>
> See the thousands of examples in the kernel of this if you need proof :)
>
True. I was actually confused because many kernel examples use
sysfs_emit() and here in sysfs_emit(), the buffer is not completely
filled.
But, i got it now. I will experiment more and will see if i can
send a
On Wed, Jan 27, 2021 at 9:10 AM Greg KH wrote:
>
> On Tue, Jan 26, 2021 at 11:07:24PM +0530, Mohana Datta Yelugoti wrote:
> > Hello everyone,
> >
> > I am going through Documentation/filesystems/sysfs.rst.
> >
> > It says that sysfs allocates a buffer of size PAGE_SIZE and
> > passes it to the
On Tue, Jan 26, 2021 at 11:07:24PM +0530, Mohana Datta Yelugoti wrote:
> Hello everyone,
>
> I am going through Documentation/filesystems/sysfs.rst.
>
> It says that sysfs allocates a buffer of size PAGE_SIZE and
> passes it to the show/store functions of the attribute. On
> read(), the show()
On Tue, 26 Jan 2021 23:07:24 +0530, Mohana Datta Yelugoti said:
> Hello everyone,
>
> I am going through Documentation/filesystems/sysfs.rst.
>
> It says that sysfs allocates a buffer of size PAGE_SIZE and
> passes it to the show/store functions of the attribute. On
> read(), the show() method
Hello everyone,
I am going through Documentation/filesystems/sysfs.rst.
It says that sysfs allocates a buffer of size PAGE_SIZE and
passes it to the show/store functions of the attribute. On
read(), the show() method should fill the entire buffer[0].
The document also says that sysfs_emit() and
