zpoolprops.7: Fix max length of name of user property

The documentation mentioned that the property name can be 256 characters long. This was incorrect. The last byte is reserved for NUL, so the name provided by the operator can be only 255 characters long. Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Alexander Motin <[email protected]> Reviewed-by: Tino Reichardt <[email protected]> Reviewed-by: Allan Jude <[email protected]> Signed-off-by: Mateusz Piotrowski <[email protected]> Sponsored-by: Klara, Inc. Sponsored-by: Wasabi Technology, Inc. Closes #16248
openzfs · Aug 8, 2024 · 2558518 · 2558518
1 parent 7ceb9ad
commit 2558518
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/man/man7/zpoolprops.7 b/man/man7/zpoolprops.7
@@ -28,7 +28,7 @@
 .\" Copyright (c) 2021, Colm Buckley <[email protected]>
 .\" Copyright (c) 2023, Klara Inc.
 .\"
-.Dd January 14, 2024
+.Dd July 29, 2024
 .Dt ZPOOLPROPS 7
 .Os
 .
@@ -488,7 +488,7 @@ The expected convention is that the property name is divided into two portions
 such as
 .Ar module : Ns Ar property ,
 but this namespace is not enforced by ZFS.
-User property names can be at most 256 characters, and cannot begin with a dash
+User property names can be at most 255 characters, and cannot begin with a dash
 .Pq Qq Sy - .
 .Pp
 When making programmatic use of user properties, it is strongly suggested to use