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Linux/fs/cramfs/Kconfig

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Diff markup

Differences between /fs/cramfs/Kconfig (Version linux-6.11.5) and /fs/cramfs/Kconfig (Version linux-4.13.16)


  1 # SPDX-License-Identifier: GPL-2.0-only        << 
  2 config CRAMFS                                       1 config CRAMFS
  3         tristate "Compressed ROM file system s !!   2         tristate "Compressed ROM file system support (cramfs) (OBSOLETE)"
                                                   >>   3         depends on BLOCK
  4         select ZLIB_INFLATE                         4         select ZLIB_INFLATE
  5         help                                        5         help
  6           Saying Y here includes support for C      6           Saying Y here includes support for CramFs (Compressed ROM File
  7           System).  CramFs is designed to be a      7           System).  CramFs is designed to be a simple, small, and compressed
  8           file system for ROM based embedded s      8           file system for ROM based embedded systems.  CramFs is read-only,
  9           limited to 256MB file systems (with       9           limited to 256MB file systems (with 16MB files), and doesn't support
 10           16/32 bits uid/gid, hard links and t     10           16/32 bits uid/gid, hard links and timestamps.
 11                                                    11 
 12           See <file:Documentation/filesystems/ !!  12           See <file:Documentation/filesystems/cramfs.txt> and
 13           <file:fs/cramfs/README> for further      13           <file:fs/cramfs/README> for further information.
 14                                                    14 
 15           To compile this as a module, choose      15           To compile this as a module, choose M here: the module will be called
 16           cramfs.  Note that the root file sys     16           cramfs.  Note that the root file system (the one containing the
 17           directory /) cannot be compiled as a     17           directory /) cannot be compiled as a module.
 18                                                    18 
 19           This filesystem is limited in capabi !!  19           This filesystem is obsoleted by SquashFS, which is much better
 20           purpose to remain small and low on R !!  20           in terms of performance and features.
 21           for small embedded systems. If you h << 
 22           consider a more capable compressed f << 
 23           which is much better in terms of per << 
 24                                                << 
 25           If unsure, say N.                    << 
 26                                                << 
 27 config CRAMFS_BLOCKDEV                         << 
 28         bool "Support CramFs image over a regu << 
 29         depends on CRAMFS && BLOCK             << 
 30         default y                              << 
 31         help                                   << 
 32           This option allows the CramFs driver << 
 33           block device such a disk partition o << 
 34                                                << 
 35 config CRAMFS_MTD                              << 
 36         bool "Support CramFs image directly ma << 
 37         depends on CRAMFS && CRAMFS <= MTD     << 
 38         default y if !CRAMFS_BLOCKDEV          << 
 39         help                                   << 
 40           This option allows the CramFs driver << 
 41           a linear addressed memory range (usu << 
 42           like flash) instead of going through << 
 43           This saves some memory since no inte << 
 44           necessary.                           << 
 45                                                << 
 46           The location of the CramFs image is  << 
 47           MTD device capable of direct memory  << 
 48           the 'physmap' map driver or a result << 
 49           For example, this would mount the cr << 
 50           the MTD partition named "xip_fs" on  << 
 51                                                << 
 52           mount -t cramfs mtd:xip_fs /mnt      << 
 53                                                    21 
 54           If unsure, say N.                        22           If unsure, say N.
                                                      

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