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 * @param altroot   If non-empty, will be used instead of rootfs as the root
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 * @param altroot   If non-empty, will be used instead of rootfs as the root
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 *          of the whole VFS tree.
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 *          of the whole VFS tree.
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 *
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 *
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 * @return      EOK on success or an error code from errno.h.
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 * @return      EOK on success or an error code from errno.h.
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 */
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 */
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int vfs_lookup_internal(char *path, size_t len, vfs_node_t *result,
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int vfs_lookup_internal(char *path, size_t len, vfs_triplet_t *result,
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    vfs_node_t *altroot)
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    vfs_pair_t *altroot)
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{
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{
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    vfs_node_t *root;
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    vfs_pair_t *root;
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    if (!len)
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    if (!len)
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        return EINVAL;
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        return EINVAL;
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    if (altroot)
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    if (altroot)
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        root = altroot;
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        root = altroot;
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    else
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    else
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        root = &rootfs;
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        root = (vfs_pair_t *) &rootfs;
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    if (!root->fs_handle)
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    if (!root->fs_handle)
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        return ENOENT;
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        return ENOENT;
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    futex_down(&plb_futex);
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    futex_down(&plb_futex);