tree 935f4d42ff568efd595700889a1839a604aa8cec
parent a4633357ac610cd2f8740e28a31fc148a7960421
author Christoph Hellwig <hch@infradead.org> 1286703387 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1288056373 -0400

fs: use RCU read side protection in d_validate

d_validate does a purely read lookup in the dentry hash, so use RCU read side
locking instead of dcache_lock.  Split out from a larget patch by
Nick Piggin <npiggin@suse.de>.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>