Import 4.4BSD-Lite2 onto the vendor branch, note that in the kernel, all
files are off the vendor branch, so this should not change anything. A "U" marker generally means that the file was not changed in between the 4.4Lite and Lite-2 releases, and does not need a merge. "C" generally means that there was a change.
This commit is contained in:
Peter Wemm
parent
6889b16a1c
commit
c2f4655726
274
sys/conf/files
Normal file
274
sys/conf/files
Normal file
@ -0,0 +1,274 @@
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isofs/cd9660/cd9660_bmap.c optional cd9660
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isofs/cd9660/cd9660_lookup.c optional cd9660
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isofs/cd9660/cd9660_node.c optional cd9660
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isofs/cd9660/cd9660_rrip.c optional cd9660
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isofs/cd9660/cd9660_util.c optional cd9660
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isofs/cd9660/cd9660_vfsops.c optional cd9660
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isofs/cd9660/cd9660_vnops.c optional cd9660
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kdb/kdb_access.c optional kadb
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kdb/kdb_command.c optional kadb
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kdb/kdb_ctype.c optional kadb
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kdb/kdb_expr.c optional kadb
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kdb/kdb_format.c optional kadb
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kdb/kdb_input.c optional kadb
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kdb/kdb_message.c optional kadb
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kdb/kdb_output.c optional kadb
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kdb/kdb_pcs.c optional kadb
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kdb/kdb_print.c optional kadb
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kdb/kdb_runpcs.c optional kadb
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kdb/kdb_sym.c optional kadb
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kdb/kdb_trap.c optional kadb
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kern/init_main.c standard
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kern/init_sysent.c standard
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kern/kern_acct.c standard
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kern/kern_clock.c standard
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kern/kern_descrip.c standard
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kern/kern_exec.c standard
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kern/kern_exit.c standard
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kern/kern_fork.c standard
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kern/kern_ktrace.c standard
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kern/kern_malloc.c standard
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kern/kern_physio.c standard
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kern/kern_proc.c standard
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kern/kern_prot.c standard
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kern/kern_resource.c standard
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kern/kern_sig.c standard
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kern/kern_subr.c standard
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kern/kern_synch.c standard
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kern/kern_sysctl.c standard
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kern/kern_time.c standard
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kern/kern_xxx.c standard
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kern/kern_lock.c standard
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kern/subr_log.c standard
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kern/subr_prf.c standard
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kern/subr_prof.c standard
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kern/subr_rmap.c standard
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kern/subr_xxx.c standard
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kern/sys_generic.c standard
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kern/sys_process.c standard
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kern/sys_socket.c standard
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kern/sysv_shm.c optional sysvshm
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kern/tty.c standard
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kern/tty_compat.c standard
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kern/tty_conf.c standard
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kern/tty_pty.c optional pty
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kern/tty_subr.c standard
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kern/tty_tb.c optional tb
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kern/tty_tty.c standard
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kern/uipc_domain.c standard
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kern/uipc_mbuf.c standard
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kern/uipc_proto.c standard
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kern/uipc_socket.c standard
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kern/uipc_socket2.c standard
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kern/uipc_syscalls.c standard
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kern/uipc_usrreq.c standard
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kern/vfs_bio.c standard
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kern/vfs_cache.c standard
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kern/vfs_cluster.c standard
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kern/vfs_conf.c standard
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kern/vfs_init.c standard
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kern/vfs_lookup.c standard
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kern/vfs_subr.c standard
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kern/vfs_syscalls.c standard
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kern/vfs_vnops.c standard
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miscfs/deadfs/dead_vnops.c standard
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miscfs/fdesc/fdesc_vfsops.c optional fdesc
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miscfs/fdesc/fdesc_vnops.c optional fdesc
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miscfs/fifofs/fifo_vnops.c optional fifo
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miscfs/kernfs/kernfs_vfsops.c optional kernfs
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miscfs/kernfs/kernfs_vnops.c optional kernfs
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miscfs/nullfs/null_subr.c optional nullfs
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miscfs/nullfs/null_vfsops.c optional nullfs
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miscfs/nullfs/null_vnops.c optional nullfs
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miscfs/portal/portal_vfsops.c optional portal
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miscfs/portal/portal_vnops.c optional portal
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miscfs/procfs/procfs_subr.c optional procfs
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miscfs/procfs/procfs_vnops.c optional procfs
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miscfs/procfs/procfs_vfsops.c optional procfs
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miscfs/procfs/procfs_note.c optional procfs
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miscfs/procfs/procfs_mem.c optional procfs
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miscfs/procfs/procfs_ctl.c optional procfs
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miscfs/procfs/procfs_status.c optional procfs
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miscfs/procfs/procfs_regs.c optional procfs
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miscfs/procfs/procfs_fpregs.c optional procfs
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miscfs/specfs/spec_vnops.c standard
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miscfs/umapfs/umap_subr.c optional umapfs
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miscfs/umapfs/umap_vfsops.c optional umapfs
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miscfs/umapfs/umap_vnops.c optional umapfs
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miscfs/union/union_subr.c optional union
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miscfs/union/union_vfsops.c optional union
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miscfs/union/union_vnops.c optional union
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net/bpf.c optional bpfilter
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net/bpf_filter.c optional bpfilter
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net/if.c standard
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net/if_ethersubr.c optional ether
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net/if_loop.c optional loop
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net/if_sl.c optional sl
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net/radix.c standard
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net/raw_cb.c standard
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net/raw_usrreq.c standard
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net/route.c standard
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net/rtsock.c standard
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net/slcompress.c optional sl
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netccitt/ccitt_proto.c optional ccitt
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netccitt/llc_input.c optional llc
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netccitt/llc_output.c optional llc
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netccitt/llc_subr.c optional llc
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netccitt/llc_timer.c optional llc
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netccitt/pk_llcsubr.c optional llc
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netccitt/pk_llcsubr.c optional hdlc
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netccitt/hd_debug.c optional hdlc
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netccitt/hd_input.c optional hdlc
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netccitt/hd_output.c optional hdlc
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netccitt/hd_subr.c optional hdlc
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netccitt/hd_timer.c optional hdlc
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netccitt/if_x25subr.c optional ccitt
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netccitt/pk_acct.c optional ccitt
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netccitt/pk_debug.c optional ccitt
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netccitt/pk_input.c optional ccitt
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netccitt/pk_output.c optional ccitt
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netccitt/pk_subr.c optional ccitt
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netccitt/pk_timer.c optional ccitt
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netccitt/pk_usrreq.c optional ccitt
