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318f2fb4bf
freebsd-nq/sys/kern
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Ian Dowse 318f2fb4bf Add a new mount flag MNT_BYFSID that can be used to unmount a file 
system by specifying the file system ID instead of a path. Use this
by default in umount(8). This avoids the need to perform any vnode
operations to look up the mount point, so it makes it possible to
unmount a file system whose root vnode cannot be looked up (e.g.
due to a dead NFS server, or a file system that has become detached
from the hierarchy because an underlying file system was unmounted).
It also provides an unambiguous way to specify which file system is
to be unmunted.

Since the ability to unmount using a path name is retained only for
compatibility, that case now just uses a simple string comparison
of the supplied path against f_mntonname of each mounted file system.

Discussed on:	freebsd-arch
mdoc help from:	ru
2003-07-01 17:40:23 +00:00
..
bus_if.m Give print_child a default method. 2003-03-25 04:32:52 +00:00
clock_if.m Add a generic implementation of inittodr() and resettodr(), as well as 2002-04-04 23:39:10 +00:00
device_if.m
genassym.sh Allow one to specify the AWK used in the environment(commandline). 2002-02-11 03:54:30 +00:00
imgact_aout.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_elf32.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_elf64.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_elf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_gzip.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
imgact_shell.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
inflate.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
init_main.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
init_sysent.c Regen from syscalls.master:1.149, addition of extended attribute 2003-06-04 03:50:20 +00:00
kern_acct.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_acl.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
kern_alq.c Add an explicit credential argument to alq_open() to allow the caller to 2003-06-22 22:28:56 +00:00
kern_clock.c Fix this to build on alpha. Build test successful. 2003-06-27 08:35:05 +00:00
kern_condvar.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_conf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_context.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_descrip.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
kern_environment.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_event.c Initialize struct fileops with C99 sparse initialization. 2003-06-18 18:16:40 +00:00
kern_exec.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
kern_exit.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
kern_fork.c Add a ratelimited message of the form 2003-06-19 05:57:25 +00:00
kern_idle.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_intr.c Make swi_vm be INTR_MPSAFE. On all platforms, it is only used to activate 2003-07-01 16:00:38 +00:00
kern_jail.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_kse.c Fix typo. 2003-06-30 10:04:04 +00:00
kern_kthread.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_ktr.c Add an explicit credential argument to alq_open() to allow the caller to 2003-06-22 22:28:56 +00:00
kern_ktrace.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_linker.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_lock.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_lockf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_mac.c Redesign the externalization APIs from the MAC Framework to 2003-06-23 01:26:34 +00:00
kern_malloc.c Don't overflow when calculating vm_kmem_size. This fixes kmem_map 2003-06-11 05:18:59 +00:00
kern_mib.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_module.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_mtxpool.c Style(9). 2003-06-13 19:39:21 +00:00
kern_mutex.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_ntptime.c During a positive leap second, the tai_time offset should be 2003-06-25 20:56:40 +00:00
kern_physio.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_poll.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_proc.c Drop the proc lock around SYSCTL_OUT in the no-threads case. 2003-06-17 19:14:00 +00:00
kern_prot.c At this point targp will always be NULL, so remove the useless if. 2003-06-25 13:28:32 +00:00
kern_resource.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_sema.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_shutdown.c Don't overwrite the static panicstr buffer for secondary and further 2003-06-15 11:43:00 +00:00
kern_sig.c o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
kern_subr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_switch.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
kern_sx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_synch.c o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
kern_syscalls.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_sysctl.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_tc.c Fix leap second processing by the kernel time keeping routines. 2003-06-25 21:23:51 +00:00
kern_thr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_thread.c Fix typo. 2003-06-30 10:04:04 +00:00
kern_time.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_timeout.c Don't put callout_lock under #ifdef DIAGNOSTIC despite the fact that it 2003-06-20 08:39:04 +00:00
kern_umtx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_uuid.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
kern_xxx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
ksched.c Use __FBSDID(). 2003-06-11 06:34:30 +00:00
link_elf_obj.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
link_elf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
linker_if.m Add the sysctl "kern.function_list", which currently exports all 2001-10-30 15:21:45 +00:00
Make.tags.inc Finish driving a stake through the heart of netns and the associated 2003-03-05 19:24:24 +00:00
Makefile Finish driving a stake through the heart of netns and the associated 2003-03-05 19:24:24 +00:00
