On Thu, 2020-03-05 at 20:20 +0800, Yan, Zheng wrote:
> This series make cephfs client not request caps for open files that
> idle for a long time. For the case that one active client and multiple
> standby clients open the same file, this increase the possibility that
> mds issues exclusive caps to the active client.
>
> Yan, Zheng (7):
> ceph: always renew caps if mds_wanted is insufficient
> ceph: consider inode's last read/write when calculating wanted caps
> ceph: remove delay check logic from ceph_check_caps()
> ceph: simplify calling of ceph_get_fmode()
> ceph: update i_requested_max_size only when sending cap msg to auth mds
> ceph: check all mds' caps after page writeback
> ceph: calculate dir's wanted caps according to recent dirops
>
> fs/ceph/caps.c | 360 ++++++++++++++++-------------------
> fs/ceph/dir.c | 21 +-
> fs/ceph/file.c | 45 ++---
> fs/ceph/inode.c | 21 +-
> fs/ceph/ioctl.c | 2 +
> fs/ceph/mds_client.c | 16 +-
> fs/ceph/super.h | 37 ++--
> include/linux/ceph/ceph_fs.h | 1 +
> 8 files changed, 243 insertions(+), 260 deletions(-)
>
> changes since v2
> - make __ceph_caps_file_wanted() more readable
> - add patch 5 and 6, which fix hung write during testing patch 1~4
>
> changes since v3
> - don't queue delayed cap check for snap inode
> - initialize ci->{last_rd,last_wr} to jiffies - 3600 * HZ
> - make __ceph_caps_file_wanted() check inode type
>
> changes since v4
> - add patch 7, improve how to calculate dir's wanted caps
>
Thanks Zheng. This one seems to work just fine. Merged into ceph-
client/testing branch with the following changes:
- squashed patch 7 into patch 2
- cleaned up a few changelog grammatical and spelling errors
- fix a small bit of whitespace damage
Thanks!
--
Jeff Layton <jlayton@xxxxxxxxxx>