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netimp/if_imp.c optional imp
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netimp/if_imphost.c optional imp
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netimp/raw_imp.c optional imp
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netinet/if_ether.c optional ether
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netinet/igmp.c optional inet
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netinet/in.c optional inet
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netinet/in_pcb.c optional inet
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netinet/in_proto.c optional inet
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netinet/ip_icmp.c optional inet
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netinet/ip_input.c optional inet
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netinet/ip_mroute.c optional inet mrouting
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netinet/ip_output.c optional inet
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netinet/raw_ip.c optional inet
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netinet/tcp_debug.c optional inet
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netinet/tcp_input.c optional inet
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netinet/tcp_output.c optional inet
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netinet/tcp_subr.c optional inet
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netinet/tcp_timer.c optional inet
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netinet/tcp_usrreq.c optional inet
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netinet/udp_usrreq.c optional inet
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netiso/clnp_debug.c optional iso
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netiso/clnp_er.c optional iso
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netiso/clnp_frag.c optional iso
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netiso/clnp_input.c optional iso
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netiso/clnp_options.c optional iso
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netiso/clnp_output.c optional iso
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netiso/clnp_raw.c optional iso
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netiso/clnp_subr.c optional iso
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netiso/clnp_timer.c optional iso
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netiso/cltp_usrreq.c optional iso
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netiso/esis.c optional iso
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netiso/idrp_usrreq.c optional iso
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netiso/if_eon.c optional eon
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netiso/iso.c optional iso
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netiso/iso_chksum.c optional iso
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netiso/iso_pcb.c optional iso
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netiso/iso_proto.c optional iso
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netiso/iso_snpac.c optional iso
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netiso/tp_astring.c optional iso
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netiso/tp_astring.c optional tpip
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netiso/tp_cons.c optional iso
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netiso/tp_driver.c optional iso
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netiso/tp_driver.c optional tpip
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netiso/tp_emit.c optional iso
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netiso/tp_emit.c optional tpip
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netiso/tp_inet.c optional iso
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netiso/tp_inet.c optional tpip
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netiso/tp_input.c optional iso
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netiso/tp_input.c optional tpip
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netiso/tp_iso.c optional iso
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netiso/tp_meas.c optional iso
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netiso/tp_meas.c optional tpip
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netiso/tp_output.c optional iso
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netiso/tp_output.c optional tpip
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netiso/tp_pcb.c optional iso
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netiso/tp_pcb.c optional tpip
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netiso/tp_subr.c optional iso
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netiso/tp_subr.c optional tpip
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netiso/tp_subr2.c optional iso
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netiso/tp_subr2.c optional tpip
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netiso/tp_timer.c optional iso
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netiso/tp_timer.c optional tpip
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netiso/tp_trace.c optional iso
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netiso/tp_trace.c optional tpip
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netiso/tp_usrreq.c optional iso
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netiso/tp_usrreq.c optional tpip
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netiso/tuba_subr.c optional iso tuba
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netiso/tuba_table.c optional iso tuba
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netiso/tuba_usrreq.c optional iso tuba
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netns/idp_usrreq.c optional ns
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netns/ns.c optional ns
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netns/ns_error.c optional ns
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netns/ns_input.c optional ns
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netns/ns_ip.c optional ns
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netns/ns_output.c optional ns
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netns/ns_pcb.c optional ns
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netns/ns_proto.c optional ns
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netns/spp_debug.c optional ns
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netns/spp_usrreq.c optional ns
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nfs/nfs_bio.c optional nfs
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nfs/nfs_node.c optional nfs
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nfs/nfs_nqlease.c optional nfs
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nfs/nfs_serv.c optional nfs
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nfs/nfs_socket.c optional nfs
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nfs/nfs_srvcache.c optional nfs
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nfs/nfs_subs.c optional nfs
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nfs/nfs_syscalls.c optional nfs
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nfs/nfs_vfsops.c optional nfs
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nfs/nfs_vnops.c optional nfs
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ufs/ffs/ffs_alloc.c optional ffs
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ufs/ffs/ffs_alloc.c optional mfs
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ufs/ffs/ffs_balloc.c optional ffs
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ufs/ffs/ffs_balloc.c optional mfs
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ufs/ffs/ffs_inode.c optional ffs
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ufs/ffs/ffs_inode.c optional mfs
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ufs/ffs/ffs_subr.c optional ffs
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ufs/ffs/ffs_subr.c optional mfs
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ufs/ffs/ffs_tables.c optional ffs
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ufs/ffs/ffs_tables.c optional mfs
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ufs/ffs/ffs_vfsops.c optional ffs
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ufs/ffs/ffs_vfsops.c optional mfs
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ufs/ffs/ffs_vnops.c optional ffs
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ufs/ffs/ffs_vnops.c optional mfs
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ufs/lfs/lfs_alloc.c optional lfs
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ufs/lfs/lfs_bio.c optional lfs
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ufs/lfs/lfs_balloc.c optional lfs
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ufs/lfs/lfs_cksum.c optional lfs
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ufs/lfs/lfs_debug.c optional lfs
|
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ufs/lfs/lfs_inode.c optional lfs
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ufs/lfs/lfs_segment.c optional lfs
|
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ufs/lfs/lfs_subr.c optional lfs
|
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ufs/lfs/lfs_syscalls.c optional lfs
|
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ufs/lfs/lfs_vfsops.c optional lfs
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ufs/lfs/lfs_vnops.c optional lfs
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ufs/mfs/mfs_vfsops.c optional mfs
|
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ufs/mfs/mfs_vnops.c optional mfs
|
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ufs/ufs/ufs_bmap.c standard
|
||||
ufs/ufs/ufs_disksubr.c standard
|
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ufs/ufs/ufs_ihash.c standard
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ufs/ufs/ufs_inode.c standard
|
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ufs/ufs/ufs_lockf.c standard
|
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ufs/ufs/ufs_lookup.c standard
|
||||
ufs/ufs/ufs_quota.c standard
|
||||
ufs/ufs/ufs_vfsops.c standard
|
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ufs/ufs/ufs_vnops.c standard
|
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vm/device_pager.c optional devpager
|
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vm/swap_pager.c optional swappager
|
||||
vm/vm_fault.c standard
|
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vm/vm_glue.c standard
|
||||
vm/vm_init.c standard
|
||||
vm/vm_kern.c standard
|
||||
vm/vm_map.c standard
|
||||
vm/vm_meter.c standard
|
||||
vm/vm_mmap.c standard
|
||||
vm/vm_object.c standard
|
||||
vm/vm_page.c standard
|
||||
vm/vm_pageout.c standard
|
||||
vm/vm_pager.c standard
|
||||
vm/vm_swap.c standard
|
||||
vm/vm_unix.c standard
|
||||
vm/vm_user.c standard
|
||||
vm/vnode_pager.c optional vnodepager
|
||||
274
sys/conf/files.newconf
Normal file
274
sys/conf/files.newconf
Normal file
@ -0,0 +1,274 @@
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# @(#)files.newconf 8.10 (Berkeley) 5/1/94
|
||||
|
||||
# generic attributes
|
||||
define disk
|
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define tape
|
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define ifnet
|
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define tty
|
||||
|
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# net device attributes - we have generic code for ether.
