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| author | Kurt Hackel <kurt.hackel@oracle.com> | 2006-05-02 00:54:07 +0400 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-06-27 01:43:12 +0400 |
| commit | b7084ab538ac2bd71ce494cf1cbbea9fe9db2c07 (patch) | |
| tree | b1d19839e9e7795fb1d86270c90008058e8860f7 | |
| parent | c27069e6cfa242a3b84eb3442934c6fe51ee9066 (diff) | |
| download | linux-b7084ab538ac2bd71ce494cf1cbbea9fe9db2c07.tar.xz | |
ocfs2: wait for recovery when starting lock mastery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
| -rw-r--r-- | fs/ocfs2/dlm/dlmcommon.h | 1 | ||||
| -rw-r--r-- | fs/ocfs2/dlm/dlmmaster.c | 3 | ||||
| -rw-r--r-- | fs/ocfs2/dlm/dlmrecovery.c | 30 |
3 files changed, 34 insertions, 0 deletions
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h index 829cc3948804..9bea5c6ef9bf 100644 --- a/fs/ocfs2/dlm/dlmcommon.h +++ b/fs/ocfs2/dlm/dlmcommon.h @@ -710,6 +710,7 @@ void dlm_wait_for_recovery(struct dlm_ctxt *dlm); void dlm_kick_recovery_thread(struct dlm_ctxt *dlm); int dlm_is_node_dead(struct dlm_ctxt *dlm, u8 node); int dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout); +int dlm_wait_for_node_recovery(struct dlm_ctxt *dlm, u8 node, int timeout); void dlm_put(struct dlm_ctxt *dlm); struct dlm_ctxt *dlm_grab(struct dlm_ctxt *dlm); diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 78ba77bf3a77..ed1601d1831c 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -899,6 +899,9 @@ redo_request: } else wait_on_recovery = 0; spin_unlock(&dlm->spinlock); + + if (wait_on_recovery) + dlm_wait_for_node_recovery(dlm, bit, 10000); } /* must wait for lock to be mastered elsewhere */ diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c index c699a450b0f2..b03fecab299d 100644 --- a/fs/ocfs2/dlm/dlmrecovery.c +++ b/fs/ocfs2/dlm/dlmrecovery.c @@ -343,6 +343,18 @@ int dlm_is_node_dead(struct dlm_ctxt *dlm, u8 node) return dead; } +/* returns true if node is no longer in the domain + * could be dead or just not joined */ +int dlm_is_node_recovered(struct dlm_ctxt *dlm, u8 node) +{ + int recovered; + spin_lock(&dlm->spinlock); + recovered = !test_bit(node, dlm->recovery_map); + spin_unlock(&dlm->spinlock); + return recovered; +} + + int dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout) { if (timeout) { @@ -361,6 +373,24 @@ int dlm_wait_for_node_death(struct dlm_ctxt *dlm, u8 node, int timeout) return 0; } +int dlm_wait_for_node_recovery(struct dlm_ctxt *dlm, u8 node, int timeout) +{ + if (timeout) { + mlog(0, "%s: waiting %dms for notification of " + "recovery of node %u\n", dlm->name, timeout, node); + wait_event_timeout(dlm->dlm_reco_thread_wq, + dlm_is_node_recovered(dlm, node), + msecs_to_jiffies(timeout)); + } else { + mlog(0, "%s: waiting indefinitely for notification " + "of recovery of node %u\n", dlm->name, node); + wait_event(dlm->dlm_reco_thread_wq, + dlm_is_node_recovered(dlm, node)); + } + /* for now, return 0 */ + return 0; +} + /* callers of the top-level api calls (dlmlock/dlmunlock) should * block on the dlm->reco.event when recovery is in progress. * the dlm recovery thread will set this state when it begins |