pnfs_generic_sync  984 fs/nfs/blocklayout/blocklayout.c 	.sync				= pnfs_generic_sync,
pnfs_generic_sync 1008 fs/nfs/blocklayout/blocklayout.c 	.sync				= pnfs_generic_sync,
pnfs_generic_sync 3053 fs/nfs/pnfs.c  EXPORT_SYMBOL_GPL(pnfs_generic_sync);
pnfs_generic_sync  296 fs/nfs/pnfs.h  int pnfs_generic_sync(struct inode *inode, bool datasync);