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This file was processed as: Tape Archive
(archive/tar).
You can browse this item here: efsmod-0
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| Tape Archive (archive/tar)
| magic
| Supported |
| 100%
| file
| POSIX tar archive (GNU)
| default
| |
| 99%
| file
| POSIX tar archive (GNU), directory efsmod-0.6/, mode 40755 , uid 2126 , gid 24 , size 0 , seconds 6151620363, user chris, group user
| default
| |
| 98%
| file
| data
| default
| |
| 62%
| TrID
| TAR - Tape ARchive (GNU)
| default
| |
| 37%
| TrID
| TAR - Tape ARchive (directory)
| default
| |
| 100%
| siegfried
| x-fmt/265 Tape Archive Format
| default
| |
| 100%
| lsar
| Tar
| default
| |
| 100%
| gt2
| TAR Archiv gefunden (Auflistung ist deaktiviert)
| default
| |
| 100%
| disktype
| GNU tar archive
| default
| |
| 100%
| detectItEasy
| Archive: tar
| default
| |
| 100%
| binwalkID
| POSIX tar archive (GNU), owner user name: ".6/"
| default
| |
| 100%
| xdgMime
| application/x-tar
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
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|00000210| 69 6c 65 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |ile.....|........|
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|00000400| 23 0a 23 20 4d 61 6b 65 | 66 69 6c 65 20 66 6f 72 |#.# Make|file for|
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|00000420| 23 0a 23 20 6d 61 6b 65 | 20 20 20 20 20 20 2d 20 |#.# make| - |
|00000430| 63 6f 6d 70 69 6c 65 20 | 74 68 65 20 6d 6f 64 75 |compile |the modu|
|00000440| 6c 65 0a 23 20 6d 61 6b | 65 20 69 6e 73 20 20 2d |le.# mak|e ins -|
|00000450| 20 69 6e 73 74 61 6c 6c | 20 61 20 43 44 52 4f 4d | install| a CDROM|
|00000460| 20 69 6e 20 74 65 73 74 | 20 64 69 72 65 63 74 6f | in test| directo|
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|00000480| 20 72 65 6d 6f 76 65 20 | 74 68 65 20 43 44 52 4f | remove |the CDRO|
|00000490| 4d 20 6d 6f 75 6e 74 65 | 64 20 6f 6e 20 74 65 73 |M mounte|d on tes|
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|000004b0| 6b 65 20 74 65 73 74 20 | 2d 20 73 68 6f 72 74 20 |ke test |- short |
|000004c0| 74 65 73 74 20 66 6f 72 | 20 64 65 62 75 67 67 69 |test for| debuggi|
|000004d0| 6e 67 0a 0a 23 20 53 45 | 54 20 54 48 45 20 4d 4f |ng..# SE|T THE MO|
|000004e0| 44 55 4c 45 20 4e 41 4d | 45 20 48 45 52 45 3a 0a |DULE NAM|E HERE:.|
|000004f0| 4d 4f 44 55 4c 45 20 3d | 20 65 66 73 2e 6f 0a 23 |MODULE =| efs.o.#|
|00000500| 20 53 45 54 20 59 4f 55 | 52 20 43 44 52 4f 4d 20 | SET YOU|R CDROM |
|00000510| 44 45 56 49 43 45 20 48 | 45 52 45 3a 0a 43 44 52 |DEVICE H|ERE:.CDR|
|00000520| 4f 4d 20 20 3d 20 73 63 | 64 30 0a 0a 43 46 4c 41 |OM = sc|d0..CFLA|
|00000530| 47 53 20 3d 20 2d 44 5f | 5f 4b 45 52 4e 45 4c 5f |GS = -D_|_KERNEL_|
|00000540| 5f 20 2d 49 2f 75 73 72 | 2f 73 72 63 2f 6c 69 6e |_ -I/usr|/src/lin|
|00000550| 75 78 2f 69 6e 63 6c 75 | 64 65 20 2d 57 61 6c 6c |ux/inclu|de -Wall|
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|00000590| 69 70 65 20 2d 6d 34 38 | 36 20 2d 44 4d 4f 44 55 |ipe -m48|6 -DMODU|
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|000005e0| 6c 65 2e 6f 20 73 79 6d | 6c 69 6e 6b 2e 6f 0a 0a |le.o sym|link.o..|
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|00000630| 68 0a 0a 63 6c 65 61 6e | 3a 0a 09 2d 72 6d 20 2a |h..clean|:..-rm *|
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|00000690| 74 3b 20 2f 73 62 69 6e | 2f 72 6d 6d 6f 64 20 65 |t; /sbin|/rmmod e|
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|00000800| 65 66 73 6d 6f 64 2d 30 | 2e 36 2f 52 45 41 44 4d |efsmod-0|.6/READM|
|00000810| 45 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |E.......|........|
|00000820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000840| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000890| 35 33 30 20 20 31 32 30 | 34 37 00 20 30 00 00 00 |530 120|47. 0...|
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|000008b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|000008e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000900| 00 75 73 74 61 72 20 20 | 00 63 68 72 69 73 00 00 |.ustar |.chris..|
|00000910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|000009e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00000a00| 52 45 41 44 4d 45 0a 0a | 45 46 53 4d 4f 44 20 2d |README..|EFSMOD -|
|00000a10| 20 4c 6f 61 64 61 62 6c | 65 20 46 69 6c 65 73 79 | Loadabl|e Filesy|
|00000a20| 73 74 65 6d 20 4d 6f 64 | 75 6c 65 20 66 6f 72 20 |stem Mod|ule for |
|00000a30| 4c 69 6e 75 78 0a 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |Linux.==|========|
|00000a40| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000a50| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000a60| 3d 3d 3d 0a 0a 0a 57 48 | 41 54 20 49 54 20 44 4f |===...WH|AT IT DO|
|00000a70| 45 53 20 3f 0a 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |ES ?.---|--------|
