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7bffd764fe
freebsd-skq/sys
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mav 7bffd764fe MFV r336991, r337001: 
9102 zfs should be able to initialize storage devices

The first access to a disk block can incur a performance penalty on some
platforms (e.g. AWS's EBS, VMware VMDKs). Therefore it is recommended that
volumes be "thick provisioned", where supported by the platform (VMware).
Thick provisioning is time consuming and often is ignored. If the thick
provision step is omitted, customers will see suboptimal performance until
we have written to all parts of the LUN. ZFS should be able to initialize
any unused storage to remove any first-write penalty that exists.

illumos/illumos-gate@094e47e980

Reviewed by: John Wren Kennedy <john.kennedy@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
Author:     George Wilson <george.wilson@delphix.com>
2018-07-31 21:06:04 +00:00
..
amd64 amd64/GENERIC: Enable EFIRT by default 2018-07-30 17:54:18 +00:00
arm nvmem: Add nvmem interface and helpers 2018-07-31 19:08:24 +00:00
arm64 nvmem: Add nvmem interface and helpers 2018-07-31 19:08:24 +00:00
bsm
cam For the dynamic I/O scheduler, make the TRIM stuff also count against 2018-07-26 22:55:51 +00:00
cddl MFV r336991, r337001: 2018-07-31 21:06:04 +00:00
compat Regenerate after r336980. 2018-07-31 17:16:06 +00:00
conf MFV r336991, r337001: 2018-07-31 21:06:04 +00:00
contrib Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
crypto libmd: Always erase context in _Final method, and when doing 2018-07-20 07:01:28 +00:00
ddb Extend show proc with reaper, sigparent, and vmspace information 2018-05-25 13:59:48 +00:00
dev ofw_cpu: Add support for getting cpu clock via clock property 2018-07-31 20:50:50 +00:00
dts Remove Atmel AT91RM9200 and AT91SAM9 support. 2018-07-27 18:28:22 +00:00
fs msdosfs: trim EOL whitespace 2018-07-31 12:44:28 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
gnu dts: Update our copy to Linux 4.17 2018-06-14 07:12:10 +00:00
i386 Rename VM_FREELIST_ISADMA to VM_FREELIST_LOWMEM. 2018-07-27 18:34:20 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern Remove a redundant check. 2018-07-30 17:58:41 +00:00
kgssapi OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
libkern Sync strlcpy with userland version, again 2018-06-21 17:35:13 +00:00
mips Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
modules Add ofw_bus_if.h to the SRCS list for ipmi module on powerpc64 2018-07-30 18:29:20 +00:00
net As with DPCPU_DEFINE_STATIC make VNET_DEFINE_STATIC non-static on arm64 in 2018-07-30 15:05:07 +00:00
net80211 net80211: Fix ifdetach w/o ifattach, small whitespace cleanup 2018-07-10 23:30:19 +00:00
netgraph Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
netinet Fix INET only builds. 2018-07-31 06:27:05 +00:00
netinet6 Allow implicit TCP connection setup for TCP/IPv6. 2018-07-30 21:27:26 +00:00
netipsec Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
netpfil Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
netsmb Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
nfs Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
nfsclient
nfsserver
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Only NULL check the VNET pointer when VIMAGE is enabled in ibcore. 2018-07-31 11:23:44 +00:00
opencrypto Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
powerpc powerpcspe: Unconditionally save an restore SPEFSCR on task switch 2018-07-30 17:03:15 +00:00
riscv Disable VIMAGE on RISC-V. 2018-07-30 12:22:49 +00:00
rpc Set SO_SNDTIMEO in the client side krpc when CLSET_TIMEOUT is done. 2018-07-20 12:03:16 +00:00
security fix incorrect operator in the AUDITPIPE_SET_QLIMIT bounds check 2018-07-23 16:56:49 +00:00
sparc64 Implement atomic_swap_{32,64,int,long,ptr}(9). 2018-07-28 15:42:57 +00:00
sys Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
teken teken: Fix sequences header which was crossing the 80-col boundary 2018-05-29 08:41:44 +00:00
tests epoch_test: fix compile 2018-07-15 00:31:17 +00:00
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
vm For compat32, emulate the same wraparound check as occurs on the real 2018-07-31 18:00:47 +00:00
x86 Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
xdr
xen xen: add missing file from r336474 2018-07-19 10:14:52 +00:00
Makefile