9 Commits

Author	SHA1	Message	Date
Robert Morris	a5fbfe418a	clarify some FS comments	2011-10-11 06:41:37 -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
Austin Clements	22f7db5336	Renumber I_VALID since I_BUSY is gone	2011-08-29 16:14:44 -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
Russ Cox	0aef891495	shuffle and tweak for formatting. ... pdf has very good page breaks now. would be a good copy for fall 2009.	2009-08-08 01:07:30 -07:00
rsc	f3685aa391	simplify	2009-05-31 02:07:51 +00:00
rsc	07090dd705	Remove struct uinode. ... Remove type arg to mknod (assume T_DEV).	2007-08-24 20:54:23 +00:00
rsc	eaea18cb9c	PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf ... Various changes made while offline. + bwrite sector argument is redundant; use b->sector. + reformatting of files for nicer PDF page breaks + distinguish between locked, unlocked inodes in type signatures + change FD_FILE to FD_INODE + move userinit (nee proc0init) to proc.c + move ROOTDEV to param.h + always parenthesize sizeof argument	2007-08-22 06:01:32 +00:00
rsc	9936bffa45	fd.* -> file.*	2006-09-06 18:40:28 +00:00

Renamed from fd.h (Browse further)