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Merge branch 'for-jens' of git://git.drbd.org/linux-2.6-drbd into for-2.6.33

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This commit is contained in:
Jens Axboe 2009-11-04 18:38:23 +01:00
commit 622d32d3ec
6 changed files with 22 additions and 18 deletions
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7
drivers/block/drbd/drbd_main.c
View File

@ -867,10 +867,9 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state
}
if (fp == FP_STONITH &&
(ns.role == R_PRIMARY &&
ns.conn < C_CONNECTED &&
ns.pdsk > D_OUTDATED))
ns.susp = 1;
(ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk > D_OUTDATED) &&
!(os.role == R_PRIMARY && os.conn < C_CONNECTED && os.pdsk > D_OUTDATED))
ns.susp = 1;
if (ns.aftr_isp || ns.peer_isp || ns.user_isp) {
if (ns.conn == C_SYNC_SOURCE)

14
drivers/block/drbd/drbd_nl.c
View File

@ -894,11 +894,6 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
min_md_device_sectors = MD_RESERVED_SECT * (nbc->dc.meta_dev_idx + 1);
}
if (drbd_get_capacity(nbc->md_bdev) > max_possible_sectors)
dev_warn(DEV, "truncating very big lower level device "
"to currently maximum possible %llu sectors\n",
(unsigned long long) max_possible_sectors);
if (drbd_get_capacity(nbc->md_bdev) < min_md_device_sectors) {
retcode = ERR_MD_DISK_TO_SMALL;
dev_warn(DEV, "refusing attach: md-device too small, "
@ -917,6 +912,15 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
nbc->known_size = drbd_get_capacity(nbc->backing_bdev);
if (nbc->known_size > max_possible_sectors) {
dev_warn(DEV, "==> truncating very big lower level device "
"to currently maximum possible %llu sectors <==\n",
(unsigned long long) max_possible_sectors);
if (nbc->dc.meta_dev_idx >= 0)
dev_warn(DEV, "==>> using internal or flexible "
"meta data may help <<==\n");
}
drbd_suspend_io(mdev);
/* also wait for the last barrier ack. */
wait_event(mdev->misc_wait, !atomic_read(&mdev->ap_pending_cnt));

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

@ -2099,7 +2099,7 @@ static int drbd_asb_recover_0p(struct drbd_conf *mdev) __must_hold(local)
break;
}
/* Else fall through to one of the other strategies... */
dev_warn(DEV, "Discard younger/older primary did not found a decision\n"
dev_warn(DEV, "Discard younger/older primary did not find a decision\n"
"Using discard-least-changes instead\n");
case ASB_DISCARD_ZERO_CHG:
if (ch_peer == 0 && ch_self == 0) {
@ -3619,10 +3619,6 @@ static void drbd_disconnect(struct drbd_conf *mdev)
set_bit(STOP_SYNC_TIMER, &mdev->flags);
resync_timer_fn((unsigned long)mdev);
/* so we can be sure that all remote or resync reads
* made it at least to net_ee */
wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt));
/* wait for all w_e_end_data_req, w_e_end_rsdata_req, w_send_barrier,
* w_make_resync_request etc. which may still be on the worker queue
* to be "canceled" */

7
drivers/block/drbd/drbd_req.c
View File

@ -505,7 +505,7 @@ void __req_mod(struct drbd_request *req, enum drbd_req_event what,
* corresponding hlist_del is in _req_may_be_done() */
hlist_add_head(&req->colision, ar_hash_slot(mdev, req->sector));
set_bit(UNPLUG_REMOTE, &mdev->flags); /* why? */
set_bit(UNPLUG_REMOTE, &mdev->flags);
D_ASSERT(req->rq_state & RQ_NET_PENDING);
req->rq_state |= RQ_NET_QUEUED;
@ -536,6 +536,11 @@ void __req_mod(struct drbd_request *req, enum drbd_req_event what,
*
* Add req to the (now) current epoch (barrier). */
/* otherwise we may lose an unplug, which may cause some remote
* io-scheduler timeout to expire, increasing maximum latency,
* hurting performance. */
set_bit(UNPLUG_REMOTE, &mdev->flags);
/* see drbd_make_request_common,
* just after it grabs the req_lock */
D_ASSERT(test_bit(CREATE_BARRIER, &mdev->flags) == 0);

2
include/linux/drbd.h
View File

@ -53,7 +53,7 @@
extern const char *drbd_buildtag(void);
#define REL_VERSION "8.3.3rc2"
#define REL_VERSION "8.3.5"
#define API_VERSION 88
#define PRO_VERSION_MIN 86
#define PRO_VERSION_MAX 91

4
include/linux/drbd_limits.h
View File

@ -70,11 +70,11 @@
/* I don't think that a tcp send buffer of more than 10M is usefull */
#define DRBD_SNDBUF_SIZE_MIN 0
#define DRBD_SNDBUF_SIZE_MAX (10<<20)
#define DRBD_SNDBUF_SIZE_DEF (2*65535)
#define DRBD_SNDBUF_SIZE_DEF 0
#define DRBD_RCVBUF_SIZE_MIN 0
#define DRBD_RCVBUF_SIZE_MAX (10<<20)
#define DRBD_RCVBUF_SIZE_DEF (2*65535)
#define DRBD_RCVBUF_SIZE_DEF 0
/* @4k PageSize -> 128kB - 512MB */
#define DRBD_MAX_BUFFERS_MIN 32