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Revert "sysfs: Kill nlink counting."

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This reverts commit 524b6c5b39.

It has shown to break userspace tools, which is not acceptable.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2012-03-08 13:03:10 -08:00
parent 7b60a18da3
commit 54d20f006c
3 changed files with 10 additions and 0 deletions
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6
fs/sysfs/dir.c
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@@ -91,6 +91,9 @@ static int sysfs_link_sibling(struct sysfs_dirent *sd)
struct rb_node **node = &sd->s_parent->s_dir.children.rb_node;
struct rb_node *parent = NULL;
if (sysfs_type(sd) == SYSFS_DIR)
sd->s_parent->s_dir.subdirs++;
while (*node) {
struct sysfs_dirent *pos;
int result;
@@ -123,6 +126,9 @@ static int sysfs_link_sibling(struct sysfs_dirent *sd)
*/
static void sysfs_unlink_sibling(struct sysfs_dirent *sd)
{
if (sysfs_type(sd) == SYSFS_DIR)
sd->s_parent->s_dir.subdirs--;
rb_erase(&sd->s_rb, &sd->s_parent->s_dir.children);
}