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proc: Update proc_flush_task_mnt to use d_invalidate
authorEric W. Biederman <ebiederm@xmission.com>
Thu, 13 Feb 2014 18:24:23 +0000 (10:24 -0800)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 9 Oct 2014 06:38:58 +0000 (02:38 -0400)
commitbbd5192412fdedbae00888316bfe350bf89d0458
treea9fc77990ac4807b581f7f5b5cf6739af826d343tree | snapshot (tar.gz zip)
parentc143c2333c48f1430231b31a8c17e074b9b504ebcommit | diff
proc: Update proc_flush_task_mnt to use d_invalidate

Now that d_invalidate always succeeds and flushes mount points use
it in stead of a combination of shrink_dcache_parent and d_drop
in proc_flush_task_mnt.  This removes the danger of a mount point
under /proc/<pid>/... becoming unreachable after the d_drop.

Reviewed-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/proc/base.c diff | blob | blame | history