p9_client_readn    63 fs/9p/vfs_addr.c 	retval = p9_client_readn(fid, buffer, offset, PAGE_CACHE_SIZE);
p9_client_readn   107 include/net/9p/client.h int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count);