|00000a80| 2d 2d 2d 0a 54 68 65 20 | 65 66 73 2e 6f 20 69 73 |---.The |efs.o is|
|00000a90| 20 61 20 6c 6f 61 64 61 | 62 6c 65 20 6d 6f 64 75 | a loada|ble modu|
|00000aa0| 6c 65 20 66 6f 72 20 74 | 68 65 20 4c 69 6e 75 78 |le for t|he Linux|
|00000ab0| 20 6b 65 72 6e 65 6c 2e | 0a 49 74 20 61 64 64 73 | kernel.|.It adds|
|00000ac0| 20 61 20 6e 65 77 20 28 | 72 65 61 64 2d 6f 6e 6c | a new (|read-onl|
|00000ad0| 79 29 20 66 69 6c 65 73 | 79 73 74 65 6d 20 63 61 |y) files|ystem ca|
|00000ae0| 6c 6c 65 64 20 65 66 73 | 2c 20 0a 77 68 69 63 68 |lled efs|, .which|
|00000af0| 20 61 6c 6c 6f 77 73 20 | 79 6f 75 20 74 6f 20 6d | allows |you to m|
|00000b00| 6f 75 6e 74 20 65 66 73 | 2d 43 44 52 4f 4d 73 20 |ount efs|-CDROMs |
|00000b10| 6f 6e 20 79 6f 75 72 20 | 4c 69 6e 75 78 20 62 6f |on your |Linux bo|
|00000b20| 78 2e 0a 54 68 65 20 45 | 46 53 20 28 65 78 74 65 |x..The E|FS (exte|
|00000b30| 6e 64 65 64 20 66 69 6c | 65 73 79 73 74 65 6d 29 |nded fil|esystem)|
|00000b40| 20 77 61 73 20 64 65 76 | 65 6c 6f 70 65 64 20 62 | was dev|eloped b|
|00000b50| 79 20 0a 53 69 6c 69 63 | 6f 6e 20 47 72 61 70 68 |y .Silic|on Graph|
|00000b60| 69 63 73 28 54 4d 29 20 | 61 6e 64 20 69 73 20 75 |ics(TM) |and is u|
|00000b70| 73 65 64 20 66 6f 72 20 | 61 6c 6c 20 73 74 6f 72 |sed for |all stor|
|00000b80| 61 67 65 20 64 65 76 69 | 63 65 73 0a 61 6e 64 20 |age devi|ces.and |
|00000b90| 73 6f 20 61 6c 73 6f 20 | 66 6f 72 20 74 68 65 69 |so also |for thei|
|00000ba0| 72 20 73 6f 66 74 77 61 | 72 65 20 64 69 73 74 72 |r softwa|re distr|
|00000bb0| 69 62 75 74 69 6f 6e 20 | 43 44 52 4f 4d 73 2e 0a |ibution |CDROMs..|
|00000bc0| 0a 0a 57 48 59 20 3f 0a | 2d 2d 2d 2d 2d 0a 49 66 |..WHY ?.|-----.If|
|00000bd0| 20 79 6f 75 20 68 61 76 | 65 20 61 20 4e 65 74 77 | you hav|e a Netw|
|00000be0| 6f 72 6b 20 77 69 74 68 | 20 73 6f 6d 65 20 53 47 |ork with| some SG|
|00000bf0| 49 73 20 63 6f 6e 6e 65 | 63 74 65 64 20 74 6f 20 |Is conne|cted to |
|00000c00| 69 74 2c 0a 79 6f 75 20 | 63 61 6e 20 6e 6f 77 20 |it,.you |can now |
|00000c10| 75 73 65 20 65 76 65 72 | 79 20 4c 69 6e 75 78 20 |use ever|y Linux |
|00000c20| 62 6f 78 20 28 77 69 74 | 68 20 43 44 52 4f 4d 29 |box (wit|h CDROM)|
|00000c30| 20 61 73 20 61 6e 20 0a | 69 6e 73 74 61 6c 6c 61 | as an .|installa|
|00000c40| 74 69 6f 6e 20 73 65 72 | 76 65 72 2e 0a 0a 0a 52 |tion ser|ver....R|
|00000c50| 45 51 55 49 52 45 4d 45 | 4e 54 53 0a 2d 2d 2d 2d |EQUIREME|NTS.----|
|00000c60| 2d 2d 2d 2d 2d 2d 2d 2d | 0a 2d 20 4c 69 6e 75 78 |--------|.- Linux|
|00000c70| 20 3e 20 31 2e 33 2e 37 | 31 0a 2d 20 54 68 65 20 | > 1.3.7|1.- The |
|00000c80| 64 72 69 76 65 72 20 6f | 66 20 79 6f 75 72 20 43 |driver o|f your C|
|00000c90| 44 52 4f 4d 20 6d 75 73 | 74 20 62 65 20 61 62 6c |DROM mus|t be abl|
|00000ca0| 65 20 74 6f 20 6f 70 65 | 72 61 74 65 20 77 69 74 |e to ope|rate wit|
|00000cb0| 68 20 35 31 32 20 42 79 | 74 65 20 62 6c 6f 63 6b |h 512 By|te block|
|00000cc0| 73 21 0a 0a 0a 49 4e 53 | 54 41 4c 4c 41 54 49 4f |s!...INS|TALLATIO|
|00000cd0| 4e 0a 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 0a 54 |N.------|------.T|
|00000ce0| 68 65 20 69 6e 73 74 61 | 6c 6c 61 74 69 6f 6e 20 |he insta|llation |
|00000cf0| 69 73 20 76 65 72 79 20 | 73 69 6d 70 6c 65 3a 0a |is very |simple:.|
|00000d00| 0a 30 29 20 42 65 66 6f | 72 65 20 73 74 61 72 74 |.0) Befo|re start|
|00000d10| 69 6e 67 2c 20 6c 6f 6f | 6b 20 69 66 20 79 6f 75 |ing, loo|k if you|
|00000d20| 20 68 61 76 65 20 61 20 | 77 6f 72 6b 69 6e 67 20 | have a |working |
|00000d30| 22 6d 6f 64 75 6c 65 2d | 65 6e 76 69 72 6f 6e 6d |"module-|environm|
|00000d40| 65 6e 74 22 20 69 6e 73 | 74 61 6c 6c 65 64 0a 20 |ent" ins|talled. |
|00000d50| 20 20 66 6f 72 20 4c 69 | 6e 75 78 2e 20 49 66 20 | for Li|nux. If |
|00000d60| 6e 6f 74 2c 20 69 6e 73 | 74 61 6c 6c 20 6f 6e 65 |not, ins|tall one|
|00000d70| 20 62 65 66 6f 72 65 20 | 70 72 6f 63 65 65 64 69 | before |proceedi|
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|00000d90| 72 20 61 6e 64 20 75 6e | 7a 69 70 20 74 68 65 20 |r and un|zip the |
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|00000dc0| 20 61 6e 64 20 74 79 70 | 65 20 27 6d 61 6b 65 27 | and typ|e 'make'|
|00000dd0| 20 61 6e 64 20 74 68 65 | 20 6d 6f 64 75 6c 65 20 | and the| module |
|00000de0| 27 65 66 73 2e 6f 27 20 | 77 69 6c 6c 20 62 65 20 |'efs.o' |will be |
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|000024a0| 30 3b 0a 20 20 20 20 62 | 6c 6f 63 6b 2b 2b 3b 0a |0;. b|lock++;.|
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|000048f0| 20 20 0a 0a 0a 2f 2a 20 | 2d 2d 2d 2d 2d 20 65 66 | .../* |----- ef|
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|00004a40| 65 6e 64 69 66 0a 20 20 | 20 20 72 65 74 75 72 6e |endif. | return|
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|00004b30| 20 62 6c 6f 63 6b 20 25 | 64 20 3e 20 6d 61 78 20 | block %|d > max |
