dsl_dataset: put IO-inducing frees on the pool deadlist
[zfs.git] / cmd / zed / zed.d / README
blob7279b93704e25378fd9dded4aa92ba2b34eb85bf
1 Shell scripts are the recommended choice for ZEDLETs that mostly call
2 other utilities and do relatively little data manipulation.
4 Shell scripts MUST work on both bash and dash.
6 Shell scripts MUST run cleanly through ShellCheck:
7   http://www.shellcheck.net/
9 General functions reside in "zed-functions.sh".  Use them where applicable.
11 Additional references that may be of use:
13   Google Shell Style Guide
14   https://github.com/google/styleguide/blob/gh-pages/shell.xml
16   Dash as /bin/sh
17   https://wiki.ubuntu.com/DashAsBinSh
19   Common shell script mistakes
20   http://www.pixelbeat.org/programming/shell_script_mistakes.html
22   Filenames and Pathnames in Shell: How to do it Correctly
23   http://www.dwheeler.com/essays/filenames-in-shell.html
25   Autoconf: Portable Shell Programming
26   https://www.gnu.org/software/autoconf/manual/autoconf.html#Portable-Shell
28 Please BE CONSISTENT with the existing style, check for errors,
29 minimize dependencies where possible, try to be portable,
30 and comment anything non-obvious.  Festina lente.