On Tue, 7 Feb 2017 00:06:42 +
Al Viro wrote:
> On Mon, Feb 06, 2017 at 05:17:35PM -0500, Steven Rostedt wrote:
> > From: "Steven Rostedt (VMware)"
> >
> > The likely/unlikely profiler showed that the unlikely around the
> > dentry->d_flags & DCACHE_OP_REVALIDATE was wrong 95% of the time. A
On Mon, Feb 06, 2017 at 05:17:35PM -0500, Steven Rostedt wrote:
> From: "Steven Rostedt (VMware)"
>
> The likely/unlikely profiler showed that the unlikely around the
> dentry->d_flags & DCACHE_OP_REVALIDATE was wrong 95% of the time. Adding
> trace_printk()s, it revealed that the dentry ops had
From: "Steven Rostedt (VMware)"
The likely/unlikely profiler showed that the unlikely around the
dentry->d_flags & DCACHE_OP_REVALIDATE was wrong 95% of the time. Adding
trace_printk()s, it revealed that the dentry ops had hooks to:
kernfs_dop_revalidate
pid_revalidate
proc_sys_revalidate
ti
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