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authorArjan van de Ven <arjan@infradead.org>2006-07-03 00:25:16 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:08 -0700
commitc6573c2904231279de0584787d6214f19a128d0b (patch)
tree6d751e87c8b069d10f9e199a0e1df791fd822b7d /fs/ntfs
parentad33945175bed649ca5fe0881269db005bbb449a (diff)
[PATCH] lockdep: annotate sunrpc code
Add i_mutex ordering annotations to the sunrpc rpc_pipe code. This code has 3 levels of i_mutex hierarchy in some cases: parent dir, client dir and file inside client dir; the i_mutex ordering is I_MUTEX_PARENT -> I_MUTEX_CHILD -> I_MUTEX_NORMAL This patch applies this ordering annotation to the various functions. This is in line with the VFS expected ordering where it is always OK to lock a child after locking a parent; the sunrpc code is very diligent in doing this correctly. Has no effect on non-lockdep kernels. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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