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| author | Kay Sievers <kay.sievers@vrfy.org> | 2011-07-12 20:48:39 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-20 20:47:50 -0400 |
| commit | f15146380d28b746df3c8b81b392812eb982382a (patch) | |
| tree | bf43b38b60c21bd01b007c9636062783d406eb29 /fs | |
| parent | 72c5052ddc3956d847f21c2b8d55c93664a51b2c (diff) | |
| download | linux-3.10-f15146380d28b746df3c8b81b392812eb982382a.tar.gz linux-3.10-f15146380d28b746df3c8b81b392812eb982382a.tar.bz2 linux-3.10-f15146380d28b746df3c8b81b392812eb982382a.zip | |
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.c | 4 | ||||
| -rw-r--r-- | fs/proc/base.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index fe59bd145d2..cda50fe9250 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 be1ff932033..3dc5e2a5cc3 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; |