cluster/afr: set fd ctx on opendir

Change-Id: Ica845035781f47de990e9dcfefdeb37bed99d515
BUG: 3637
Reviewed-on: http://review.gluster.com/536
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>

4 files changed, 59 insertions, 39 deletions

diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 0131feaa075..afff0517e7f 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -3813,3 +3813,37 @@ afr_set_low_priority (call_frame_t *frame)
 {
         frame->root->pid = LOW_PRIO_PROC_PID;
 }
+
+int
+afr_child_fd_ctx_set (xlator_t *this, fd_t *fd, int32_t child,
+                      int flags, int32_t wbflags)
+{
+        int             ret = 0;
+        uint64_t        ctx = 0;
+        afr_fd_ctx_t    *fd_ctx      = NULL;
+
+        GF_ASSERT (fd && fd->inode);
+        ret = afr_fd_ctx_set (this, fd);
+        if (ret < 0) {
+                gf_log (this->name, GF_LOG_ERROR,
+                        "could not set fd ctx for fd=%p", fd);
+                goto out;
+        }
+
+        ret = fd_ctx_get (fd, this, &ctx);
+        if (ret < 0) {
+                gf_log (this->name, GF_LOG_ERROR,
+                        "could not get fd ctx for fd=%p", fd);
+                goto out;
+        }
+
+        fd_ctx = (afr_fd_ctx_t *)(long) ctx;
+        fd_ctx->opened_on[child] = AFR_FD_OPENED;
+        if (!IA_ISDIR (fd->inode->ia_type)) {
+                fd_ctx->flags            = flags;
+                fd_ctx->wbflags          = wbflags;
+        }
+        ret = 0;
+out:
+        return ret;
+}
diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c
index 57f0a03fa6a..f2e6760cfd7 100644
--- a/xlators/cluster/afr/src/afr-dir-read.c
+++ b/xlators/cluster/afr/src/afr-dir-read.c
@@ -229,20 +229,31 @@ afr_opendir_cbk (call_frame_t *frame, void *cookie,
         int32_t        up_children_count = 0;
         int            ret               = -1;
         int            call_count        = -1;
+        int32_t        child_index       = 0;
 
         priv  = this->private;
         local = frame->local;
+        child_index = (long) cookie;
 
         up_children_count = afr_up_children_count (local->child_up,
                                                    priv->child_count);
 
         LOCK (&frame->lock);
         {
-                if (op_ret >= 0)
+                if (op_ret >= 0) {
                         local->op_ret = op_ret;
+                        ret = afr_child_fd_ctx_set (this, fd, child_index,
+                                                    0, 0);
+                        if (ret) {
+                                local->op_ret = -1;
+                                local->op_errno = -ret;
+                                goto unlock;
+                        }
+                }
 
                 local->op_errno = op_errno;
         }
+unlock:
         UNLOCK (&frame->lock);
 
         call_count = afr_frame_return (frame);
@@ -251,15 +262,6 @@ afr_opendir_cbk (call_frame_t *frame, void *cookie,
                 if (local->op_ret != 0)
                         goto out;
 
-                ret = afr_fd_ctx_set (this, local->fd);
-                if (ret) {
-                        local->op_ret = -1;
-                        local->op_errno = -1;
-                        gf_log (this->name, GF_LOG_ERROR,
-                                "failed to set fd ctx for fd %p",
-                                local->fd);
-                        goto out;
-                }
                 if (!afr_is_opendir_done (this, local->fd->inode) &&
                     up_children_count > 1) {
 
@@ -332,10 +334,11 @@ afr_opendir (call_frame_t *frame, xlator_t *this,
 
         for (i = 0; i < child_count; i++) {
                 if (local->child_up[i]) {
-                        STACK_WIND (frame, afr_opendir_cbk,
-                                    priv->children[i],
-                                    priv->children[i]->fops->opendir,
-                                    loc, fd);
+                        STACK_WIND_COOKIE (frame, afr_opendir_cbk,
+                                           (void*) (long) i,
+                                           priv->children[i],
+                                           priv->children[i]->fops->opendir,
+                                           loc, fd);
 
                         if (!--call_count)
                                 break;
diff --git a/xlators/cluster/afr/src/afr-open.c b/xlators/cluster/afr/src/afr-open.c
index 4075c272408..646d23ccb53 100644
--- a/xlators/cluster/afr/src/afr-open.c
+++ b/xlators/cluster/afr/src/afr-open.c
@@ -143,8 +143,6 @@ afr_open_cbk (call_frame_t *frame, void *cookie,
               fd_t *fd)
 {
         afr_local_t *  local       = NULL;
-        uint64_t       ctx         = 0;
-        afr_fd_ctx_t  *fd_ctx      = NULL;
         int            ret         = 0;
         int            call_count  = -1;
         int            child_index = (long) cookie;
@@ -163,32 +161,14 @@ afr_open_cbk (call_frame_t *frame, void *cookie,
                         local->op_ret = op_ret;
                         local->success_count++;
 
-                        ret = afr_fd_ctx_set (this, fd);
-
-                        if (ret < 0) {
-                                gf_log (this->name, GF_LOG_ERROR,
-                                        "could not set fd ctx for fd=%p", fd);
-
-                                local->op_ret   = -1;
-                                local->op_errno = -ret;
-                                goto unlock;
-                        }
-
-                        ret = fd_ctx_get (fd, this, &ctx);
-
-                        if (ret < 0) {
-                                gf_log (this->name, GF_LOG_ERROR,
-                                        "could not get fd ctx for fd=%p", fd);
-                                local->op_ret   = -1;
+                        ret = afr_child_fd_ctx_set (this, fd, child_index,
+                                                    local->cont.open.flags,
+                                                    local->cont.open.wbflags);
+                        if (ret) {
+                                local->op_ret = -1;
                                 local->op_errno = -ret;
                                 goto unlock;
                         }
-
-                        fd_ctx = (afr_fd_ctx_t *)(long) ctx;
-
-                        fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
-                        fd_ctx->flags                  = local->cont.open.flags;
-                        fd_ctx->wbflags                = local->cont.open.wbflags;
                 }
         }
 unlock:
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 0f4db7d91f1..7320c8d7cf3 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -1027,4 +1027,7 @@ afr_data_self_heal_enabled (char *data_self_heal);
 
 void
 afr_set_low_priority (call_frame_t *frame);
+int
+afr_child_fd_ctx_set (xlator_t *this, fd_t *fd, int32_t child,
+                      int flags, int32_t wb_flags);
 #endif /* __AFR_H__ */