|
||||
# we should have imp but right now it is a pseudo-device.
|
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define ether
|
||||
# define imp
|
||||
pseudo-device imp
|
||||
|
||||
# scsi driver and associated stuff
|
||||
define scsi { target = -1 }
|
||||
device tg at scsi { drive = -1 }
|
||||
file dev/scsi/scsi_subr.c scsi
|
||||
|
||||
device sd at tg: disk
|
||||
file dev/scsi/sd.c sd needs-flag
|
||||
|
||||
# device st at tg: tape -- not yet
|
||||
|
||||
# legitimate pseudo-devices
|
||||
pseudo-device bpfilter
|
||||
pseudo-device cd: disk
|
||||
pseudo-device loop
|
||||
pseudo-device pty: tty
|
||||
pseudo-device sl
|
||||
pseudo-device vn: disk
|
||||
|
||||
# kernel sources
|
||||
file isofs/cd9660/cd9660_bmap.c cd9660
|
||||
file isofs/cd9660/cd9660_lookup.c cd9660
|
||||
file isofs/cd9660/cd9660_node.c cd9660
|
||||
file isofs/cd9660/cd9660_rrip.c cd9660
|
||||
file isofs/cd9660/cd9660_util.c cd9660
|
||||
file isofs/cd9660/cd9660_vfsops.c cd9660
|
||||
file isofs/cd9660/cd9660_vnops.c cd9660
|
||||
file kern/init_main.c
|
||||
file kern/init_sysent.c
|
||||
file kern/kern_acct.c
|
||||
file kern/kern_clock.c
|
||||
file kern/kern_descrip.c
|
||||
file kern/kern_exec.c
|
||||
file kern/kern_exit.c
|
||||
file kern/kern_fork.c
|
||||
file kern/kern_ktrace.c ktrace
|
||||
file kern/kern_malloc.c
|
||||
file kern/kern_physio.c
|
||||
file kern/kern_proc.c
|
||||
file kern/kern_prot.c
|
||||
file kern/kern_resource.c
|
||||
file kern/kern_sig.c
|
||||
file kern/kern_subr.c
|
||||
file kern/kern_synch.c
|
||||
file kern/kern_sysctl.c
|
||||
file kern/kern_time.c
|
||||
file kern/kern_xxx.c
|
||||
file kern/subr_autoconf.c
|
||||
file kern/subr_log.c
|
||||
file kern/subr_prf.c
|
||||
file kern/subr_prof.c
|
||||
file kern/subr_rmap.c
|
||||
file kern/subr_xxx.c
|
||||
file kern/sys_generic.c
|
||||
file kern/sys_process.c
|
||||
file kern/sys_socket.c
|
||||
file kern/sysv_shm.c sysvshm
|
||||
file kern/tty.c
|
||||
file kern/tty_compat.c
|
||||
file kern/tty_conf.c
|
||||
file kern/tty_pty.c pty needs-count
|
||||
file kern/tty_subr.c
|
||||
file kern/tty_tb.c tb needs-flag
|
||||
file kern/tty_tty.c
|
||||
file kern/uipc_domain.c
|
||||
file kern/uipc_mbuf.c
|
||||
file kern/uipc_proto.c
|
||||
file kern/uipc_socket.c
|
||||
file kern/uipc_socket2.c
|
||||
file kern/uipc_syscalls.c
|
||||
file kern/uipc_usrreq.c
|
||||
file kern/vfs_bio.c
|
||||
file kern/vfs_cache.c
|
||||
file kern/vfs_cluster.c
|
||||
file kern/vfs_conf.c
|
||||
file kern/vfs_init.c
|
||||
file kern/vfs_lookup.c
|
||||
file kern/vfs_subr.c
|
||||
file kern/vfs_syscalls.c
|
||||
file kern/vfs_vnops.c
|
||||
file miscfs/deadfs/dead_vnops.c
|
||||
file miscfs/fdesc/fdesc_vfsops.c fdesc
|
||||
file miscfs/fdesc/fdesc_vnops.c fdesc
|
||||
file miscfs/fifofs/fifo_vnops.c fifo
|
||||
file miscfs/kernfs/kernfs_vfsops.c kernfs
|
||||
file miscfs/kernfs/kernfs_vnops.c kernfs
|
||||
file miscfs/nullfs/null_subr.c nullfs
|
||||
file miscfs/nullfs/null_vfsops.c nullfs
|
||||
file miscfs/nullfs/null_vnops.c nullfs
|
||||
file miscfs/portal/portal_vfsops.c portal
|
||||
file miscfs/portal/portal_vnops.c portal
|
||||
file miscfs/procfs/procfs_subr.c procfs
|
||||
file miscfs/procfs/procfs_vnops.c procfs
|
||||
file miscfs/procfs/procfs_vfsops.c procfs
|
||||
file miscfs/procfs/procfs_note.c procfs
|
||||
file miscfs/procfs/procfs_mem.c procfs
|
||||
file miscfs/procfs/procfs_ctl.c procfs
|
||||
file miscfs/procfs/procfs_status.c procfs
|
||||
file miscfs/procfs/procfs_regs.c procfs
|
||||
file miscfs/procfs/procfs_fpregs.c procfs
|
||||
file miscfs/specfs/spec_vnops.c
|
||||
file miscfs/umapfs/umap_subr.c umapfs
|
||||
file miscfs/umapfs/umap_vfsops.c umapfs
|
||||
file miscfs/umapfs/umap_vnops.c umapfs
|
||||
file miscfs/union/union_subr.c union
|
||||
file miscfs/union/union_vfsops.c union
|
||||
file miscfs/union/union_vnops.c union
|
||||
file net/bpf.c bpfilter needs-count
|
||||
file net/bpf_filter.c bpfilter needs-count
|
||||
file net/if.c
|
||||
file net/if_ethersubr.c ether needs-flag
|
||||
file net/if_loop.c loop needs-count
|
||||
file net/if_sl.c sl needs-count
|
||||
file net/radix.c
|
||||
file net/raw_cb.c
|
||||
file net/raw_usrreq.c
|
||||
file net/route.c
|
||||
file net/rtsock.c
|
||||
file net/slcompress.c sl
|
||||
file netccitt/ccitt_proto.c ccitt
|
||||
file netccitt/llc_input.c llc
|
