Imbus/xv6-riscv-kernel
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Introduce and use sleeplocks instead of BUSY flags

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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)
This commit is contained in:
Frans Kaashoek 2011-08-26 10:08:29 -04:00
parent 8a9b6dbd44
commit 3a5fa7ed90
12 changed files with 106 additions and 63 deletions
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1
sysfile.c
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@ -5,6 +5,7 @@
#include "mmu.h"
#include "proc.h"
#include "fs.h"
#include "spinlock.h"
#include "file.h"
#include "fcntl.h"