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From: Tejun Heo <htejun@gmail.com>
To: ebiederm@xmission.com, cornelia.huck@de.ibm.com, greg@kroah.com,
	stern@rowland.harvard.edu, kay.sievers@vrfy.org,
	linux-kernel@vger.kernel.org, htejun@gmail.com
Cc: Tejun Heo <htejun@gmail.com>
Subject: [PATCH 1/8] sysfs: notify file on deactivation
Date: Thu, 20 Sep 2007 17:31:37 +0900	[thread overview]
Message-ID: <1190277097165-git-send-email-htejun@gmail.com> (raw)
In-Reply-To: <11902770971822-git-send-email-htejun@gmail.com>

Notify file on deactivation so that the pollers get event when the
polled file dies, which is very easy to implement with sd based
interface.

Signed-off-by: Tejun Heo <htejun@gmail.com>
---
 fs/sysfs/dir.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index a74ca4a..d50d3ac 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -245,6 +245,10 @@ static void sysfs_deactivate(struct sysfs_dirent *sd)
 	 */
 	v = atomic_add_return(SD_DEACTIVATED_BIAS, &sd->s_active);
 
+	/* file is dying, notify pollers */
+	if (sysfs_type(sd) == SYSFS_FILE)
+		sysfs_notify_file(sd);
+
 	if (v != SD_DEACTIVATED_BIAS)
 		wait_for_completion(&wait);
 
-- 
1.5.0.3



  parent reply	other threads:[~2007-09-20  8:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-20  8:31 [PATCHSET 4/4] sysfs: implement new features Tejun Heo
2007-09-20  8:31 ` [PATCH 2/8] sysfs: add name formatting support for symlinks Tejun Heo
2007-09-20  8:31 ` Tejun Heo [this message]
2007-09-20  8:31 ` [PATCH 3/8] sysfs: chain symlinks to their targets Tejun Heo
2007-09-20  8:31 ` [PATCH 6/8] sysfs: implement plugged creation of sysfs nodes Tejun Heo
2007-09-20  8:31 ` [PATCH 4/8] sysfs: implement symlink auto-removal Tejun Heo
2007-09-20  8:31 ` [PATCH 8/8] sysfs: add copyrights Tejun Heo
2007-09-20  8:31 ` [PATCH 5/8] sysfs: implement symlink auto-rename Tejun Heo
2007-09-20  8:31 ` [PATCH 7/8] sysfs: implement batch error handling Tejun Heo
2007-09-25 22:50 ` [PATCHSET 4/4] sysfs: implement new features Greg KH
2007-09-27 12:24   ` Tejun Heo
2007-09-27 22:38   ` Kyle Moffett

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