||||
file netccitt/llc_output.c llc
|
||||
file netccitt/llc_subr.c llc
|
||||
file netccitt/llc_timer.c llc
|
||||
file netccitt/hd_debug.c hdlc
|
||||
file netccitt/hd_input.c hdlc
|
||||
file netccitt/hd_output.c hdlc
|
||||
file netccitt/hd_subr.c hdlc
|
||||
file netccitt/hd_timer.c hdlc
|
||||
file netccitt/if_x25subr.c ccitt
|
||||
file netccitt/pk_acct.c ccitt
|
||||
file netccitt/pk_debug.c ccitt
|
||||
file netccitt/pk_input.c ccitt
|
||||
file netccitt/pk_llcsubr.c llc hdlc
|
||||
file netccitt/pk_output.c ccitt
|
||||
file netccitt/pk_subr.c ccitt
|
||||
file netccitt/pk_timer.c ccitt
|
||||
file netccitt/pk_usrreq.c ccitt
|
||||
file netimp/if_imp.c imp needs-count
|
||||
file netimp/if_imphost.c imp needs-count
|
||||
file netimp/raw_imp.c imp
|
||||
file netinet/if_ether.c ether
|
||||
file netinet/igmp.c inet
|
||||
file netinet/in.c inet
|
||||
file netinet/in_pcb.c inet
|
||||
file netinet/in_proto.c inet
|
||||
file netinet/ip_icmp.c inet
|
||||
file netinet/ip_input.c inet
|
||||
file netinet/ip_mroute.c inet
|
||||
file netinet/ip_output.c inet
|
||||
file netinet/raw_ip.c inet
|
||||
file netinet/tcp_debug.c inet
|
||||
file netinet/tcp_input.c inet
|
||||
file netinet/tcp_output.c inet
|
||||
file netinet/tcp_subr.c inet
|
||||
file netinet/tcp_timer.c inet
|
||||
file netinet/tcp_usrreq.c inet
|
||||
file netinet/udp_usrreq.c inet
|
||||
file netiso/clnp_debug.c iso
|
||||
file netiso/clnp_er.c iso
|
||||
file netiso/clnp_frag.c iso
|
||||
file netiso/clnp_input.c iso
|
||||
file netiso/clnp_options.c iso
|
||||
file netiso/clnp_output.c iso
|
||||
file netiso/clnp_raw.c iso
|
||||
file netiso/clnp_subr.c iso
|
||||
file netiso/clnp_timer.c iso
|
||||
file netiso/cltp_usrreq.c iso
|
||||
file netiso/esis.c iso
|
||||
file netiso/if_eon.c eon
|
||||
file netiso/idrp_usrreq.c iso
|
||||
file netiso/iso.c iso
|
||||
file netiso/iso_chksum.c iso
|
||||
file netiso/iso_pcb.c iso
|
||||
file netiso/iso_proto.c iso
|
||||
file netiso/iso_snpac.c iso
|
||||
file netiso/tp_astring.c iso tpip
|
||||
file netiso/tp_cons.c iso
|
||||
file netiso/tp_driver.c iso tpip
|
||||
file netiso/tp_emit.c iso tpip
|
||||
file netiso/tp_inet.c iso tpip
|
||||
file netiso/tp_input.c iso tpip
|
||||
file netiso/tp_iso.c iso
|
||||
file netiso/tp_meas.c iso tpip
|
||||
file netiso/tp_output.c iso tpip
|
||||
file netiso/tp_pcb.c iso tpip
|
||||
file netiso/tp_subr.c iso tpip
|
||||
file netiso/tp_subr2.c iso tpip
|
||||
file netiso/tp_timer.c iso tpip
|
||||
file netiso/tp_trace.c iso tpip
|
||||
file netiso/tp_usrreq.c iso tpip
|
||||
file netiso/tuba_subr.c iso tuba
|
||||
file netiso/tuba_table.c iso tuba
|
||||
file netiso/tuba_usrreq.c iso tuba
|
||||
file netns/idp_usrreq.c ns
|
||||
file netns/ns.c ns
|
||||
file netns/ns_error.c ns
|
||||
file netns/ns_input.c ns
|
||||
file netns/ns_ip.c ns
|
||||
file netns/ns_output.c ns
|
||||
file netns/ns_pcb.c ns
|
||||
file netns/ns_proto.c ns
|
||||
file netns/spp_debug.c ns
|
||||
file netns/spp_usrreq.c ns
|
||||
file nfs/nfs_bio.c nfs
|
||||
file nfs/nfs_node.c nfs
|
||||
file nfs/nfs_nqlease.c nfs
|
||||
file nfs/nfs_serv.c nfs
|
||||
file nfs/nfs_socket.c nfs
|
||||
file nfs/nfs_srvcache.c nfs
|
||||
file nfs/nfs_subs.c nfs
|
||||
file nfs/nfs_syscalls.c nfs
|
||||
file nfs/nfs_vfsops.c nfs
|
||||
file nfs/nfs_vnops.c nfs
|
||||
file ufs/ffs/ffs_alloc.c ffs mfs
|
||||
file ufs/ffs/ffs_balloc.c ffs mfs
|
||||
file ufs/ffs/ffs_inode.c ffs mfs
|
||||
file ufs/ffs/ffs_subr.c ffs mfs
|
||||
file ufs/ffs/ffs_tables.c ffs mfs
|
||||
file ufs/ffs/ffs_vfsops.c ffs mfs
|
||||
file ufs/ffs/ffs_vnops.c ffs mfs
|
||||
file ufs/lfs/lfs_alloc.c lfs
|
||||
file ufs/lfs/lfs_bio.c lfs
|
||||
file ufs/lfs/lfs_balloc.c lfs
|
||||
file ufs/lfs/lfs_cksum.c lfs
|
||||
file ufs/lfs/lfs_debug.c lfs
|
||||
file ufs/lfs/lfs_inode.c lfs
|
||||
file ufs/lfs/lfs_segment.c lfs
|
||||
file ufs/lfs/lfs_subr.c lfs
|
||||
file ufs/lfs/lfs_syscalls.c lfs
|
||||
file ufs/lfs/lfs_vfsops.c lfs
|
||||
file ufs/lfs/lfs_vnops.c lfs
|
||||
file ufs/mfs/mfs_vfsops.c mfs
|
||||
file ufs/mfs/mfs_vnops.c mfs
|
||||
file ufs/ufs/ufs_bmap.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_disksubr.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_ihash.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_inode.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_lockf.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_lookup.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_quota.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_vfsops.c ffs lfs mfs
