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NetBSD/sys/kern
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hannken 8c21bc6224 Add ffs internal snapshots. Written by Marshall Kirk McKusick for FreeBSD. 
- Not enabled by default. Needs kernel option FFS_SNAPSHOT.
- Change parameters of ffs_blkfree.
- Let the copy-on-write functions return an error so spec_strategy
    may fail if the copy-on-write fails.
- Change genfs_*lock*() to use vp->v_vnlock instead of &vp->v_lock.
- Add flag B_METAONLY to VOP_BALLOC to return indirect block buffer.
- Add a function ffs_checkfreefile needed for snapshot creation.
- Add special handling of snapshot files:
    Snapshots may not be opened for writing and the attributes are read-only.
    Use the mtime as the time this snapshot was taken.
    Deny mtime updates for snapshot files.
- Add function transferlockers to transfer any waiting processes from
  one lock to another.
- Add vfsop VFS_SNAPSHOT to take a snapshot and make it accessible through
  a vnode.
- Add snapshot support to ls, fsck_ffs and dump.

Welcome to 2.0F.

Approved by: Jason R. Thorpe <thorpej@netbsd.org>
2004-05-25 14:54:55 +00:00
..
cnmagic.c
TNF & remove trailing spaces.
2003-08-22 02:01:32 +00:00
core_elf32.c
kill sprintf, use snprintf
2004-04-21 18:40:37 +00:00
core_elf64.c
…
core_netbsd.c
handle siginfo for deferred signals. Allocate a ksiginfo pool, and store
2003-09-14 06:59:13 +00:00
exec_aout.c
Uppercase CPU, plural is CPUs.
2004-02-13 11:36:08 +00:00
exec_conf.c
Support Darwin static binaries (I should say: support the only Darwin
2003-10-19 07:52:22 +00:00
exec_ecoff.c
GC: exec_foo_setup_stack; use exec_setup_stack, and provide a way for
2003-08-08 18:53:13 +00:00
exec_elf32.c
Back out >2 PT_LOAD changes from rev 1.96. They cause older GCC3-compiled
2004-01-07 16:42:53 +00:00
exec_elf64.c
…
exec_macho.c
- Nuke __P().
2004-03-23 13:22:32 +00:00
exec_script.c
kill sprintf, use snprintf
2004-04-21 18:40:37 +00:00
exec_subr.c
Expand NEW_VMCMD() macro to a real function new_vmcmd() for the
2003-08-29 01:44:02 +00:00
genassym.awk
…
genassym.sh
…
genlintstub.awk
This program is called genlintstub.awk
2003-05-20 20:25:31 +00:00
init_main.c
Provide a mutex for the process limits data structure.
2004-05-06 22:20:30 +00:00
init_sysctl.c
Fix a comment.
2004-05-03 13:39:50 +00:00
init_sysent.c
Regen from syscalls.master rev. 1.142:
2004-05-10 22:30:41 +00:00
kern_acct.c
Replace the statfs() family of system calls with statvfs().
2004-04-21 01:05:31 +00:00
kern_clock.c
Uppercase CPU, plural is CPUs.
2004-02-13 11:36:08 +00:00
kern_descrip.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
kern_event.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
kern_exec.c
all ports define __HAVE_SIGINFO now, so remove the CPP conditionals
2004-03-26 17:13:37 +00:00
kern_exit.c
exit1: if !BIGLOCK, once the exiting process has been placed on the zombie
2004-05-04 21:23:39 +00:00
kern_fork.c
Provide a mutex for the process limits data structure.
2004-05-06 22:20:30 +00:00
kern_kcont.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
kern_ksyms.c
Move detection of a special symbol into a separate function. Add some more
2004-02-19 03:42:01 +00:00
kern_kthread.c
…
kern_ktrace.c
ANSI'fy the rest of functions.
2004-04-30 07:51:59 +00:00
kern_lkm.c
- Nuke __P().
2004-03-23 13:22:32 +00:00
kern_lock.c
Add ffs internal snapshots. Written by Marshall Kirk McKusick for FreeBSD.
2004-05-25 14:54:55 +00:00
kern_lwp.c
In proc_representative_lwp, if there is an outstanding trap signal, return
2004-05-12 21:10:09 +00:00
kern_malloc_debug.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
kern_malloc.c
Remove some assigned-to but otherwise unused variables.
