diff options
| author | David Teigland <teigland@redhat.com> | 2006-07-25 13:53:33 -0500 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-26 08:42:01 -0400 |
| commit | f7da790d743d2f0b4f39e4fa442079b3b54f3bef (patch) | |
| tree | 117c276a652b05f74eee8f6aac3384d76a4a37a9 /fs/dlm | |
| parent | 5de6319b1839300ba6b461ed19531cdab90db9fc (diff) | |
[DLM] set purged flag on rsbs
If a node becomes the new master of an rsb during recovery, the
LOCKS_PURGED flag needs to be set on it so that any waiting/converting
locks will try to be granted.
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/recover.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c index 34876f60f298..1a86dfc8034e 100644 --- a/fs/dlm/recover.c +++ b/fs/dlm/recover.c @@ -305,7 +305,8 @@ static void set_master_lkbs(struct dlm_rsb *r) /* * Propogate the new master nodeid to locks * The NEW_MASTER flag tells dlm_recover_locks() which rsb's to consider. - * The NEW_MASTER2 flag tells recover_lvb() which rsb's to consider. + * The NEW_MASTER2 flag tells recover_lvb() and set_locks_purged() which + * rsb's to consider. */ static void set_new_master(struct dlm_rsb *r, int nodeid) @@ -681,6 +682,16 @@ static void recover_conversion(struct dlm_rsb *r) } } +/* We've become the new master for this rsb and waiting/converting locks may + need to be granted in dlm_grant_after_purge() due to locks that may have + existed from a removed node. */ + +static void set_locks_purged(struct dlm_rsb *r) +{ + if (!list_empty(&r->res_waitqueue) || !list_empty(&r->res_convertqueue)) + rsb_set_flag(r, RSB_LOCKS_PURGED); +} + void dlm_recover_rsbs(struct dlm_ls *ls) { struct dlm_rsb *r; @@ -694,10 +705,13 @@ void dlm_recover_rsbs(struct dlm_ls *ls) if (is_master(r)) { if (rsb_flag(r, RSB_RECOVER_CONVERT)) recover_conversion(r); + if (rsb_flag(r, RSB_NEW_MASTER2)) + set_locks_purged(r); recover_lvb(r); count++; } rsb_clear_flag(r, RSB_RECOVER_CONVERT); + rsb_clear_flag(r, RSB_NEW_MASTER2); unlock_rsb(r); } up_read(&ls->ls_root_sem); |