UNIX Filesystems Evolution Design and Implementation PHẦN 2 ppt

... structures. 32 UNIX Filesystems Evolution, Design, and Implementation $ ls -l /dev/vx/*dsk/homedg/h brw 1 root root 1 42, 40 02 Jun 5 1999 /dev/vx/dsk/homedg/h crw 1 root root 1 42, 40 02 Dec 5 21 :48 /dev/vx/rdsk/homedg/h In ... (lk.l_type == F_UNLCK) ? 0 : lk.l_pid; 20 } 21 22 main() 23 { 24 struct flock lk; 25 int i, fd, err; 26 pid_t pid; 27 28 fd = open("myfile...

Ngày tải lên: 13/08/2014, 04:21

... produces the man page for the 46 UNIX Filesystems Evolution, Design, and Implementation VX_DIRECT real 2: 35.7 user 6.7 sys 2: 28.7 VX_RANDOM real 2: 43.6 user 5 .2 sys 2: 38.1 Although the time difference ... is set to 0 and size is set to 20 48, on systems with a 4KB page size, the mapping established will 22 UNIX Filesystems Evolution, Design, and Implementation 10...

Ngày tải lên: 13/08/2014, 21:20

... gid 1 size 0 atime 1017451 926 810000 (Fri Mar 29 17: 32: 06 20 02) mtime 1017451 926 810000 (Fri Mar 29 17: 32: 06 20 02) ctime 1017451 926 810000 (Fri Mar 29 17: 32: 06 20 02) aflags 0 orgtype 1 eopflags ... uid 0 gid 1 size 81 92 atime 1017445593 22 0000 (Fri Mar 29 15:46:33 20 02) mtime 1017445616 410003 (Fri Mar 29 15:46:56 20 02) ctime 1017445616 410003 (Fri Mar 29 15:...

Ngày tải lên: 13/08/2014, 04:21

... s_nbfree = 468 uxfsdb > i2 inode number 2 i_mode = 41ed i_nlink = 3 i_atime = Wed Aug 21 09:55:16 20 02 i_mtime = Wed Aug 21 09:55:16 20 02 i_ctime = Wed Aug 21 09:55:16 20 02 i_uid = 0 Figure ... be displayed. 326 UNIX Filesystems Evolution, Design, and Implementation The source code, which is included in full later in the chapter, has been compiled and run on the...

Ngày tải lên: 13/08/2014, 04:21

... 26 5 Traditional UNIX Tools 26 5 The tar, cpio, and pax Commands 26 6 The tar Archive Format 26 6 The USTAR tar Archive Format 26 6 Standardization and the pax Command 26 8 Backup Using Dump and Restore 26 8 Frozen-Image ... 26 2 The UnixWare Processor Filesystem 26 2 The Translucent Filesystem 26 2 Named STREAMS 26 3 The FIFO Filesystem 26 3 The File Descriptor Filesystem...

Ngày tải lên: 13/08/2014, 21:20

... 98 UNIX Filesystems Evolution, Design, and Implementation Mount and Umount System Call Handling As the preceding examples showed, the mount and umount commands result in a call to the mount() and ... 0x%x\n", 20 fp1->_IO_buf_end); 21 printf(" fp2->_IO_buf_base = 0x%x\n", 22 fp2->_IO_buf_base); 23 printf(" fp2->_IO_buf_end = 0x%x\n", 24...

Ngày tải lên: 13/08/2014, 21:20

... on disk, and note the file offsets and size of the segments in question. 158 UNIX Filesystems Evolution, Design, and Implementation AT&T and the GFS architecture from Digital. The implementation ... how many bytes out of a request size 122 UNIX Filesystems Evolution, Design, and Implementation at this stage because there was only one filesystem type and the kern...

Ngày tải lên: 13/08/2014, 21:20

... s_nifree; __u 32 s_inode[UX_MAXFILES]; __u 32 s_nbfree; __u 32 s_block[UX_MAXBLOCKS]; }; struct ux_inode { __u 32 i_mode; __u 32 i_nlink; __u 32 i_atime; __u 32 i_mtime; __u 32 i_ctime; __s 32 i_uid; __s 32 i_gid; __u 32 ... i_uid; __s 32 i_gid; __u 32 i_size; __u 32 i_blocks; __u 32 i_addr[UX_DIRECT_BLOCKS]; }; for eachinode 346 UNIX Filesystems Evolution, Design, and I...

Ngày tải lên: 13/08/2014, 21:20

... 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 ... Filesystem 26 2 Named STREAMS 26 3 The FIFO Filesystem 26 3 The File Descriptor Filesystem 26 3 Summary 26 4 Chapter 12 Filesystem Backup 26 5 Traditional UNI...

Ngày tải lên: 13/08/2014, 04:21

... at: 32, 825 6, 16480, 24 704, 329 28, 411 52, 49376, 57600, 65 824 , 74048, 822 72, 90496, 98 720 , 106944, 115168, 123 3 92, 131104, 139 328 , 1475 52, 155776, 164000, 54419584, 54 427 808, 544360 32, 5444 425 6, ... 0x%x\n", 20 fp1->_IO_buf_end); 21 printf(" fp2->_IO_buf_base = 0x%x\n", 22 fp2->_IO_buf_base); 23 printf(" fp2->_IO_buf_end = 0x%x\n"...

Ngày tải lên: 13/08/2014, 04:21