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linux-vybrid_pu...
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fs
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ubifs
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Kconfig

Kconfig 2.1 KB
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  1. config UBIFS_FS
    2. 

  2. 	tristate "UBIFS file system support"
    3. 

  3. 	select CRC16
    4. 

  4. 	select CRC32
    5. 

  5. 	select CRYPTO if UBIFS_FS_ADVANCED_COMPR
    6. 

  6. 	select CRYPTO if UBIFS_FS_LZO
    7. 

  7. 	select CRYPTO if UBIFS_FS_ZLIB
    8. 

  8. 	select CRYPTO_LZO if UBIFS_FS_LZO
    9. 

  9. 	select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
    10. 

  10. 	depends on MTD_UBI
    11. 

  11. 	help
    12. 

  12. 	  UBIFS is a file system for flash devices which works on top of UBI.
    13. 

  13. 

  14. config UBIFS_FS_XATTR
    15. 

  15. 	bool "Extended attributes support"
    16. 

  16. 	depends on UBIFS_FS
    17. 

  17. 	help
    18. 

  18. 	  This option enables support of extended attributes.
    19. 

  19. 

  20. config UBIFS_FS_ADVANCED_COMPR
    21. 

  21. 	bool "Advanced compression options"
    22. 

  22. 	depends on UBIFS_FS
    23. 

  23. 	help
    24. 

  24. 	  This option allows to explicitly choose which compressions, if any,
    25. 

  25. 	  are enabled in UBIFS. Removing compressors means inability to read
    26. 

  26. 	  existing file systems.
    27. 

  27. 

  28. 	  If unsure, say 'N'.
    29. 

  29. 

  30. config UBIFS_FS_LZO
    31. 

  31. 	bool "LZO compression support" if UBIFS_FS_ADVANCED_COMPR
    32. 

  32. 	depends on UBIFS_FS
    33. 

  33. 	default y
    34. 

  34. 	help
    35. 

  35. 	   LZO compressor is generally faster than zlib but compresses worse.
    36. 

  36. 	   Say 'Y' if unsure.
    37. 

  37. 

  38. config UBIFS_FS_ZLIB
    39. 

  39. 	bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
    40. 

  40. 	depends on UBIFS_FS
    41. 

  41. 	default y
    42. 

  42. 	help
    43. 

  43. 	  Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
    44. 

  44. 

  45. # Debugging-related stuff
    46. 

  46. config UBIFS_FS_DEBUG
    47. 

  47. 	bool "Enable debugging"
    48. 

  48. 	depends on UBIFS_FS
    49. 

  49. 	select DEBUG_FS
    50. 

  50. 	select KALLSYMS_ALL
    51. 

  51. 	help
    52. 

  52. 	  This option enables UBIFS debugging.
    53. 

  53. 

  54. config UBIFS_FS_DEBUG_MSG_LVL
    55. 

  55. 	int "Default message level (0 = no extra messages, 3 = lots)"
    56. 

  56. 	depends on UBIFS_FS_DEBUG
    57. 

  57. 	default "0"
    58. 

  58. 	help
    59. 

  59. 	  This controls the amount of debugging messages produced by UBIFS.
    60. 

  60. 	  If reporting bugs, please try to have available a full dump of the
    61. 

  61. 	  messages at level 1 while the misbehaviour was occurring. Level 2
    62. 

  62. 	  may become necessary if level 1 messages were not enough to find the
    63. 

  63. 	  bug. Generally Level 3 should be avoided.
    64. 

  64. 

  65. config UBIFS_FS_DEBUG_CHKS
    66. 

  66. 	bool "Enable extra checks"
    67. 

  67. 	depends on UBIFS_FS_DEBUG
    68. 

  68. 	help
    69. 

  69. 	  If extra checks are enabled UBIFS will check the consistency of its
    70. 

  70. 	  internal data structures during operation. However, UBIFS performance
    71. 

  71. 	  is dramatically slower when this option is selected especially if the
    72. 

  72. 	  file system is large.
    73.