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a10253cffe
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Warner Losh a10253cffe mps(4): Fix unmatched devq release. 
Port 9781c28c6d and a8837c77ef to the mps driver.  Before this
change devq was frozen only if some command was sent to the target after
reset started, but release was called always.  This change freezes the
devq immediately, leaving mprsas_action_scsiio() check only to cover
race condition due to different lock devq use.

This should also avoid unnecessary requeue of the commands, creating
additional log noise and confusing some broken apps. It also avoids a
'busy' requeue of I/Os failing when we're doing recovery that takes
longer than the normal busy timeout. These I/Os failing can lead to
filesystems being unmounted in the force unmount case for I/O errors.

Sponsored by:		Netflix
Reviewed by:		mav
Differential Revision:	https://reviews.freebsd.org/D33228
2021-12-02 13:53:44 -07:00
.cirrus-ci Cirrus-CI: add some timing info on pkg install failure 2021-08-04 15:02:00 -04:00
.github [skip ci] fix syntax in CODEOWNERS 2021-07-22 10:58:54 -06:00
bin sh: Avoid some headers when NO_HISTORY is set. 2021-11-24 17:53:39 -08:00
cddl cddl: fix missing ZFS library dependencies 2021-11-15 09:42:07 -05:00
contrib contrib/bc: merge version 5.2.1 from vendor branch 2021-11-30 18:40:32 +01:00
crypto Add assembly optimized code for OpenSSL on powerpc, powerpc64 and powerpc64le 2021-11-23 23:26:53 +01:00
etc bsddialog: import new TUI widget and utility 2021-11-24 11:03:31 +01:00
gnu libdialog: Bump shared library version to 10. 2021-10-27 09:30:24 -07:00
include vendor/bc: import release 5.2.1 2021-11-30 18:33:40 +01:00
kerberos5 pkgbase: Create a FreeBSD-kerberos package 2021-09-07 10:23:14 +02:00
lib libc sctp: improve conformance of sctp_getpaddrs() 2021-12-01 19:50:26 +01:00
libexec rc: Hook zfskeys to the build 2021-12-02 20:10:52 +01:00
release EC2: Turn off IPv6 DAD 2021-11-25 19:08:48 -08:00
rescue Retire synchronous PPP kernel driver sppp(4). 2021-10-22 11:41:36 -07:00
sbin sbin: build ping if at least one of INET & INET6 is enabled 2021-11-28 13:05:39 -05:00
secure Add assembly optimized code for OpenSSL on powerpc, powerpc64 and powerpc64le 2021-11-23 23:26:53 +01:00
share src.conf.5: regen after WITHOUT_CXX description update 2021-12-02 11:34:24 -05:00
stand ficl: Fix a typo in a comment 2021-11-30 10:36:29 +01:00
sys mps(4): Fix unmatched devq release. 2021-12-02 13:53:44 -07:00
targets Retire obsolete iscsi_initiator(4) 2021-10-26 16:17:35 -04:00
tests vendor/bc: import release 5.2.1 2021-11-30 18:33:40 +01:00
tools WITH_/WITHOUT_CXX: update description 2021-12-02 11:30:22 -05:00
usr.bin elf(3): Fix a typo in a sysctl description 2021-11-30 10:38:34 +01:00
usr.sbin Remove DS_BUSY case 2021-11-30 16:35:48 -07:00
.arcconfig Remove history.immutable from .arcconfig 2021-04-13 12:36:25 +01:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: build with LLVM 13 package 2021-11-18 09:57:33 -05:00
.clang-format clang-format: Add bitset loop macros 2021-09-21 12:08:01 -04:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore gitignore: Add .clangd and .ccls-cache 2021-06-04 16:56:08 +08:00
COPYRIGHT copyrights: Happy New Year 2021 2020-12-31 10:29:44 -05:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Remove myself from bhyve maintenance; ENOTIME. 2021-11-19 07:09:30 +10:00
Makefile Remove mips from universe 2021-11-18 21:22:55 -07:00
Makefile.inc1 Makefile.inc1: Silence an error in make packages 2021-11-30 09:53:20 +01:00
Makefile.libcompat ncurses: fix libcompat (lib32 for example) building 2021-10-04 14:16:32 +02:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Remove sparc64 lastcomm/sa tests. 2021-12-01 14:14:58 -08:00
README.md vendor/bc: import release 5.2.0 2021-11-30 18:26:22 +01:00
RELNOTES RELNOTES: mention 6rd support in if_stf 2021-11-23 16:49:12 +01:00
UPDATING Add in the commit revision to the UPDATING file for the CC changes 2021-11-11 06:39:20 -05:00

README.md

FreeBSD Source:

This is the top level of the FreeBSD source directory.

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), FreeBSD handbook on building userland, and Handbook for kernels for more information, including setting make(1) variables.

Source Roadmap:

Directory Description
bin System/user commands.
cddl Various commands and libraries under the Common Development and Distribution License.
contrib Packages contributed by 3rd parties.
crypto Cryptography stuff (see crypto/README).
etc Template files for /etc.
gnu Various commands and libraries under the GNU Public License. Please see gnu/COPYING and gnu/COPYING.LIB for more information.
include System include files.
kerberos5 Kerberos5 (Heimdal) package.
lib System libraries.
libexec System daemons.
release Release building Makefile & associated tools.
rescue Build system for statically linked /rescue utilities.
sbin System commands.
secure Cryptographic libraries and commands.
share Shared resources.
stand Boot loader sources.
sys Kernel sources.
sys/arch/conf Kernel configuration files. GENERIC is the configuration used in release builds. NOTES contains documentation of all possible entries.
tests Regression tests which can be run by Kyua. See tests/README for additional information.
tools Utilities for regression testing and miscellaneous tasks.
usr.bin User commands.
usr.sbin System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see FreeBSD Handbook.