From 88d3c5ee059952db304f5f3f82ca4c5e4a72a7a5 Mon Sep 17 00:00:00 2001 From: Nick Wang Date: Fri, 10 Jul 2015 18:25:19 +0800 Subject: [Patch v2 07/10] drbd: Flags for background drbd device work Background drbd device work for zeroing out device. Signed-off-by: Nick Wang CC: Philipp Reisner CC: Lars Ellenberg CC: drbd-dev@lists.linbit.com CC: linux-kernel@vger.kernel.org --- drbd/drbd_int.h | 3 +++ drbd/drbd_worker.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/drbd/drbd_int.h b/drbd/drbd_int.h index dd680a9..287ffd7 100644 --- a/drbd/drbd_int.h +++ b/drbd/drbd_int.h @@ -622,6 +622,9 @@ enum { RS_START, /* tell worker to start resync/OV */ RS_PROGRESS, /* tell worker that resync made significant progress */ RS_DONE, /* tell worker that resync is done */ + P_ZERO_START, /* tell worker to zero out device */ + S_ZERO_START, /* tell worker to zero out device as requested*/ + /* used for zero out device */ ZERO_DONE, /* succeed on zero out a device */ ZERO_FAIL, /* fail to zero out a device */ diff --git a/drbd/drbd_worker.c b/drbd/drbd_worker.c index 293aa27..23e82c1 100644 --- a/drbd/drbd_worker.c +++ b/drbd/drbd_worker.c @@ -2070,6 +2070,10 @@ static void do_device_work(struct drbd_device *device, const unsigned long todo) drbd_ldev_destroy(device); if (test_bit(RS_START, &todo)) do_start_resync(device); + if (test_bit(P_ZERO_START, &todo)) + require_zero_out_local_device(device); + if (test_bit(S_ZERO_START, &todo)) + receive_zero_out_local_device(device); } #define DRBD_DEVICE_WORK_MASK \ @@ -2079,6 +2083,8 @@ static void do_device_work(struct drbd_device *device, const unsigned long todo) |(1UL << RS_START) \ |(1UL << RS_PROGRESS) \ |(1UL << RS_DONE) \ + |(1UL << P_ZERO_START) \ + |(1UL << S_ZERO_START) \ ) static unsigned long get_work_bits(unsigned long *flags) -- 1.8.4.5