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-rw-r--r--xlators/cluster/afr/src/afr-inode-read.c139
-rw-r--r--xlators/cluster/afr/src/afr.h2
2 files changed, 105 insertions, 36 deletions
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c
index 499804e6a..c46192702 100644
--- a/xlators/cluster/afr/src/afr-inode-read.c
+++ b/xlators/cluster/afr/src/afr-inode-read.c
@@ -726,24 +726,73 @@ unlock:
return ret;
}
+/**
+ * node-uuid cbk uses next child querying mechanism
+ */
+int32_t
+afr_getxattr_node_uuid_cbk (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ dict_t *dict)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ xlator_t **children = NULL;
+ int unwind = 1;
+ int curr_call_child = 0;
+
+ priv = this->private;
+ children = priv->children;
+
+ local = frame->local;
+
+ if (op_ret == -1) { /** query the _next_ child */
+
+ /**
+ * _current_ becomes _next_
+ * If done with all childs and yet no success; give up !
+ */
+ curr_call_child = (int) ((long)cookie);
+ if (++curr_call_child == priv->child_count)
+ goto unwind;
+
+ gf_log (this->name, GF_LOG_WARNING,
+ "op_ret (-1): Re-querying afr-child (%d/%d)",
+ curr_call_child, priv->child_count);
+
+ unwind = 0;
+ STACK_WIND_COOKIE (frame, afr_getxattr_node_uuid_cbk,
+ (void *) (long) curr_call_child,
+ children[curr_call_child],
+ children[curr_call_child]->fops->getxattr,
+ &local->loc,
+ local->cont.getxattr.name);
+ }
+
+ unwind:
+ if (unwind)
+ AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict);
+
+ return 0;
+}
+
int32_t
afr_getxattr_pathinfo_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno,
dict_t *dict)
{
- afr_local_t *local = NULL;
- int32_t callcnt = 0;
- int ret = 0;
- char *pathinfo = NULL;
- char *pathinfo_serz = NULL;
- char pathinfo_cky[1024] = {0,};
- dict_t *xattr = NULL;
- long cky = 0;
- int32_t padding = 0;
- int32_t tlen = 0;
+ afr_local_t *local = NULL;
+ int32_t callcnt = 0;
+ int ret = 0;
+ char *xattr = NULL;
+ char *xattr_serz = NULL;
+ char xattr_cky[1024] = {0,};
+ dict_t *nxattr = NULL;
+ long cky = 0;
+ int32_t padding = 0;
+ int32_t tlen = 0;
if (!frame || !frame->local || !this) {
- gf_log (this->name, GF_LOG_ERROR, "possible NULL deref");
+ gf_log ("", GF_LOG_ERROR, "possible NULL deref");
goto out;
}
@@ -761,70 +810,80 @@ afr_getxattr_pathinfo_cbk (call_frame_t *frame, void *cookie,
local->dict = dict_new ();
if (local->dict) {
- ret = dict_get_str (dict, GF_XATTR_PATHINFO_KEY, &pathinfo);
+ ret = dict_get_str (dict,
+ local->cont.getxattr.name,
+ &xattr);
if (ret)
goto out;
- pathinfo = gf_strdup (pathinfo);
+ xattr = gf_strdup (xattr);
- snprintf (pathinfo_cky, 1024, "%s-%ld", GF_XATTR_PATHINFO_KEY, cky);
- ret = dict_set_dynstr (local->dict, pathinfo_cky, pathinfo);
+ (void)snprintf (xattr_cky, 1024, "%s-%ld",
+ local->cont.getxattr.name, cky);
+ ret = dict_set_dynstr (local->dict,
+ xattr_cky, xattr);
if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Cannot set pathinfo cookie key");
+ gf_log (this->name, GF_LOG_ERROR,
+ "Cannot set xattr cookie key");
goto out;
}
- local->cont.getxattr.pathinfo_len += strlen (pathinfo) + 1;
+ local->cont.getxattr.xattr_len += strlen (xattr) + 1;
}
}
out:
UNLOCK (&frame->lock);
if (!callcnt) {
- if (!local->cont.getxattr.pathinfo_len)
+ if (!local->cont.getxattr.xattr_len)
goto unwind;
- xattr = dict_new ();
- if (!xattr)
+ nxattr = dict_new ();
+ if (!nxattr)
goto unwind;
/* extra bytes for decorations (brackets and <>'s) */
- padding = strlen (this->name) + strlen (AFR_PATHINFO_HEADER) + 4;
- local->cont.getxattr.pathinfo_len += (padding + 2);
+ padding += strlen (this->name) + strlen (AFR_PATHINFO_HEADER) + 4;
+ local->cont.getxattr.xattr_len += (padding + 2);
- pathinfo_serz = GF_CALLOC (local->cont.getxattr.pathinfo_len, sizeof (char),
- gf_common_mt_char);
+ xattr_serz = GF_CALLOC (local->cont.getxattr.xattr_len,
+ sizeof (char), gf_common_mt_char);
- if (!pathinfo_serz)
+ if (!xattr_serz)
goto unwind;
/* the xlator info */
- sprintf (pathinfo_serz, "(<"AFR_PATHINFO_HEADER"%s> ", this->name);
+ (void) sprintf (xattr_serz, "(<"AFR_PATHINFO_HEADER"%s> ",
+ this->name);
/* actual series of pathinfo */
- ret = dict_serialize_value_with_delim (local->dict, pathinfo_serz + strlen (pathinfo_serz),
+ ret = dict_serialize_value_with_delim (local->dict,
+ xattr_serz + strlen (xattr_serz),
&tlen, ' ');
if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Error serializing dictionary");
+ gf_log (this->name, GF_LOG_ERROR, "Error serializing"
+ " dictionary");
goto unwind;
}
/* closing part */
- *(pathinfo_serz + padding + tlen) = ')';
- *(pathinfo_serz + padding + tlen + 1) = '\0';
+ *(xattr_serz + padding + tlen) = ')';
+ *(xattr_serz + padding + tlen + 1) = '\0';
- ret = dict_set_dynstr (xattr, GF_XATTR_PATHINFO_KEY, pathinfo_serz);
+ ret = dict_set_dynstr (nxattr, local->cont.getxattr.name,
+ xattr_serz);
if (ret)
- gf_log (this->name, GF_LOG_ERROR, "Cannot set pathinfo key in dict");
+ gf_log (this->name, GF_LOG_ERROR, "Cannot set pathinfo"
+ " key in dict");
unwind:
- AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, xattr);
+ AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, nxattr);
if (local->dict)
dict_unref (local->dict);
- if (xattr)
- dict_unref (xattr);
+ if (nxattr)
+ dict_unref (nxattr);
}
return ret;
@@ -964,6 +1023,16 @@ afr_getxattr (call_frame_t *frame, xlator_t *this,
return 0;
}
+ if (XATTR_IS_NODE_UUID (name)) {
+ i = 0;
+ STACK_WIND_COOKIE (frame, afr_getxattr_node_uuid_cbk,
+ (void *) (long) i,
+ children[i],
+ children[i]->fops->getxattr,
+ loc, name);
+ return 0;
+ }
+
if (*priv->vol_uuid) {
if ((match_uuid_local (name, priv->vol_uuid) == 0)
&& (-1 == frame->root->pid)) {
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 8abc43583..f0cb32c12 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -480,7 +480,7 @@ typedef struct _afr_local {
struct {
char *name;
int last_index;
- long pathinfo_len;
+ long xattr_len;
} getxattr;
struct {
generated by cgit (git 2.34.1) at 2024-05-14 19:55:29 +0000