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drbd: Broadcast sync progress no more often than once per second 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2012-10-19 14:37:47 +02:00
parent 518a4d53b2
commit 328e0f125b
4 changed files with 13 additions and 2 deletions
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1
drivers/block/drbd/drbd_int.h
View File

@ -965,6 +965,7 @@ struct drbd_conf {
unsigned long rs_mark_time[DRBD_SYNC_MARKS]; unsigned long rs_mark_time[DRBD_SYNC_MARKS];
/* current index into rs_mark_{left,time} */ /* current index into rs_mark_{left,time} */
int rs_last_mark; int rs_last_mark;
unsigned long rs_last_bcast; /* [unit jiffies] */
/* where does the admin want us to start? (sector) */ /* where does the admin want us to start? (sector) */
sector_t ov_start_sector; sector_t ov_start_sector;

6
drivers/block/drbd/drbd_nl.c
View File

@ -3295,6 +3295,12 @@ void drbd_bcast_event(struct drbd_conf *mdev, const struct sib_info *sib)
unsigned seq; unsigned seq;
int err = -ENOMEM; int err = -ENOMEM;
if (sib->sib_reason == SIB_SYNC_PROGRESS &&
time_after(jiffies, mdev->rs_last_bcast + HZ))
mdev->rs_last_bcast = jiffies;
else
return;
seq = atomic_inc_return(&drbd_genl_seq); seq = atomic_inc_return(&drbd_genl_seq);
msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO);
if (!msg) if (!msg)

4
drivers/block/drbd/drbd_worker.c
View File

@ -1696,6 +1696,10 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side)
write_unlock_irq(&global_state_lock); write_unlock_irq(&global_state_lock);
if (r == SS_SUCCESS) { if (r == SS_SUCCESS) {
/* reset rs_last_bcast when a resync or verify is started,
* to deal with potential jiffies wrap. */
mdev->rs_last_bcast = jiffies - HZ;
dev_info(DEV, "Began resync as %s (will sync %lu KB [%lu bits set]).\n", dev_info(DEV, "Began resync as %s (will sync %lu KB [%lu bits set]).\n",
drbd_conn_str(ns.conn), drbd_conn_str(ns.conn),
(unsigned long) mdev->rs_total << (BM_BLOCK_SHIFT-10), (unsigned long) mdev->rs_total << (BM_BLOCK_SHIFT-10),

4
include/linux/drbd.h
View File

@ -52,8 +52,8 @@
#endif #endif
extern const char *drbd_buildtag(void); extern const char *drbd_buildtag(void);
#define REL_VERSION "8.3.11" #define REL_VERSION "8.4.2"
#define API_VERSION 88 #define API_VERSION 1
#define PRO_VERSION_MIN 86 #define PRO_VERSION_MIN 86
#define PRO_VERSION_MAX 101 #define PRO_VERSION_MAX 101