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Message-Id: <1300309888-5028-2-git-send-email-gregkh@suse.de> Date: Wed, 16 Mar 2011 14:10:40 -0700 From: Greg Kroah-Hartman <gregkh@...e.de> To: linux-kernel@...r.kernel.org Cc: Bart Van Assche <bvanassche@....org>, Tejun Heo <tj@...nel.org>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Greg Kroah-Hartman <gregkh@...e.de> Subject: [PATCH 02/50] docs/sysfs: Update directory/kobject documentation. From: Bart Van Assche <bvanassche@....org> Some time ago the way how sysfs stores a pointer to a kobject corresponding to a directory was modified. This patch brings the documentation again in sync with the implementation. Signed-off-by: Bart Van Assche <bvanassche@....org> Cc: Tejun Heo <tj@...nel.org> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- Documentation/filesystems/sysfs.txt | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt index 5d1335fae..2ed95f9 100644 --- a/Documentation/filesystems/sysfs.txt +++ b/Documentation/filesystems/sysfs.txt @@ -39,10 +39,12 @@ userspace. Top-level directories in sysfs represent the common ancestors of object hierarchies; i.e. the subsystems the objects belong to. -Sysfs internally stores the kobject that owns the directory in the -->d_fsdata pointer of the directory's dentry. This allows sysfs to do -reference counting directly on the kobject when the file is opened and -closed. +Sysfs internally stores a pointer to the kobject that implements a +directory in the sysfs_dirent object associated with the directory. In +the past this kobject pointer has been used by sysfs to do reference +counting directly on the kobject whenever the file is opened or closed. +With the current sysfs implementation the kobject reference count is +only modified directly by the function sysfs_schedule_callback(). Attributes -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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