Question 4. Creating xv6 file system mapping utility Write a program using Ubuntu's defauilt gcc compiler that reads fs.img file produced by xv6 make process and prints out its map as a string of text, in which every character corresponds to a single data block. The first character corresponds to block 0, second character corresponds to block 1, and so on. The glyph used for each character represents its type: ● 'B' - boot block 'S' - superblock 'L' - block that contains part of the file system log 'I' - block that contains part the file system i-node table 'T' - block that contains part of the file system bitmap 'D' - a data block Please refer to the following picture, xv6 book, and xv6 mkfs/mkfs.c and kernel/fs.c source code for more detail: 0 boot super 1 2 log inodes bit map data data

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Question 4. Creating xv6 file system mapping utility
Write a program using Ubuntu's defauilt gcc compiler that reads fs.img file produced by xv6 make
process and prints out its map as a string of text, in which every character corresponds to a
single data block. The first character corresponds to block 0, second character corresponds to
block 1, and so on. The glyph used for each character represents its type:
●
●
'B' - boot block
'S' - superblock
'L' - block that contains part of the file system log
'I' - block that contains part the file system i-node table
'T' - block that contains part of the file system bitmap
'D' - a data block
Please refer to the following picture, xv6 book, and xv6 mkfs/mkfs.c and kernel/fs.c source code for
more detail:
0
boot super
1
2
log
inodes
bit map
data
data
Transcribed Image Text:Question 4. Creating xv6 file system mapping utility Write a program using Ubuntu's defauilt gcc compiler that reads fs.img file produced by xv6 make process and prints out its map as a string of text, in which every character corresponds to a single data block. The first character corresponds to block 0, second character corresponds to block 1, and so on. The glyph used for each character represents its type: ● ● 'B' - boot block 'S' - superblock 'L' - block that contains part of the file system log 'I' - block that contains part the file system i-node table 'T' - block that contains part of the file system bitmap 'D' - a data block Please refer to the following picture, xv6 book, and xv6 mkfs/mkfs.c and kernel/fs.c source code for more detail: 0 boot super 1 2 log inodes bit map data data
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