diff options
Diffstat (limited to 'usr/src/man/man1m/zfs-program.1m')
| -rw-r--r-- | usr/src/man/man1m/zfs-program.1m | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/usr/src/man/man1m/zfs-program.1m b/usr/src/man/man1m/zfs-program.1m index be42dae84b..abd93a5a73 100644 --- a/usr/src/man/man1m/zfs-program.1m +++ b/usr/src/man/man1m/zfs-program.1m @@ -18,6 +18,7 @@ .Nd executes ZFS channel programs .Sh SYNOPSIS .Cm "zfs program" +.Op Fl n .Op Fl t Ar instruction-limit .Op Fl m Ar memory-limit .Ar pool @@ -45,6 +46,14 @@ will be run on and any attempts to access or modify other pools will cause an error. .Sh OPTIONS .Bl -tag -width "-t" +.It Fl n +Executes a read-only channel program, which runs faster. +The program cannot change on-disk state by calling functions from the +zfs.sync submodule. +The program can be used to gather information such as properties and +determining if changes would succeed (zfs.check.*). +Without this flag, all pending changes must be synced to disk before a +channel program can complete. .It Fl t Ar instruction-limit Execution time limit, in number of Lua instructions to execute. If a channel program executes more than the specified number of instructions, |