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-rw-r--r--0171-posix-add-storage.reserve-size-option.patch295
1 files changed, 295 insertions, 0 deletions
diff --git a/0171-posix-add-storage.reserve-size-option.patch b/0171-posix-add-storage.reserve-size-option.patch
new file mode 100644
index 0000000..2e76908
--- /dev/null
+++ b/0171-posix-add-storage.reserve-size-option.patch
@@ -0,0 +1,295 @@
+From 4d82c7879387e6f7963b4d9c84c4ff8a1788055d Mon Sep 17 00:00:00 2001
+From: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
+Date: Mon, 19 Nov 2018 22:15:25 +0530
+Subject: [PATCH 171/178] posix: add storage.reserve-size option
+
+storage.reserve-size option will take size as input
+instead of percentage. If set, priority will be given to
+storage.reserve-size over storage.reserve. Default value
+of this option is 0.
+
+> fixes: bz#1651445
+> Change-Id: I7a7342c68e436e8bf65bd39c567512ee04abbcea
+> Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
+> Cherry pick from commit 950726dfc8e3171bef625b563c0c6dbba1ec2928
+> Reviewed on upstream link https://review.gluster.org/#/c/glusterfs/+/21686/
+
+BUG: 1573077
+Change-Id: I7a7342c68e436e8bf65bd39c567512ee04abbcea
+Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
+Reviewed-on: https://code.engineering.redhat.com/gerrit/172709
+Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
+Tested-by: RHGS Build Bot <nigelb@redhat.com>
+---
+ tests/bugs/posix/bug-1651445.t | 58 +++++++++++++++++++++++++
+ xlators/mgmt/glusterd/src/glusterd-volume-set.c | 33 ++++++++++++++
+ xlators/storage/posix/src/posix-common.c | 34 ++++++++++++---
+ xlators/storage/posix/src/posix-helpers.c | 13 ++++--
+ xlators/storage/posix/src/posix-inode-fd-ops.c | 10 +++--
+ xlators/storage/posix/src/posix.h | 3 +-
+ 6 files changed, 138 insertions(+), 13 deletions(-)
+ create mode 100644 tests/bugs/posix/bug-1651445.t
+
+diff --git a/tests/bugs/posix/bug-1651445.t b/tests/bugs/posix/bug-1651445.t
+new file mode 100644
+index 0000000..f6f1833
+--- /dev/null
++++ b/tests/bugs/posix/bug-1651445.t
+@@ -0,0 +1,58 @@
++#!/bin/bash
++
++. $(dirname $0)/../../include.rc
++. $(dirname $0)/../../volume.rc
++. $(dirname $0)/../../snapshot.rc
++
++cleanup
++
++TEST verify_lvm_version
++TEST glusterd
++TEST pidof glusterd
++TEST init_n_bricks 3
++TEST setup_lvm 3
++
++TEST $CLI volume create $V0 replica 3 $H0:$L{1,2,3}
++TEST $CLI volume start $V0
++
++TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0
++
++TEST $CLI volume set $V0 storage.reserve-size 10MB
++
++#No effect as priority to reserve-size
++TEST $CLI volume set $V0 storage.reserve 20
++
++TEST dd if=/dev/zero of=$M0/a bs=100M count=1
++sleep 5
++
++#Below dd confirms posix is giving priority to reserve-size
++TEST dd if=/dev/zero of=$M0/b bs=40M count=1
++
++sleep 5
++TEST ! dd if=/dev/zero of=$M0/c bs=5M count=1
++
++rm -rf $M0/*
++#Size will reserve from the previously set reserve option = 20%
++TEST $CLI volume set $V0 storage.reserve-size 0
++
++#Overwrite reserve option
++TEST $CLI volume set $V0 storage.reserve-size 40MB
++
++#wait 5s to reset disk_space_full flag
++sleep 5
++
++TEST dd if=/dev/zero of=$M0/a bs=100M count=1
++TEST dd if=/dev/zero of=$M0/b bs=10M count=1
++
++# Wait 5s to update disk_space_full flag because thread check disk space
++# after every 5s
++
++sleep 5
++# setup_lvm create lvm partition of 150M and 40M are reserve so after
++# consuming more than 110M next dd should fail
++TEST ! dd if=/dev/zero of=$M0/c bs=5M count=1
++
++TEST $CLI volume stop $V0
