        Cramfs -  ROM ˥ե륷ƥͤ

cramfs ñǾΤǡŪΤΤŪ˰̤褦߷פ
Ƥޤ

٤˥եΰڡ򰵽̤뤿ˡzlib 롼ѤǤ
ΥڡԤޤ᥿ǡϰ̤ޤ󤬡Υե
륷ƥ꾯ʤǥڡȤ褦ˤ뤿ˡȤƤ
ɽǽ񤫤ޤ

cramfs ե륷ƥ˽񤭹ߤϤǤޤ (򰵽̲ǽǾ
ư˹뤳Ȥ *ȤƤ* Ǥ)ä
scripts/cramfs  "mkcramfs" 桼ƥƥѤƥǥ᡼
ʤФʤޤ


Ѿ
------------

ե륵 16MB ̤¤ޤ

ե륷ƥκ祵 256MB Ǥ(ե륷ƥκǸ
ե 256MB Ķ뤳ȤǤޤ) (mkcramfs.c ΥȹԤ
ϡROM  64MB ޤǤ¤礬Ƚ񤫤Ƥޤ
¤cramfs ɤˤϤƤϤޤޤ)

gid β 8 ӥåȤǼޤmkcramfs θǤñ 8 ӥ
ȤڤͤΤǡŪʥƥ꤬ޤ

ϡɥ󥯤ϥݡȤƤޤϡɥ󥯤줿եϡ
cramfs ᡼ 1 Υ󥯥ȤΤޤޤǤ

Cramfs ǥ쥯ȥ `.' ⤷ `..' ޤ(cramfs Τ
ƤΥեƱͤ) ǥ쥯ȥΥ󥯥ȤϾ 1 Ǥ(;
Ǥ `find'  -noleaf ȤɬפϤޤ)

cramfs ǥॹפϳǼƤʤΤǡưŪ˵ (1970 GMT)
ˤʤޤƴ֤ʤեϥॹפƤ
뤫⤷ޤ󤬡ι³Τ inode ˥å
Ƥ֤ǡθ奿ॹפ 1970 ޤĤޤ
չԤޤ

ߡcramfs ƱǥΥƥǽ񤭹ߤɤ߽
ʤФʤ餺PAGE_CACHE_SIZE == 4096 ʥͥɤळȤ
ǤޤΤʤȤԤϥХǤɤνˡϤޤ
ޤäƤޤ󡣤ꡢ礭ʥڡɬפʾ硢Υͥ
ǥե륷ƥबɤ߽Фʤʤ뤳Ȥ򵤤ˤʤСmkcramfs.c
 #define ΤäȤѹǤǤޤ


/usr/share/magic 
-------------------

0	long	0x28cd3d45	Linux cramfs
>4	long	x		size %d
>8	long	x		flags 0x%x
>12	long	x		future 0x%x
>16	string	>\0		signature "%.16s"
>32	long	x		fsid.crc 0x%x
>36	long	x		fsid.edition %d
>40	long	x		fsid.blocks %d
>44	long	x		fsid.files %d
>48	string	>\0		name "%.16s"


ϥåؤ
----------------

ե륷ƥΥ쥤ȤӼդ fs/cramfs/README 򻲾
Ƥ
======================================================================
ܸܹ <hng@ps.ksky.ne.jp>
    azure <azure@kcc.zaq.ne.jp>
          Ϻ <s_sakai@mxn.mesh.ne.jp>
          ë鳨 <jeanne@mbox.kyoto-inet.or.jp>
