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Jeff Roberson 280e091a99 Implement fully asynchronous partial truncation with softupdates journaling 
to resolve errors which can cause corruption on recovery with the old
synchronous mechanism.

 - Append partial truncation freework structures to indirdeps while
   truncation is proceeding.  These prevent new block pointers from
   becoming valid until truncation completes and serialize truncations.
 - On completion of a partial truncate journal work waits for zeroed
   pointers to hit indirects.
 - softdep_journal_freeblocks() handles last frag allocation and last
   block zeroing.
 - vtruncbuf/ffs_page_remove moved into softdep_*_freeblocks() so it
   is only implemented in one place.
 - Block allocation failure handling moved up one level so it does not
   proceed with buf locks held.  This permits us to do more extensive
   reclaims when filesystem space is exhausted.
 - softdep_sync_metadata() is broken into two parts, the first executes
   once at the start of ffs_syncvnode() and flushes truncations and
   inode dependencies.  The second is called on each locked buf.  This
   eliminates excessive looping and rollbacks.
 - Improve the mechanism in process_worklist_item() that handles
   acquiring vnode locks for handle_workitem_remove() so that it works
   more generally and does not loop excessively over the same worklist
   items on each call.
 - Don't corrupt directories by zeroing the tail in fsck.  This is only
   done for regular files.
 - Push a fsync complete record for files that need it so the checker
   knows a truncation in the journal is no longer valid.

Discussed with:	mckusick, kib (ffs_pages_remove and ffs_truncate parts)
Tested by:	pho
2011-06-10 22:48:35 +00:00
..
adjkerntz Raise WARNS for various tools where possible. 2010-01-17 21:56:27 +00:00
atacontrol Re-encode files from ISO-8859-1 to UTF-8 2011-05-22 14:03:30 +00:00
atm MFtbemd: 2010-08-23 22:24:11 +00:00
badsect Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
bsdlabel Widen fields that display partition offset/length. 2011-03-10 08:24:33 +00:00
camcontrol When calling XPT_REL_SIMQ to ajust number of openings, do not try to really 2011-04-20 14:16:22 +00:00
ccdconfig mdoc: drop redundant .Pp and .LP calls 2010-10-08 12:40:16 +00:00
clri Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
comcontrol ANSIfy almost all applications that use WARNS=6. 2009-12-29 22:53:27 +00:00
conscontrol Changed "conscontrol unset" to accept an existing virtual 2011-04-18 20:28:07 +00:00
ddb Plug an fd leak 2010-11-22 07:00:47 +00:00
devd Typo. For USB devices, 'serial' should be 'sernum'. 2011-05-10 02:34:11 +00:00
devfs Document the interaction between /etc/devfs.conf and 2010-02-21 10:29:45 +00:00
dhclient Use resolvconf(8) to update /etc/resolv.conf. 2011-03-18 12:23:20 +00:00
dmesg Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
dump The dump, fsck_ffs, fsdb, fsirand, newfs, makefs, and quot utilities 2011-01-24 06:17:05 +00:00
dumpfs We now have multiple filesystems (UFS, ZFS, ...), so for tools that only 2011-05-08 12:34:31 +00:00
dumpon Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
fdisk Supply maximum value as an argument to the decimal() function 2011-01-25 04:35:07 +00:00
fdisk_pc98 Use the common PC98_SID_ACTIVE define instead of a local define. 2009-03-19 12:31:59 +00:00
ffsinfo Bump WARNS where possible. 2010-02-15 14:07:40 +00:00
fsck Fix typos and spelling mistakes. 2010-08-06 14:33:42 +00:00
fsck_ffs Implement fully asynchronous partial truncation with softupdates journaling 2011-06-10 22:48:35 +00:00
fsck_msdosfs Fix some style(9), although there's a lot more issues here. 2010-06-20 09:40:54 +00:00
fsdb The dump, fsck_ffs, fsdb, fsirand, newfs, makefs, and quot utilities 2011-01-24 06:17:05 +00:00
fsirand The dump, fsck_ffs, fsdb, fsirand, newfs, makefs, and quot utilities 2011-01-24 06:17:05 +00:00
gbde MFtbemd: 2010-08-23 22:24:11 +00:00
geom Do not use LCM from stripesize and user specified alignment value. 2011-06-07 11:11:11 +00:00
ggate Because ggatel(8) operates on local GEOM providers, use unlimited queue size in 2011-04-02 06:59:05 +00:00
growfs We now have multiple filesystems (UFS, ZFS, ...), so for tools that only 2011-05-08 12:34:31 +00:00
gvinum * Add the readline(3) API to libedit. The libedit versions of 2011-04-05 18:41:01 +00:00
hastctl Keep statistics on number of BIO_READ, BIO_WRITE, BIO_DELETE and BIO_FLUSH 2011-05-23 21:15:19 +00:00
hastd Read from the socket using the same max buffer size as we use while 2011-06-04 16:01:30 +00:00
ifconfig - Accept Router Advertisement messages even when net.inet6.ip6.forwarding=1. 2011-06-06 02:14:23 +00:00
init init(8): Document that login(1) is now responsible for recording logouts. 2011-01-23 14:54:45 +00:00
ipf Always assign WARNS using ?= 2010-03-02 16:58:04 +00:00
ipfw Initialize co.use_set variable before parsing each new rule. 2011-06-06 11:10:38 +00:00