++TEST $CLI volume delete $V0
++
++cleanup
+diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+index 7a83124..3a7ab83 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
++++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+@@ -1231,6 +1231,30 @@ out:
+
+ return ret;
+ }
++static int
++validate_size(glusterd_volinfo_t *volinfo, dict_t *dict, char *key, char *value,
++ char **op_errstr)
++{
++ xlator_t *this = NULL;
++ uint64_t size = 0;
++ int ret = -1;
++
++ this = THIS;
++ GF_VALIDATE_OR_GOTO("glusterd", this, out);
++ ret = gf_string2bytesize_uint64(value, &size);
++ if (ret < 0) {
++ gf_asprintf(op_errstr,
++ "%s is not a valid size. %s "
++ "expects a valid value in bytes",
++ value, key);
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_INVALID_ENTRY, "%s",
++ *op_errstr);
++ }
++out:
++ gf_msg_debug("glusterd", 0, "Returning %d", ret);
++
++ return ret;
++}
+
+ /* dispatch table for VOLUME SET
+ * -----------------------------
+@@ -2830,6 +2854,15 @@ struct volopt_map_entry glusterd_volopt_map[] = {
+ .op_version = GD_OP_VERSION_3_13_0,
+ },
+ {
++ .key = "storage.reserve-size",
++ .voltype = "storage/posix",
++ .value = "0",
++ .validate_fn = validate_size,
++ .description = "If set, priority will be given to "
++ "storage.reserve-size over storage.reserve",
++ .op_version = GD_OP_VERSION_7_0,
++ },
++ {
+ .option = "health-check-timeout",
+ .key = "storage.health-check-timeout",
+ .type = NO_DOC,
+diff --git a/xlators/storage/posix/src/posix-common.c b/xlators/storage/posix/src/posix-common.c
+index ed82e35..0f70af5 100644
+--- a/xlators/storage/posix/src/posix-common.c
++++ b/xlators/storage/posix/src/posix-common.c
+@@ -345,11 +345,18 @@ posix_reconfigure(xlator_t *this, dict_t *options)
+ " fallback to <hostname>:<export>");
+ }
+
+- GF_OPTION_RECONF("reserve", priv->disk_reserve, options, uint32, out);
+- if (priv->disk_reserve) {
++ GF_OPTION_RECONF("reserve-size", priv->disk_reserve_size, options, size,
++ out);
++
++ GF_OPTION_RECONF("reserve", priv->disk_reserve_percent, options, uint32,
++ out);
++ if (priv->disk_reserve_size || priv->disk_reserve_percent) {
+ ret = posix_spawn_disk_space_check_thread(this);
+- if (ret)
++ if (ret) {
++ gf_msg(this->name, GF_LOG_INFO, 0, P_MSG_DISK_SPACE_CHECK_FAILED,
++ "Getting disk space check from thread failed");
+ goto out;
++ }
+ }
+
+ GF_OPTION_RECONF("health-check-interval", priv->health_check_interval,
+@@ -968,11 +975,17 @@ posix_init(xlator_t *this)
+
+ _private->disk_space_check_active = _gf_false;
+ _private->disk_space_full = 0;
+- GF_OPTION_INIT("reserve", _private->disk_reserve, uint32, out);
+- if (_private->disk_reserve) {
++ GF_OPTION_INIT("reserve-size", _private->disk_reserve_size, size, out);
++
++ GF_OPTION_INIT("reserve", _private->disk_reserve_percent, uint32, out);
++
++ if (_private->disk_reserve_size || _private->disk_reserve_percent) {
+ ret = posix_spawn_disk_space_check_thread(this);
+- if (ret)
++ if (ret) {
++ gf_msg(this->name, GF_LOG_INFO, 0, P_MSG_DISK_SPACE_CHECK_FAILED,
++ "Getting disk space check from thread failed ");
+ goto out;
++ }
+ }
+
+ _private->health_check_active = _gf_false;
+@@ -1216,6 +1229,15 @@ struct volume_options posix_options[] = {
+ " Set to 0 to disable",
+ .op_version = {GD_OP_VERSION_3_13_0},
+ .flags = OPT_FLAG_SETTABLE | OPT_FLAG_DOC},
++ {.key = {"reserve-size"},
++ .type = GF_OPTION_TYPE_SIZET,
++ .min = 0,
++ .default_value = "0",
++ .validate = GF_OPT_VALIDATE_MIN,
++ .description = "size in megabytes to be reserved for disk space."