|00004b40| 25 64 20 3d 3d 20 25 64 | 5c 6e 22 2c 0a 09 20 20 |%d == %d|\n",.. |
|00004b50| 20 62 6c 6f 63 6b 2c 69 | 6e 2d 3e 69 5f 73 69 7a | block,i|n->i_siz|
|00004b60| 65 3e 3e 45 46 53 5f 42 | 4c 4f 43 4b 5f 53 49 5a |e>>EFS_B|LOCK_SIZ|
|00004b70| 45 5f 42 49 54 53 2c 69 | 6e 2d 3e 69 5f 62 6c 6f |E_BITS,i|n->i_blo|
|00004b80| 63 6b 73 29 3b 0a 23 65 | 6e 64 69 66 0a 20 20 20 |cks);.#e|ndif. |
|00004b90| 20 72 65 74 75 72 6e 20 | 30 3b 0a 20 20 7d 0a 0a | return |0;. }..|
|00004ba0| 20 20 72 65 74 75 72 6e | 20 65 66 73 5f 67 65 74 | return| efs_get|
|00004bb0| 62 6c 6b 28 69 6e 2c 62 | 6c 6f 63 6b 29 3b 0a 7d |blk(in,b|lock);.}|
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|00004c00| 65 66 73 6d 6f 64 2d 30 | 2e 36 2f 69 6e 6f 64 65 |efsmod-0|.6/inode|
|00004c10| 2e 63 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.c......|........|
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|00004c80| 20 20 32 34 32 36 34 20 | 20 36 31 35 31 33 36 30 | 24264 | 6151360|
|00004c90| 30 32 35 20 20 31 32 34 | 34 34 00 20 30 00 00 00 |025 124|44. 0...|
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|00004ce0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004cf0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d00| 00 75 73 74 61 72 20 20 | 00 63 68 72 69 73 00 00 |.ustar |.chris..|
|00004d10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d20| 00 00 00 00 00 00 00 00 | 00 75 73 65 72 00 00 00 |........|.user...|
|00004d30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00004e00| 2f 2a 20 69 6e 6f 64 65 | 2e 63 0a 20 2a 20 0a 20 |/* inode|.c. * . |
|00004e10| 2a 20 49 6e 6f 64 65 20 | 61 6e 64 20 53 75 70 65 |* Inode |and Supe|
|00004e20| 72 62 6c 6f 63 6b 20 68 | 61 6e 64 6c 69 6e 67 20 |rblock h|andling |
|00004e30| 66 6f 72 20 74 68 65 20 | 45 46 53 20 66 69 6c 65 |for the |EFS file|
|00004e40| 73 79 73 74 65 6d 0a 20 | 2a 0a 20 2a 20 28 43 29 |system. |*. * (C)|
|00004e50| 20 31 39 39 35 2c 39 36 | 20 43 68 72 69 73 74 69 | 1995,96| Christi|
|00004e60| 61 6e 20 56 6f 67 65 6c | 67 73 61 6e 67 0a 20 2a |an Vogel|gsang. *|
|00004e70| 2f 0a 20 0a 23 69 6e 63 | 6c 75 64 65 20 3c 6c 69 |/. .#inc|lude <li|
|00004e80| 6e 75 78 2f 6d 6f 64 75 | 6c 65 2e 68 3e 0a 23 69 |nux/modu|le.h>.#i|
|00004e90| 6e 63 6c 75 64 65 20 22 | 65 66 73 2e 68 22 0a 0a |nclude "|efs.h"..|
|00004ea0| 2f 2a 20 2d 2d 2d 2d 2d | 20 44 65 66 69 6e 65 20 |/* -----| Define |
|00004eb0| 74 68 65 20 6f 70 65 72 | 61 74 69 6f 6e 73 20 66 |the oper|ations f|
|00004ec0| 6f 72 20 74 68 65 20 53 | 75 70 65 72 62 6c 6f 63 |or the S|uperbloc|
|00004ed0| 6b 20 2d 2d 2d 2d 2d 20 | 2a 2f 0a 76 6f 69 64 20 |k ----- |*/.void |
|00004ee0| 65 66 73 5f 72 65 61 64 | 5f 69 6e 6f 64 65 28 73 |efs_read|_inode(s|
|00004ef0| 74 72 75 63 74 20 69 6e | 6f 64 65 20 2a 29 3b 0a |truct in|ode *);.|
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|00004f10| 65 72 28 73 74 72 75 63 | 74 20 73 75 70 65 72 5f |er(struc|t super_|
|00004f20| 62 6c 6f 63 6b 20 2a 29 | 3b 0a 76 6f 69 64 20 65 |block *)|;.void e|
|00004f30| 66 73 5f 73 74 61 74 66 | 73 28 73 74 72 75 63 74 |fs_statf|s(struct|
|00004f40| 20 73 75 70 65 72 5f 62 | 6c 6f 63 6b 20 2a 2c 20 | super_b|lock *, |
|00004f50| 73 74 72 75 63 74 20 73 | 74 61 74 66 73 20 2a 2c |struct s|tatfs *,|
|00004f60| 69 6e 74 20 29 3b 0a 0a | 73 74 61 74 69 63 20 73 |int );..|static s|
|00004f70| 74 72 75 63 74 20 73 75 | 70 65 72 5f 6f 70 65 72 |truct su|per_oper|
|00004f80| 61 74 69 6f 6e 73 20 65 | 66 73 5f 73 6f 70 73 20 |ations e|fs_sops |
|00004f90| 3d 20 7b 0a 20 20 65 66 | 73 5f 72 65 61 64 5f 69 |= {. ef|s_read_i|
|00004fa0| 6e 6f 64 65 2c 20 0a 20 | 20 4e 55 4c 4c 2c 20 2f |node, . | NULL, /|
|00004fb0| 2a 20 6e 6f 74 69 66 79 | 5f 63 68 61 6e 67 65 20 |* notify|_change |
|00004fc0| 2a 2f 0a 20 20 4e 55 4c | 4c 2c 20 2f 2a 20 77 72 |*/. NUL|L, /* wr|
|00004fd0| 69 74 65 5f 69 6e 6f 64 | 65 20 2a 2f 0a 20 20 4e |ite_inod|e */. N|
|00004fe0| 55 4c 4c 2c 20 2f 2a 20 | 70 75 74 5f 69 6e 6f 64 |ULL, /* |put_inod|
|00004ff0| 65 20 2a 2f 0a 20 20 65 | 66 73 5f 70 75 74 5f 73 |e */. e|fs_put_s|
|00005000| 75 70 65 72 2c 20 0a 20 | 20 4e 55 4c 4c 2c 20 2f |uper, . | NULL, /|
|00005010| 2a 20 77 72 69 74 65 5f | 73 75 70 65 72 20 2a 2f |* write_|super */|
|00005020| 0a 20 20 65 66 73 5f 73 | 74 61 74 66 73 2c 20 0a |. efs_s|tatfs, .|
|00005030| 20 20 4e 55 4c 4c 0a 7d | 3b 0a 0a 0a 2f 2a 20 2d | NULL.}|;.../* -|
|00005040| 2d 2d 2d 2d 20 43 6f 6e | 76 65 72 73 69 6f 6e 20 |---- Con|version |
|00005050| 75 74 69 6c 69 74 69 65 | 73 20 2d 2d 2d 2d 2d 20 |utilitie|s ----- |
|00005060| 0a 20 20 20 47 65 74 20 | 31 36 2d 20 61 6e 64 20 |. Get |16- and |
|00005070| 33 32 2d 62 69 74 20 75 | 6e 73 69 67 6e 65 64 20 |32-bit u|nsigned |
|00005080| 76 61 6c 75 65 73 20 69 | 6e 20 62 69 67 2d 65 6e |values i|n big-en|
|00005090| 64 69 61 6e 20 66 6f 72 | 6d 61 74 20 66 72 6f 6d |dian for|mat from|
