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freebsd-skq/sys/kern
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mckusick 16ad96c43c When considering a vnode for reuse in getnewvnode, we call 
vcanrecycle to check a free vnode's availability. If it is
available, vcanrecycle returns an error code of zero and the
vnode in question locked. The getnewvnode routine then used
to call vn_start_write with the V_NOWAIT flag. If the filesystem
was suspended while taking a snapshot, the vn_start_write would
fail but getnewvnode would fail to unlock the vnode, instead
leaving it locked on the freelist. The result would be that the
vnode would be locked forever and would eventually hang the
system with a race to the root when it was attempted to recycle
it. This fix moves the vn_start_write check into vcanrecycle
where it will properly unlock the vnode if it is unavailable
for recycling due to filesystem suspension.

Sponsored by:	DARPA & NAI Labs.
2002-10-11 01:04:14 +00:00
..
bus_if.m Add two interfaces to allow for busses to report the pnpinfo for 2002-10-07 05:06:38 +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 the fields in the sysentvec and in the vm map header in place of the 2002-09-21 22:07:17 +00:00
imgact_elf32.c Infrastructure tweaks to allow having both an Elf32 and an Elf64 executable 2002-07-20 02:56:12 +00:00
imgact_elf64.c Infrastructure tweaks to allow having both an Elf32 and an Elf64 executable 2002-07-20 02:56:12 +00:00
imgact_elf.c Use the fields in the sysentvec and in the vm map header in place of the 2002-09-21 22:07:17 +00:00
imgact_elfN.c Infrastructure tweaks to allow having both an Elf32 and an Elf64 executable 2002-07-20 02:56:12 +00:00
imgact_gzip.c Use the fields in the sysentvec and in the vm map header in place of the 2002-09-21 22:07:17 +00:00
imgact_shell.c Return a more meaningful errno when the length of the interpreter 2001-11-28 03:26:58 +00:00
inflate.c Modernize my email address. 2002-03-25 13:52:45 +00:00
init_main.c - Move p_cpulimit to struct proc from struct plimit and protect it with 2002-10-09 17:17:24 +00:00
init_sysent.c Regen from syntax fix to syscalls.master. 2002-10-10 04:08:11 +00:00
kern_acct.c Make sure that the accounting credential is saved along with the vp 2002-10-05 20:05:23 +00:00
kern_acl.c Introduce support for Mandatory Access Control and extensible 2002-08-01 01:04:16 +00:00
kern_alq.c - Export the alq daemon thread pointer. 2002-09-26 07:38:56 +00:00
kern_clock.c Give up on calling tc_ticktock() from a timeout, we have timeout 2002-09-04 10:15:19 +00:00
kern_condvar.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_conf.c Don't allow dev_stdclone(9) to accept minors larger than the system is 2002-10-05 17:10:28 +00:00
kern_descrip.c In an SMP environment post-Giant it is no longer safe to blindly 2002-10-03 02:13:00 +00:00
kern_environment.c Cosmetic tweaks. Try and keep the style more consistent, catch some stray 2002-05-01 02:51:50 +00:00
kern_event.c hashinit() calls MALLOC(), so release the filedesc lock in knote_attach() 2002-10-03 06:03:26 +00:00
kern_exec.c Use the fields in the sysentvec and in the vm map header in place of the 2002-09-21 22:07:17 +00:00
kern_exit.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_fork.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_idle.c Some kernel threads try to do significant work, and the default KSTACK_PAGES 2002-10-02 07:44:29 +00:00
kern_intr.c Some kernel threads try to do significant work, and the default KSTACK_PAGES 2002-10-02 07:44:29 +00:00
kern_jail.c The jail syscall calls chroot, which is not mpsafe, so put back a 2002-07-01 20:46:01 +00:00
kern_kse.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_kthread.c Some kernel threads try to do significant work, and the default KSTACK_PAGES 2002-10-02 07:44:29 +00:00
