Messages in this thread | | | Date | Thu, 31 Jul 2014 13:31:56 +1000 | From | Dave Chinner <> | Subject | Re: [RFC PATCH 1/2] fs: Add dirreadahead syscall and VFS hooks |
| |
On Tue, Jul 29, 2014 at 10:21:50AM +0200, Michael Kerrisk wrote: > [CC+=linux-api] > > On Fri, Jul 25, 2014 at 7:37 PM, Abhi Das <adas@redhat.com> wrote: > > Also adds a void *opaque field to struct dir_context that can be > > used by filesystems to temporarily store any context as this > > struct gets passed around in the fs.
So the prototype is:
int dir_readahead(int fd, off64_t offset, unsigned int count);
Why do we need a new syscall for this?
$ man 2 readahead .... ssize_t readahead(int fd, off64_t offset, size_t count); .... EINVAL fd does not refer to a file type to which readahead() can be applied.
Cheers,
Dave. -- Dave Chinner david@fromorbit.com
| |