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author	Nick Piggin <npiggin@kernel.dk>
	Fri, 7 Jan 2011 06:49:32 +0000 (17:49 +1100)
committer	Nick Piggin <npiggin@kernel.dk>
	Fri, 7 Jan 2011 06:50:21 +0000 (17:50 +1100)
commit	b7ab39f631f505edc2bbdb86620d5493f995c9da
tree	62be97ebc7fc69ceb601f23312d335ebb8038ee7	tree \| snapshot (tar.gz zip)
parent	2304450783dfde7b0b94ae234edd0dbffa865073	commit \| diff

fs: dcache scale dentry refcount

Make d_count non-atomic and protect it with d_lock. This allows us to ensure a
0 refcount dentry remains 0 without dcache_lock. It is also fairly natural when
we start protecting many other dentry members with d_lock.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

21 files changed:

arch/powerpc/platforms/cell/spufs/inode.c		diff \| blob \| blame \| history
drivers/infiniband/hw/ipath/ipath_fs.c		diff \| blob \| blame \| history
drivers/infiniband/hw/qib/qib_fs.c		diff \| blob \| blame \| history
fs/autofs4/expire.c		diff \| blob \| blame \| history
fs/autofs4/root.c		diff \| blob \| blame \| history
fs/ceph/dir.c		diff \| blob \| blame \| history
fs/ceph/inode.c		diff \| blob \| blame \| history
fs/ceph/mds_client.c		diff \| blob \| blame \| history
fs/coda/dir.c		diff \| blob \| blame \| history
fs/configfs/dir.c		diff \| blob \| blame \| history
fs/configfs/inode.c		diff \| blob \| blame \| history
fs/dcache.c		diff \| blob \| blame \| history
fs/ecryptfs/inode.c		diff \| blob \| blame \| history
fs/locks.c		diff \| blob \| blame \| history
fs/namei.c		diff \| blob \| blame \| history
fs/nfs/dir.c		diff \| blob \| blame \| history
fs/nfs/unlink.c		diff \| blob \| blame \| history
fs/nfsd/vfs.c		diff \| blob \| blame \| history
fs/nilfs2/super.c		diff \| blob \| blame \| history
include/linux/dcache.h		diff \| blob \| blame \| history
kernel/cgroup.c		diff \| blob \| blame \| history

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