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Serapheim Dimitropoulos 9f3c72a2a8 Name anonymous enum of KMC_BIT constants 
Giving a name to this enum makes it discoverable from
debugging tools like DRGN and SDB. For example, with
the name proposed on this patch we can iterate over
these values in DRGN:
```
>>> prog.type('enum kmc_bit').enumerators
(('KMC_BIT_NOTOUCH', 0), ('KMC_BIT_NODEBUG', 1),
('KMC_BIT_NOMAGAZINE', 2), ('KMC_BIT_NOHASH', 3),
('KMC_BIT_QCACHE', 4), ('KMC_BIT_KMEM', 5),
('KMC_BIT_VMEM', 6), ('KMC_BIT_SLAB', 7),
...
```
This enables SDB to easily pretty-print the flags of
the spl_kmem_caches in the system like this:
```
> spl_kmem_caches -o "name,flags,total_memory"
name                                       flags total_memory
------------------------ ----------------------- ------------
abd_t                    KMC_NOMAGAZINE|KMC_SLAB        4.5MB
arc_buf_hdr_t_full       KMC_NOMAGAZINE|KMC_SLAB       12.3MB
... <cropped> ...
ddt_cache                               KMC_VMEM      583.7KB
ddt_entry_cache          KMC_NOMAGAZINE|KMC_SLAB         0.0B
... <cropped> ...
zio_buf_1048576             KMC_NODEBUG|KMC_VMEM         0.0B
... <cropped> ...
```

Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #9478
2019-10-18 13:25:44 -04:00
.github Fix typos 2019-09-02 18:17:39 -07:00
cmd Detect if sed supports --in-place 2019-10-16 19:19:48 -07:00
config Detect if sed supports --in-place 2019-10-16 19:19:48 -07:00
contrib Fix for zfs-dracut regression 2019-10-01 12:54:27 -07:00
etc Workaround to avoid a race when /var/lib is a persistent dataset 2019-10-02 10:51:55 -07:00
include Name anonymous enum of KMC_BIT constants 2019-10-18 13:25:44 -04:00
lib OpenZFS restructuring - ARC memory pressure 2019-10-18 13:23:19 -04:00
man Modify sharenfs=on default behavior 2019-10-13 19:13:26 -07:00
module Update skc_obj_alloc for spl kmem caches that are backed by Linux 2019-10-18 13:24:28 -04:00
rpm Canonicalize Python shebangs 2019-09-12 13:32:32 -07:00
scripts Move platform independent tests to a shared runfile 2019-10-09 10:39:26 -07:00
tests Detect if sed supports --in-place 2019-10-16 19:19:48 -07:00
udev Restore :: in Makefile.am 2019-08-26 11:48:31 -07:00
.gitignore Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
AUTHORS Update build system and packaging 2018-05-29 16:00:33 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
CODE_OF_CONDUCT.md Add CODE_OF_CONDUCT.md 2019-04-30 10:58:45 -07:00
configure.ac Sort list of generated files in configure.ac 2019-10-09 10:54:22 -07:00
copy-builtin copy-builtin: SPL must be in Kbuild first (again) 2019-09-11 11:09:50 -07:00
COPYRIGHT OpenZFS restructuring - move platform specific sources 2019-09-06 11:26:26 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
META Tag 0.8.0 2019-05-21 11:11:41 -07:00
NEWS Add NEWS file 2018-09-18 12:03:47 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md Explicitly state supported Linux versions 2018-05-30 20:11:19 -07:00
TEST Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

img

ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

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Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.

Release

ZFS on Linux is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels

  • The META file contains the officially recognized supported kernel versions.