2003-10-30 01:58:17 +00:00
kern_microtime.c
Adjust code that tries to prevent cc_microtime() from going backwards
2004-05-18 16:09:07 +00:00
kern_ntptime.c
Lots of sysctl descriptions (if someone wants to help out here, that
2004-04-08 06:20:29 +00:00
kern_physio.c
- Nuke __P().
2004-03-23 13:22:32 +00:00
kern_proc.c
Provide a mutex for the process limits data structure.
2004-05-06 22:20:30 +00:00
kern_prot.c
crcopy: no need to lock if we're only reading the structure's reference count.
2004-05-04 21:27:28 +00:00
kern_ras.c
ras_fork: don't do PR_WAITOK holding a spinlock.
2004-04-01 02:37:42 +00:00
kern_resource.c
KNF previous.
2004-05-13 17:56:14 +00:00
kern_sa.c
use lockstatus() instead of L_BIGLOCK to check if we're holding a biglock.
2004-05-18 11:59:11 +00:00
kern_sig.c
Change sigactsfree() to take a `struct sigacts' pointer, to fit the needs
2004-05-04 21:25:47 +00:00
kern_subr.c
Add prototype for uiomove_frombuf. Change uiomove_frombuf to use size_t
2004-04-21 20:31:50 +00:00
kern_synch.c
use lockstatus() instead of L_BIGLOCK to check if we're holding a biglock.
2004-05-18 11:59:11 +00:00
kern_sysctl.c
In sysctl_destroyv, the newly created dnode structure must have its
2004-05-12 12:21:39 +00:00
kern_systrace.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
kern_time.c
Fix "comments within comments" problem pointed out by Geoff Wing on
2004-04-27 05:25:33 +00:00
kern_timeout.c
Make callout_setfunc() a CPP macro. Suggested by enami.
2003-10-30 04:32:56 +00:00
kern_uuid.c
uuidgen(2) syscall. Originally from FreeBSD, ported by John Franklin in
2004-01-29 02:00:02 +00:00
kern_verifiedexec.c
Remove spurious space accidently introduced in last.
2003-11-18 13:13:03 +00:00
kern_xxx.c
Move UCB-licensed code from 4-clause to 3-clause licence.
2003-08-07 16:26:28 +00:00
kgdb_stub.c
kill sprintf, use snprintf
2004-04-21 18:40:37 +00:00
Make.tags.inc
…
Makefile
We have CVS; there is no reason to make .bak files when generating the
2003-11-15 20:26:02 +00:00
makesyscalls.sh
Keep track of which prototypes we declared already so that we don't
2003-09-30 20:34:28 +00:00
subr_autoconf.c
split off the evcnt code (which is unrelated to autoconfiguration)
2004-02-17 05:03:15 +00:00
subr_devsw.c
add missing __KERNEL_RCSID()
2003-07-14 14:59:01 +00:00
subr_disk_mbr.c
Overhaul MBR handling (part 1):
2003-10-08 04:25:43 +00:00
subr_disk.c
- add a function prototype.
2004-03-09 12:23:07 +00:00
subr_evcnt.c
Include "sys/systm.h" to get the prototype for panic() which is required
2004-02-17 08:22:12 +00:00
subr_extent.c
- Nuke __P().
2004-03-23 13:22:32 +00:00
subr_log.c
- pass signo to fownsignal [ok by jd]
2003-09-22 12:59:55 +00:00
subr_pool.c
Add a DIAGNOSTIC check to detect un-initialized pools.
2004-05-20 05:08:29 +00:00
subr_prf.c
Nuke __P().
2004-03-23 13:22:03 +00:00
subr_prof.c
Lots of sysctl descriptions (if someone wants to help out here, that
2004-04-08 06:20:29 +00:00
subr_prop.c
Remove trailing blank line.
2003-12-21 11:54:16 +00:00
subr_userconf.c
kill sprintf, use snprintf
2004-04-21 18:40:37 +00:00
subr_xxx.c
Move UCB-licensed code from 4-clause to 3-clause licence.
2003-08-07 16:26:28 +00:00
sys_generic.c
Nuke __P().
