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freebsd-nq/sys/kern
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Alexander Kabaev 5ab4bb35fb Change vfs_busy to wait until an outcome of pending unmount 
operation is known and to retry or fail accordingly to that
outcome. This fixes the problem with namespace traversing
programs failing with random ENOENT errors if someone just
happened to try to unmount that same filesystem at the same
time.

Reported by:	dhw
Reviewed by:	kib, attilio
Sponsored by:	Juniper Networks, Inc.
2009-03-02 20:51:39 +00:00
..
bus_if.m Allow device hints to wire the unit numbers of devices. 2008-11-18 21:01:54 +00:00
clock_if.m
cpufreq_if.m
device_if.m
genassym.sh refactor code so it can run in a chroot without having to have /dev/mounted 2008-01-18 17:02:14 +00:00
imgact_aout.c Add sv_flags field to struct sysentvec with intention to provide description 2008-11-22 12:36:15 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c When a statically linked binary is executed (or at least, one without 2009-01-25 12:07:43 +00:00
imgact_gzip.c VOP_LOCK1() (and so VOP_LOCK()) and VOP_UNLOCK() are only used in 2008-01-13 14:44:15 +00:00
imgact_shell.c Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00
inflate.c
init_main.c Rename three MAC entry points from _proc_ to _cred_ to reflect the fact 2008-10-28 11:33:06 +00:00
init_sysent.c Regenerate system call tables for r184789. 2008-11-09 10:48:06 +00:00
kern_acct.c Properly lock proctree_lock before locking the process while accounting. 2008-08-21 15:02:17 +00:00
kern_alq.c Use msleep_spin() instead of unlock/tsleep/lock. This was 2008-07-02 20:44:33 +00:00
kern_clock.c - Implement generic macros for producing KTR records that are compatible 2009-01-17 07:17:57 +00:00
kern_condvar.c Remove unused variables p' and unneeded assignments of rval'. 2009-02-26 13:00:13 +00:00
kern_conf.c Explicitely note that destroy_dev() sleeps. 2008-11-27 16:47:25 +00:00
kern_cons.c Remove unneeded variable `ocn_mute'. 2009-02-26 13:01:45 +00:00
kern_context.c
kern_cpu.c If possible, try to obtain max_mhz on cpufreq attach instead of first request. 2008-12-16 01:24:05 +00:00
kern_cpuset.c MFp4: 2008-11-29 14:32:14 +00:00
kern_ctf.c Add the CTF source file which gets shared with link_elf.c and link_elf_obj.c. 2008-05-23 03:04:27 +00:00
kern_descrip.c Remove the printf's when the vnode to be exported for procstat is not a VDIR. 2009-02-14 21:55:09 +00:00
kern_dtrace.c Remove code that isn't required. It actually breaks the case where KDTRACE_HOOKS 2008-06-16 04:44:29 +00:00
kern_environment.c Implement the following macros for completeness: 2008-07-21 15:05:25 +00:00
kern_event.c Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
kern_exec.c Remove unneeded pointer `ndp'. 2009-02-26 16:32:48 +00:00
kern_exit.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_fork.c Several threads in a process may do vfork() simultaneously. Then, all 2008-12-05 20:50:24 +00:00
kern_idle.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_intr.c style(9) 2008-09-23 14:25:56 +00:00
kern_jail.c Don't allow creating a socket with a protocol family that the current 2009-02-05 14:15:18 +00:00
kern_kthread.c Kill a dead variable 2008-08-03 21:07:19 +00:00
kern_ktr.c
kern_ktrace.c Fix a credential reference leak. [1] 2008-12-03 15:54:35 +00:00
kern_linker.c Scanning all the formats for binary translation of modules loading can 2009-02-10 15:50:19 +00:00
kern_lock.c Tweak the output of VOP_PRINT/vn_printf() some. 2009-02-06 20:06:48 +00:00
kern_lockf.c Remove unused variable. 2008-11-27 04:40:37 +00:00
kern_malloc.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_mbuf.c Temporary workaround for the limitations of the mbuf flowid field: zero 2009-01-01 20:03:01 +00:00
kern_mib.c Mark most often used sysctl's as MPSAFE. 2009-01-28 19:58:05 +00:00