|
||||
file ufs/ufs/ufs_vnops.c ffs lfs mfs
|
||||
file vm/device_pager.c devpager
|
||||
file vm/kern_lock.c
|
||||
file vm/swap_pager.c swappager
|
||||
file vm/vm_fault.c
|
||||
file vm/vm_glue.c
|
||||
file vm/vm_init.c
|
||||
file vm/vm_kern.c
|
||||
file vm/vm_map.c
|
||||
file vm/vm_meter.c
|
||||
file vm/vm_mmap.c
|
||||
file vm/vm_object.c
|
||||
file vm/vm_page.c
|
||||
file vm/vm_pageout.c
|
||||
file vm/vm_pager.c
|
||||
file vm/vm_swap.c
|
||||
file vm/vm_unix.c
|
||||
file vm/vm_user.c
|
||||
file vm/vnode_pager.c vnodepager
|
||||
120
sys/conf/param.c
Normal file
120
sys/conf/param.c
Normal file
@ -0,0 +1,120 @@
|
||||
/*
|
||||
* Copyright (c) 1980, 1986, 1989, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
* (c) UNIX System Laboratories, Inc.
|
||||
* All or some portions of this file are derived from material licensed
|
||||
* to the University of California by American Telephone and Telegraph
|
||||
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
||||
* the permission of UNIX System Laboratories, Inc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)param.c 8.3 (Berkeley) 8/20/94
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/callout.h>
|
||||
#include <sys/clist.h>
|
||||
#include <sys/mbuf.h>
|
||||
#include <sys/kernel.h>
|
||||
|
||||
#include <ufs/ufs/quota.h>
|
||||
|
||||
#ifdef SYSVSHM
|
||||
#include <machine/vmparam.h>
|
||||
#include <sys/shm.h>
|
||||
#endif
|
||||
|
||||
/*
|
||||
* System parameter formulae.
|
||||
*
|
||||
* This file is copied into each directory where we compile
|
||||
* the kernel; it should be modified there to suit local taste
|
||||
* if necessary.
|
||||
*
|
||||
* Compiled with -DHZ=xx -DTIMEZONE=x -DDST=x -DMAXUSERS=xx
|
||||
*/
|
||||
|
||||
#ifndef HZ
|
||||
#define HZ 100
|
||||
#endif
|
||||
int hz = HZ;
|
||||
int tick = 1000000 / HZ;
|
||||
int tickadj = 30000 / (60 * HZ); /* can adjust 30ms in 60s */
|
||||
struct timezone tz = { TIMEZONE, DST };
|
||||
#define NPROC (20 + 16 * MAXUSERS)
|
||||
int maxproc = NPROC;
|
||||
#define NTEXT (80 + NPROC / 8) /* actually the object cache */
|
||||
#define NVNODE (NPROC + NTEXT + 100)
|
||||
int desiredvnodes = NVNODE;
|
||||
int maxfiles = 3 * (NPROC + MAXUSERS) + 80;
|
||||
int ncallout = 16 + NPROC;
|
||||
int nclist = 60 + 12 * MAXUSERS;
|
||||
int nmbclusters = NMBCLUSTERS;
|
||||
int fscale = FSCALE; /* kernel uses `FSCALE', user uses `fscale' */
|
||||
|
||||
/*
|
||||
* Values in support of System V compatible shared memory. XXX
|
||||
*/
|
||||
#ifdef SYSVSHM
|
||||
#define SHMMAX (SHMMAXPGS*NBPG)
|
||||
#define SHMMIN 1
|
||||
#define SHMMNI 32 /* <= SHMMMNI in shm.h */
|
||||
#define SHMSEG 8
|
||||
#define SHMALL (SHMMAXPGS/CLSIZE)
|
||||
|
||||
struct shminfo shminfo = {
|
||||
SHMMAX,
|
||||
SHMMIN,
|
||||
SHMMNI,
|
||||
SHMSEG,
|
||||
SHMALL
|
||||
};
|
||||
#endif
|
||||
|
||||
/*
|
||||
* These are initialized at bootstrap time
|
||||
* to values dependent on memory size
|
||||
*/
|
||||
int nbuf, nswbuf;
|
||||
|
||||
/*
|
||||
* These have to be allocated somewhere; allocating
|
||||
* them here forces loader errors if this file is omitted
|
||||
* (if they've been externed everywhere else; hah!).
|
||||
*/
|
||||
struct callout *callout;
|
||||
struct cblock *cfree;
|
||||
struct buf *buf, *swbuf;
|
||||
char *buffers;
|
||||
548
sys/dev/vn/vn.c
Normal file
548
sys/dev/vn/vn.c
Normal file
@ -0,0 +1,548 @@
|
||||
/*
|
||||
* Copyright (c) 1988 University of Utah.
|
||||
* Copyright (c) 1990, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* the Systems Programming Group of the University of Utah Computer
|
||||
* Science Department.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* from: Utah $Hdr: vn.c 1.13 94/04/02$
|
||||
*
|
||||
* @(#)vn.c 8.9 (Berkeley) 5/14/95
|
||||
*/
|
||||
|
||||
/*
|
||||
* Vnode disk driver.
|
||||
*
|
||||
* Block/character interface to a vnode. Allows one to treat a file
|
||||
* as a disk (e.g. build a filesystem in it, mount it, etc.).
|
||||
*
|
||||
* NOTE 1: This uses the VOP_BMAP/VOP_STRATEGY interface to the vnode
|
||||
* instead of a simple VOP_RDWR. We do this to avoid distorting the
|
||||
* local buffer cache.