makesyscalls.sh - Include umtx.h in files generated by makesyscalls.sh 2003-04-01 01:12:24 +00:00
md4c.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
md5c.c Use le32dec() instead of le32toh() because we are not guaranteed to have 2003-05-05 07:22:35 +00:00
p1003_1b.c Use __FBSDID(). 2003-06-11 06:34:30 +00:00
posix4_mib.c Use __FBSDID(). 2003-06-11 06:34:30 +00:00
sched_4bsd.c Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
sched_ule.c - Don't migrate to stopped cpus. 2003-06-28 09:09:33 +00:00
subr_acl_posix1e.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
subr_autoconf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_blist.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_bus.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_clist.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_clock.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_devstat.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_disk.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_eventhandler.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_hints.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_kobj.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_log.c Replace the code for reading and writing the kernel message buffer 2003-06-22 02:18:31 +00:00
subr_mbuf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_mchain.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_module.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_msgbuf.c Replace the code for reading and writing the kernel message buffer 2003-06-22 02:18:31 +00:00
subr_param.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_pcpu.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_power.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_prf.c When DDB is active, always send printf() output directly to the 2003-06-22 03:20:24 +00:00
subr_prof.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_rman.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_rtc.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_sbuf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_scanf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_smp.c Document some sysctl variables. 2003-06-12 19:46:51 +00:00
subr_taskqueue.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_trap.c o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
subr_turnstile.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_witness.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
subr_xxx.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sys_generic.c Introduce a new flag on a file descriptor: DFLAG_SEEKABLE and use that 2003-06-18 19:53:59 +00:00
sys_pipe.c Initialize struct fileops with C99 sparse initialization. 2003-06-18 18:16:40 +00:00
sys_process.c Add vm object locking. 2003-06-11 06:43:48 +00:00
sys_socket.c Initialize struct fileops with C99 sparse initialization. 2003-06-18 18:16:40 +00:00
syscalls.c Regen from syscalls.master:1.149, addition of extended attribute 2003-06-04 03:50:20 +00:00
syscalls.master o Change kse_thr_interrupt to allow send a signal to a specified thread, 2003-06-28 08:29:05 +00:00
sysv_ipc.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sysv_msg.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sysv_sem.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
sysv_shm.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_compat.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_conf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_cons.c Use a new message buffer `consmsgbuf' to forward messages to a 2003-06-22 02:54:33 +00:00
tty_pty.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_subr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty_tty.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
tty.c Use a new message buffer `consmsgbuf' to forward messages to a 2003-06-22 02:54:33 +00:00
uipc_accf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_cow.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_domain.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_jumbo.c Lock the vm object when removing a page. 2003-06-11 21:23:04 +00:00
uipc_mbuf2.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_mbuf.c Hide the m_defrag* statistics under MBUF_STRESS_TEST, there seems 2003-06-17 02:34:40 +00:00
uipc_proto.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_sem.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_sockbuf.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_socket2.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_socket.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
uipc_syscalls.c VOP_GETVOBJECT() wants to be called with the vnode lock held. 2003-06-19 03:55:01 +00:00
uipc_usrreq.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_acl.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
vfs_aio.c Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
vfs_bio.c Initialize b_saveaddr when we hand out buffers 2003-06-20 08:26:38 +00:00
vfs_cache.c Make the VFS cache use zones instead of malloc(9). This results in a 2003-06-13 08:46:13 +00:00
vfs_cluster.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_default.c I have not had any reports of trouble for a long time, so remove the 2003-06-15 19:49:14 +00:00
vfs_export.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_extattr.c Prefer the vop_rmextattr() vnode operation for removing extended 2003-06-22 23:03:07 +00:00
vfs_init.c Initialize struct vfsops C99-sparsely. 2003-06-12 20:48:38 +00:00
vfs_lookup.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_mount.c Add a new mount flag MNT_BYFSID that can be used to unmount a file 2003-07-01 17:40:23 +00:00
vfs_subr.c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
vfs_syscalls.c Prefer the vop_rmextattr() vnode operation for removing extended 2003-06-22 23:03:07 +00:00
vfs_vnops.c Prefer the vop_rmextattr() vnode operation for removing extended 2003-06-22 23:03:07 +00:00
vnode_if.src Expose vop_rmextattr as an explicit operation at the vnode operation 2003-06-22 22:45:24 +00:00