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-rw-r--r--xlators/cluster/dht/src/dht-common.h8
-rw-r--r--xlators/cluster/dht/src/dht-linkfile.c138
-rw-r--r--xlators/cluster/dht/src/dht-rename.c2
3 files changed, 147 insertions, 1 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index f6e5e6d0d07..0a39da97228 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -303,5 +303,13 @@ int dht_build_child_loc (xlator_t *this, loc_t *child, loc_t *parent, char *name
int dht_filter_loc_subvol_key (xlator_t *this, loc_t *loc, loc_t *new_loc,
xlator_t **subvol);
+int dht_rename_cleanup (call_frame_t *frame);
+int dht_rename_links_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent);
+
+int dht_linkfile_recreate(call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk,
+ xlator_t *tovol, xlator_t *fromvol, loc_t *loc);
#endif /* _DHT_H */
diff --git a/xlators/cluster/dht/src/dht-linkfile.c b/xlators/cluster/dht/src/dht-linkfile.c
index 6afba25a147..b3943632b39 100644
--- a/xlators/cluster/dht/src/dht-linkfile.c
+++ b/xlators/cluster/dht/src/dht-linkfile.c
@@ -244,4 +244,142 @@ out:
return subvol;
}
+int
+dht_recreate_linkfile_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ struct iatt *preparent, struct iatt *postparent)
+{
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ call_frame_t *prev = NULL;
+ loc_t *loc = NULL;
+
+ GF_VALIDATE_OR_GOTO ("dht", frame, err);
+ GF_VALIDATE_OR_GOTO ("dht", this, err);
+ GF_VALIDATE_OR_GOTO ("dht", frame->local, err);
+
+ local = frame->local;
+ prev = cookie;
+ subvol = prev->this;
+ src_cached = local->src_cached;
+ dst_hashed = local->dst_hashed;
+ loc = &local->loc;
+
+ if (!src_cached || !dst_hashed) {
+ gf_log (this->name, GF_LOG_ERROR, "src_cached or dst_hashed"
+ "subvol is null");
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
+ goto out;
+ }
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "unlinking linkfile %s on %s failed (%s)",
+ loc->path, subvol->name, strerror (op_errno));
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ goto out;
+ }
+ gf_log (this->name, GF_LOG_DEBUG, "unlink successfull. Proceeding with"
+ " creation of link file %s", loc->path);
+ dht_linkfile_create (frame, local->linkfile.linkfile_cbk,
+ src_cached, dst_hashed, loc);
+
+ return 0;
+out:
+ local->linkfile.linkfile_cbk (frame, NULL, frame->this, -1, EINVAL,
+ local->loc.inode, NULL, NULL, NULL);
+err:
+ return -1;
+}
+
+int
+dht_linkfile_recreate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno,
+ inode_t *inode, struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent)
+{
+ dht_local_t *local = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ loc_t *loc = NULL;
+
+ GF_VALIDATE_OR_GOTO ("dht", frame, err);
+ GF_VALIDATE_OR_GOTO ("dht", this, err);
+ GF_VALIDATE_OR_GOTO ("dht", frame->local, err);
+
+ local = frame->local;
+ loc = &local->loc;
+
+ src_cached = local->src_cached;
+ dst_hashed = local->dst_hashed;
+ if (!src_cached || !dst_hashed) {
+ gf_log (this->name, GF_LOG_ERROR, "src_cached or dst_hashed"
+ " or hashed_subvol is null");
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
+ goto out;
+ }
+
+ /* if link_file exists, remove it, else create it*/
+ if (!op_ret) {
+ if (!check_is_linkfile (inode, stbuf, xattr))
+ goto out;
+ gf_log (this->name, GF_LOG_DEBUG, "link file exists."
+ " Calling unlink on %s", loc->path);
+ STACK_WIND (frame, dht_recreate_linkfile_unlink_cbk,
+ dst_hashed, dst_hashed->fops->unlink,
+ loc);
+
+ } else if (op_errno == ENOENT) {
+ gf_log (this->name, GF_LOG_DEBUG, "link file does not exist."
+ " Proceeding to creation of linkfile %s", loc->path);
+ dht_linkfile_create (frame, local->linkfile.linkfile_cbk,
+ src_cached, dst_hashed, loc);
+ } else {
+ gf_log (this->name, GF_LOG_ERROR, "returned error %s",
+ strerror(op_errno));
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ goto out;
+ }
+
+ return 0;
+out:
+ local->linkfile.linkfile_cbk (frame, NULL, frame->this, -1, EINVAL,
+ loc->inode, NULL, NULL, NULL);
+err:
+ return -1;
+}
+
+int
+dht_linkfile_recreate (call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk,
+ xlator_t *tovol, xlator_t *fromvol, loc_t *loc)
+{
+ dht_local_t *local = NULL;
+
+ GF_VALIDATE_OR_GOTO ("dht", frame, out);
+ GF_VALIDATE_OR_GOTO ("dht", loc, out);
+ GF_VALIDATE_OR_GOTO ("dht", tovol, out);
+ GF_VALIDATE_OR_GOTO ("dht", fromvol, out);
+
+ local = frame->local;
+ local->linkfile.linkfile_cbk = linkfile_cbk;
+ local->linkfile.srcvol = tovol;
+ loc_copy (&local->linkfile.loc, loc);
+
+ STACK_WIND (frame, dht_linkfile_recreate_cbk,
+ fromvol, fromvol->fops->lookup, loc, NULL);
+
+ return 0;
+
+out:
+ linkfile_cbk (frame, NULL, frame->this, -1, EINVAL, loc->inode, NULL,
+ NULL, NULL);
+
+ return -1;
+}
diff --git a/xlators/cluster/dht/src/dht-rename.c b/xlators/cluster/dht/src/dht-rename.c
index 52185d2adac..fce313d1e33 100644
--- a/xlators/cluster/dht/src/dht-rename.c
+++ b/xlators/cluster/dht/src/dht-rename.c
@@ -591,7 +591,7 @@ dht_rename_create_links (call_frame_t *frame)
"linkfile %s @ %s => %s",
local->loc.path, dst_hashed->name, src_cached->name);
memcpy (local->gfid, local->loc.inode->gfid, 16);
- dht_linkfile_create (frame, dht_rename_links_cbk,
+ dht_linkfile_recreate (frame, dht_rename_links_cbk,
src_cached, dst_hashed, &local->loc);
}
generated by cgit (git 2.34.1) at 2024-11-12 18:26:22 +0000