|000050a0| 20 61 20 62 79 74 65 20 | 62 75 66 66 65 72 0a 2a | a byte |buffer.*|
|000050b0| 2f 0a 4c 4f 4e 47 20 43 | 6f 6e 76 65 72 74 4c 6f |/.LONG C|onvertLo|
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|000050e0| 74 75 72 6e 20 20 28 4c | 4f 4e 47 29 62 75 66 5b |turn (L|ONG)buf[|
|000050f0| 6f 66 66 73 65 74 2b 33 | 5d 20 7c 0a 20 20 20 20 |offset+3|] |. |
|00005100| 28 28 4c 4f 4e 47 29 62 | 75 66 5b 6f 66 66 73 65 |((LONG)b|uf[offse|
|00005110| 74 2b 32 5d 29 3c 3c 38 | 20 7c 0a 20 20 20 20 20 |t+2])<<8| |. |
|00005120| 20 28 28 4c 4f 4e 47 29 | 62 75 66 5b 6f 66 66 73 | ((LONG)|buf[offs|
|00005130| 65 74 2b 31 5d 29 3c 3c | 31 36 20 7c 0a 09 28 28 |et+1])<<|16 |..((|
|00005140| 4c 4f 4e 47 29 62 75 66 | 5b 6f 66 66 73 65 74 5d |LONG)buf|[offset]|
|00005150| 29 3c 3c 32 34 3b 0a 7d | 0a 0a 53 48 4f 52 54 20 |)<<24;.}|..SHORT |
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|000051a0| 2b 31 5d 20 7c 0a 20 20 | 20 20 28 28 53 48 4f 52 |+1] |. | ((SHOR|
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|000051c0| 38 3b 0a 7d 0a 0a 0a 2f | 2a 20 2d 2d 2d 2d 2d 20 |8;.}.../|* ----- |
|000051d0| 49 6e 73 74 61 6c 6c 2f | 52 65 6d 6f 76 65 20 4d |Install/|Remove M|
|000051e0| 6f 64 75 6c 65 20 2d 2d | 2d 2d 2d 20 0a 20 54 68 |odule --|--- . Th|
|000051f0| 65 73 65 20 70 72 6f 63 | 65 64 75 72 65 73 20 61 |ese proc|edures a|
|00005200| 72 65 20 75 73 65 64 20 | 74 6f 20 69 6e 73 74 61 |re used |to insta|
|00005210| 6c 6c 2f 72 65 6d 6f 76 | 65 20 6f 75 72 20 66 69 |ll/remov|e our fi|
|00005220| 6c 65 73 79 73 74 65 6d | 0a 20 6d 6f 64 75 6c 65 |lesystem|. module|
|00005230| 20 69 6e 20 74 68 65 20 | 6c 69 6e 75 78 20 6b 65 | in the |linux ke|
|00005240| 72 6e 65 6c 0a 2a 2f 0a | 0a 2f 2a 20 64 65 73 63 |rnel.*/.|./* desc|
|00005250| 72 69 62 65 20 66 69 6c | 65 73 79 73 74 65 6d 20 |ribe fil|esystem |
|00005260| 2a 2f 0a 73 74 72 75 63 | 74 20 73 75 70 65 72 5f |*/.struc|t super_|
|00005270| 62 6c 6f 63 6b 20 2a 65 | 66 73 5f 72 65 61 64 5f |block *e|fs_read_|
|00005280| 73 75 70 65 72 28 73 74 | 72 75 63 74 20 73 75 70 |super(st|ruct sup|
|00005290| 65 72 5f 62 6c 6f 63 6b | 20 2a 73 2c 20 76 6f 69 |er_block| *s, voi|
|000052a0| 64 20 2a 64 2c 20 69 6e | 74 20 73 69 6c 29 3b 0a |d *d, in|t sil);.|
|000052b0| 73 74 61 74 69 63 20 73 | 74 72 75 63 74 20 66 69 |static s|truct fi|
|000052c0| 6c 65 5f 73 79 73 74 65 | 6d 5f 74 79 70 65 20 65 |le_syste|m_type e|
|000052d0| 66 73 5f 66 73 5f 74 79 | 70 65 20 3d 20 7b 0a 20 |fs_fs_ty|pe = {. |
|000052e0| 20 65 66 73 5f 72 65 61 | 64 5f 73 75 70 65 72 2c | efs_rea|d_super,|
|000052f0| 20 22 65 66 73 22 2c 20 | 31 2c 20 20 4e 55 4c 4c | "efs", |1, NULL|
|00005300| 20 0a 7d 3b 0a 0a 2f 2a | 20 69 6e 73 74 61 6c 6c | .};../*| install|
|00005310| 20 6d 6f 64 75 6c 65 20 | 2a 2f 0a 69 6e 74 20 69 | module |*/.int i|
|00005320| 6e 69 74 5f 6d 6f 64 75 | 6c 65 28 76 6f 69 64 29 |nit_modu|le(void)|
|00005330| 0a 7b 0a 20 20 69 6e 74 | 20 73 74 61 74 75 73 3b |.{. int| status;|
|00005340| 0a 0a 20 20 69 66 28 28 | 73 74 61 74 75 73 3d 72 |.. if((|status=r|
|00005350| 65 67 69 73 74 65 72 5f | 66 69 6c 65 73 79 73 74 |egister_|filesyst|
|00005360| 65 6d 28 26 65 66 73 5f | 66 73 5f 74 79 70 65 29 |em(&efs_|fs_type)|
|00005370| 29 3d 3d 30 29 0a 20 20 | 20 20 72 65 67 69 73 74 |)==0). | regist|
|00005380| 65 72 5f 73 79 6d 74 61 | 62 28 30 29 3b 0a 20 20 |er_symta|b(0);. |
|00005390| 72 65 74 75 72 6e 20 73 | 74 61 74 75 73 3b 0a 7d |return s|tatus;.}|
|000053a0| 0a 0a 2f 2a 20 72 65 6d | 6f 76 65 20 6d 6f 64 75 |../* rem|ove modu|
|000053b0| 6c 65 20 2a 2f 0a 76 6f | 69 64 20 63 6c 65 61 6e |le */.vo|id clean|
|000053c0| 75 70 5f 6d 6f 64 75 6c | 65 28 76 6f 69 64 29 0a |up_modul|e(void).|
|000053d0| 7b 0a 20 20 75 6e 72 65 | 67 69 73 74 65 72 5f 66 |{. unre|gister_f|
|000053e0| 69 6c 65 73 79 73 74 65 | 6d 28 26 65 66 73 5f 66 |ilesyste|m(&efs_f|
|000053f0| 73 5f 74 79 70 65 29 3b | 0a 7d 0a 0a 0a 2f 2a 20 |s_type);|.}.../* |
|00005400| 2d 2d 2d 2d 2d 20 65 66 | 73 5f 63 68 65 63 6b 56 |----- ef|s_checkV|
|00005410| 6f 6c 44 65 73 63 20 2d | 2d 2d 2d 2d 0a 20 20 20 |olDesc -|----. |
|00005420| 41 6e 61 6c 79 73 65 20 | 74 68 65 20 66 69 72 74 |Analyse |the firt|
|00005430| 73 20 62 6c 6f 63 6b 20 | 6f 66 20 61 20 43 44 20 |s block |of a CD |
|00005440| 61 6e 64 20 63 68 65 63 | 6b 20 0a 20 20 20 69 66 |and chec|k . if|
|00005450| 20 69 74 27 73 20 61 20 | 76 61 6c 69 64 20 65 66 | it's a |valid ef|
|00005460| 73 20 76 6f 6c 75 6d 65 | 20 64 65 73 63 72 69 70 |s volume| descrip|
|00005470| 74 6f 72 0a 0a 20 20 20 | 62 6c 6b 20 20 20 20 2d |tor.. |blk -|
|00005480| 20 62 75 66 66 65 72 20 | 77 69 74 68 20 74 68 65 | buffer |with the|
|00005490| 20 64 61 74 61 20 6f 66 | 20 66 69 72 73 74 20 62 | data of| first b|
|000054a0| 6c 6f 63 6b 0a 20 20 20 | 73 69 6c 65 6e 74 20 2d |lock. |silent -|
|000054b0| 20 30 20 2d 3e 20 76 65 | 72 62 6f 73 65 0a 0a 20 | 0 -> ve|rbose.. |
