diff options
Diffstat (limited to 'xlators/cluster/afr/src/afr-inode-read.c')
| -rw-r--r-- | xlators/cluster/afr/src/afr-inode-read.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c index 162c7eed47b..5b534cf3742 100644 --- a/xlators/cluster/afr/src/afr-inode-read.c +++ b/xlators/cluster/afr/src/afr-inode-read.c @@ -890,6 +890,137 @@ out: return 0; } +/* {{{ fgetxattr */ + + +int32_t +afr_fgetxattr_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; + int32_t *last_index = NULL; + int32_t next_call_child = -1; + int32_t read_child = -1; + int32_t *fresh_children = NULL; + + priv = this->private; + children = priv->children; + + local = frame->local; + + read_child = (long) cookie; + + if (op_ret == -1) { + last_index = &local->cont.getxattr.last_index; + fresh_children = local->fresh_children; + next_call_child = afr_next_call_child (fresh_children, + local->child_up, + priv->child_count, + last_index, read_child); + if (next_call_child < 0) + goto out; + + unwind = 0; + STACK_WIND_COOKIE (frame, afr_fgetxattr_cbk, + (void *) (long) read_child, + children[next_call_child], + children[next_call_child]->fops->fgetxattr, + local->fd, + local->cont.getxattr.name); + } + +out: + if (unwind) { + if (op_ret >= 0 && dict) + __filter_xattrs (dict); + + AFR_STACK_UNWIND (fgetxattr, frame, op_ret, op_errno, dict); + } + + return 0; +} + +int32_t +afr_fgetxattr_unwind (call_frame_t *frame, + int op_ret, int op_errno, dict_t *dict) + +{ + AFR_STACK_UNWIND (fgetxattr, frame, op_ret, op_errno, dict); + return 0; +} + +int32_t +afr_fgetxattr (call_frame_t *frame, xlator_t *this, + fd_t *fd, const char *name) +{ + afr_private_t *priv = NULL; + xlator_t **children = NULL; + int call_child = 0; + afr_local_t *local = NULL; + int32_t op_ret = -1; + int32_t op_errno = 0; + int32_t read_child = -1; + + + VALIDATE_OR_GOTO (frame, out); + VALIDATE_OR_GOTO (this, out); + VALIDATE_OR_GOTO (this->private, out); + + priv = this->private; + VALIDATE_OR_GOTO (priv->children, out); + + children = priv->children; + + ALLOC_OR_GOTO (local, afr_local_t, out); + frame->local = local; + + op_ret = afr_local_init (local, priv, &op_errno); + if (op_ret < 0) { + op_errno = -op_ret; + goto out; + } + + local->fd = fd_ref (fd); + if (name) + local->cont.getxattr.name = gf_strdup (name); + + /* pathinfo gets handled only in getxattr() */ + + local->fresh_children = afr_children_create (priv->child_count); + if (!local->fresh_children) { + op_errno = ENOMEM; + goto out; + } + + read_child = afr_inode_get_read_ctx (this, fd->inode, local->fresh_children); + op_ret = afr_get_call_child (this, local->child_up, read_child, + local->fresh_children, + &call_child, + &local->cont.getxattr.last_index); + if (op_ret < 0) { + op_errno = -op_ret; + op_ret = -1; + goto out; + } + + STACK_WIND_COOKIE (frame, afr_fgetxattr_cbk, + (void *) (long) call_child, + children[call_child], + children[call_child]->fops->fgetxattr, + fd, name); + + op_ret = 0; +out: + if (op_ret == -1) { + AFR_STACK_UNWIND (fgetxattr, frame, op_ret, op_errno, NULL); + } + return 0; +} + /* }}} */ |