Commit graph

7 commits

Author SHA1 Message Date
Frans Kaashoek
e25b74ca80 Fix layout issues for printed version 2011-09-01 10:25:20 -04:00
Frans Kaashoek
1ddfbbb194 Revert "Introduce and use sleeplocks instead of BUSY flags"
My changes have a race with re-used bufs and the code doesn't seem to get shorter
Keep the changes that fixed ip->off race

This reverts commit 3a5fa7ed90.

Conflicts:

	defs.h
	file.c
	file.h
2011-08-29 17:18:40 -04:00
Frans Kaashoek
3a5fa7ed90 Introduce and use sleeplocks instead of BUSY flags
Remove I_BUSY, B_BUSY, and intrans defs and usages
One spinlock per buf to avoid ugly loop in bget
fix race in filewrite (don't update f->off after releasing lock)
2011-08-26 10:08:29 -04:00
Austin Clements
843eecfcd0 Only commit log to disk if something was written in to it.
Without this, every write to the console results in log writes.
2011-08-15 14:12:35 -04:00
Robert Morris
5053dd6a6d avoid deadlock by calling begin_trans() before locking any inodes 2011-08-15 12:44:20 -04:00
Robert Morris
2e59046362 log write() data
usertest for big write()s
push begin_trans/commit_trans down into syscalls
2011-08-12 09:25:39 -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