|000054c0| 20 20 72 65 74 75 72 6e | 20 3a 20 30 20 2d 20 65 | return| : 0 - e|
|000054d0| 72 72 6f 72 20 3b 20 3e | 30 20 2d 20 73 74 61 72 |rror ; >|0 - star|
|000054e0| 74 20 62 6c 6f 63 6b 20 | 6f 66 20 66 69 6c 65 73 |t block |of files|
|000054f0| 79 73 74 65 6d 0a 2a 2f | 0a 73 74 61 74 69 63 20 |ystem.*/|.static |
|00005500| 4c 4f 4e 47 20 65 66 73 | 5f 63 68 65 63 6b 56 6f |LONG efs|_checkVo|
|00005510| 6c 44 65 73 63 28 42 59 | 54 45 20 2a 62 6c 6b 2c |lDesc(BY|TE *blk,|
|00005520| 69 6e 74 20 73 69 6c 65 | 6e 74 29 0a 7b 0a 20 20 |int sile|nt).{. |
|00005530| 4c 4f 4e 47 20 6d 61 67 | 69 63 3b 0a 20 20 42 59 |LONG mag|ic;. BY|
|00005540| 54 45 20 2a 70 74 72 3b | 0a 20 20 42 59 54 45 20 |TE *ptr;|. BYTE |
|00005550| 6e 61 6d 65 5b 31 30 5d | 3b 0a 20 20 4c 4f 4e 47 |name[10]|;. LONG|
|00005560| 20 70 6f 73 2c 6c 65 6e | 3b 0a 20 20 69 6e 74 20 | pos,len|;. int |
|00005570| 69 3b 0a 0a 20 20 2f 2a | 20 69 73 20 74 68 65 20 |i;.. /*| is the |
|00005580| 6d 61 67 69 63 20 63 6f | 6f 6b 69 65 20 68 65 72 |magic co|okie her|
|00005590| 65 3f 20 2a 2f 0a 20 20 | 6d 61 67 69 63 20 3d 20 |e? */. |magic = |
|000055a0| 43 6f 6e 76 65 72 74 4c | 6f 6e 67 28 62 6c 6b 2c |ConvertL|ong(blk,|
|000055b0| 30 29 3b 0a 20 20 69 66 | 28 6d 61 67 69 63 21 3d |0);. if|(magic!=|
|000055c0| 30 78 30 62 65 35 61 39 | 34 31 29 20 7b 0a 20 20 |0x0be5a9|41) {. |
|000055d0| 20 20 70 72 69 6e 74 6b | 28 22 45 46 53 3a 20 6e | printk|("EFS: n|
|000055e0| 6f 20 6d 61 67 69 63 20 | 6f 6e 20 66 69 72 73 74 |o magic |on first|
|000055f0| 20 62 6c 6f 63 6b 5c 6e | 22 29 3b 0a 20 20 20 20 | block\n|");. |
|00005600| 72 65 74 75 72 6e 20 30 | 3b 0a 20 20 7d 0a 20 20 |return 0|;. }. |
|00005610| 0a 20 20 2f 2a 20 57 61 | 6c 6b 20 74 68 72 6f 75 |. /* Wa|lk throu|
|00005620| 67 68 20 74 68 65 20 65 | 6e 74 72 69 65 73 20 6f |gh the e|ntries o|
|00005630| 66 20 74 68 65 20 56 44 | 20 2a 2f 0a 20 20 2f 2a |f the VD| */. /*|
|00005640| 20 51 75 69 74 65 20 75 | 73 65 6c 65 73 73 2c 20 | Quite u|seless, |
|00005650| 62 75 74 20 67 69 76 65 | 73 20 6e 69 63 65 20 6f |but give|s nice o|
|00005660| 75 74 70 75 74 20 3b 2d | 29 20 2a 2f 0a 20 20 70 |utput ;-|) */. p|
|00005670| 74 72 20 3d 20 62 6c 6b | 20 2b 20 45 46 53 5f 56 |tr = blk| + EFS_V|
|00005680| 44 5f 45 4e 54 52 59 46 | 49 52 53 54 3b 0a 20 20 |D_ENTRYF|IRST;. |
|00005690| 6e 61 6d 65 5b 38 5d 20 | 3d 20 30 3b 0a 20 20 77 |name[8] |= 0;. w|
|000056a0| 68 69 6c 65 28 2a 70 74 | 72 29 20 7b 0a 20 20 20 |hile(*pt|r) {. |
|000056b0| 20 66 6f 72 28 69 3d 30 | 3b 69 3c 38 3b 69 2b 2b | for(i=0|;i<8;i++|
|000056c0| 29 0a 20 20 20 20 20 20 | 6e 61 6d 65 5b 69 5d 20 |). |name[i] |
|000056d0| 3d 20 70 74 72 5b 69 5d | 3b 0a 0a 20 20 20 20 2f |= ptr[i]|;.. /|
|000056e0| 2a 20 73 74 61 72 74 20 | 61 6e 64 20 6c 65 6e 67 |* start |and leng|
|000056f0| 74 68 20 6f 66 20 65 6e | 74 72 79 20 2a 2f 0a 20 |th of en|try */. |
|00005700| 20 20 20 70 6f 73 20 3d | 20 43 6f 6e 76 65 72 74 | pos =| Convert|
|00005710| 4c 6f 6e 67 28 70 74 72 | 2c 45 46 53 5f 56 44 5f |Long(ptr|,EFS_VD_|
|00005720| 45 4e 54 52 59 50 4f 53 | 29 3b 0a 20 20 20 20 6c |ENTRYPOS|);. l|
|00005730| 65 6e 20 3d 20 43 6f 6e | 76 65 72 74 4c 6f 6e 67 |en = Con|vertLong|
|00005740| 28 70 74 72 2c 45 46 53 | 5f 56 44 5f 45 4e 54 52 |(ptr,EFS|_VD_ENTR|
|00005750| 59 4c 45 4e 29 3b 0a 0a | 20 20 20 20 69 66 28 21 |YLEN);..| if(!|
|00005760| 73 69 6c 65 6e 74 29 20 | 0a 20 20 20 20 20 20 70 |silent) |. p|
|00005770| 72 69 6e 74 6b 28 22 45 | 46 53 3a 20 56 6f 6c 44 |rintk("E|FS: VolD|
|00005780| 65 73 63 3a 20 25 38 73 | 20 62 6c 6b 3a 20 25 30 |esc: %8s| blk: %0|
|00005790| 38 6c 78 20 6c 65 6e 3a | 20 25 30 38 6c 78 5c 6e |8lx len:| %08lx\n|
|000057a0| 22 2c 0a 09 20 20 20 20 | 20 6e 61 6d 65 2c 70 6f |",.. | name,po|
|000057b0| 73 2c 6c 65 6e 29 3b 0a | 20 20 20 20 0a 20 20 20 |s,len);.| . |
|000057c0| 20 70 74 72 2b 3d 45 46 | 53 5f 56 44 5f 45 4e 54 | ptr+=EF|S_VD_ENT|
|000057d0| 52 59 53 49 5a 45 3b 0a | 20 20 7d 0a 0a 20 20 72 |RYSIZE;.| }.. r|
|000057e0| 65 74 75 72 6e 20 43 6f | 6e 76 65 72 74 4c 6f 6e |eturn Co|nvertLon|
|000057f0| 67 28 62 6c 6b 2c 45 46 | 53 5f 56 44 5f 46 53 5f |g(blk,EF|S_VD_FS_|
|00005800| 53 54 41 52 54 29 3b 0a | 7d 0a 0a 0a 2f 2a 20 2d |START);.|}.../* -|
|00005810| 2d 2d 2d 2d 20 65 66 73 | 5f 63 68 65 63 6b 53 75 |---- efs|_checkSu|
|00005820| 70 65 72 20 2d 2d 2d 2d | 2d 20 0a 20 43 68 65 63 |per ----|- . Chec|
|00005830| 6b 20 69 66 20 74 68 65 | 20 67 69 76 65 6e 20 62 |k if the| given b|
|00005840| 6c 6f 63 6b 20 69 73 20 | 61 20 76 61 6c 69 64 20 |lock is |a valid |
|00005850| 45 46 53 2d 73 75 70 65 | 72 62 6c 6f 63 6b 0a 20 |EFS-supe|rblock. |
|00005860| 0a 20 73 62 69 20 20 20 | 20 2d 20 6d 79 20 45 46 |. sbi | - my EF|
|00005870| 53 20 73 75 70 65 72 62 | 6c 6f 63 6b 20 69 6e 66 |S superb|lock inf|
|00005880| 6f 0a 20 62 6c 6f 63 6b | 20 20 2d 20 62 6c 6f 63 |o. block| - bloc|
|00005890| 6b 20 74 68 61 74 20 6d | 75 73 74 20 62 65 20 65 |k that m|ust be e|
