UNIX Filesystems Evolution Design and Implementation PHẦN 5 pptx

... find the inode in the 184 UNIX Filesystems Evolution, Design, and Implementation within the microkernel. This prevents the filesystem from understanding the I/O pattern and therefore using its ... TEAM FLY ® 174 UNIX Filesystems Evolution, Design, and Implementation Unlike UNIX, there are no flags in the buffer structure. In its place, the b_uptodate and b_dirt...

Ngày tải lên: 13/08/2014, 04:21

... /usr/src/linux-2.4.18/.config 348 UNIX Filesystems Evolution, Design, and Implementation prev = 0xcf15a43c}}, s_lock = {count = {counter = 0}, sleepers = 0, wait = {lock = {lock = 1}, task_list = {next = 0xcf15a 450 , prev ... that are grouped together and administered as a whole. In the 334 UNIX Filesystems Evolution, Design, and Implementation visible. This can be selec...

Ngày tải lên: 13/08/2014, 04:21

... and Net/2 and porting it to large array of other platforms and architectures. Steve D. Pate UNIX ® Filesystems: Evolution, Design, and Implementation (VERITAS Series) UNIX Evolution and Standardization ... institutions, and individuals—it also UNIX Evolution and Standardization 13 Spec 11/70 and the Single UNIX Specification In order to combine the existing U...

Ngày tải lên: 13/08/2014, 04:21

... parsing the command line to determine the input and output files, the starting position to read, the block size for reading, and so on. The 34 UNIX Filesystems Evolution, Design, and Implementation $ ... allocates storage to files in 1KB chunks and consider the interaction between the user and the filesystem as follows: 52 UNIX Filesystems Evolution, Design, and Implem...

Ngày tải lên: 13/08/2014, 04:21

... 8 256 , 16480, 24704, 32928, 41 152 , 49376, 57 600, 658 24, 74048, 82272, 90496, 98720, 106944, 1 151 68, 123392, 131104, 139328, 14 755 2, 155 776, 164000, 54 41 958 4, 54 427808, 54 436032, 54 444 256 , 54 452 480, ... rw,suid,dev=2f80000 9 955 8 251 5 /dev/dsk/c1t0d0s0 / ufs rw,suid,dev=1d80000,largefiles 9 955 8 251 5 fd /dev/fd fd rw,suid,dev=3080000 9 955 8 251 5 /dev/dsk/c1t1d0...

Ngày tải lên: 13/08/2014, 04:21

... V Release 3 variant. The UNIX versions described in both books bear most resemblance to the earlier UNIX research editions. 138 UNIX Filesystems Evolution, Design, and Implementation 13 14 fd1 ... stdout > p ! grep vnode 35 s 43 65 4343 43 65 4343 0 46 vnode load > u 35 PER PROCESS USER AREA FOR PROCESS 35 PROCESS MISC: command: vnode, psargs: ./vnode start: Fri Aug 24...

Ngày tải lên: 13/08/2014, 04:21

... 224 UNIX Filesystems Evolution, Design, and Implementation /dev/vx/dsk/fs1 959 83 64049 22336 75% /mnt /dev/vx/dsk/snap1 10240 10240 0 100% /snap-space /dev/fssnap/0 959 83 64 050 223 35 75% /snap UFS ... which can be set using the chattr command and displayed using the lsattr command. The supported attributes are: 212 UNIX Filesystems Evolution, Design, and Implementation...

Ngày tải lên: 13/08/2014, 04:21

... Clustered filesystems as well as local filesystems can be exported for use with NFS. 286 UNIX Filesystems Evolution, Design, and Implementation Distributed Filesystems Unlike local filesystems ... VFILOCKS VFLAG 51 0 10 458 510 0 c 13,2 30001b5d698 0 - > snode 30001b5d698 SNODE TABLE SIZE = 256 HASH-SLOT MAJ/MIN REALVP COMMONVP NEXTR SIZE COUNT FLAGS - 13,2 30001638 950...

Ngày tải lên: 13/08/2014, 04:21

... dip->i_sb; 55 2 struct ux_dirent *dirent; 55 3 __u32 blk = 0; 55 4 int i; 55 5 55 6 while (blk < uip->i_blocks) { 55 7 bh = sb_bread(sb, uip->i_addr[blk]); 55 8 blk++; 55 9 dirent = ... dirent->d_name[0] = ’\0’; 56 7 mark_buffer_dirty(bh); 56 8 dip->i_nlink ; 56 9 mark_inode_dirty(dip); 57 0 break; 57 1 } 57 2 } 57 3 brelse(bh); 57 4 } 57 5...

Ngày tải lên: 13/08/2014, 04:21

... 137, 255 design goals, 255 snode, 255 special files, 31 definition of, 18 spl kernel functions, 240 Stallman, Richard, 11, 12 standard error, 37 standard I/O library, 73 buffering, 77 standard ... { 10 45 if (strcmp(dirent->d_name, name) == 0) { 1046 brelse(bh); 1047 return dirent->d_ino; 1048 } 1049 dirent++; 1 050 } 1 051 } 1 052 brelse(bh); 1 053 return 0; 1 054 } 1 055 1 056 /...

Ngày tải lên: 13/08/2014, 04:21