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Diffstat (limited to 'man/man8/zfs-program.8')
| -rw-r--r-- | man/man8/zfs-program.8 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/man/man8/zfs-program.8 b/man/man8/zfs-program.8 index b1d937b6e..8a478b70f 100644 --- a/man/man8/zfs-program.8 +++ b/man/man8/zfs-program.8 @@ -17,7 +17,8 @@ .Nm zfs program .Nd executes ZFS channel programs .Sh SYNOPSIS -.Cm zfs program +.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, |