|000058a0| 78 61 6d 69 6e 65 64 0a | 0a 20 72 65 74 75 72 6e |xamined.|. return|
|000058b0| 20 2d 20 30 20 6f 6b 2c | 20 2d 31 20 65 72 72 6f | - 0 ok,| -1 erro|
|000058c0| 72 0a 2a 2f 0a 73 74 61 | 74 69 63 20 69 6e 74 20 |r.*/.sta|tic int |
|000058d0| 65 66 73 5f 63 68 65 63 | 6b 53 75 70 65 72 28 73 |efs_chec|kSuper(s|
|000058e0| 74 72 75 63 74 20 65 66 | 73 5f 73 62 5f 69 6e 66 |truct ef|s_sb_inf|
|000058f0| 6f 20 2a 73 62 69 2c 20 | 42 59 54 45 20 2a 62 6c |o *sbi, |BYTE *bl|
|00005900| 6f 63 6b 2c 69 6e 74 20 | 73 69 6c 65 6e 74 29 0a |ock,int |silent).|
|00005910| 7b 0a 20 20 4c 4f 4e 47 | 20 20 20 20 6d 61 67 69 |{. LONG| magi|
|00005920| 63 3b 0a 20 20 20 20 0a | 20 20 2f 2a 20 63 68 65 |c;. .| /* che|
|00005930| 63 6b 20 69 66 20 74 68 | 65 20 6d 61 67 69 63 20 |ck if th|e magic |
|00005940| 63 6f 6f 6b 69 65 20 69 | 73 20 68 65 72 65 20 2a |cookie i|s here *|
|00005950| 2f 0a 20 20 6d 61 67 69 | 63 20 3d 20 43 6f 6e 76 |/. magi|c = Conv|
|00005960| 65 72 74 4c 6f 6e 67 28 | 62 6c 6f 63 6b 2c 20 45 |ertLong(|block, E|
|00005970| 46 53 5f 53 42 5f 4d 41 | 47 49 43 29 3b 0a 20 20 |FS_SB_MA|GIC);. |
|00005980| 69 66 28 28 6d 61 67 69 | 63 21 3d 45 46 53 5f 4d |if((magi|c!=EFS_M|
|00005990| 41 47 49 43 31 29 26 26 | 28 6d 61 67 69 63 21 3d |AGIC1)&&|(magic!=|
|000059a0| 45 46 53 5f 4d 41 47 49 | 43 32 29 29 0a 20 20 20 |EFS_MAGI|C2)). |
|000059b0| 20 72 65 74 75 72 6e 20 | 2d 31 3b 0a 20 20 0a 20 | return |-1;. . |
|000059c0| 20 73 62 69 2d 3e 74 6f | 74 61 6c 5f 62 6c 6f 63 | sbi->to|tal_bloc|
|000059d0| 6b 73 20 3d 20 43 6f 6e | 76 65 72 74 4c 6f 6e 67 |ks = Con|vertLong|
|000059e0| 28 62 6c 6f 63 6b 2c 20 | 45 46 53 5f 53 42 5f 54 |(block, |EFS_SB_T|
|000059f0| 4f 54 41 4c 29 3b 0a 20 | 20 73 62 69 2d 3e 66 69 |OTAL);. | sbi->fi|
|00005a00| 72 73 74 5f 62 6c 6f 63 | 6b 20 20 3d 20 43 6f 6e |rst_bloc|k = Con|
|00005a10| 76 65 72 74 4c 6f 6e 67 | 28 62 6c 6f 63 6b 2c 20 |vertLong|(block, |
|00005a20| 45 46 53 5f 53 42 5f 46 | 49 52 53 54 29 3b 0a 20 |EFS_SB_F|IRST);. |
|00005a30| 20 73 62 69 2d 3e 67 72 | 6f 75 70 5f 73 69 7a 65 | sbi->gr|oup_size|
|00005a40| 20 20 20 3d 20 43 6f 6e | 76 65 72 74 4c 6f 6e 67 | = Con|vertLong|
|00005a50| 28 62 6c 6f 63 6b 2c 20 | 45 46 53 5f 53 42 5f 47 |(block, |EFS_SB_G|
|00005a60| 52 4f 55 50 29 3b 0a 20 | 20 73 62 69 2d 3e 69 6e |ROUP);. | sbi->in|
|00005a70| 6f 64 65 5f 62 6c 6f 63 | 6b 73 20 3d 20 43 6f 6e |ode_bloc|ks = Con|
|00005a80| 76 65 72 74 53 68 6f 72 | 74 28 62 6c 6f 63 6b 2c |vertShor|t(block,|
|00005a90| 20 45 46 53 5f 53 42 5f | 49 4e 4f 44 45 29 3b 0a | EFS_SB_|INODE);.|
|00005aa0| 20 20 73 62 69 2d 3e 74 | 6f 74 61 6c 5f 67 72 6f | sbi->t|otal_gro|
|00005ab0| 75 70 73 20 3d 20 43 6f | 6e 76 65 72 74 53 68 6f |ups = Co|nvertSho|
|00005ac0| 72 74 28 62 6c 6f 63 6b | 2c 20 45 46 53 5f 53 42 |rt(block|, EFS_SB|
|00005ad0| 5f 54 4f 47 52 50 29 3b | 0a 20 20 20 20 0a 20 20 |_TOGRP);|. . |
|00005ae0| 72 65 74 75 72 6e 20 30 | 3b 20 20 20 20 0a 7d 0a |return 0|; .}.|
|00005af0| 0a 0a 2f 2a 20 2d 2d 2d | 2d 2d 20 65 66 73 5f 72 |../* ---|-- efs_r|
|00005b00| 65 61 64 5f 73 75 70 65 | 72 20 2d 2d 2d 2d 2d 20 |ead_supe|r ----- |
|00005b10| 0a 20 20 20 72 65 61 64 | 5f 73 75 70 65 72 3a 20 |. read|_super: |
|00005b20| 69 66 20 74 68 65 20 66 | 73 20 67 65 74 73 20 6d |if the f|s gets m|
|00005b30| 6f 75 6e 74 65 64 20 74 | 68 69 73 20 70 72 6f 63 |ounted t|his proc|
|00005b40| 65 64 75 72 65 20 69 73 | 20 63 61 6c 6c 65 64 20 |edure is| called |
|00005b50| 74 6f 0a 20 20 20 63 68 | 65 63 6b 20 69 66 20 74 |to. ch|eck if t|
|00005b60| 68 65 20 66 69 6c 65 73 | 79 73 74 65 6d 20 69 73 |he files|ystem is|
|00005b70| 20 76 61 6c 69 64 20 61 | 6e 64 20 74 6f 20 66 69 | valid a|nd to fi|
|00005b80| 6c 6c 20 74 68 65 20 73 | 75 70 65 72 62 6c 6f 63 |ll the s|uperbloc|
|00005b90| 6b 20 73 74 72 75 63 74 | 0a 20 20 20 0a 20 20 20 |k struct|. . |
|00005ba0| 73 20 20 20 20 20 2d 20 | 73 75 70 65 72 62 6c 6f |s - |superblo|
|00005bb0| 63 6b 20 73 74 72 75 63 | 74 0a 20 20 20 64 20 20 |ck struc|t. d |
|00005bc0| 20 20 20 2d 20 6f 70 74 | 69 6f 6e 73 20 66 6f 72 | - opt|ions for|
|00005bd0| 20 66 73 20 28 75 6e 75 | 73 65 64 29 0a 20 20 20 | fs (unu|sed). |
|00005be0| 73 69 6c 20 20 20 2d 20 | 66 6c 61 67 20 74 6f 20 |sil - |flag to |
|00005bf0| 62 65 20 73 69 6c 65 6e | 74 0a 20 20 20 0a 20 20 |be silen|t. . |
|00005c00| 20 72 65 74 75 72 6e 20 | 2d 20 66 69 6c 6c 65 64 | return |- filled|
|00005c10| 20 73 20 73 74 72 75 63 | 74 20 6f 72 20 4e 55 4c | s struc|t or NUL|
|00005c20| 4c 20 6f 6e 20 65 72 72 | 6f 72 0a 20 2a 2f 0a 0a |L on err|or. */..|
|00005c30| 73 74 72 75 63 74 20 73 | 75 70 65 72 5f 62 6c 6f |struct s|uper_blo|
|00005c40| 63 6b 20 2a 65 66 73 5f | 72 65 61 64 5f 73 75 70 |ck *efs_|read_sup|
|00005c50| 65 72 28 73 74 72 75 63 | 74 20 73 75 70 65 72 5f |er(struc|t super_|
|00005c60| 62 6c 6f 63 6b 20 2a 73 | 2c 20 76 6f 69 64 20 2a |block *s|, void *|
