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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-08 11:51:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-08 11:51:05 -0700 |
commit | ebb37277796269da36a8bc5d72ed1e8e1fb7d34b (patch) | |
tree | 0ded627a62a5cec70b18d12825dd858855c135d3 /drivers/block/drbd/drbd_state.c | |
parent | 4de13d7aa8f4d02f4dc99d4609575659f92b3c5a (diff) | |
parent | f50efd2fdbd9b35b11f5778ed85beb764184bda9 (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.c | 28 |
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; } |