kern_module.c When the SYSINIT() to load a module invokes the MOD_LOAD event successfully, 2008-12-05 16:47:30 +00:00
kern_mtxpool.c Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
kern_mutex.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_ntptime.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_osd.c Add support for methods to the OSD subsystem. Each object type has a 2009-02-21 11:15:38 +00:00
kern_physio.c
kern_pmc.c Support sparsely numbered CPUs. 2008-09-22 10:37:02 +00:00
kern_poll.c For all files including net/vnet.h directly include opt_route.h and 2009-02-27 14:12:05 +00:00
kern_priv.c Add static tracing for privilege checking: 2009-02-26 10:56:13 +00:00
kern_proc.c - Add a function (fill_kinfo_aggregate()) which aggregates relevant 2009-02-18 21:52:13 +00:00
kern_prot.c The userland_sysctl() function retries sysctl_root() until returned 2008-12-12 12:06:28 +00:00
kern_resource.c Don't rearm callout if the process is exiting, it may leak a callout 2008-10-24 01:09:24 +00:00
kern_rmlock.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_rwlock.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_sdt.c Add kernel support for the Statically Defined Trace provider. 2008-05-18 19:32:36 +00:00
kern_sema.c
kern_shutdown.c It's possible that the dump device has gone away after it was 2008-11-23 21:05:22 +00:00
kern_sig.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_subr.c Make ureadc() warn when holding any locks, just like uiomove(). 2008-08-28 19:34:58 +00:00
kern_switch.c fix typo in runz_fuzz 2008-05-12 06:42:06 +00:00
kern_sx.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_synch.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_syscalls.c Various style fixes. 7 space indent is just odd. 2008-09-18 20:10:11 +00:00
kern_sysctl.c Expand the scope of the sysctllock sx lock to protect the sysctl tree itself. 2009-02-06 14:51:32 +00:00
kern_tc.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_thr.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_thread.c Update ZFS from version 6 to 13 and bring some FreeBSD-specific changes. 2008-11-17 20:49:29 +00:00
kern_time.c Remove even more unneeded variable assignments. 2009-02-26 15:51:54 +00:00
kern_timeout.c Add explicit static DTrace tracing to the callout mechanism, capturing 2009-01-24 10:22:49 +00:00
kern_umtx.c Add two commands to _umtx_op system call to allow a simple mutex to be 2008-06-24 07:32:12 +00:00
kern_uuid.c For all files including net/vnet.h directly include opt_route.h and 2009-02-27 14:12:05 +00:00
kern_vimage.c Conditionally compile out V_ globals while instantiating the appropriate 2008-12-10 23:12:39 +00:00
kern_xxx.c Fix compilation. Also move ogetkerninfo() to kern_xxx.c. 2008-12-29 19:24:00 +00:00
ksched.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
link_elf_obj.c Scanning all the formats for binary translation of modules loading can 2009-02-10 15:50:19 +00:00
link_elf.c Scanning all the formats for binary translation of modules loading can 2009-02-10 15:50:19 +00:00
linker_if.m Add the ctf_get method. 2008-05-23 04:06:49 +00:00
Make.tags.inc Catch up with the disappearance of sys/dev/hfa. 2008-12-01 14:34:42 +00:00
Makefile style.Makefile(5) 2007-12-14 21:30:51 +00:00
makesyscalls.sh Tidy up a few things with syscall generation: 2008-09-25 20:07:42 +00:00
md4c.c
md5c.c
p1003_1b.c Remove kernel support for M:N threading. 2008-03-12 10:12:01 +00:00
posix4_mib.c
sched_4bsd.c - Use __XSTRING where I want the define to be expanded. This resulted in 2009-01-25 07:35:10 +00:00
sched_ule.c - Use __XSTRING where I want the define to be expanded. This resulted in 2009-01-25 07:35:10 +00:00
serdev_if.m
stack_protector.c Fix a chicken-and-egg problem: this files implements SSP support, 2008-06-26 07:52:45 +00:00
subr_acl_posix1e.c Rename a variable missed in previous accmode_t-related commits. 2008-10-28 21:58:48 +00:00