|00005c70| 64 2c 20 69 6e 74 20 73 | 69 6c 65 6e 74 29 0a 7b |d, int s|ilent).{|
|00005c80| 0a 20 20 73 74 72 75 63 | 74 20 62 75 66 66 65 72 |. struc|t buffer|
|00005c90| 5f 68 65 61 64 20 2a 62 | 68 3b 0a 20 20 73 74 72 |_head *b|h;. str|
|00005ca0| 75 63 74 20 65 66 73 5f | 73 62 5f 69 6e 66 6f 20 |uct efs_|sb_info |
|00005cb0| 2a 73 62 5f 69 6e 66 6f | 20 3d 20 28 73 74 72 75 |*sb_info| = (stru|
|00005cc0| 63 74 20 65 66 73 5f 73 | 62 5f 69 6e 66 6f 20 2a |ct efs_s|b_info *|
|00005cd0| 29 26 73 2d 3e 75 2e 67 | 65 6e 65 72 69 63 5f 73 |)&s->u.g|eneric_s|
|00005ce0| 62 70 3b 0a 20 20 69 6e | 74 20 65 72 72 6f 72 20 |bp;. in|t error |
|00005cf0| 3d 20 30 3b 0a 20 20 69 | 6e 74 20 64 65 76 20 3d |= 0;. i|nt dev =|
|00005d00| 20 73 2d 3e 73 5f 64 65 | 76 3b 0a 0a 20 20 4d 4f | s->s_de|v;.. MO|
|00005d10| 44 5f 49 4e 43 5f 55 53 | 45 5f 43 4f 55 4e 54 3b |D_INC_US|E_COUNT;|
|00005d20| 0a 20 20 0a 20 20 2f 2a | 20 73 61 79 20 68 65 6c |. . /*| say hel|
|00005d30| 6c 6f 20 74 6f 20 6d 79 | 20 6c 6f 67 20 66 69 6c |lo to my| log fil|
|00005d40| 65 21 20 2a 2f 0a 20 20 | 69 66 28 21 73 69 6c 65 |e! */. |if(!sile|
|00005d50| 6e 74 29 0a 20 20 20 20 | 70 72 69 6e 74 6b 28 22 |nt). |printk("|
|00005d60| 45 46 53 3a 20 2d 2d 2d | 20 46 69 6c 65 73 79 73 |EFS: ---| Filesys|
|00005d70| 74 65 6d 20 2d 2d 2d 5c | 6e 22 29 3b 0a 0a 20 20 |tem ---\|n");.. |
|00005d80| 2f 2a 20 73 65 74 20 62 | 6c 6f 63 6b 73 69 7a 65 |/* set b|locksize|
|00005d90| 20 74 6f 20 35 31 32 20 | 2a 2f 0a 20 20 73 65 74 | to 512 |*/. set|
|00005da0| 5f 62 6c 6f 63 6b 73 69 | 7a 65 28 64 65 76 2c 20 |_blocksi|ze(dev, |
|00005db0| 45 46 53 5f 42 4c 4f 43 | 4b 5f 53 49 5a 45 29 3b |EFS_BLOC|K_SIZE);|
|00005dc0| 0a 20 20 0a 20 20 6c 6f | 63 6b 5f 73 75 70 65 72 |. . lo|ck_super|
|00005dd0| 28 73 29 3b 0a 20 20 0a | 20 20 2f 2a 20 52 65 61 |(s);. .| /* Rea|
|00005de0| 64 20 66 69 72 73 74 20 | 62 6c 6f 63 6b 20 6f 66 |d first |block of|
|00005df0| 20 43 44 3a 20 74 68 65 | 20 56 6f 6c 75 6d 65 20 | CD: the| Volume |
|00005e00| 44 65 73 63 72 69 70 74 | 6f 72 20 2a 2f 0a 20 20 |Descript|or */. |
|00005e10| 62 68 20 3d 20 62 72 65 | 61 64 28 64 65 76 2c 20 |bh = bre|ad(dev, |
|00005e20| 30 2c 20 45 46 53 5f 42 | 4c 4f 43 4b 5f 53 49 5a |0, EFS_B|LOCK_SIZ|
|00005e30| 45 29 3b 0a 20 20 69 66 | 28 62 68 29 20 7b 0a 20 |E);. if|(bh) {. |
|00005e40| 20 20 20 73 62 5f 69 6e | 66 6f 2d 3e 66 73 5f 73 | sb_in|fo->fs_s|
|00005e50| 74 61 72 74 20 3d 20 65 | 66 73 5f 63 68 65 63 6b |tart = e|fs_check|
|00005e60| 56 6f 6c 44 65 73 63 28 | 28 42 59 54 45 20 2a 29 |VolDesc(|(BYTE *)|
|00005e70| 62 68 2d 3e 62 5f 64 61 | 74 61 2c 73 69 6c 65 6e |bh->b_da|ta,silen|
|00005e80| 74 29 3b 0a 20 20 20 20 | 69 66 28 73 62 5f 69 6e |t);. |if(sb_in|
|00005e90| 66 6f 2d 3e 66 73 5f 73 | 74 61 72 74 3d 3d 30 29 |fo->fs_s|tart==0)|
|00005ea0| 20 7b 0a 20 20 20 20 20 | 20 70 72 69 6e 74 6b 28 | {. | printk(|
|00005eb0| 22 45 46 53 3a 20 66 61 | 69 6c 65 64 20 63 68 65 |"EFS: fa|iled che|
|00005ec0| 63 6b 69 6e 67 20 56 6f | 6c 75 6d 65 20 44 65 73 |cking Vo|lume Des|
|00005ed0| 63 72 69 70 74 6f 72 5c | 6e 22 29 3b 0a 20 20 20 |criptor\|n");. |
|00005ee0| 20 20 20 65 72 72 6f 72 | 2b 2b 3b 0a 20 20 20 20 | error|++;. |
|00005ef0| 7d 0a 20 20 20 20 62 72 | 65 6c 73 65 28 62 68 29 |}. br|else(bh)|
|00005f00| 3b 0a 20 20 7d 20 65 6c | 73 65 20 7b 0a 20 20 20 |;. } el|se {. |
|00005f10| 20 70 72 69 6e 74 6b 28 | 22 45 46 53 3a 20 63 61 | printk(|"EFS: ca|
|00005f20| 6e 6e 6f 74 20 72 65 61 | 64 20 74 68 65 20 66 69 |nnot rea|d the fi|
|00005f30| 72 73 74 20 62 6c 6f 63 | 6b 5c 6e 22 29 3b 0a 20 |rst bloc|k\n");. |
|00005f40| 20 20 20 65 72 72 6f 72 | 2b 2b 3b 0a 20 20 7d 0a | error|++;. }.|
|00005f50| 0a 20 20 2f 2a 20 52 65 | 61 64 20 74 68 65 20 53 |. /* Re|ad the S|
|00005f60| 75 70 65 72 62 6c 6f 63 | 6b 20 2a 2f 0a 20 20 69 |uperbloc|k */. i|
|00005f70| 66 28 21 65 72 72 6f 72 | 29 20 7b 09 0a 20 20 20 |f(!error|) {.. |
|00005f80| 20 62 68 20 3d 20 62 72 | 65 61 64 28 64 65 76 2c | bh = br|ead(dev,|
|00005f90| 20 73 62 5f 69 6e 66 6f | 2d 3e 66 73 5f 73 74 61 | sb_info|->fs_sta|
|00005fa0| 72 74 20 2b 20 45 46 53 | 5f 42 4c 4b 5f 53 55 50 |rt + EFS|_BLK_SUP|
|00005fb0| 45 52 2c 20 20 45 46 53 | 5f 42 4c 4f 43 4b 5f 53 |ER, EFS|_BLOCK_S|
|00005fc0| 49 5a 45 20 29 3b 0a 20 | 20 20 20 69 66 28 62 68 |IZE );. | if(bh|
|00005fd0| 29 20 7b 0a 20 20 20 20 | 20 20 69 66 28 65 66 73 |) {. | if(efs|
|00005fe0| 5f 63 68 65 63 6b 53 75 | 70 65 72 28 73 62 5f 69 |_checkSu|per(sb_i|
|00005ff0| 6e 66 6f 2c 20 28 42 59 | 54 45 20 2a 29 62 68 2d |nfo, (BY|TE *)bh-|
|00006000| 3e 62 5f 64 61 74 61 2c | 73 69 6c 65 6e 74 29 29 |>b_data,|silent))|
|00006010| 20 7b 0a 09 70 72 69 6e | 74 6b 28 22 45 46 53 3a | {..prin|tk("EFS:|
|00006020| 20 66 61 69 6c 65 64 20 | 63 68 65 63 6b 69 6e 67 | failed |checking|
|00006030| 20 53 75 70 65 72 62 6c | 6f 63 6b 5c 6e 22 29 3b | Superbl|ock\n");|
