Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Nesting shared in lazy is OK. Note nesting never blocks.

Browse Source
This commit is contained in:
riastradh 2015-03-31 20:50:29 +00:00
parent 6bb2a64eb0
commit c380b27c05
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
share/man/man9/fstrans.9
View File

@ -1,4 +1,4 @@
.\" $NetBSD: fstrans.9,v 1.18 2015/03/31 15:49:45 riastradh Exp $
.\" $NetBSD: fstrans.9,v 1.19 2015/03/31 20:50:29 riastradh Exp $
.\"
.\" Copyright (c) 2007 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -108,13 +108,11 @@ to sync it to its backing store, but blocked while the file system is
suspended.
.Pp
Transactions are per-thread and nestable: if a thread is already in a
transaction, it can enter another transaction.
transaction, it can enter another transaction without blocking.
Each
.Fn fstrans_start
must be paired with
.Fn fstrans_done .
Entering a shared transaction while in a lazy transaction is not
allowed and will lead to deadlock.
Transactions for multiple distinct mount points may not be nested.
.Pp
The file system's