subr_autoconf.c Prefer ANSI function definitions to K&R ones. 2009-02-03 07:52:07 +00:00
subr_blist.c Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
subr_bufring.c - bump __FreeBSD version to reflect added buf_ring, memory barriers, 2008-11-22 05:55:56 +00:00
subr_bus.c o Use NULL in pereference to 0 in pointer contexts. 2009-02-11 04:54:02 +00:00
subr_clist.c Remove a stale comment from the clists code. 2009-02-09 11:27:56 +00:00
subr_clock.c Now that all platforms use genclock, shuffle things around slightly 2008-04-22 19:38:30 +00:00
subr_devstat.c Use NULL in preference to 0 in pointer contexts. 2009-02-03 07:54:42 +00:00
subr_disk.c Clarify and reimplement the bioq API so that bioq_disksort() has 2009-02-13 11:36:32 +00:00
subr_eventhandler.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_fattime.c
subr_firmware.c Use NULL in preference to 0 for pointers. 2009-02-03 07:51:11 +00:00
subr_hints.c
subr_kdb.c Expand kdb_alt_break a little, most commonly used with the option 2008-05-04 23:29:38 +00:00
subr_kobj.c Use NULL in preference to 0 in pointer contexts. 2009-02-03 07:54:42 +00:00
subr_lock.c - track maximum wait time 2008-07-27 21:45:20 +00:00
subr_log.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_mbpool.c Add parens around *free in *free++ in mbp_count() so that mbp_count() 2007-05-27 17:38:36 +00:00
subr_mchain.c Replaced the misleading uses of a historical artefact M_TRYWAIT with M_WAIT. 2008-03-25 09:39:02 +00:00
subr_module.c
subr_msgbuf.c
subr_param.c Document the relationship between enum VM_GUEST and the vm_guest_sysctl_names 2008-12-30 23:49:54 +00:00
subr_pcpu.c - Implement generic macros for producing KTR records that are compatible 2009-01-17 07:17:57 +00:00
subr_power.c
subr_prf.c Remove redundant code in printf() and vprintf(). 2009-02-27 13:28:54 +00:00
subr_prof.c Use ANSI function definition for profil. 2009-02-03 07:52:36 +00:00
subr_rman.c rman_debug should be static, so make it static. 2009-02-03 07:53:08 +00:00
subr_rtc.c int foo(void) is the proper ANSI function definition when there's no 2009-02-03 07:50:01 +00:00
subr_sbuf.c Switch to simplified BSD license (with phk's approval), plus whitespace 2008-08-09 10:26:21 +00:00
subr_scanf.c
subr_sleepqueue.c Revision 184199 had not been fully reverted, add missing piece. 2008-12-01 01:54:55 +00:00
subr_smp.c Fix range-check error introduced in r182292. Also do not do anything 2009-03-01 14:26:24 +00:00
subr_stack.c Make it possible to compile kernel with KTR but without DDB. 2008-10-30 21:48:28 +00:00
subr_taskqueue.c Remove semicolon left in the last commit 2009-02-13 18:51:39 +00:00
subr_trap.c - Bug fix: prevent a thread from migrating between CPUs between the 2008-12-13 13:07:12 +00:00
subr_turnstile.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
subr_unit.c Since cdev mutex is after system map mutex in global lock order, free() 2007-07-04 06:56:58 +00:00
subr_witness.c Move the NORELEASE check to after the recurse count decrement and bailout, this 2009-02-28 19:10:43 +00:00
sys_generic.c Fix select on platforms where sizeof(long) != sizeof(int). This used 2009-02-02 03:34:40 +00:00
sys_pipe.c Several cleanups related to pipe(2). 2008-11-11 14:55:59 +00:00
sys_process.c Use the p_sysent->sv_flags flag SV_ILP32 to detect 32bit process 2009-03-02 18:43:50 +00:00
sys_socket.c Lock receive socket buffer in soo_stat() rather than commenting that we 2008-10-07 07:10:28 +00:00
syscalls.c Regenerate system call tables for r184789. 2008-11-09 10:48:06 +00:00
syscalls.master Mark uname(), getdomainname() and setdomainname() with COMPAT_FREEBSD4. 2008-11-09 10:45:13 +00:00
systrace_args.c Regenerate system call tables for r184789. 2008-11-09 10:48:06 +00:00
sysv_ipc.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
sysv_msg.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
