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Make zfs-share service resilient to stale exports

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The are a few cases where stale entries in /etc/exports.d/zfs.exports 
will cause the nfs-server service to fail when starting up.

Since the nfs-server startup consumes /etc/exports.d/zfs.exports, the 
zfs-share service (which rebuilds the list of zfs exports) should run 
before the nfs-server service.

To make the zfs-share service resilient to stale exports, this change 
truncates the zfs config file as part of the zfs share -a operation.

Reviewed-by: Allan Jude <allan@klarasystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #13775
This commit is contained in:
Don Brady
2022-09-09 11:54:16 -06:00
committed by GitHub
parent 60d995727a
commit ede037cda7
12 changed files with 101 additions and 24 deletions
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lib/libshare/libshare_impl.h
+2 -1
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@@ -22,7 +22,7 @@
/*
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011 Gunnar Beutner
* Copyright (c) 2019, 2020 by Delphix. All rights reserved.
* Copyright (c) 2019, 2022 by Delphix. All rights reserved.
*/
#ifndef _LIBSPL_LIBSHARE_IMPL_H
#define _LIBSPL_LIBSHARE_IMPL_H
@@ -39,6 +39,7 @@ typedef struct {
boolean_t (*const is_shared)(sa_share_impl_t share);
int (*const validate_shareopts)(const char *shareopts);
int (*const commit_shares)(void);
void (*const truncate_shares)(void);
} sa_fstype_t;
extern const sa_fstype_t libshare_nfs_type, libshare_smb_type;