2004-03-23 13:22:03 +00:00
sys_pipe.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
sys_pmc.c
…
sys_process.c
Check for bad offsets at the beginning of the functions to save processing.
2004-05-14 16:36:33 +00:00
sys_socket.c
Eliminate several uses of `curproc' from the socket-layer code and from NFS.
2004-05-22 22:52:13 +00:00
syscalls.c
Regen from syscalls.master rev. 1.142:
2004-05-10 22:30:41 +00:00
syscalls.conf
Replace the statfs() family of system calls with statvfs().
2004-04-21 01:05:31 +00:00
syscalls.master
POSIX-2001: Change readlink(2)'s return type from int to ssize_t.
2004-05-10 22:28:23 +00:00
sysv_ipc.c
…
sysv_msg.c
Nuke __P().
2004-03-23 13:22:03 +00:00
sysv_sem.c
Nuke __P().
2004-03-23 13:22:03 +00:00
sysv_shm.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
tty_conf.c
- Nuke __P().
2004-03-23 13:22:32 +00:00
tty_pty.c
Nuke __P().
2004-03-23 13:22:03 +00:00
tty_subr.c
Nuke __P().
2004-03-23 13:22:03 +00:00
tty_tb.c
Nuke __P().
2004-03-23 13:22:03 +00:00
tty_tty.c
Add the gating of system calls that cause modifications to the underlying
2003-10-15 11:28:59 +00:00
tty.c
Remaining sysctl descriptions under kern subtree
2004-05-25 04:30:32 +00:00
uipc_domain.c
Sysctl descriptions under net subtree (net.key not done)
2004-05-25 04:33:59 +00:00
uipc_mbuf2.c
Add m_tag_delete_nonpesrsistent(), for deleting all packet tags on
2003-11-13 01:48:12 +00:00
uipc_mbuf.c
Remaining sysctl descriptions under kern subtree
2004-05-25 04:30:32 +00:00
uipc_proto.c
Constify protosw arrays. This can reduce the kernel .data section by
2004-04-22 01:01:40 +00:00
uipc_sem.c
add missing __KERNEL_RCSID()
2003-07-14 14:59:01 +00:00
uipc_socket2.c
Charge root for socket buffers without a socket pointer.
2004-04-19 03:44:46 +00:00
uipc_socket.c
Remaining sysctl descriptions under kern subtree
2004-05-25 04:30:32 +00:00
uipc_syscalls.c
Eliminate several uses of `curproc' from the socket-layer code and from NFS.
2004-05-22 22:52:13 +00:00
uipc_usrreq.c
Eliminate several uses of `curproc' from the socket-layer code and from NFS.
2004-05-22 22:52:13 +00:00
vfs_bio.c
Remaining sysctl descriptions under kern subtree
2004-05-25 04:30:32 +00:00
vfs_cache.c
redo the previous (rev.1.58; overwrite a duplicate entry rather than leave it)
2004-05-07 12:05:41 +00:00
vfs_getcwd.c
Nuke __P().
2004-03-23 13:22:03 +00:00
vfs_init.c
Nuke __P().
2004-03-23 13:22:03 +00:00
vfs_lockf.c
Initialise (most) pools from a link set instead of explicit calls
2004-04-25 16:42:40 +00:00
vfs_lookup.c
Fix the last commit(s). On machines with sizeof(long) != sizeof(int)
2003-12-08 14:23:33 +00:00
vfs_subr.c
Sysctl descriptions under vfs subtree
2004-05-25 04:44:43 +00:00
vfs_syscalls.c
Add ffs internal snapshots. Written by Marshall Kirk McKusick for FreeBSD.
2004-05-25 14:54:55 +00:00
vfs_vnops.c
Add ffs internal snapshots. Written by Marshall Kirk McKusick for FreeBSD.
2004-05-25 14:54:55 +00:00
vnode_if.c
Make VOP_STRATEGY(bp) a real VOP as discussed on tech-kern.
2004-01-25 18:06:48 +00:00
vnode_if.sh
Make VOP_STRATEGY(bp) a real VOP as discussed on tech-kern.
2004-01-25 18:02:04 +00:00
vnode_if.src
Make VOP_STRATEGY(bp) a real VOP as discussed on tech-kern.
2004-01-25 18:02:04 +00:00