]> git.baikalelectronics.ru Git - kernel.git/commit
ceph: do not set r_old_dentry_dir on link()
authorSage Weil <sage@inktank.com>
Tue, 5 Feb 2013 21:41:23 +0000 (13:41 -0800)
committerYan, Zheng <zheng.z.yan@intel.com>
Thu, 3 Apr 2014 02:33:53 +0000 (10:33 +0800)
commit729a3a84742332e576bc3dcc5a312f3c424bd224
tree41a7b687f380b397d379883295a6994e098583b5
parent1ab9b68f7fa1b3b2cba79901a258550760c49cc9
ceph: do not set r_old_dentry_dir on link()

This is racy--we do not know whather d_parent has changed out from
underneath us because i_mutex is not held on the source inode's directory.

Also, taking this reference is useless.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>
fs/ceph/dir.c