2f3c8edfdf
Resolves: bz#1390151 bz#1410145 bz#1429190 bz#1510752 bz#1511779 Resolves: bz#1570958 bz#1574490 bz#1595246 bz#1618669 bz#1661393 Resolves: bz#1668989 bz#1669020 Signed-off-by: Milind Changire <mchangir@redhat.com>
119 lines
3.7 KiB
Diff
119 lines
3.7 KiB
Diff
From a902a17263648180bba8a0167a221e549ba5186a Mon Sep 17 00:00:00 2001
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From: N Balachandran <nbalacha@redhat.com>
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Date: Wed, 6 Feb 2019 10:26:42 +0530
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Subject: [PATCH 519/529] cluster/dht: Delete invalid linkto files in rmdir
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rm -rf <dir> fails on dirs which contain linkto files
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that point to themselves because dht incorrectly thought
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that they were cached files after looking them up.
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The fix now treats them as invalid linkto files
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and deletes them.
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upstream master: https://review.gluster.org/#/c/glusterfs/+/22066/
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> Change-Id: I376c72a5309714ee339c74485e02cfb4e29be643
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> fixes: bz#1667804
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> Signed-off-by: N Balachandran <nbalacha@redhat.com>
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Change-Id: Ib759907131f791e5853b2e0cb38a68d94a3efd81
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BUG: 1668989
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Signed-off-by: N Balachandran <nbalacha@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/162342
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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/bugs/distribute/bug-1667804.t | 63 ++++++++++++++++++++++++++++++++++++
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xlators/cluster/dht/src/dht-common.c | 6 ++--
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2 files changed, 67 insertions(+), 2 deletions(-)
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create mode 100644 tests/bugs/distribute/bug-1667804.t
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diff --git a/tests/bugs/distribute/bug-1667804.t b/tests/bugs/distribute/bug-1667804.t
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new file mode 100644
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index 0000000..3f7c431
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--- /dev/null
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+++ b/tests/bugs/distribute/bug-1667804.t
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@@ -0,0 +1,63 @@
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+#!/bin/bash
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+
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+. $(dirname $0)/../../include.rc
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+. $(dirname $0)/../../volume.rc
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+. $(dirname $0)/../../dht.rc
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+
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+function confirm_all_linkto_files ()
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+{
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+ inpath=$1
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+ for infile in $inpath/*
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+ do
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+ echo $infile
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+ ret1=$(is_dht_linkfile $infile)
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+ if [ "$ret1" -eq 0 ]; then
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+ echo "$infile is not a linkto file"
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+ echo 0
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+ return
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+ fi
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+ done
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+ echo 1
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+}
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+
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+cleanup;
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+
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+#Basic checks
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+TEST glusterd
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+TEST pidof glusterd
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+TEST $CLI volume info
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+
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+#Create a distributed volume
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+TEST $CLI volume create $V0 $H0:$B0/${V0}{1..2};
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+TEST $CLI volume start $V0
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+
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+# Mount FUSE
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+TEST glusterfs -s $H0 --volfile-id $V0 $M0
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+
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+#Create files and rename them in order to create linkto files
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+TEST mkdir -p $M0/dir0/dir1
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+TEST touch $M0/dir0/dir1/file-{1..50}
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+
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+for i in {1..50}; do
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+ mv $M0/dir0/dir1/file-$i $M0/dir0/dir1/nfile-$i;
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+done
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+
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+#Remove the second brick to force the creation of linkto files
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+#on the removed brick
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+
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+TEST $CLI volume remove-brick $V0 $H0:$B0/${V0}2 start
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+EXPECT_WITHIN $REBALANCE_TIMEOUT "completed" remove_brick_status_completed_field "$V0 $H0:$B0/${V0}2"
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+TEST $CLI volume remove-brick $V0 $H0:$B0/${V0}2 stop
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+
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+EXPECT "1" confirm_all_linkto_files $B0/${V0}2/dir0/dir1
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+
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+#Modify the xattrs of the linkto files on the removed brick to point to itself.
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+
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+target=$(cat $M0/.meta/graphs/active/$V0-dht/subvolumes/1/name)
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+
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+setfattr -n trusted.glusterfs.dht.linkto -v "$target\0" $B0/${V0}2/dir0/dir1/nfile*
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+
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+
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+TEST rm -rf $M0/dir0
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+
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+cleanup;
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diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
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index 767c6a8..1311a8d 100644
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--- a/xlators/cluster/dht/src/dht-common.c
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+++ b/xlators/cluster/dht/src/dht-common.c
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@@ -10062,8 +10062,10 @@ dht_rmdir_is_subvol_empty (call_frame_t *frame, xlator_t *this,
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subvol = dht_linkfile_subvol (this, NULL, &trav->d_stat,
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trav->dict);
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- if (!subvol) {
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-
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+ if (!subvol || (subvol == src)) {
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+ /* we need to delete the linkto file if it does not
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+ * have a valid subvol or it points to itself.
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+ */
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gf_msg (this->name, GF_LOG_INFO, 0,
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DHT_MSG_INVALID_LINKFILE,
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"Linkfile does not have link subvolume. "
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--
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1.8.3.1
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