kern_ktr.c - Export the alq daemon thread pointer. 2002-09-26 07:38:56 +00:00
kern_ktrace.c Some kernel threads try to do significant work, and the default KSTACK_PAGES 2002-10-02 07:44:29 +00:00
kern_linker.c In order to better support flexible and extensible access control, 2002-08-15 20:55:08 +00:00
kern_lock.c Include <sys/lockmgr.h> for the definitions of the locking interfaces that 2002-08-27 09:59:47 +00:00
kern_lockf.c Remove a conditional #include <sys/kernel.h>, it is already 2002-09-14 14:44:41 +00:00
kern_mac.c Integrate mac_check_socket_send() and mac_check_socket_receive() 2002-10-06 14:39:15 +00:00
kern_malloc.c - Split UMA_ZFLAG_OFFPAGE into UMA_ZFLAG_OFFPAGE and UMA_ZFLAG_HASH. 2002-09-18 08:26:30 +00:00
kern_mib.c Rename struct specinfo to the more appropriate struct cdev. 2002-09-27 18:27:10 +00:00
kern_module.c - Remove Giant acquisition from modevent(), modfnext(), modstat() and 2002-06-26 00:31:44 +00:00
kern_mtxpool.c Change callers of mtx_init() to pass in an appropriate lock type name. In 2002-04-04 21:03:38 +00:00
kern_mutex.c Rename the mutex thread and process states to use a more generic 'LOCK' 2002-10-02 20:31:47 +00:00
kern_ntptime.c Hide the private parts of timecounter from a couple of places that don't 2002-04-26 21:31:44 +00:00
kern_physio.c More caddr_t removal, make fo_ioctl take a void * instead of a caddr_t. 2002-06-29 01:50:25 +00:00
kern_poll.c Increase size of ifnet.if_flags from 16 bits (short) to 32 bits (int). To avoid 2002-08-18 07:05:00 +00:00
kern_proc.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_prot.c Include file cleanup; mac.h and malloc.h at one point had ordering 2002-08-01 17:47:56 +00:00
kern_resource.c - Move p_cpulimit to struct proc from struct plimit and protect it with 2002-10-09 17:17:24 +00:00
kern_sema.c Change callers of mtx_init() to pass in an appropriate lock type name. In 2002-04-04 21:03:38 +00:00
kern_shutdown.c Add ability to dump stacktraces on kernel panics when DDB is compiled into 2002-09-19 18:49:46 +00:00
kern_sig.c Fix mis-indentation. 2002-10-02 09:09:25 +00:00
kern_subr.c o Convert a vm_page_sleep_busy() into a vm_page_sleep_if_busy() 2002-08-04 06:27:37 +00:00
kern_switch.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_sx.c Set the lock type equal to the lock name for now as all of the current 2002-04-04 20:49:35 +00:00
kern_synch.c - Move p_cpulimit to struct proc from struct plimit and protect it with 2002-10-09 17:17:24 +00:00
kern_syscalls.c - Lock down the ``module'' structure by adding an SX lock that is used by 2002-03-18 07:45:30 +00:00
kern_sysctl.c Be consistent about "static" functions: if the function is marked 2002-09-28 17:15:38 +00:00
kern_tc.c Do not employ timecounter hardware if our hz does not support their 2002-09-04 19:32:18 +00:00
kern_thread.c Round out the facilty for a 'bound' thread to loan out its KSE 2002-10-09 02:33:36 +00:00
kern_time.c Round up instead of towards 0 in clock_getres() so that a resolution of 2002-09-25 12:00:38 +00:00
kern_timeout.c Fix a format buglet. 2002-09-05 11:42:03 +00:00
kern_uuid.c Include <sys/systm.h> for the declarations of many things instead of 2002-08-22 12:47:22 +00:00
kern_xxx.c more caddr_t removal. 2002-06-29 02:00:02 +00:00
ksched.c Completely redo thread states. 2002-09-11 08:13:56 +00:00
link_elf_obj.c Be consistent about "static" functions: if the function is marked 2002-09-28 17:15:38 +00:00
link_elf.c Be consistent about "static" functions: if the function is marked 2002-09-28 17:15:38 +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 Don't hardcode /sys when making tags, instead use ${.CURDIR}/.. this 2002-02-27 10:07:15 +00:00
Makefile
makesyscalls.sh Add the rest of the kernel support for the sem_ API in kern/uipc_sem.c. 2002-09-19 00:43:32 +00:00
md4c.c
