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From 713f55b4a5cc582d06a10a1c9a0cdf71a4636a10 Mon Sep 17 00:00:00 2001
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From: Atin Mukherjee <amukherj@redhat.com>
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Date: Mon, 15 Apr 2019 07:57:40 +0530
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Subject: [PATCH 093/124] glusterd: Change op-version of cache-invalidation in
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quick-read
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In upstream cache-invalidation option in quick read was introduced with
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4.0. There are two problems with it:
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1. The key being made duplicate to md-cache xlator, so setting the same
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option actually enables this feature on both md-cache and quick-read.
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2. As the op-version tagged to this key was GD_OP_VERSION_4_0_0, with a RHGS
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3.5 cluster when a md-cache profile is set to a particular volume old
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client fails to mount which is wrong.
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Solving 1 with out breaking backward compatibility in upstream is quite hard.
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This patch addresses both the problems in downstream by (a) changing the
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op-version to GD_OP_VERSION_6_0_0 and (b) renaming this key to
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quick-read-cache-invalidation. The fix is currently made downstream only till a
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proper solution is identified in upstream.
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Label: DOWNSTREAM ONLY
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BUG: 1697820
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Change-Id: I1251424576d6ebbdb2a761400fd20f0aff0c80a2
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Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/167823
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Reviewed-by: Amar Tumballi Suryanarayan <amarts@redhat.com>
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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tests/basic/quick-read-with-upcall.t | 1 +
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xlators/mgmt/glusterd/src/glusterd-volume-set.c | 6 +++---
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xlators/performance/quick-read/src/quick-read.c | 11 ++++++-----
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3 files changed, 10 insertions(+), 8 deletions(-)
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diff --git a/tests/basic/quick-read-with-upcall.t b/tests/basic/quick-read-with-upcall.t
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index 318e93a..647dacf 100644
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--- a/tests/basic/quick-read-with-upcall.t
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+++ b/tests/basic/quick-read-with-upcall.t
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@@ -58,6 +58,7 @@ EXPECT "$D0" cat $M1/test1.txt
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sleep 60
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EXPECT "$D1" cat $M1/test1.txt
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+TEST $CLI volume set $V0 performance.quick-read-cache-invalidation on
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TEST $CLI volume set $V0 performance.cache-invalidation on
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TEST write_to "$M0/test2.txt" "$D0"
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diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
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index a877805..42ca9bb 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
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+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
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@@ -1690,10 +1690,10 @@ struct volopt_map_entry glusterd_volopt_map[] = {
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.option = "cache-timeout",
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.op_version = 1,
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.flags = VOLOPT_FLAG_CLIENT_OPT},
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- {.key = "performance.cache-invalidation",
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+ {.key = "performance.quick-read-cache-invalidation",
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.voltype = "performance/quick-read",
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- .option = "cache-invalidation",
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- .op_version = GD_OP_VERSION_4_0_0,
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+ .option = "quick-read-cache-invalidation",
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+ .op_version = GD_OP_VERSION_6_0,
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.flags = VOLOPT_FLAG_CLIENT_OPT},
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{.key = "performance.ctime-invalidation",
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.voltype = "performance/quick-read",
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diff --git a/xlators/performance/quick-read/src/quick-read.c b/xlators/performance/quick-read/src/quick-read.c
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index 244e8c8..59553c0 100644
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--- a/xlators/performance/quick-read/src/quick-read.c
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+++ b/xlators/performance/quick-read/src/quick-read.c
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@@ -1218,8 +1218,8 @@ qr_reconfigure(xlator_t *this, dict_t *options)
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GF_OPTION_RECONF("cache-timeout", conf->cache_timeout, options, int32, out);
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- GF_OPTION_RECONF("cache-invalidation", conf->qr_invalidation, options, bool,
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- out);
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+ GF_OPTION_RECONF("quick-read-cache-invalidation", conf->qr_invalidation,
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+ options, bool, out);
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GF_OPTION_RECONF("ctime-invalidation", conf->ctime_invalidation, options,
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bool, out);
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@@ -1369,7 +1369,8 @@ qr_init(xlator_t *this)
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GF_OPTION_INIT("cache-timeout", conf->cache_timeout, int32, out);
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- GF_OPTION_INIT("cache-invalidation", conf->qr_invalidation, bool, out);
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+ GF_OPTION_INIT("quick-read-cache-invalidation", conf->qr_invalidation, bool,
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+ out);
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GF_OPTION_INIT("cache-size", conf->cache_size, size_uint64, out);
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if (!check_cache_size_ok(this, conf->cache_size)) {
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@@ -1615,10 +1616,10 @@ struct volume_options qr_options[] = {
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.flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
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},
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{
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- .key = {"cache-invalidation"},
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+ .key = {"quick-read-cache-invalidation"},
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.type = GF_OPTION_TYPE_BOOL,
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.default_value = "false",
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- .op_version = {GD_OP_VERSION_4_0_0},
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+ .op_version = {GD_OP_VERSION_6_0},
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.flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
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.description = "When \"on\", invalidates/updates the metadata cache,"
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" on receiving the cache-invalidation notifications",
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--
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1.8.3.1
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