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 akpm@linux-foundation.org
Acked-by: NeilBrown <neilb@suse.de>
Tested-by: Lucas De Marchi lucas.demarchi@profusion.mobi
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Kay Sievers
2011-07-12 20:48:39 +02:00
committed by Al Viro
parent 72c5052ddc
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;