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ceph: more precise CEPH_CLIENT_CAPS_PENDING_CAPSNAP

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Client uses this flag to tell mds if there is more cap snap need to
flush. It's mainly for the case that client needs to re-send cap/snap
flushes after mds failover, but CEPH_CAP_ANY_FILE_WR on corresponding
inodes are all released before mds failover.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2019-06-20 12:09:08 +08:00 • committed by Ilya Dryomov
parent d6cee9dbd8
commit 49ada6e8dc
2 changed files with 31 additions and 12 deletions
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2
include/linux/ceph/ceph_fs.h
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@ -682,7 +682,7 @@ extern const char *ceph_cap_op_name(int op);
/* flags field in client cap messages (version >= 10) */
#define CEPH_CLIENT_CAPS_SYNC (1<<0)
#define CEPH_CLIENT_CAPS_NO_CAPSNAP (1<<1)
#define CEPH_CLIENT_CAPS_PENDING_CAPSNAP (1<<2);
#define CEPH_CLIENT_CAPS_PENDING_CAPSNAP (1<<2)
/*
* caps message, used for capability callbacks, acks, requests, etc.