fs: seq_file - add event counter to simplify poll() support

Moving the event counter into the dynamically allocated 'struc seq_file'
allows poll() support without the need to allocate its own tracking
structure.

All current users are switched over to use the new counter.

Requested-by: Andrew Morton [email protected]
Acked-by: NeilBrown <[email protected]>
Tested-by: Lucas De Marchi [email protected]
Signed-off-by: Kay Sievers <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Kay Sievers 2011-07-12 20:48:39 +02:00 • committed by Al Viro
commit f15146380d
6 changed files with 20 additions and 43 deletions

View file

@ -673,7 +673,7 @@ static int mounts_open_common(struct inode *inode, struct file *file,
p->m.private = p;
p->ns = ns;
p->root = root;
p->event = ns->event;
p->m.poll_event = ns->event;
return 0;