md5c.c Bring sys/kern/md5c.c in sync with the userland version. 2002-06-24 14:15:25 +00:00
p1003_1b.c Change p_can{debug,see,sched,signal}()'s first argument to be a thread 2002-05-19 00:14:50 +00:00
posix4_mib.c Add the rest of the kernel support for the sem_ API in kern/uipc_sem.c. 2002-09-19 00:43:32 +00:00
subr_acl_posix1e.c Introduce support for Mandatory Access Control and extensible 2002-08-01 01:04:16 +00:00
subr_autoconf.c Remove __P. 2002-03-19 21:25:46 +00:00
subr_blist.c Now that daddr_t has grown up, use %lld to printf it and cast it to long 2002-05-18 23:46:04 +00:00
subr_bus.c Introducing /dev/devctl. This device reports events in the 2002-10-07 23:17:44 +00:00
subr_clist.c Remove __P. 2002-03-19 21:25:46 +00:00
subr_clock.c Use the CPU_* OID constants instead of OID_AUTO for the clock-related 2002-08-07 19:43:54 +00:00
subr_devstat.c GC: BIO_ORDERED, various infrastructure dealing with BIO_ORDERED. 2002-02-22 09:26:35 +00:00
subr_disk.c NB: This commit does *NOT* make GEOM the default in FreeBSD 2002-10-05 16:35:33 +00:00
subr_disklabel.c (This commit touches about 15 disk device drivers in a very consistent 2002-09-20 19:36:05 +00:00
subr_diskmbr.c Split MBR and PC98 on-disk sliceformats out from disklabel.h, step 1: 2002-10-01 07:24:55 +00:00
subr_diskslice.c Split MBR and PC98 on-disk sliceformats out from disklabel.h, step 1: 2002-10-01 07:24:55 +00:00
subr_eventhandler.c Wrap a line longer than 80 characters. 2002-07-19 17:44:44 +00:00
subr_hints.c Cosmetic tweaks. Try and keep the style more consistent, catch some stray 2002-05-01 02:51:50 +00:00
subr_kobj.c Convert hit and miss counters to unsigned values. Surely negative values 2002-06-10 22:40:26 +00:00
subr_log.c In an SMP environment post-Giant it is no longer safe to blindly 2002-10-03 02:13:00 +00:00
subr_mbuf.c Be consistent about "static" functions: if the function is marked 2002-09-28 17:15:38 +00:00
subr_mchain.c Move m_fixhdr() from "mbchain" to "mbuf" where it belongs. 2002-09-18 13:41:37 +00:00
subr_module.c
subr_param.c Change hw.physmem and hw.usermem to unsigned long like they used to be 2002-08-30 04:04:37 +00:00
subr_pcpu.c Add a per-cpu variable, cpumask, the preshifted equivalent of 1 << cpuid. 2002-01-05 09:35:50 +00:00
subr_power.c Use ISO 9X variadic macro format; arguments are not optional, just 2002-07-15 17:17:56 +00:00
subr_prf.c Change a return to a break so the local buffers get properly freeed. 2002-09-28 21:34:31 +00:00
subr_prof.c Don't #error if we are lint. 2002-10-01 13:15:11 +00:00
subr_rman.c Add debug.rman_debug sysctl MIB and loader tunable instead of broken 2002-09-05 11:45:02 +00:00
subr_rtc.c Use the CPU_* OID constants instead of OID_AUTO for the clock-related 2002-08-07 19:43:54 +00:00
subr_sbuf.c Add the new function "sbuf_done()" which returns non-zero if the sbuf is 2002-10-04 09:58:17 +00:00
subr_scanf.c Fix mis-indentation. 2002-10-02 09:09:25 +00:00
subr_smp.c Completely redo thread states. 2002-09-11 08:13:56 +00:00
subr_taskqueue.c If we fail to write to a vnode during a ktrace write, then we drop all 2002-08-01 13:35:38 +00:00
subr_trap.c - Move p_cpulimit to struct proc from struct plimit and protect it with 2002-10-09 17:17:24 +00:00
subr_turnstile.c Rename the mutex thread and process states to use a more generic 'LOCK' 2002-10-02 20:31:47 +00:00
subr_witness.c Be consistent about "static" functions: if the function is marked 2002-09-28 17:15:38 +00:00
subr_xxx.c Here follows the new kernel dumping infrastructure. 2002-03-31 22:37:00 +00:00
sys_generic.c Be consistent about "static" functions: if the function is marked 2002-09-28 17:15:38 +00:00
sys_pipe.c In an SMP environment post-Giant it is no longer safe to blindly 2002-10-03 02:13:00 +00:00
sys_process.c Completely redo thread states. 2002-09-11 08:13:56 +00:00
