fs: dcache remove dcache_lock

Documentation/filesystems/Locking

Documentation/filesystems/dentry-locking.txt

Documentation/filesystems/porting

arch/powerpc/platforms/cell/spufs/inode.c

drivers/infiniband/hw/ipath/ipath_fs.c

drivers/infiniband/hw/qib/qib_fs.c

drivers/staging/pohmelfs/path_entry.c

drivers/staging/smbfs/cache.c

drivers/usb/core/inode.c

fs/9p/vfs_inode.c

fs/affs/amigaffs.c

fs/autofs4/autofs_i.h

fs/autofs4/expire.c

fs/autofs4/root.c

fs/autofs4/waitq.c

fs/ceph/dir.c

fs/ceph/inode.c

fs/cifs/inode.c

fs/coda/cache.c

fs/configfs/configfs_internal.h