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ceph: allow connection to be reopened by fault callback 

Fix the messenger to allow a ceph_con_open() during the fault callback.
Previously the work wasn't getting queued on the connection because the
fault path avoids requeued work (normally spurious).  Loop on reopening by
checking for the OPENING state bit.

This fixes OSD reconnects when a TCP connection drops.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-02-16 22:01:03 -08:00
parent 153a008bf7
commit e2663ab60d
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/messenger.c
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@ -1808,7 +1808,7 @@ static void con_work(struct work_struct *work)
clear_bit(BUSY, &con->state); clear_bit(BUSY, &con->state);
dout("con->state=%lu\n", con->state); dout("con->state=%lu\n", con->state);
if (test_bit(QUEUED, &con->state)) { if (test_bit(QUEUED, &con->state)) {
if (!backoff) { if (!backoff || test_bit(OPENING, &con->state)) {
dout("con_work %p QUEUED reset, looping\n", con); dout("con_work %p QUEUED reset, looping\n", con);
goto more; goto more;
} }