS namespace support in libceph and CephFS (Zheng Yan and myself).
    The stopgaps added in 4.5 to deny access to inodes in namespaces are
    removed and CEPH_FEATURE_FS_FILE_LAYOUT_V2 feature bit is now fully
    supported.
 
  * A large rework of the MDS cap flushing code (Zheng Yan).
 
  * Handle some of ->d_revalidate() in RCU mode (Jeff Layton).  We were
    overly pessimistic before, bailing at the first sight of LOOKUP_RCU.
 
 On top of that we've got a few CephFS bug fixes, a couple of cleanups
 and Arnd's workaround for a weird genksyms issue.
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Merge tag 'ceph-for-4.8-rc1' of git://github.com/ceph/ceph-client

Pull Ceph updates from Ilya Dryomov:
 "The highlights are:

   - RADOS namespace support in libceph and CephFS (Zheng Yan and
     myself).  The stopgaps added in 4.5 to deny access to inodes in
     namespaces are removed and CEPH_FEATURE_FS_FILE_LAYOUT_V2 feature
     bit is now fully supported

   - A large rework of the MDS cap flushing code (Zheng Yan)

   - Handle some of ->d_revalidate() in RCU mode (Jeff Layton).  We were
     overly pessimistic before, bailing at the first sight of LOOKUP_RCU

  On top of that we've got a few CephFS bug fixes, a couple of cleanups
  and Arnd's workaround for a weird genksyms issue"

* tag 'ceph-for-4.8-rc1' of git://github.com/ceph/ceph-client: (34 commits)
  ceph: fix symbol versioning for ceph_monc_do_statfs
  ceph: Correctly return NXIO errors from ceph_llseek
  ceph: Mark the file cache as unreclaimable
  ceph: optimize cap flush waiting
  ceph: cleanup ceph_flush_snaps()
  ceph: kick cap flushes before sending other cap message
  ceph: introduce an inode flag to indicates if snapflush is needed
  ceph: avoid sending duplicated cap flush message
  ceph: unify cap flush and snapcap flush
  ceph: use list instead of rbtree to track cap flushes
  ceph: update types of some local varibles
  ceph: include 'follows' of pending snapflush in cap reconnect message
  ceph: update cap reconnect message to version 3
  ceph: mount non-default filesystem by name
  libceph: fsmap.user subscription support
  ceph: handle LOOKUP_RCU in ceph_d_revalidate
  ceph: allow dentry_lease_is_valid to work under RCU walk
  ceph: clear d_fsinfo pointer under d_lock
  ceph: remove ceph_mdsc_lease_release
  ceph: don't use ->d_time
  ...
This commit is contained in:
Linus Torvalds 2016-08-02 19:39:09 -04:00
commit 72b5ac54d6
31 changed files with 1412 additions and 823 deletions
Download patch file Download diff file Expand all files Collapse all files

15
drivers/block/rbd.c
View file

@ -1937,7 +1937,7 @@ static struct ceph_osd_request *rbd_osd_req_create(
osd_req->r_callback = rbd_osd_req_callback;
osd_req->r_priv = obj_request;
osd_req->r_base_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout);
osd_req->r_base_oloc.pool = rbd_dev->layout.pool_id;
if (ceph_oid_aprintf(&osd_req->r_base_oid, GFP_NOIO, "%s",
obj_request->object_name))
goto fail;
@ -1991,7 +1991,7 @@ rbd_osd_req_create_copyup(struct rbd_obj_request *obj_request)
osd_req->r_callback = rbd_osd_req_callback;
osd_req->r_priv = obj_request;
osd_req->r_base_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout);
osd_req->r_base_oloc.pool = rbd_dev->layout.pool_id;
if (ceph_oid_aprintf(&osd_req->r_base_oid, GFP_NOIO, "%s",
obj_request->object_name))
goto fail;
@ -3995,10 +3995,11 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,
/* Initialize the layout used for all rbd requests */
rbd_dev->layout.fl_stripe_unit = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER);
rbd_dev->layout.fl_stripe_count = cpu_to_le32(1);
rbd_dev->layout.fl_object_size = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER);
rbd_dev->layout.fl_pg_pool = cpu_to_le32((u32) spec->pool_id);
rbd_dev->layout.stripe_unit = 1 << RBD_MAX_OBJ_ORDER;
rbd_dev->layout.stripe_count = 1;
rbd_dev->layout.object_size = 1 << RBD_MAX_OBJ_ORDER;
rbd_dev->layout.pool_id = spec->pool_id;
RCU_INIT_POINTER(rbd_dev->layout.pool_ns, NULL);
/*
* If this is a mapping rbd_dev (as opposed to a parent one),
@ -5187,7 +5188,7 @@ static int rbd_dev_header_name(struct rbd_device *rbd_dev)
rbd_assert(rbd_image_format_valid(rbd_dev->image_format));
rbd_dev->header_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout);
rbd_dev->header_oloc.pool = rbd_dev->layout.pool_id;
if (rbd_dev->image_format == 1)
ret = ceph_oid_aprintf(&rbd_dev->header_oid, GFP_KERNEL, "%s%s",
spec->image_name, RBD_SUFFIX);