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Top Forums UNIX for Dummies Questions & Answers What is /dev/mapper used for? Post 302846629 by rupeshkp728 on Sunday 25th of August 2013 05:18:22 AM
Old 08-25-2013
What is /dev/mapper used for?

I see a folder named "mapper" in /dev.
This folder "mapper" has some soft link to other folders.

What is mapper folder used for?
 

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LIBMTP_folder_struct(3) 					      libmtp						   LIBMTP_folder_struct(3)

NAME
libmtp - LIBMTP_folder_struct SYNOPSIS
#include <libmtp.h> Data Fields uint32_t folder_id uint32_t parent_id uint32_t storage_id char * name LIBMTP_folder_t * sibling LIBMTP_folder_t * child Detailed Description MTP Folder structure Examples: delfile.c, folders.c, getfile.c, newfolder.c, sendfile.c, and sendtr.c. Field Documentation LIBMTP_folder_t* LIBMTP_folder_struct::child Child folder or NULL if no children Examples: folders.c. Referenced by LIBMTP_destroy_folder_t(), LIBMTP_Find_Folder(), and LIBMTP_Get_Folder_List_For_Storage(). uint32_t LIBMTP_folder_struct::folder_id Unique folder ID Examples: folders.c. Referenced by LIBMTP_Find_Folder(), LIBMTP_Get_Folder_List_For_Storage(), LIBMTP_new_folder_t(), and LIBMTP_Set_Folder_Name(). char* LIBMTP_folder_struct::name Name of folder Examples: folders.c. Referenced by LIBMTP_destroy_folder_t(), LIBMTP_Get_Folder_List_For_Storage(), and LIBMTP_Set_Folder_Name(). uint32_t LIBMTP_folder_struct::parent_id ID of parent folder Referenced by LIBMTP_Get_Folder_List_For_Storage(). LIBMTP_folder_t* LIBMTP_folder_struct::sibling Next folder at same level or NULL if no more Examples: folders.c. Referenced by LIBMTP_destroy_folder_t(), LIBMTP_Find_Folder(), and LIBMTP_Get_Folder_List_For_Storage(). uint32_t LIBMTP_folder_struct::storage_id ID of storage holding this folder Referenced by LIBMTP_Get_Folder_List_For_Storage(). Author Generated automatically by Doxygen for libmtp from the source code. Version 1.1.3 Sun Feb 17 2013 LIBMTP_folder_struct(3)
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