On 2/12/07, Andi Kleen <[email protected]> wrote:
The bigger problem is getting a file system that support it.
Andi,
It seems that the part that's not returning nanosecond is in the code
below. I've modified it, and now stat() is returning st_mtim.tv_nsec
correctly.
I've tested it on ext2 and reiserfs, and both seems to be working.
I don't know why "t.tv_nsec = 0;" was set in the code. Any idea?
Thanks,
Jeff.
--- linux/kernel/time.c.org 2007-02-13 08:43:08 +0800
+++ linux/kernel/time.c 2007-02-13 08:52:29 +0800
@@ -86,7 +86,6 @@
if (get_user(tv.tv_sec, tptr))
return -EFAULT;
- tv.tv_nsec = 0;
err = security_settime(&tv, NULL);
if (err)
@@ -269,7 +269,6 @@
if (gran <= jiffies_to_usecs(1) * 1000) {
/* nothing */
} else if (gran == 1000000000) {
- t.tv_nsec = 0;
} else {
t.tv_nsec -= t.tv_nsec % gran;
}
-
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