iscontrol Fix compilation with debug on. 2011-01-25 22:25:16 +00:00
kldconfig Raise WARNS for various tools where possible. 2010-01-17 21:56:27 +00:00
kldload Make flags in usage() and SYNOPSYS more style(9)-ish. 2010-08-30 07:29:27 +00:00
kldstat In printfile(), exit the process instead of only printing the warning. 2010-11-13 16:49:07 +00:00
kldunload Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
ldconfig ANSIfy ldconfig and the aout bits it still uses from rtld-aout. 2009-12-29 21:07:17 +00:00
mca sysctlbyname() returns -1 on error and sets errno. It does 2010-07-03 22:02:29 +00:00
md5 Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
mdconfig Somewhere around the 473rd time I mistyped "mdconfig file" instead of 2011-04-29 22:40:11 +00:00
mdmfs Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
mknod Fix some more warnings found by clang. 2010-11-22 20:10:48 +00:00
mksnap_ffs Note that a UFS filesystem can have up to 20 active snapshots. 2011-02-15 07:25:54 +00:00
mount Add a special mount option "failok" to indicate that the administrator wants 2011-06-07 18:48:49 +00:00
mount_cd9660 Fix minor memory leak in a function. 2009-11-20 15:28:38 +00:00
mount_ext2fs Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
mount_hpfs mdoc: consistently spell our email addresses <foo@FreeBSD.org> 2010-05-19 08:57:53 +00:00
mount_msdosfs mdoc: move CAVEATS, BUGS and SECURITY CONSIDERATIONS sections to the 2010-05-13 12:07:55 +00:00
mount_nfs Implemented a mount option "nocto" that disables cache coherency 2011-05-04 13:27:45 +00:00
mount_ntfs mdoc: move CAVEATS, BUGS and SECURITY CONSIDERATIONS sections to the 2010-05-13 12:07:55 +00:00
mount_nullfs ANSIfy almost all applications that use WARNS=6. 2009-12-29 22:53:27 +00:00
mount_reiserfs Re-encode files from ISO-8859-1 to UTF-8 2011-05-22 14:03:30 +00:00
mount_std mdoc: move CAVEATS, BUGS and SECURITY CONSIDERATIONS sections to the 2010-05-13 12:07:55 +00:00
mount_udf style.Makefile(5): Remove -Wall from CFLAGS. 2006-07-17 20:53:25 +00:00
mount_unionfs Fix SYNOPSIS. 2011-03-23 13:44:09 +00:00
natd Furthermore condition IP waiting behaviour also on -dynamic flag. 2011-04-18 23:45:50 +00:00
newfs Update the manual page to reflect the new 32K/4K defaults. 2011-05-28 15:14:50 +00:00
newfs_msdos MFtbemd: 2010-08-23 22:24:11 +00:00
nfsiod - Display current settings when run without options. 2009-12-26 08:36:02 +00:00
nos-tun nos-tun(8): make WARNS=3 clean 2010-03-10 18:51:13 +00:00
pfctl Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
pflogd Append to CFLAGS, don't clobber it. 2010-11-05 11:31:39 +00:00
ping Small style fixes: 2010-06-20 12:52:33 +00:00
ping6 Add __unused. Ansi prototypes. 2010-12-19 13:40:38 +00:00
quotacheck Update to current version of head. 2010-04-28 05:33:59 +00:00
rcorder Bump .Dd 2011-06-06 13:18:29 +00:00
reboot Remove vestiges of disklabel(5). 2011-04-14 08:53:04 +00:00
recoverdisk recoverdisk(8): treat output file consistently and abort on EINVAL 2011-05-01 20:14:10 +00:00
resolvconf Add resolvconf(8) which manages resolv.conf. 2011-03-18 12:18:52 +00:00
restore mdoc: make pages render with mandoc 2010-10-21 12:27:13 +00:00
route - Fix array bounds checking. [1] 2010-12-08 15:12:37 +00:00
routed Fix use of AND operator: should be bitwise instead of logical. 2010-11-22 19:40:27 +00:00
rtsol Add dump.c to the rtsol build. It is needed now that sec2str is non-static 2011-06-08 21:59:07 +00:00
savecore Remove the advertising clause from UCB copyrighted files in sbin. This 2010-12-12 21:26:12 +00:00
sconfig Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
setkey mdoc: fix markup 2011-06-02 09:56:42 +00:00
shutdown For compatibility with Linux and Solaris add poweroff(8). 2010-12-30 18:06:31 +00:00
spppcontrol mdoc: order prologue macros consistently by Dd/Dt/Os 2010-04-14 19:08:06 +00:00
sunlabel mdoc: drop even more redundant .Pp calls 2010-10-19 12:35:40 +00:00
swapon Raise WARNS for various tools where possible. 2010-01-17 21:56:27 +00:00
sysctl Introduce signed and unsigned version of CTLTYPE_QUAD, renaming 2011-01-19 23:00:25 +00:00
tunefs We now have multiple filesystems (UFS, ZFS, ...), so for tools that only 2011-05-08 12:34:31 +00:00
umount Add a sentence to the umount.8 man page to clarify the behaviour 2011-05-31 18:27:18 +00:00
Makefile Add resolvconf(8) which manages resolv.conf. 2011-03-18 12:18:52 +00:00
Makefile.amd64 MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00
Makefile.arm MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00
Makefile.i386 MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00
Makefile.ia64 MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00
Makefile.inc Switch the default WARNS level for sbin/ to 6. 2009-10-19 16:00:24 +00:00
Makefile.mips MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00
Makefile.pc98 MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00
Makefile.sparc64 MF tbemd: Move to using Makefile.arch to select what to build. 2010-09-13 02:25:21 +00:00