brelse()
could just contain a single atomic_dec() and that is all.
Regards,
Tigran
PS. Having thought about it -- it was neither sct, nor Alan, nor even
Andrea -- it was Linus who explained it :)
On Fri, 2 Feb 2001, Daniel Phillips wrote:
> There is a rare SMP race in brelse:
>
>
There is a rare SMP race in brelse:
1138 void __brelse(struct buffer_head * buf)
1139 {
1140 if (atomic_read(>b_count)) {
1141 atomic_dec(>b_count);
1142 return;
1143 }
1144 printk("VFS: brelse: Trying to free free buffe
There is a rare SMP race in brelse:
1138 void __brelse(struct buffer_head * buf)
1139 {
1140 if (atomic_read(buf-b_count)) {
1141 atomic_dec(buf-b_count);
1142 return;
1143 }
1144 printk("VFS: brelse: Trying to free free buffer\n&qu
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