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libceph: use keepalive2 to verify the mon session is alive

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Signed-off-by: Yan, Zheng <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2015-09-01 17:19:38 +08:00 • committed by Ilya Dryomov
parent d194cd1dd1
commit 8b9558aab8
6 changed files with 93 additions and 14 deletions
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2
include/linux/ceph/libceph.h
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@ -46,6 +46,7 @@ struct ceph_options {
unsigned long mount_timeout; /* jiffies */
unsigned long osd_idle_ttl; /* jiffies */
unsigned long osd_keepalive_timeout; /* jiffies */
unsigned long monc_ping_timeout; /* jiffies */
/*
* any type that can't be simply compared or doesn't need need
@ -66,6 +67,7 @@ struct ceph_options {
#define CEPH_MOUNT_TIMEOUT_DEFAULT msecs_to_jiffies(60 * 1000)
#define CEPH_OSD_KEEPALIVE_DEFAULT msecs_to_jiffies(5 * 1000)
#define CEPH_OSD_IDLE_TTL_DEFAULT msecs_to_jiffies(60 * 1000)
#define CEPH_MONC_PING_TIMEOUT_DEFAULT msecs_to_jiffies(30 * 1000)
#define CEPH_MSG_MAX_FRONT_LEN (16*1024*1024)
#define CEPH_MSG_MAX_MIDDLE_LEN (16*1024*1024)

4
include/linux/ceph/messenger.h
View file

@ -248,6 +248,8 @@ struct ceph_connection {
int in_base_pos; /* bytes read */
__le64 in_temp_ack; /* for reading an ack */
struct timespec last_keepalive_ack;
struct delayed_work work; /* send|recv work */
unsigned long delay; /* current delay interval */
};
@ -285,6 +287,8 @@ extern void ceph_msg_revoke(struct ceph_msg *msg);
extern void ceph_msg_revoke_incoming(struct ceph_msg *msg);
extern void ceph_con_keepalive(struct ceph_connection *con);
extern bool ceph_con_keepalive_expired(struct ceph_connection *con,
unsigned long interval);
extern void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
size_t length, size_t alignment);

4
include/linux/ceph/msgr.h
View file

@ -84,10 +84,12 @@ struct ceph_entity_inst {
#define CEPH_MSGR_TAG_MSG 7 /* message */
#define CEPH_MSGR_TAG_ACK 8 /* message ack */
#define CEPH_MSGR_TAG_KEEPALIVE 9 /* just a keepalive byte! */
#define CEPH_MSGR_TAG_BADPROTOVER 10 /* bad protocol version */
#define CEPH_MSGR_TAG_BADPROTOVER 10 /* bad protocol version */
#define CEPH_MSGR_TAG_BADAUTHORIZER 11 /* bad authorizer */
#define CEPH_MSGR_TAG_FEATURES 12 /* insufficient features */
#define CEPH_MSGR_TAG_SEQ 13 /* 64-bit int follows with seen seq number */
#define CEPH_MSGR_TAG_KEEPALIVE2 14 /* keepalive2 byte + ceph_timespec */
#define CEPH_MSGR_TAG_KEEPALIVE2_ACK 15 /* keepalive2 reply */
/*