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percpu: add __percpu sparse annotations to fs

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Add __percpu sparse annotations to fs.

These annotations are to make sparse consider percpu variables to be
in a different address space and warn if accessed without going
through percpu accessors.  This patch doesn't affect normal builds.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Alex Elder <aelder@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Tejun Heo 2010-02-02 14:39:01 +09:00
parent 43cf38eb5c
commit 003cb608a2
5 changed files with 6 additions and 6 deletions
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2
include/linux/mount.h
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@ -66,7 +66,7 @@ struct vfsmount {
int mnt_pinned;
int mnt_ghosts;
#ifdef CONFIG_SMP
int *mnt_writers;
int __percpu *mnt_writers;
#else
int mnt_writers;
#endif