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From 7660b98f1987c24746fe912065a474c7fa189644 Mon Sep 17 00:00:00 2001
From: vmallika <vmallika@redhat.com>
Date: Fri, 7 Aug 2015 15:51:53 +0530
Subject: [PATCH 260/279] posix: posix_make_ancestryfromgfid shouldn't log ENOENT

This is a backport of http://review.gluster.org/11861

posix_make_ancestryfromgfid shouldn't log ENOENT
and it should set proper op_errno

> Change-Id: I8a87f30bc04d33cab06c91c74baa9563a1c7b45d
> BUG: 1251449
> Signed-off-by: vmallika <vmallika@redhat.com>
> Reviewed-on: http://review.gluster.org/11861
> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
> Tested-by: Gluster Build System <jenkins@build.gluster.com>
> Reviewed-by: Manikandan Selvaganesh <mselvaga@redhat.com>
> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>

Change-Id: I5e17413b09ef726b1eeec46adbbce1e5f0503da9
BUG: 1229621
Signed-off-by: vmallika <vmallika@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/55078
Reviewed-by: Raghavendra Gowdappa <rgowdapp@redhat.com>
Tested-by: Raghavendra Gowdappa <rgowdapp@redhat.com>
---
 xlators/storage/posix/src/posix-handle.c |   17 ++++++++++++-----
 xlators/storage/posix/src/posix-handle.h |    2 +-
 xlators/storage/posix/src/posix.c        |    5 +++--
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/xlators/storage/posix/src/posix-handle.c b/xlators/storage/posix/src/posix-handle.c
index 281d52f..96e7098 100644
--- a/xlators/storage/posix/src/posix-handle.c
+++ b/xlators/storage/posix/src/posix-handle.c
@@ -102,7 +102,7 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
                              gf_dirent_t *head, int type, uuid_t gfid,
                              const size_t handle_size,
                              const char *priv_base_path, inode_table_t *itable,
-                             inode_t **parent, dict_t *xdata)
+                             inode_t **parent, dict_t *xdata, int32_t *op_errno)
 {
         char        *linkname   = NULL; /* "../../<gfid[0]>/<gfid[1]/"
                                          "<gfidstr>/<NAME_MAX>" */
@@ -117,6 +117,7 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
         uuid_t       tmp_gfid   = {0, };
 
         if (!path || !parent || !priv_base_path || gf_uuid_is_null (gfid)) {
+                *op_errno = EINVAL;
                 goto out;
         }
 
@@ -138,6 +139,8 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
                 ret = posix_make_ancestral_node (priv_base_path, path, pathsize,
                                                  head, "/", &iabuf, inode, type,
                                                  xdata);
+                if (ret < 0)
+                        *op_errno = ENOMEM;
                 return ret;
         }
 
@@ -149,9 +152,12 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
 
         len = readlink (dir_handle, linkname, PATH_MAX);
         if (len < 0) {
-                gf_msg (this->name, GF_LOG_ERROR, errno, P_MSG_READLINK_FAILED,
-                        "could not read the link from the gfid handle %s ",
-                        dir_handle);
+                gf_msg (this->name, (errno == ENOENT || errno == ESTALE)
+                        ? GF_LOG_DEBUG:GF_LOG_ERROR, errno,
+                        P_MSG_READLINK_FAILED, "could not read the link from "
+                        "the gfid handle %s ", dir_handle);
+                ret = -1;
+                *op_errno = errno;
                 goto out;
         }
 
@@ -165,7 +171,7 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
         ret = posix_make_ancestryfromgfid (this, path, pathsize, head, type,
                                            tmp_gfid, handle_size,
                                            priv_base_path, itable, parent,
-                                           xdata);
+                                           xdata, op_errno);
         if (ret < 0) {
                 goto out;
         }
@@ -174,6 +180,7 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
 
         inode = posix_resolve (this, itable, *parent, dir_name, &iabuf);
         if (inode == NULL) {
+                *op_errno = ESTALE;
                 ret = -1;
                 goto out;
         }
diff --git a/xlators/storage/posix/src/posix-handle.h b/xlators/storage/posix/src/posix-handle.h
index 356b7b9..76ef854 100644
--- a/xlators/storage/posix/src/posix-handle.h
+++ b/xlators/storage/posix/src/posix-handle.h
@@ -260,7 +260,7 @@ posix_make_ancestryfromgfid (xlator_t *this, char *path, int pathsize,
                              const size_t handle_size,
                              const char *priv_base_path,
                              inode_table_t *table, inode_t **parent,
-                             dict_t *xdata);
+                             dict_t *xdata, int32_t *op_errno);
 int
 posix_handle_path_safe (xlator_t *this, uuid_t gfid, const char *basename,
                         char *buf, size_t len);
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index 58f68eb..60acac4 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -3482,7 +3482,8 @@ posix_get_ancestry_directory (xlator_t *this, inode_t *leaf_inode,
                                            type | POSIX_ANCESTRY_PATH,
                                            leaf_inode->gfid,
                                            handle_size, priv->base_path,
-                                           leaf_inode->table, &inode, xdata);
+                                           leaf_inode->table, &inode, xdata,
+                                           op_errno);
         if (ret < 0)
                 goto out;
 
@@ -3736,7 +3737,7 @@ posix_get_ancestry_non_directory (xlator_t *this, inode_t *leaf_inode,
                                                       handle_size,
                                                       priv->base_path,
                                                       leaf_inode->table,
-                                                      &parent, xdata);
+                                                      &parent, xdata, op_errno);
                 if (op_ret < 0) {
                         goto next;
                 }
-- 
1.7.1