sysv_sem.c Lock the semaphore identifier lock during semaphore initialization to 2009-01-15 12:15:46 +00:00
sysv_shm.c Correct types of variables used to track amount of allocated SysV shared 2009-03-02 18:53:30 +00:00
tty_compat.c Fix an awful bug inside our COMPAT_43TTY code. 2008-09-04 16:30:53 +00:00
tty_info.c Replace bcopy() calls inside the TTY layer with memcpy()/strlcpy(). 2009-02-28 14:20:26 +00:00
tty_inq.c Use unsigned longs for the TTY's sysctl stats. 2009-02-26 10:28:32 +00:00
tty_outq.c Use unsigned longs for the TTY's sysctl stats. 2009-02-26 10:28:32 +00:00
tty_pts.c Improve my previous changes to the TTY code: also remove memcpy(). 2009-03-01 09:50:13 +00:00
tty_pty.c Don't use PTY name as format string, even though it isn't insecure here. 2009-02-26 10:14:10 +00:00
tty_tty.c Remove unneeded Giant locking of /dev/tty. 2008-06-03 12:38:00 +00:00
tty_ttydisc.c Use unsigned longs for the TTY's sysctl stats. 2009-02-26 10:28:32 +00:00
tty.c Improve my previous changes to the TTY code: also remove memcpy(). 2009-03-01 09:50:13 +00:00
uipc_accf.c Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
uipc_cow.c Extend the struct vm_page wire_count to u_int to avoid the overflow 2009-01-03 13:24:08 +00:00
uipc_debug.c Remove extra 'comma = 0' in socket state printing code, which otherwise 2009-02-09 18:19:58 +00:00
uipc_domain.c Remove Giant locking from domains list. 2009-01-04 19:22:53 +00:00
uipc_mbuf2.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
uipc_mbuf.c Teach m_copyback() to use trailing space of the last mbuf in chain. 2009-01-18 20:19:55 +00:00
uipc_mqueue.c Fix matching of message queues by name. 2008-11-28 14:53:18 +00:00
uipc_sem.c Rework the lifetime management of the kernel implementation of POSIX 2008-06-27 05:39:04 +00:00
uipc_shm.c Shared memory objects that have size which is not necessarily equal to 2008-12-01 22:33:50 +00:00
uipc_sockbuf.c Rewrite sbreserve_locked()'s comment on NULL thread pointers, eliminating 2008-10-07 09:51:39 +00:00
uipc_socket.c Don't allow creating a socket with a protocol family that the current 2009-02-05 14:15:18 +00:00
uipc_syscalls.c Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
uipc_usrreq.c White space and comment tweaks. 2009-01-01 20:03:22 +00:00
vfs_acl.c Add the support for the AT_FDCWD and fd-relative name lookups to the 2008-03-31 12:01:21 +00:00
vfs_aio.c Use the correct type for the timeout parameter to the 32-bit 2009-01-23 13:23:17 +00:00
vfs_bio.c Tweak the output of VOP_PRINT/vn_printf() some. 2009-02-06 20:06:48 +00:00
vfs_cache.c Enable caching of negative pathname lookups in the NFS client. To avoid 2009-02-19 22:28:48 +00:00
vfs_cluster.c - Complete part of the unfinished bufobj work by consistently using 2008-03-22 09:15:16 +00:00
vfs_default.c Add a new VOP, VOP_VPTOCNP, which translates a vnode to its component name 2008-12-12 00:57:38 +00:00
vfs_export.c drop rnh lock before destroying it 2008-12-28 14:32:27 +00:00
vfs_extattr.c Do not call namei() while having another user-controlled vnode 2009-01-08 12:47:30 +00:00
vfs_hash.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
vfs_init.c Expand the scope of the sysctllock sx lock to protect the sysctl tree itself. 2009-02-06 14:51:32 +00:00
vfs_lookup.c Do not return success and doomed vnode from lookup. LK_UPGRADE allows 2008-12-18 11:58:12 +00:00
vfs_mount.c Add more KTR_VFS logging point in order to have a more effective tracing. 2009-02-05 15:03:35 +00:00
vfs_subr.c Change vfs_busy to wait until an outcome of pending unmount 2009-03-02 20:51:39 +00:00
vfs_syscalls.c Don't make Linux stat() open character devices to resolve its name. 2009-02-20 13:05:29 +00:00
vfs_vnops.c Move the code from ufs_lookup.c used to do dotdot lookup, into 2009-01-21 14:51:38 +00:00
vnode_if.src Move the VA_MARKATIME flag for VOP_SETATTR() out into its own VOP: 2009-01-21 14:42:00 +00:00