|
||||
*
|
||||
* NOTE 2: There is a security issue involved with this driver.
|
||||
* Once mounted all access to the contents of the "mapped" file via
|
||||
* the special file is controlled by the permissions on the special
|
||||
* file, the protection of the mapped file is ignored (effectively,
|
||||
* by using root credentials in all transactions).
|
||||
*
|
||||
* NOTE 3: Doesn't interact with leases, should it?
|
||||
*/
|
||||
#include "vn.h"
|
||||
#if NVN > 0
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/namei.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/errno.h>
|
||||
#include <sys/dkstat.h>
|
||||
#include <sys/buf.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/mount.h>
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/uio.h>
|
||||
|
||||
#include <miscfs/specfs/specdev.h>
|
||||
|
||||
#include <dev/vnioctl.h>
|
||||
|
||||
#ifdef DEBUG
|
||||
int dovncluster = 1;
|
||||
int vndebug = 0x00;
|
||||
#define VDB_FOLLOW 0x01
|
||||
#define VDB_INIT 0x02
|
||||
#define VDB_IO 0x04
|
||||
#endif
|
||||
|
||||
#define b_cylin b_resid
|
||||
|
||||
#define vnunit(x) ((minor(x) >> 3) & 0x7) /* for consistency */
|
||||
|
||||
#define getvnbuf() \
|
||||
((struct buf *)malloc(sizeof(struct buf), M_DEVBUF, M_WAITOK))
|
||||
#define putvnbuf(bp) \
|
||||
free((caddr_t)(bp), M_DEVBUF)
|
||||
|
||||
struct vn_softc {
|
||||
int sc_flags; /* flags */
|
||||
size_t sc_size; /* size of vn */
|
||||
struct vnode *sc_vp; /* vnode */
|
||||
struct ucred *sc_cred; /* credentials */
|
||||
int sc_maxactive; /* max # of active requests */
|
||||
struct buf sc_tab; /* transfer queue */
|
||||
};
|
||||
|
||||
/* sc_flags */
|
||||
#define VNF_ALIVE 0x01
|
||||
#define VNF_INITED 0x02
|
||||
|
||||
#if 0 /* if you need static allocation */
|
||||
struct vn_softc vn_softc[NVN];
|
||||
int numvnd = NVN;
|
||||
#else
|
||||
struct vn_softc *vn_softc;
|
||||
int numvnd;
|
||||
#endif
|
||||
|
||||
void
|
||||
vnattach(num)
|
||||
int num;
|
||||
{
|
||||
char *mem;
|
||||
register u_long size;
|
||||
|
||||
if (num <= 0)
|
||||
return;
|
||||
size = num * sizeof(struct vn_softc);
|
||||
mem = malloc(size, M_DEVBUF, M_NOWAIT);
|
||||
if (mem == NULL) {
|
||||
printf("WARNING: no memory for vnode disks\n");
|
||||
return;
|
||||
}
|
||||
bzero(mem, size);
|
||||
vn_softc = (struct vn_softc *)mem;
|
||||
numvnd = num;
|
||||
}
|
||||
|
||||
int
|
||||
vnopen(dev, flags, mode, p)
|
||||
dev_t dev;
|
||||
int flags, mode;
|
||||
struct proc *p;
|
||||
{
|
||||
int unit = vnunit(dev);
|
||||
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_FOLLOW)
|
||||
printf("vnopen(%x, %x, %x, %x)\n", dev, flags, mode, p);
|
||||
#endif
|
||||
if (unit >= numvnd)
|
||||
return(ENXIO);
|
||||
return(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Break the request into bsize pieces and submit using VOP_BMAP/VOP_STRATEGY.
|
||||
* Note that this driver can only be used for swapping over NFS on the hp
|
||||
* since nfs_strategy on the vax cannot handle u-areas and page tables.
|
||||
*/
|
||||
void
|
||||
vnstrategy(bp)
|
||||
register struct buf *bp;
|
||||
{
|
||||
int unit = vnunit(bp->b_dev);
|
||||
register struct vn_softc *vn = &vn_softc[unit];
|
||||
register struct buf *nbp;
|
||||
register int bn, bsize, resid;
|
||||
register caddr_t addr;
|
||||
int sz, flags, error;
|
||||
extern void vniodone();
|
||||
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_FOLLOW)
|
||||
printf("vnstrategy(%x): unit %d\n", bp, unit);
|
||||
#endif
|
||||
if ((vn->sc_flags & VNF_INITED) == 0) {
|
||||
bp->b_error = ENXIO;
|
||||
bp->b_flags |= B_ERROR;
|
||||
biodone(bp);
|
||||
return;
|
||||
}
|
||||
bn = bp->b_blkno;
|
||||
sz = howmany(bp->b_bcount, DEV_BSIZE);
|
||||
bp->b_resid = bp->b_bcount;
|
||||
if (bn < 0 || bn + sz > vn->sc_size) {
|
||||
if (bn != vn->sc_size) {
|
||||
bp->b_error = EINVAL;
|
||||
bp->b_flags |= B_ERROR;
|
||||
}
|
||||
biodone(bp);
|
||||
return;
|
||||
}
|
||||
bn = dbtob(bn);
|
||||
bsize = vn->sc_vp->v_mount->mnt_stat.f_iosize;
|
||||
addr = bp->b_data;
|
||||
flags = bp->b_flags | B_CALL;
|
||||
for (resid = bp->b_resid; resid; resid -= sz) {
|
||||
struct vnode *vp;
|
||||
daddr_t nbn;
|
||||
int off, s, nra;
|
||||
|
||||
nra = 0;
|
||||
error = VOP_BMAP(vn->sc_vp, bn / bsize, &vp, &nbn, &nra);
|
||||
if (error == 0 && (long)nbn == -1)
|
||||
error = EIO;
|
||||
#ifdef DEBUG
|
||||
if (!dovncluster)
|
||||
nra = 0;
|
||||
#endif
|
||||
|
||||
if (off = bn % bsize)
|
||||
sz = bsize - off;
|
||||
else
|
||||
sz = (1 + nra) * bsize;
|
||||
if (resid < sz)
|
||||
sz = resid;
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_IO)
|
||||
printf("vnstrategy: vp %x/%x bn %x/%x sz %x\n",
|
||||
vn->sc_vp, vp, bn, nbn, sz);
|
||||
#endif
|
||||
|
||||
nbp = getvnbuf();
|
||||
nbp->b_flags = flags;
|
||||
nbp->b_bcount = sz;
|
||||
nbp->b_bufsize = bp->b_bufsize;
|
||||
nbp->b_error = 0;
|
||||
if (vp->v_type == VBLK || vp->v_type == VCHR)
|
||||
nbp->b_dev = vp->v_rdev;
|
||||
else
|
||||
nbp->b_dev = NODEV;
|
||||
nbp->b_data = addr;
|
||||
nbp->b_blkno = nbn + btodb(off);
|
||||
nbp->b_proc = bp->b_proc;
|
||||
nbp->b_iodone = vniodone;
|
||||
nbp->b_vp = vp;
|
||||
nbp->b_pfcent = (int) bp; /* XXX */
|
||||
nbp->b_rcred = vn->sc_cred; /* XXX crdup? */
|
||||
nbp->b_wcred = vn->sc_cred; /* XXX crdup? */
|
||||
nbp->b_dirtyoff = bp->b_dirtyoff;
|
||||
nbp->b_dirtyend = bp->b_dirtyend;
|
||||
nbp->b_validoff = bp->b_validoff;
|
||||
nbp->b_validend = bp->b_validend;
|
||||
/*
|
||||
* If there was an error or a hole in the file...punt.
