summaryrefslogtreecommitdiffstats
path: root/drivers/block/drbd/drbd_state.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-08 11:51:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-08 11:51:05 -0700
commitebb37277796269da36a8bc5d72ed1e8e1fb7d34b (patch)
tree0ded627a62a5cec70b18d12825dd858855c135d3 /drivers/block/drbd/drbd_state.c
parent4de13d7aa8f4d02f4dc99d4609575659f92b3c5a (diff)
parentf50efd2fdbd9b35b11f5778ed85beb764184bda9 (diff)
Merge branch 'for-3.10/drivers' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe: "It might look big in volume, but when categorized, not a lot of drivers are touched. The pull request contains: - mtip32xx fixes from Micron. - A slew of drbd updates, this time in a nicer series. - bcache, a flash/ssd caching framework from Kent. - Fixes for cciss" * 'for-3.10/drivers' of git://git.kernel.dk/linux-block: (66 commits) bcache: Use bd_link_disk_holder() bcache: Allocator cleanup/fixes cciss: bug fix to prevent cciss from loading in kdump crash kernel cciss: add cciss_allow_hpsa module parameter drivers/block/mg_disk.c: add CONFIG_PM_SLEEP to suspend/resume functions mtip32xx: Workaround for unaligned writes bcache: Make sure blocksize isn't smaller than device blocksize bcache: Fix merge_bvec_fn usage for when it modifies the bvm bcache: Correctly check against BIO_MAX_PAGES bcache: Hack around stuff that clones up to bi_max_vecs bcache: Set ra_pages based on backing device's ra_pages bcache: Take data offset from the bdev superblock. mtip32xx: mtip32xx: Disable TRIM support mtip32xx: fix a smatch warning bcache: Disable broken btree fuzz tester bcache: Fix a format string overflow bcache: Fix a minor memory leak on device teardown bcache: Documentation updates bcache: Use WARN_ONCE() instead of __WARN() bcache: Add missing #include <linux/prefetch.h> ...
Diffstat (limited to 'drivers/block/drbd/drbd_state.c')
-rw-r--r--drivers/block/drbd/drbd_state.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 0fe220cfb9e9..90c5be2b1d30 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -570,6 +570,13 @@ is_valid_state(struct drbd_conf *mdev, union drbd_state ns)
mdev->tconn->agreed_pro_version < 88)
rv = SS_NOT_SUPPORTED;
+ else if (ns.role == R_PRIMARY && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE)
+ rv = SS_NO_UP_TO_DATE_DISK;
+
+ else if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&
+ ns.pdsk == D_UNKNOWN)
+ rv = SS_NEED_CONNECTION;
+
else if (ns.conn >= C_CONNECTED && ns.pdsk == D_UNKNOWN)
rv = SS_CONNECTED_OUTDATES;
@@ -635,6 +642,10 @@ is_valid_soft_transition(union drbd_state os, union drbd_state ns, struct drbd_t
&& os.conn < C_WF_REPORT_PARAMS)
rv = SS_NEED_CONNECTION; /* No NetworkFailure -> SyncTarget etc... */
+ if (ns.conn == C_DISCONNECTING && ns.pdsk == D_OUTDATED &&
+ os.conn < C_CONNECTED && os.pdsk > D_OUTDATED)
+ rv = SS_OUTDATE_WO_CONN;
+
return rv;
}
@@ -1377,13 +1388,6 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
&drbd_bmio_set_n_write, &abw_start_sync,
"set_n_write from StartingSync", BM_LOCKED_TEST_ALLOWED);
- /* We are invalidating our self... */
- if (os.conn < C_CONNECTED && ns.conn < C_CONNECTED &&
- os.disk > D_INCONSISTENT && ns.disk == D_INCONSISTENT)
- /* other bitmap operation expected during this phase */
- drbd_queue_bitmap_io(mdev, &drbd_bmio_set_n_write, NULL,
- "set_n_write from invalidate", BM_LOCKED_MASK);
-
/* first half of local IO error, failure to attach,
* or administrative detach */
if (os.disk != D_FAILED && ns.disk == D_FAILED) {
@@ -1748,13 +1752,9 @@ _conn_rq_cond(struct drbd_tconn *tconn, union drbd_state mask, union drbd_state
if (test_and_clear_bit(CONN_WD_ST_CHG_FAIL, &tconn->flags))
return SS_CW_FAILED_BY_PEER;
- rv = tconn->cstate != C_WF_REPORT_PARAMS ? SS_CW_NO_NEED : SS_UNKNOWN_ERROR;
-
- if (rv == SS_UNKNOWN_ERROR)
- rv = conn_is_valid_transition(tconn, mask, val, 0);
-
- if (rv == SS_SUCCESS)
- rv = SS_UNKNOWN_ERROR; /* cont waiting, otherwise fail. */
+ rv = conn_is_valid_transition(tconn, mask, val, 0);
+ if (rv == SS_SUCCESS && tconn->cstate == C_WF_REPORT_PARAMS)
+ rv = SS_UNKNOWN_ERROR; /* continue waiting */
return rv;
}