135e2/xv6-labs.git - xv6-labs-2024-winter

Age	Commit message (Collapse)	Author	Files	Lines
2011-08-29	Revert "Introduce and use sleeplocks instead of BUSY flags"	Frans Kaashoek	1	-4/+3
	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 3a5fa7ed9020eaf8ab843a16d26db7393b2ec072. Conflicts: defs.h file.c file.h
2011-08-26	Introduce and use sleeplocks instead of BUSY flags	Frans Kaashoek	1	-3/+4
	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)
2007-08-27	Another attempt at the bio.c comment.	rsc	1	-4/+4
	Rename B_WRITE to B_DIRTY and then let ide.c maintain the B_VALID and B_DIRTY flags.
2007-08-24	simplify ide queuing	rtm	1	-1/+4
	nits in comments
2006-09-08	some comment changes	kaashoek	1	-2/+2

2006-08-12	LRU disk cache replacement	rtm	1	-0/+2

2006-08-12	buffer cache, fifo replacement	rtm	1	-0/+1

2006-08-12	fix getblk to actually lock the block	rtm	1	-0/+2
	no more cons_put system calls usertests tests two processes writing files
2006-07-21	bread	rtm	1	-0/+5
	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