|
||||
* Note that we deal with this after the nbp allocation.
|
||||
* This ensures that we properly clean up any operations
|
||||
* that we have already fired off.
|
||||
*
|
||||
* XXX we could deal with holes here but it would be
|
||||
* a hassle (in the write case).
|
||||
*/
|
||||
if (error) {
|
||||
nbp->b_error = error;
|
||||
nbp->b_flags |= B_ERROR;
|
||||
bp->b_resid -= (resid - sz);
|
||||
biodone(nbp);
|
||||
return;
|
||||
}
|
||||
/*
|
||||
* Just sort by block number
|
||||
*/
|
||||
nbp->b_cylin = nbp->b_blkno;
|
||||
s = splbio();
|
||||
disksort(&vn->sc_tab, nbp);
|
||||
if (vn->sc_tab.b_active < vn->sc_maxactive) {
|
||||
vn->sc_tab.b_active++;
|
||||
vnstart(vn);
|
||||
}
|
||||
splx(s);
|
||||
bn += sz;
|
||||
addr += sz;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Feed requests sequentially.
|
||||
* We do it this way to keep from flooding NFS servers if we are connected
|
||||
* to an NFS file. This places the burden on the client rather than the
|
||||
* server.
|
||||
*/
|
||||
vnstart(vn)
|
||||
register struct vn_softc *vn;
|
||||
{
|
||||
register struct buf *bp;
|
||||
|
||||
/*
|
||||
* Dequeue now since lower level strategy routine might
|
||||
* queue using same links
|
||||
*/
|
||||
bp = vn->sc_tab.b_actf;
|
||||
vn->sc_tab.b_actf = bp->b_actf;
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_IO)
|
||||
printf("vnstart(%d): bp %x vp %x blkno %x addr %x cnt %x\n",
|
||||
vn-vn_softc, bp, bp->b_vp, bp->b_blkno, bp->b_data,
|
||||
bp->b_bcount);
|
||||
#endif
|
||||
if ((bp->b_flags & B_READ) == 0)
|
||||
bp->b_vp->v_numoutput++;
|
||||
VOP_STRATEGY(bp);
|
||||
}
|
||||
|
||||
void
|
||||
vniodone(bp)
|
||||
register struct buf *bp;
|
||||
{
|
||||
register struct buf *pbp = (struct buf *)bp->b_pfcent; /* XXX */
|
||||
register struct vn_softc *vn = &vn_softc[vnunit(pbp->b_dev)];
|
||||
int s;
|
||||
|
||||
s = splbio();
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_IO)
|
||||
printf("vniodone(%d): bp %x vp %x blkno %x addr %x cnt %x\n",
|
||||
vn-vn_softc, bp, bp->b_vp, bp->b_blkno, bp->b_data,
|
||||
bp->b_bcount);
|
||||
#endif
|
||||
if (bp->b_error) {
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_IO)
|
||||
printf("vniodone: bp %x error %d\n", bp, bp->b_error);
|
||||
#endif
|
||||
pbp->b_flags |= B_ERROR;
|
||||
pbp->b_error = biowait(bp);
|
||||
}
|
||||
pbp->b_resid -= bp->b_bcount;
|
||||
putvnbuf(bp);
|
||||
if (pbp->b_resid == 0) {
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_IO)
|
||||
printf("vniodone: pbp %x iodone\n", pbp);
|
||||
#endif
|
||||
biodone(pbp);
|
||||
}
|
||||
if (vn->sc_tab.b_actf)
|
||||
vnstart(vn);
|
||||
else
|
||||
vn->sc_tab.b_active--;
|
||||
splx(s);
|
||||
}
|
||||
|
||||
vnread(dev, uio, flags, p)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int flags;
|
||||
struct proc *p;
|
||||
{
|
||||
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_FOLLOW)
|
||||
printf("vnread(%x, %x, %x, %x)\n", dev, uio, flags, p);
|
||||
#endif
|
||||
return(physio(vnstrategy, NULL, dev, B_READ, minphys, uio));
|
||||
}
|
||||
|
||||
vnwrite(dev, uio, flags, p)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int flags;
|
||||
struct proc *p;
|
||||
{
|
||||
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_FOLLOW)
|
||||
printf("vnwrite(%x, %x, %x, %x)\n", dev, uio, flags, p);
|
||||
#endif
|
||||
return(physio(vnstrategy, NULL, dev, B_WRITE, minphys, uio));
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
vnioctl(dev, cmd, data, flag, p)
|
||||
dev_t dev;
|
||||
u_long cmd;
|
||||
caddr_t data;
|
||||
int flag;
|
||||
struct proc *p;
|
||||
{
|
||||
int unit = vnunit(dev);
|
||||
register struct vn_softc *vn;
|
||||
struct vn_ioctl *vio;
|
||||
struct vattr vattr;
|
||||
struct nameidata nd;
|
||||
int error;
|
||||
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_FOLLOW)
|
||||
printf("vnioctl(%x, %x, %x, %x, %x): unit %d\n",
|
||||
dev, cmd, data, flag, p, unit);
|
||||
#endif
|
||||
error = suser(p->p_ucred, &p->p_acflag);
|
||||
if (error)
|
||||
return (error);
|
||||
if (unit >= numvnd)
|
||||
return (ENXIO);
|
||||
|
||||
vn = &vn_softc[unit];
|
||||
vio = (struct vn_ioctl *)data;
|
||||
switch (cmd) {
|
||||
|
||||
case VNIOCSET:
|
||||
if (vn->sc_flags & VNF_INITED)
|
||||
return(EBUSY);
|
||||
/*
|
||||
* Always open for read and write.
