From 4214fb158cc423ac31b841000e219855be055388 Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Tue, 11 Jul 2017 18:49:44 +0800 Subject: ceph: validate correctness of some mount options Signed-off-by: "Yan, Zheng" Signed-off-by: Ilya Dryomov --- fs/ceph/super.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'fs/ceph/super.h') diff --git a/fs/ceph/super.h b/fs/ceph/super.h index eed2a67d8e52..279a2f401cf5 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -56,6 +56,15 @@ #define CEPH_MAX_READDIR_BYTES_DEFAULT (512*1024) #define CEPH_SNAPDIRNAME_DEFAULT ".snap" +/* + * Delay telling the MDS we no longer want caps, in case we reopen + * the file. Delay a minimum amount of time, even if we send a cap + * message for some other reason. Otherwise, take the oppotunity to + * update the mds to avoid sending another message later. + */ +#define CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT 5 /* cap release delay */ +#define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT 60 /* cap release delay */ + struct ceph_mount_options { int flags; int sb_flags; -- cgit v1.2.1