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#include <async.h>
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#include <async.h>
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <as.h>
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#include <as.h>
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#include <assert.h>
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#include <assert.h>
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#include <dirent.h>
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#include <dirent.h>
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#include <mem.h>
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/** Register file system server.
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/** Register file system server.
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 *
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 *
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 * This function abstracts away the tedious registration protocol from
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 * This function abstracts away the tedious registration protocol from
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 * file system implementations and lets them to reuse this registration glue
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 * file system implementations and lets them to reuse this registration glue
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/** Lookup VFS triplet by name in the file system name space.
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/** Lookup VFS triplet by name in the file system name space.
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 *
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 *
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 * The path passed in the PLB must be in the canonical file system path format
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 * The path passed in the PLB must be in the canonical file system path format
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 * as returned by the canonify() function.
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 * as returned by the canonify() function.
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 *
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 *
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 * @param ops       libfs operations structure with function pointers to
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 * @param ops       libfs operations structure with function pointers to
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 *          file system implementation
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 *                  file system implementation
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 * @param fs_handle File system handle of the file system where to perform
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 * @param fs_handle File system handle of the file system where to perform
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 *          the lookup.
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 *                  the lookup.
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 * @param rid       Request ID of the VFS_LOOKUP request.
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 * @param rid       Request ID of the VFS_LOOKUP request.
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 * @param request   VFS_LOOKUP request data itself.
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 * @param request   VFS_LOOKUP request data itself.
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 *
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 */
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 */
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void libfs_lookup(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid,
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void libfs_lookup(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid,
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    ipc_call_t *request)
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    ipc_call_t *request)
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{
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{
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    unsigned first = IPC_GET_ARG1(*request);
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    unsigned first = IPC_GET_ARG1(*request);
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        ops->node_put(cur);
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        ops->node_put(cur);
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    if (tmp)
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    if (tmp)
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        ops->node_put(tmp);
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        ops->node_put(tmp);
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}
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}
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/** Open VFS triplet.
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 *
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 * @param ops       libfs operations structure with function pointers to
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 *                  file system implementation
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 * @param rid       Request ID of the VFS_OPEN_NODE request.
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 * @param request   VFS_OPEN_NODE request data itself.
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 *
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 */
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void libfs_open_node(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid,
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    ipc_call_t *request)
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{
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    dev_handle_t dev_handle = IPC_GET_ARG1(*request);
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    fs_index_t index = IPC_GET_ARG2(*request);
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    fs_node_t *node = ops->node_get(dev_handle, index);
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    if (node == NULL) {
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        ipc_answer_0(rid, ENOENT);
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        return;
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    }
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    ipc_answer_5(rid, EOK, fs_handle, dev_handle, index,
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        ops->size_get(node), ops->lnkcnt_get(node));
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    ops->node_put(node);
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}
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/** @}
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/** @}
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 */
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 */