|00006040| 0a 09 65 72 72 6f 72 2b | 2b 3b 0a 20 20 20 20 20 |..error+|+;. |
|00006050| 20 7d 0a 20 20 20 20 20 | 20 62 72 65 6c 73 65 28 | }. | brelse(|
|00006060| 62 68 29 3b 0a 20 20 20 | 20 7d 20 65 6c 73 65 20 |bh);. | } else |
|00006070| 7b 0a 20 20 20 20 20 20 | 70 72 69 6e 74 6b 28 22 |{. |printk("|
|00006080| 45 46 53 3a 20 63 61 6e | 6e 6f 74 20 72 65 61 64 |EFS: can|not read|
|00006090| 20 74 68 65 20 73 75 70 | 65 72 62 6c 6f 63 6b 5c | the sup|erblock\|
|000060a0| 6e 22 29 3b 0a 20 20 20 | 20 20 20 65 72 72 6f 72 |n");. | error|
|000060b0| 2b 2b 3b 0a 20 20 20 20 | 7d 0a 20 20 7d 20 0a 20 |++;. |}. } . |
|000060c0| 20 0a 20 20 69 66 28 21 | 65 72 72 6f 72 29 20 7b | . if(!|error) {|
|000060d0| 0a 20 20 20 20 73 2d 3e | 73 5f 62 6c 6f 63 6b 73 |. s->|s_blocks|
|000060e0| 69 7a 65 20 3d 20 45 46 | 53 5f 42 4c 4f 43 4b 5f |ize = EF|S_BLOCK_|
|000060f0| 53 49 5a 45 3b 0a 20 20 | 20 20 73 2d 3e 73 5f 62 |SIZE;. | s->s_b|
|00006100| 6c 6f 63 6b 73 69 7a 65 | 5f 62 69 74 73 20 3d 20 |locksize|_bits = |
|00006110| 45 46 53 5f 42 4c 4f 43 | 4b 5f 53 49 5a 45 5f 42 |EFS_BLOC|K_SIZE_B|
|00006120| 49 54 53 3b 0a 20 20 20 | 20 0a 20 20 20 20 73 2d |ITS;. | . s-|
|00006130| 3e 73 5f 6d 61 67 69 63 | 09 3d 20 45 46 53 5f 53 |>s_magic|.= EFS_S|
|00006140| 55 50 45 52 5f 4d 41 47 | 49 43 3b 0a 20 20 20 20 |UPER_MAG|IC;. |
|00006150| 73 2d 3e 73 5f 66 6c 61 | 67 73 09 3d 20 4d 53 5f |s->s_fla|gs.= MS_|
|00006160| 52 44 4f 4e 4c 59 3b 0a | 20 20 20 20 73 2d 3e 73 |RDONLY;.| s->s|
|00006170| 5f 6f 70 09 3d 20 26 65 | 66 73 5f 73 6f 70 73 3b |_op.= &e|fs_sops;|
|00006180| 0a 20 20 20 20 73 2d 3e | 73 5f 6d 6f 75 6e 74 65 |. s->|s_mounte|
|00006190| 64 3d 20 69 67 65 74 28 | 73 2c 20 45 46 53 5f 52 |d= iget(|s, EFS_R|
|000061a0| 4f 4f 54 5f 49 4e 4f 44 | 45 29 3b 0a 20 20 20 20 |OOT_INOD|E);. |
|000061b0| 73 2d 3e 73 5f 64 65 76 | 09 3d 20 64 65 76 3b 0a |s->s_dev|.= dev;.|
|000061c0| 20 20 7d 0a 20 20 75 6e | 6c 6f 63 6b 5f 73 75 70 | }. un|lock_sup|
|000061d0| 65 72 28 73 29 3b 0a 20 | 20 0a 20 20 69 66 28 21 |er(s);. | . if(!|
|000061e0| 28 73 2d 3e 73 5f 6d 6f | 75 6e 74 65 64 29 29 20 |(s->s_mo|unted)) |
|000061f0| 7b 0a 20 20 20 20 70 72 | 69 6e 74 6b 28 22 45 46 |{. pr|intk("EF|
|00006200| 53 3a 20 4e 6f 74 20 6d | 6f 75 6e 74 65 64 21 5c |S: Not m|ounted!\|
|00006210| 6e 22 29 3b 0a 20 20 20 | 20 65 72 72 6f 72 2b 2b |n");. | error++|
|00006220| 3b 0a 20 20 7d 0a 20 20 | 69 66 28 63 68 65 63 6b |;. }. |if(check|
|00006230| 5f 64 69 73 6b 5f 63 68 | 61 6e 67 65 28 73 2d 3e |_disk_ch|ange(s->|
|00006240| 73 5f 64 65 76 29 29 20 | 7b 0a 20 20 20 20 70 72 |s_dev)) |{. pr|
|00006250| 69 6e 74 6b 28 22 45 46 | 53 3a 20 44 65 76 69 63 |intk("EF|S: Devic|
|00006260| 65 20 63 68 61 6e 67 65 | 64 21 5c 6e 22 29 3b 0a |e change|d!\n");.|
|00006270| 20 20 20 20 65 72 72 6f | 72 2b 2b 3b 0a 20 20 7d | erro|r++;. }|
|00006280| 0a 0a 20 20 2f 2a 20 57 | 65 20 66 6f 75 6e 64 20 |.. /* W|e found |
|00006290| 65 72 72 6f 72 73 20 2d | 3e 20 73 61 79 20 67 6f |errors -|> say go|
|000062a0| 6f 64 62 79 65 21 20 2a | 2f 0a 20 20 69 66 28 65 |odbye! *|/. if(e|
|000062b0| 72 72 6f 72 29 20 7b 0a | 20 20 20 20 73 2d 3e 73 |rror) {.| s->s|
|000062c0| 5f 64 65 76 20 3d 20 30 | 3b 0a 20 20 20 20 70 72 |_dev = 0|;. pr|
|000062d0| 69 6e 74 6b 28 22 45 46 | 53 3a 20 69 6e 69 74 20 |intk("EF|S: init |
|000062e0| 66 61 69 6c 65 64 20 77 | 69 74 68 20 25 64 20 65 |failed w|ith %d e|
|000062f0| 72 72 6f 72 73 5c 6e 22 | 2c 20 65 72 72 6f 72 29 |rrors\n"|, error)|
|00006300| 3b 0a 20 20 20 20 4d 4f | 44 5f 44 45 43 5f 55 53 |;. MO|D_DEC_US|
|00006310| 45 5f 43 4f 55 4e 54 3b | 0a 20 20 20 20 72 65 74 |E_COUNT;|. ret|
|00006320| 75 72 6e 20 4e 55 4c 4c | 3b 0a 20 20 7d 20 0a 0a |urn NULL|;. } ..|
|00006330| 20 20 72 65 74 75 72 6e | 20 73 3b 0a 7d 0a 0a 0a | return| s;.}...|
|00006340| 2f 2a 20 2d 2d 2d 2d 2d | 20 65 66 73 5f 70 75 74 |/* -----| efs_put|
|00006350| 5f 73 75 70 65 72 20 2d | 2d 2d 2d 2d 20 0a 20 20 |_super -|---- . |
|00006360| 20 70 75 74 5f 73 75 70 | 65 72 3a 20 72 65 6d 6f | put_sup|er: remo|
|00006370| 76 65 20 74 68 65 20 66 | 69 6c 65 73 79 73 74 65 |ve the f|ilesyste|
|00006380| 6d 20 61 6e 64 20 74 68 | 65 20 6d 6f 64 75 6c 65 |m and th|e module|
|00006390| 20 75 73 65 20 63 6f 75 | 6e 74 0a 0a 20 20 20 73 | use cou|nt.. s|
|000063a0| 20 2d 20 73 75 70 65 72 | 62 6c 6f 63 6b 0a 2a 2f | - super|block.*/|
|000063b0| 0a 76 6f 69 64 20 65 66 | 73 5f 70 75 74 5f 73 75 |.void ef|s_put_su|
|000063c0| 70 65 72 28 73 74 72 75 | 63 74 20 73 75 70 65 72 |per(stru|ct super|
|000063d0| 5f 62 6c 6f 63 6b 20 2a | 73 29 0a 7b 0a 20 20 6c |_block *|s).{. l|
|000063e0| 6f 63 6b 5f 73 75 70 65 | 72 28 73 29 3b 0a 20 20 |ock_supe|r(s);. |
|000063f0| 73 2d 3e 73 5f 64 65 76 | 20 3d 20 30 3b 0a 20 20 |s->s_dev| = 0;. |
+--------+-------------------------+-------------------------+--------+--------+
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