From 23790681e65476aedfbe8cfdf99b1580ef530daa Mon Sep 17 00:00:00 2001 From: Patrick Donnelly Date: Sat, 27 Jan 2024 15:00:53 -0500 Subject: [PATCH] mds: explain clients retaining Fb during xlock Fixes: https://tracker.ceph.com/issues/64198 Signed-off-by: Patrick Donnelly --- src/mds/locks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mds/locks.c b/src/mds/locks.c index f6ff8b9824a..08ee3350ec0 100644 --- a/src/mds/locks.c +++ b/src/mds/locks.c @@ -98,6 +98,7 @@ const struct sm_state_t filelock[LOCK_MAX] = { [LOCK_MIX_LOCK2] = { LOCK_LOCK, false, LOCK_LOCK, 0, 0, REQ, 0, 0, 0, 0, 0,0,0,0 }, [LOCK_XSYN_LOCK] = { LOCK_LOCK, true, LOCK_LOCK, AUTH, 0, 0, XCL, 0, 0, 0, 0,CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0 }, + /* Keep Fcb to allow rapid recall of Fw. The client can keep buffered writes / cached reads. */ [LOCK_PREXLOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, ANY, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 }, [LOCK_XLOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, 0, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 }, [LOCK_XLOCKDONE] = { LOCK_LOCK, false, LOCK_LOCK, XCL, XCL, XCL, 0, 0, XCL, 0, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,CEPH_CAP_GSHARED,0 }, -- 2.47.3