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The highlights include:

Browse source 
* a large series of fixes and improvements to the snapshot-handling
    code (Zheng Yan)
 
  * individual read/write OSD requests passed down to libceph are now
    limited to 16M in size to avoid hitting OSD-side limits (Zheng Yan)
 
  * encode MStatfs v2 message to allow for more accurate space usage
    reporting (Douglas Fuller)
 
  * switch to the new writeback error tracking infrastructure (Jeff
    Layton)
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Merge tag 'ceph-for-4.14-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "The highlights include:

   - a large series of fixes and improvements to the snapshot-handling
     code (Zheng Yan)

   - individual read/write OSD requests passed down to libceph are now
     limited to 16M in size to avoid hitting OSD-side limits (Zheng Yan)

   - encode MStatfs v2 message to allow for more accurate space usage
     reporting (Douglas Fuller)

   - switch to the new writeback error tracking infrastructure (Jeff
     Layton)"

* tag 'ceph-for-4.14-rc1' of git://github.com/ceph/ceph-client: (35 commits)
  ceph: stop on-going cached readdir if mds revokes FILE_SHARED cap
  ceph: wait on writeback after writing snapshot data
  ceph: fix capsnap dirty pages accounting
  ceph: ignore wbc->range_{start,end} when write back snapshot data
  ceph: fix "range cyclic" mode writepages
  ceph: cleanup local variables in ceph_writepages_start()
  ceph: optimize pagevec iterating in ceph_writepages_start()
  ceph: make writepage_nounlock() invalidate page that beyonds EOF
  ceph: properly get capsnap's size in get_oldest_context()
  ceph: remove stale check in ceph_invalidatepage()
  ceph: queue cap snap only when snap realm's context changes
  ceph: handle race between vmtruncate and queuing cap snap
  ceph: fix message order check in handle_cap_export()
  ceph: fix NULL pointer dereference in ceph_flush_snaps()
  ceph: adjust 36 checks for NULL pointers
  ceph: delete an unnecessary return statement in update_dentry_lease()
  ceph: ENOMEM pr_err in __get_or_create_frag() is redundant
  ceph: check negative offsets in ceph_llseek()
  ceph: more accurate statfs
  ceph: properly set snap follows for cap reconnect
  ...
This commit is contained in:
Linus Torvalds 2017-09-12 20:03:53 -07:00
commit cdb897e327
20 changed files with 421 additions and 352 deletions
Download patch file Download diff file Expand all files Collapse all files

6
net/ceph/mon_client.c
View file

@ -676,7 +676,8 @@ bad:
/*
* Do a synchronous statfs().
*/
int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
int ceph_monc_do_statfs(struct ceph_mon_client *monc, u64 data_pool,
struct ceph_statfs *buf)
{
struct ceph_mon_generic_request *req;
struct ceph_mon_statfs *h;
@ -696,6 +697,7 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
goto out;
req->u.st = buf;
req->request->hdr.version = cpu_to_le16(2);
mutex_lock(&monc->mutex);
register_generic_request(req);
@ -705,6 +707,8 @@ int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
h->monhdr.session_mon = cpu_to_le16(-1);
h->monhdr.session_mon_tid = 0;
h->fsid = monc->monmap->fsid;
h->contains_data_pool = (data_pool != CEPH_NOPOOL);
h->data_pool = cpu_to_le64(data_pool);
send_generic_request(monc, req);
mutex_unlock(&monc->mutex);

5
net/ceph/osd_client.c
View file

@ -863,8 +863,6 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst,
dst->cls.method_len = src->cls.method_len;
dst->cls.indata_len = cpu_to_le32(src->cls.indata_len);
break;
case CEPH_OSD_OP_STARTSYNC:
break;
case CEPH_OSD_OP_WATCH:
dst->watch.cookie = cpu_to_le64(src->watch.cookie);
dst->watch.ver = cpu_to_le64(0);
@ -916,9 +914,6 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst,
* if the file was recently truncated, we include information about its
* old and new size so that the object can be updated appropriately. (we
* avoid synchronously deleting truncated objects because it's slow.)
*
* if @do_sync, include a 'startsync' command so that the osd will flush
* data quickly.
*/
struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
struct ceph_file_layout *layout,