sys_socket.c Integrate mac_check_socket_send() and mac_check_socket_receive() 2002-10-06 14:39:15 +00:00
syscalls.c Regen from syntax fix to syscalls.master. 2002-10-10 04:08:11 +00:00
syscalls.master Fix what looks like a merge-o from a conflict in the last commit to 2002-10-10 04:02:49 +00:00
sysv_ipc.c Change the suser() API to take advantage of td_ucred as well as do a 2002-04-01 21:31:13 +00:00
sysv_msg.c Make SYSVMSG mpsafe. Right now there is a global lock over the 2002-08-13 08:00:36 +00:00
sysv_sem.c Make SYSVSEM mpsafe. Each semaphore set gets its own lock, however 2002-08-13 08:47:17 +00:00
sysv_shm.c return foo -> return (foo) 2002-08-15 02:10:12 +00:00
tty_compat.c Fixed some style bugs in the removal of __P(()). The main ones were 2002-03-24 05:09:11 +00:00
tty_conf.c
tty_cons.c Remove new console devices with cnremove before initializing them in 2002-08-06 18:56:41 +00:00
tty_pty.c - Lock proctree_lock instead of pgrpsess_lock. 2002-04-16 17:09:22 +00:00
tty_subr.c Remove __P. 2002-03-19 21:25:46 +00:00
tty_tty.c Pass active_cred and file_cred into the MAC framework explicitly 2002-08-19 19:04:53 +00:00
tty.c In an SMP environment post-Giant it is no longer safe to blindly 2002-10-03 02:13:00 +00:00
uipc_accf.c
uipc_cow.c o Synchronize updates to struct vm_page::cow with the page queues lock. 2002-09-02 04:04:12 +00:00
uipc_domain.c Back out my lats commit of locking down a socket, it conflicts with hsu's work. 2002-05-31 11:52:35 +00:00
uipc_jumbo.c o Lock page queue accesses by vm_page_free(). 2002-07-21 19:06:46 +00:00
uipc_mbuf2.c In m_aux_delete, no need to chase beyond victim. 2002-05-23 15:59:48 +00:00
uipc_mbuf.c While well intentionned the check to see it there is a packet 2002-09-19 08:28:41 +00:00
uipc_proto.c
uipc_sem.c disable debug output by default. 2002-10-07 04:13:21 +00:00
uipc_sockbuf.c Use m_length() instead of home-rolled versions. 2002-09-18 19:44:14 +00:00
uipc_socket2.c Use m_length() instead of home-rolled versions. 2002-09-18 19:44:14 +00:00
uipc_socket.c Modify label allocation semantics for sockets: pass in soalloc's malloc 2002-10-05 21:23:47 +00:00
uipc_syscalls.c Integrate mac_check_socket_send() and mac_check_socket_receive() 2002-10-06 14:39:15 +00:00
uipc_usrreq.c Introduce support for Mandatory Access Control and extensible 2002-08-01 01:18:42 +00:00
vfs_acl.c Introduce support for Mandatory Access Control and extensible 2002-08-01 01:04:16 +00:00
vfs_aio.c Some kernel threads try to do significant work, and the default KSTACK_PAGES 2002-10-02 07:44:29 +00:00
vfs_bio.c Remove unused includes. 2002-09-28 17:46:30 +00:00
vfs_cache.c Split up __getcwd so that kernel callers of the internal version 2002-09-02 22:40:30 +00:00
vfs_cluster.c - Use incore() where no other interlock locking is necessary. 2002-09-25 02:12:32 +00:00
vfs_default.c - Use the standard vp interlock macros. 2002-09-25 01:42:24 +00:00
vfs_export.c Partial backout of 1.318, remove error handling added because it may be 2002-06-30 05:23:58 +00:00
vfs_extattr.c Incremental style improvements: more consistently avoid assignments 2002-10-10 13:59:58 +00:00
vfs_init.c We don't need to check the return value of malloc() against 2002-06-22 21:44:11 +00:00
vfs_lookup.c - Replace v_flag with v_iflag and v_vflag 2002-08-04 10:29:36 +00:00
vfs_mount.c - Don't protect mountedhere with the vn interlock. 2002-09-25 01:44:21 +00:00
vfs_subr.c When considering a vnode for reuse in getnewvnode, we call 2002-10-11 01:04:14 +00:00
vfs_syscalls.c Incremental style improvements: more consistently avoid assignments 2002-10-10 13:59:58 +00:00
vfs_vnops.c Under DIAGNOSTIC, complain if ENOIOCTL leaks out through VOP_IOCTL(). 2002-09-26 21:21:13 +00:00
vnode_if.src - We don't need any automated lock checking for vop_islocked. 2002-09-26 00:31:16 +00:00