On Mon 19-09-16 09:25:48, Dilger, Andreas wrote:
> On Sep 19, 2016, at 09:28, Greg Kroah-Hartman
> wrote:
> >
> > On Sun, Sep 18, 2016 at 04:37:29PM -0400, James Simmons wrote:
> >> + * Range lock is used to allow multiple threads writing a single shared
> >> + * file given each thread is writin
On Sep 19, 2016, at 09:28, Greg Kroah-Hartman
wrote:
>
> On Sun, Sep 18, 2016 at 04:37:29PM -0400, James Simmons wrote:
>> + * Range lock is used to allow multiple threads writing a single shared
>> + * file given each thread is writing to a non-overlapping portion of the
>> + * file.
>> + *
>>
On Sun, Sep 18, 2016 at 04:37:29PM -0400, James Simmons wrote:
> + * Range lock is used to allow multiple threads writing a single shared
> + * file given each thread is writing to a non-overlapping portion of the
> + * file.
> + *
> + * Refer to the possible upstream kernel version of range lock b
From: Prakash Surya
Testing has shown the ll_inode_inode's lli_write_mutex to be a
limiting factor with single shared file write performance, when using
many writing threads on a single machine. Even if each thread is
writing to a unique portion of the file, the lli_write_mutex will
prevent no mo