|
||||
* This is probably bogus, but it lets vn_open()
|
||||
* weed out directories, sockets, etc. so we don't
|
||||
* have to worry about them.
|
||||
*/
|
||||
NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, vio->vn_file, p);
|
||||
if (error = vn_open(&nd, FREAD|FWRITE, 0))
|
||||
return(error);
|
||||
if (error = VOP_GETATTR(nd.ni_vp, &vattr, p->p_ucred, p)) {
|
||||
VOP_UNLOCK(nd.ni_vp, 0, p);
|
||||
(void) vn_close(nd.ni_vp, FREAD|FWRITE, p->p_ucred, p);
|
||||
return(error);
|
||||
}
|
||||
VOP_UNLOCK(nd.ni_vp, 0, p);
|
||||
vn->sc_vp = nd.ni_vp;
|
||||
vn->sc_size = btodb(vattr.va_size); /* note truncation */
|
||||
if (error = vnsetcred(vn, p->p_ucred)) {
|
||||
(void) vn_close(nd.ni_vp, FREAD|FWRITE, p->p_ucred, p);
|
||||
return(error);
|
||||
}
|
||||
vnthrottle(vn, vn->sc_vp);
|
||||
vio->vn_size = dbtob(vn->sc_size);
|
||||
vn->sc_flags |= VNF_INITED;
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_INIT)
|
||||
printf("vnioctl: SET vp %x size %x\n",
|
||||
vn->sc_vp, vn->sc_size);
|
||||
#endif
|
||||
break;
|
||||
|
||||
case VNIOCCLR:
|
||||
if ((vn->sc_flags & VNF_INITED) == 0)
|
||||
return(ENXIO);
|
||||
vnclear(vn);
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_INIT)
|
||||
printf("vnioctl: CLRed\n");
|
||||
#endif
|
||||
break;
|
||||
|
||||
default:
|
||||
return(ENOTTY);
|
||||
}
|
||||
return(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Duplicate the current processes' credentials. Since we are called only
|
||||
* as the result of a SET ioctl and only root can do that, any future access
|
||||
* to this "disk" is essentially as root. Note that credentials may change
|
||||
* if some other uid can write directly to the mapped file (NFS).
|
||||
*/
|
||||
vnsetcred(vn, cred)
|
||||
register struct vn_softc *vn;
|
||||
struct ucred *cred;
|
||||
{
|
||||
struct uio auio;
|
||||
struct iovec aiov;
|
||||
char *tmpbuf;
|
||||
int error;
|
||||
|
||||
vn->sc_cred = crdup(cred);
|
||||
tmpbuf = malloc(DEV_BSIZE, M_TEMP, M_WAITOK);
|
||||
|
||||
/* XXX: Horrible kludge to establish credentials for NFS */
|
||||
aiov.iov_base = tmpbuf;
|
||||
aiov.iov_len = min(DEV_BSIZE, dbtob(vn->sc_size));
|
||||
auio.uio_iov = &aiov;
|
||||
auio.uio_iovcnt = 1;
|
||||
auio.uio_offset = 0;
|
||||
auio.uio_rw = UIO_READ;
|
||||
auio.uio_segflg = UIO_SYSSPACE;
|
||||
auio.uio_resid = aiov.iov_len;
|
||||
error = VOP_READ(vn->sc_vp, &auio, 0, vn->sc_cred);
|
||||
|
||||
free(tmpbuf, M_TEMP);
|
||||
return (error);
|
||||
}
|
||||
|
||||
/*
|
||||
* Set maxactive based on FS type
|
||||
*/
|
||||
vnthrottle(vn, vp)
|
||||
register struct vn_softc *vn;
|
||||
struct vnode *vp;
|
||||
{
|
||||
extern int (**nfsv2_vnodeop_p)();
|
||||
|
||||
if (vp->v_op == nfsv2_vnodeop_p)
|
||||
vn->sc_maxactive = 2;
|
||||
else
|
||||
vn->sc_maxactive = 8;
|
||||
|
||||
if (vn->sc_maxactive < 1)
|
||||
vn->sc_maxactive = 1;
|
||||
}
|
||||
|
||||
vnshutdown()
|
||||
{
|
||||
register struct vn_softc *vn;
|
||||
|
||||
for (vn = &vn_softc[0]; vn < &vn_softc[numvnd]; vn++)
|
||||
if (vn->sc_flags & VNF_INITED)
|
||||
vnclear(vn);
|
||||
}
|
||||
|
||||
vnclear(vn)
|
||||
register struct vn_softc *vn;
|
||||
{
|
||||
register struct vnode *vp = vn->sc_vp;
|
||||
struct proc *p = curproc; /* XXX */
|
||||
|
||||
#ifdef DEBUG
|
||||
if (vndebug & VDB_FOLLOW)
|
||||
printf("vnclear(%x): vp %x\n", vp);
|
||||
#endif
|
||||
vn->sc_flags &= ~VNF_INITED;
|
||||
if (vp == (struct vnode *)0)
|
||||
panic("vnioctl: null vp");
|
||||
(void) vn_close(vp, FREAD|FWRITE, vn->sc_cred, p);
|
||||
crfree(vn->sc_cred);
|
||||
vn->sc_vp = (struct vnode *)0;
|
||||
vn->sc_cred = (struct ucred *)0;
|
||||
vn->sc_size = 0;
|
||||
}
|
||||
|
||||
vnsize(dev)
|
||||
dev_t dev;
|
||||
{
|
||||
int unit = vnunit(dev);
|
||||
register struct vn_softc *vn = &vn_softc[unit];
|
||||
|
||||
if (unit >= numvnd || (vn->sc_flags & VNF_INITED) == 0)
|
||||
return(-1);
|
||||
return(vn->sc_size);
|
||||
}
|
||||
|
||||
vndump(dev)
|
||||
{
|
||||
return(ENXIO);
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user