++ " Set to 0 to disable",
++ .op_version = {GD_OP_VERSION_7_0},
++ .flags = OPT_FLAG_SETTABLE | OPT_FLAG_DOC},
+ {.key = {"batch-fsync-mode"},
+ .type = GF_OPTION_TYPE_STR,
+ .default_value = "reverse-fsync",
+diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
+index d0fd45a..aecf4f8 100644
+--- a/xlators/storage/posix/src/posix-helpers.c
++++ b/xlators/storage/posix/src/posix-helpers.c
+@@ -2246,6 +2246,7 @@ posix_disk_space_check(xlator_t *this)
+ struct posix_private *priv = NULL;
+ char *subvol_path = NULL;
+ int op_ret = 0;
++ uint64_t size = 0;
+ int percent = 0;
+ struct statvfs buf = {0};
+ uint64_t totsz = 0;
+@@ -2256,7 +2257,14 @@ posix_disk_space_check(xlator_t *this)
+ GF_VALIDATE_OR_GOTO(this->name, priv, out);
+
+ subvol_path = priv->base_path;
+- percent = priv->disk_reserve;
++
++ if (priv->disk_reserve_size) {
++ size = priv->disk_reserve_size;
++ } else {
++ percent = priv->disk_reserve_percent;
++ totsz = (buf.f_blocks * buf.f_bsize);
++ size = ((totsz * percent) / 100);
++ }
+
+ op_ret = sys_statvfs(subvol_path, &buf);
+
+@@ -2265,10 +2273,9 @@ posix_disk_space_check(xlator_t *this)
+ "statvfs failed on %s", subvol_path);
+ goto out;
+ }
+- totsz = (buf.f_blocks * buf.f_bsize);
+ freesz = (buf.f_bfree * buf.f_bsize);
+
+- if (freesz <= ((totsz * percent) / 100)) {
++ if (freesz <= size) {
+ priv->disk_space_full = 1;
+ } else {
+ priv->disk_space_full = 0;
+diff --git a/xlators/storage/posix/src/posix-inode-fd-ops.c b/xlators/storage/posix/src/posix-inode-fd-ops.c
+index 2c19ce1..7ca4d26 100644
+--- a/xlators/storage/posix/src/posix-inode-fd-ops.c
++++ b/xlators/storage/posix/src/posix-inode-fd-ops.c
+@@ -720,7 +720,7 @@ posix_do_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags,
+ thread after every 5 sec sleep to working correctly storage.reserve
+ option behaviour
+ */
+- if (priv->disk_reserve)
++ if (priv->disk_reserve_size || priv->disk_reserve_percent)
+ posix_disk_space_check(this);
+
+ DISK_SPACE_CHECK_AND_GOTO(frame, priv, xdata, ret, ret, out);
+@@ -2331,8 +2331,12 @@ posix_statfs(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
+ goto out;
+ }
+
+- percent = priv->disk_reserve;
+- reserved_blocks = (buf.f_blocks * percent) / 100;
++ if (priv->disk_reserve_size) {
++ reserved_blocks = priv->disk_reserve_size / buf.f_bsize;
++ } else {
++ percent = priv->disk_reserve_percent;
++ reserved_blocks = (buf.f_blocks * percent) / 100;
++ }
+
+ if (buf.f_bfree > reserved_blocks) {
+ buf.f_bfree = (buf.f_bfree - reserved_blocks);
+diff --git a/xlators/storage/posix/src/posix.h b/xlators/storage/posix/src/posix.h
+index 1da4d01..4364b96 100644
+--- a/xlators/storage/posix/src/posix.h
++++ b/xlators/storage/posix/src/posix.h
+@@ -225,7 +225,8 @@ struct posix_private {
+ pthread_t health_check;
+ gf_boolean_t health_check_active;
+
+- uint32_t disk_reserve;
++ uint32_t disk_reserve_percent;
++ uint64_t disk_reserve_size;
+ uint32_t disk_space_full;
+ pthread_t disk_space_check;
+ gf_boolean_t disk_space_check_active;
+--
+1.8.3.1
+