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Message-Id: <1248817481-13372-1-git-send-email-gregkh@suse.de> Date: Tue, 28 Jul 2009 14:44:37 -0700 From: Greg Kroah-Hartman <gregkh@...e.de> To: linux-kernel@...r.kernel.org Cc: Peter Oberparleiter <oberpar@...ux.vnet.ibm.com>, stable <stable@...nel.org>, Greg Kroah-Hartman <gregkh@...e.de> Subject: [PATCH 1/5] sysfs: fix hardlink count on device_move From: Peter Oberparleiter <oberpar@...ux.vnet.ibm.com> Update directory hardlink count when moving kobjects to a new parent. Fixes the following problem which occurs when several devices are moved to the same parent and then unregistered: > ls -laF /sys/devices/css0/defunct/ > total 0 > drwxr-xr-x 4294967295 root root 0 2009-07-14 17:02 ./ > drwxr-xr-x 114 root root 0 2009-07-14 17:02 ../ > drwxr-xr-x 2 root root 0 2009-07-14 17:01 power/ > -rw-r--r-- 1 root root 4096 2009-07-14 17:01 uevent Signed-off-by: Peter Oberparleiter <oberpar@...ux.vnet.ibm.com> Cc: stable <stable@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- fs/sysfs/dir.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index d88d0fa..14f2d71 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -939,8 +939,10 @@ again: /* Remove from old parent's list and insert into new parent's list. */ sysfs_unlink_sibling(sd); sysfs_get(new_parent_sd); + drop_nlink(old_parent->d_inode); sysfs_put(sd->s_parent); sd->s_parent = new_parent_sd; + inc_nlink(new_parent->d_inode); sysfs_link_sibling(sd); out_unlock: -- 1.6.3.2 -- 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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