1.

:NDWDORJX]QDMGXMHVL SOLN0DNHILOHLSOLNL]NRGHPGLFWFSOFHQFSSGHFPDNHILOH1DSLVDüGRMDNLFK

SROHFHUR]ZLQLHVL PDNHILOHZZ\QLNXSRGDQLDSROHFHQLDPDNHZGDQ\PNDWDORJXNROHMQHNRPSLODFMHL
konsolidacje)

Makefile
cc = gcc
cflags = -D DEBUG –g Wall
lflags = -g

unsorted = ${patsubst %.c, %.o, ${ wildcard *.c}}
sorted = ${sort ${unsorted}}

indeks : ${sorted}
${cc} ${lflags} $^ -o $@

%.o : %.c
${cc} –c ${cflags} $<

2. W kolejnych wierszach tabeli przedstawiono wpisy w katalogu VFS (wybrane pola struktury dentry). Tabela

dotyczy 13 wpisów o nazwach od A do M (pierwsza kolumna). W kolejnych kolumnach dla uproszczenia nie

SRVáXJLZDQRVL DGUHVDPLFKRüSRODRSLVXMZVND(QLNLDOHSRVáX*RQRVL QD]ZDPLRGSRZLHGQLFKZSLVyZ

3U]\NáDGRZRSROHGBSDUHQWGODZSLVXRQD]ZLH$ZVND]XMHQDZSLVRQD]ZLH-3XVWHPLHMVFDR]QDF]DMEUDN

ZVND(QLND1DOH*\QDU\VRZDüRSLVDQZWDEHOLKLHUDUFKL SOLNyZ

D_hash

D_name

D_parent

next

Prev

D_child

D_subdirs

A

B

L

F

B

B

A

C

B

E

M

D

I

E

B

G

F

A

I

G

B

H

I

D

I

A

H

J

K

K

C

L

M

J

L

B

K

C

M

C

K

K

3.

QDU\VXQNXSU]HGVWDZLRQRKLHUDUFKL SOLNyZZV\VWHPLH(;7RERNQD]ZSRGDQRZQDZLDVDFK

RGSRZLDGDMFHZSLVRPL-Z ]á\:SLV\WHVWGLFWLGRFWRNDWDORJLSR]RVWDáHZSLV\WRSOLNL]Z\NáH1DOH*\

X]XSHáQLüWDEHO RSLVXMF]DZDUWRüNDWDORJXWHVWSRXVXQL FLXSOLNXSOFXVXQL FLHÄV]\ENLH´– bez

SU]HEXGRZDQLDFDáHJRNDWDORJX.D*G\NROHMQ\ZLHUV]RSLVXMHSRMHG\QF]\ZSLVVWUXNWXUDH[WBGLHBHQWHU\B

inode

Rec_len

Name_len File_type

Name

Test [203]
|--- dict [466]
|---doc [550]
| |--- info [591]
|-dict.c [557]
|-pl.c [558]
|-en.cpp [560]
|-de.c[563]

4. Napisano sterow

QLN]QDNRZ\GODWU]HFKXU]G]HRQD]ZLH7(67QXPHU]HJáyZQ\PLQXPHUDFK

SRGU] GQ\FKL'ODND*GHJR]QLFK]DGHNODURZDQR]PLHQQHW\SXILOHBRSHUDWLRQVRGSRZLHGQLR

RSVBWHVWRSVBWHVWRSVBWHVWDQDVW SQLH]DLQLFMDOL]RZDQRMHDGUHVDPLRGSRZLHGQLFKIXQNFMLREVáXJL

XU]G]H3U]HGVWDZLRQRIXQNFM LQLFMDOL]DFMLVWHURZQLNDWHVWBLQLWBPRGXOHRUD]IUDJPHQWIXQNFMLRWZLHUDQLD

XU]G]HQLDWHVWBRSHQZVSyOQHMGODZV]\VWNLFKWU]HFKXU]G]H8]XSHáQLüIXQNFM WHVWBRSHQWDN*HE\

XVWDZLDáDRQDRGSRZLHGQL]HVWDZIXQNFMLGODRWZLHUDQHJRSOLNXQDSRGVWDZLHQXPHUXSRGU] GQHJR

...
static int test_init_module( void)
{
if (register_chrdev( 80, „TEST”, &ops test0))
{
printk( KERN_WARNING „register_chrdev error\n”);
return –EIO;
}
else
{
printk( KERN_WARNING „ok\n”);
return 0;
}
}
...
test_open( struct inode* ino, struct file* filep)
{

Return 0;
}
...

5.

:SOLNXWPSWHVWSURFF]DSLVDQRNRGSURJUDPXSU]HGVWDZLRQHJRSRQL*HM3URJUDPVNRPSLORZDQRZW\P

VDP\PNDWDORJXGRSOLNXDRXW1DVW SQLHZW\PVDP\PNDWDORJXXUXFKRPLRQRSURJUDPSRGDMF

DUJXPHQW\SROHFHQLHPDRXWDEFG:Z\QLNXZ\NRQDQLDVL SURJUDPXQDHNUDQLHSRMDZLáVL QDSLV
22593 3 4

/tmp/protest.c
#include <unistd.h>
#include <fcntl.h>

int main ( int argc, char *argv)
{
int p, c, x;
p = getpid();
c = open( „a.out”, O_RDONLY);
x = open( „testproc.c”, O_RDONLY);
printf( „%d %d %d”, p, c, x);
sleep(60);
return 0;
}

1DOH*\X]XSHáQLüSRQL*V]WDEHOHRSLVXMFZ\EUDQHHOHPHQW\V\VWHPXSURFGODRSLVDQHJRZF]HQLHMSURFHVX

1D]ZDSRGNDWDORJX]DZLHUDMFHJRRSLVSURFHVX

=DZDUWRüRGSRZLHGQLHJRSOLNXFPGOLQH

=DZDUWRüRGSRZLHGQLHJRSOLNXFZG

=DZDUWRüRGSRZLHGQLHJRSOLNXH[H

=DZDUWRüRGSRZLHGQLHJRSOLNXIG

=DZDUWRüRGSRZLHGQLHJRSOLNXIG

=DZDUWRüRGSRZLHGQLHgo pliku fd/4