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From 5f304e003cc24ff7877ab51bdfded0dbf8ec581b Mon Sep 17 00:00:00 2001
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From: N Balachandran <nbalacha@redhat.com>
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Date: Fri, 21 Jun 2019 09:04:19 +0530
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Subject: [PATCH 222/255] cluster/dht: Fixed a memleak in dht_rename_cbk
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Fixed a memleak in dht_rename_cbk when creating
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a linkto file.
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upstream: https://review.gluster.org/#/c/glusterfs/+/22912/
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>Change-Id: I705adef3cb79e33806520fc2b15558e90e2c211c
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>fixes: bz#1722698
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>Signed-off-by: N Balachandran <nbalacha@redhat.com>
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BUG:1722512
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Change-Id: I8450cac82a0e1611e698ffac476ea5516e614236
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Signed-off-by: N Balachandran <nbalacha@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/175181
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Susant Palai <spalai@redhat.com>
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---
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xlators/cluster/dht/src/dht-rename.c | 44 +++++++++++++++++++++++++++---------
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1 file changed, 33 insertions(+), 11 deletions(-)
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diff --git a/xlators/cluster/dht/src/dht-rename.c b/xlators/cluster/dht/src/dht-rename.c
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index 893b451..5ba2373 100644
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--- a/xlators/cluster/dht/src/dht-rename.c
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+++ b/xlators/cluster/dht/src/dht-rename.c
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@@ -1009,9 +1009,11 @@ dht_rename_links_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
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{
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xlator_t *prev = NULL;
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dht_local_t *local = NULL;
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+ call_frame_t *main_frame = NULL;
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prev = cookie;
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local = frame->local;
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+ main_frame = local->main_frame;
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/* TODO: Handle this case in lookup-optimize */
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if (op_ret == -1) {
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@@ -1024,7 +1026,8 @@ dht_rename_links_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
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dht_linkfile_attr_heal(frame, this);
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}
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- dht_rename_unlink(frame, this);
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+ dht_rename_unlink(main_frame, this);
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+ DHT_STACK_DESTROY(frame);
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return 0;
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}
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@@ -1040,7 +1043,8 @@ dht_rename_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
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xlator_t *src_cached = NULL;
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xlator_t *dst_hashed = NULL;
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xlator_t *dst_cached = NULL;
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- loc_t link_loc = {0};
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+ call_frame_t *link_frame = NULL;
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+ dht_local_t *link_local = NULL;
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local = frame->local;
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prev = cookie;
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@@ -1110,18 +1114,36 @@ dht_rename_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
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/* Create the linkto file for the dst file */
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if ((src_cached == dst_cached) && (dst_hashed != dst_cached)) {
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- loc_copy(&link_loc, &local->loc2);
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- if (link_loc.inode)
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- inode_unref(link_loc.inode);
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- link_loc.inode = inode_ref(local->loc.inode);
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- gf_uuid_copy(local->gfid, local->loc.inode->gfid);
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- gf_uuid_copy(link_loc.gfid, local->loc.inode->gfid);
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-
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- dht_linkfile_create(frame, dht_rename_links_create_cbk, this,
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- src_cached, dst_hashed, &link_loc);
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+ link_frame = copy_frame(frame);
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+ if (!link_frame) {
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+ goto unlink;
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+ }
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+
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+ /* fop value sent as maxvalue because it is not used
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+ * anywhere in this case */
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+ link_local = dht_local_init(link_frame, &local->loc2, NULL,
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+ GF_FOP_MAXVALUE);
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+ if (!link_local) {
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+ goto unlink;
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+ }
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+
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+ if (link_local->loc.inode)
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+ inode_unref(link_local->loc.inode);
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+ link_local->loc.inode = inode_ref(local->loc.inode);
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+ link_local->main_frame = frame;
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+ link_local->stbuf = local->stbuf;
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+ gf_uuid_copy(link_local->gfid, local->loc.inode->gfid);
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+
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+ dht_linkfile_create(link_frame, dht_rename_links_create_cbk, this,
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+ src_cached, dst_hashed, &link_local->loc);
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return 0;
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}
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+unlink:
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+
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+ if (link_frame) {
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+ DHT_STACK_DESTROY(link_frame);
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+ }
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dht_rename_unlink(frame, this);
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return 0;
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--
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1.8.3.1
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