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authorKay Sievers <kay.sievers@vrfy.org>2011-07-12 20:48:39 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 20:47:50 -0400
commitf15146380d28b746df3c8b81b392812eb982382a (patch)
treebf43b38b60c21bd01b007c9636062783d406eb29 /fs
parent72c5052ddc3956d847f21c2b8d55c93664a51b2c (diff)
downloadop-kernel-dev-f15146380d28b746df3c8b81b392812eb982382a.zip
op-kernel-dev-f15146380d28b746df3c8b81b392812eb982382a.tar.gz
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/namespace.c4
-rw-r--r--fs/proc/base.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index fe59bd1..cda50fe 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -934,8 +934,8 @@ int mnt_had_events(struct proc_mounts *p)
int res = 0;
br_read_lock(vfsmount_lock);
- if (p->event != ns->event) {
- p->event = ns->event;
+ if (p->m.poll_event != ns->event) {
+ p->m.poll_event = ns->event;
res = 1;
}
br_read_unlock(vfsmount_lock);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index be1ff93..3dc5e2a 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -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;
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