Commit graph

24 commits

Author SHA1 Message Date
Frans Kaashoek
8320d61be5 Pick up where i left off in april:
- move log into metadata part of disk, so that marking
that the log's blocks are in use falls out for free
- superblock describes the whole disk (sizes and offets)
- sizes and offsets are computed in one place (mkfs) and
the rest of the code refers to the superblock for these values,
instead of recomputing them.
2015-06-27 12:39:13 -04:00
Frans Kaashoek
de4af193c8 One ide command for nsector_per_block generates nsector_per_block interrupts,
instead of 1.   ideintr() should wait for nsector_per_block interrupts before
waking up the reader; now it wakes up the reader after 1 interrupt, which
apparently means that the first sector is available of the command instead of all.
For now keep BSIZE to 512.
2015-04-10 20:39:40 -04:00
Frans Kaashoek
c24ac5d763 Disentangle block size from the disk's sector size. Set block size to 1024 to show
that they can be different.  Clean up mkfs, simplifying specifying fs parameters,
remove some redundancy between fs and mkfs, and fix disk layout bugs. Call blocks
in the file system blocks instead of sectors.  Passes usertests for different
block sizes.
2015-04-03 08:22:02 -04:00
Robert Morris
a5fbfe418a clarify some FS comments 2011-10-11 06:41:37 -04:00
Austin Clements
788e27def2 Fit fs.h in one column 2011-09-02 14:57:28 -04:00
Frans Kaashoek
13a96baefc Dirt simple logging
Passes usertests and stressfs
Seems to recover correctly in a number of simple cases
2011-07-27 20:35:46 -04:00
Russ Cox
cf4b1ad90b xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
rsc
ba6cd8a685 drop NADDRS and INDIRECT; too many names 2009-05-31 00:59:37 +00:00
rsc
0c7f483838 move T_DIR etc into stat.h; move type up 2009-05-31 00:26:10 +00:00
rtm
2ce40d7088 be clear what the root i-number is 2008-10-08 18:57:13 +00:00
rtm
8e88f9e2c6 comment nits 2007-08-24 19:52:49 +00:00
rsc
bcca6c6bde shuffle fs.c in bottom-up order 2007-08-20 18:23:52 +00:00
rsc
4194835901 tweak fs.h spacing; add comment 2006-09-08 14:31:17 +00:00
rsc
d911d83ca1 fix various comments 2006-09-08 13:55:43 +00:00
rsc
31085bb416 more comments 2006-09-07 14:12:30 +00:00
rtm
5051da6de3 inode addrs[NDIRECT] -> NADDRS
fix race in mknod / creat
use last component in dirent in mknod, not path
2006-08-25 01:11:30 +00:00
kaashoek
ea2909b6b5 user-level malloc (untested)
nit in sbrk
indirect block
fix dup to share fd struct
2006-08-24 02:44:41 +00:00
kaashoek
e958c538fa commented out code for cwd 2006-08-15 15:53:46 +00:00
rtm
8a8be1b8c3 low-level keyboard input (not hooked up to /dev yet)
fix acquire() to cli() *before* incrementing nlock
make T_SYSCALL a trap gate, not an interrupt gate
sadly, various crashes if you hold down a keyboard key...
2006-08-10 02:07:10 +00:00
kaashoek
939f9edeac iread for T_DEV
O_RDWR, etc.
create file
2006-08-09 19:25:20 +00:00
kaashoek
241113985f block bitmap
balloc
2006-08-09 01:09:36 +00:00
kaashoek
e8d11c2e84 mknod,ialloc,iupdate 2006-08-08 18:07:37 +00:00
rtm
9d3fb67141 namei 2006-07-21 22:10:40 +00:00
rtm
11a9947f1a bread
iget
mkfs makes a file system image
put this in your .bochsrc:
ata0-slave: type=disk, mode=flat, path="fs.img", cylinders=1024, heads=1, spt=1
2006-07-21 13:18:04 +00:00