zfs/module
Matthew Macy 1e4732cbda
Decouple arc_read_done callback from arc buf instantiation
Add ARC_FLAG_NO_BUF to indicate that a buffer need not be
instantiated.  This fixes a ~20% performance regression on
cached reads due to zfetch changes.

Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #11220 
Closes #11232
2020-12-09 15:05:06 -08:00
..
avl Links in Source Files 2020-09-02 09:42:12 -07:00
icp Introduce CPU_SEQID_UNSTABLE 2020-11-02 11:51:12 -08:00
lua Use known license string for zlua 2020-10-27 09:43:36 -07:00
nvpair Links in Source Files 2020-09-02 09:42:12 -07:00
os Bring consistency to ABD chunk count types. 2020-12-06 09:53:40 -08:00
spl Cleanup linux module kbuild files 2020-06-10 09:24:15 -07:00
unicode Throw const on some strings 2020-10-02 17:44:10 -07:00
zcommon Reduce fletcher4 and raidz benchmark times 2020-12-06 09:57:20 -08:00
zfs Decouple arc_read_done callback from arc buf instantiation 2020-12-09 15:05:06 -08:00
zstd Optimize locking checks in mempool allocator 2020-11-02 12:10:07 -08:00
.gitignore Cleanup linux module kbuild files 2020-06-10 09:24:15 -07:00
Kbuild.in Add zstd support to zfs 2020-08-20 10:30:06 -07:00
Makefile.bsd FreeBSD: decouple ZFS_DEBUG from kernel debug settings 2020-11-24 09:16:46 -08:00
Makefile.in Fix Linux modules uninstall 2020-10-08 20:07:10 -07:00