config: drop 'maxfiles' parameter

The 'maxfiles' parameter has been deprecated since the addition of
'prune-backups' in the Proxmox VE 7 beta.

The setting was auto-converted when reading the storage
configuration.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Link: https://lore.proxmox.com/20250718125408.133376-2-f.ebner@proxmox.com

src/PVE/Storage.pm

@@ -249,27 +249,6 @@ sub lock_storage_config {
     }
 }
 
-# FIXME remove maxfiles for PVE 8.0 or PVE 9.0
-my $convert_maxfiles_to_prune_backups = sub {
-    my ($scfg) = @_;
-
-    return if !$scfg;
-
-    my $maxfiles = delete $scfg->{maxfiles};
-
-    if (!defined($scfg->{'prune-backups'}) && defined($maxfiles)) {
-        my $prune_backups;
-        if ($maxfiles) {
-            $prune_backups = { 'keep-last' => $maxfiles };
-        } else { # maxfiles 0 means no limit
-            $prune_backups = { 'keep-all' => 1 };
-        }
-        $scfg->{'prune-backups'} = PVE::JSONSchema::print_property_string(
-            $prune_backups, 'prune-backups',
-        );
-    }
-};
-
 sub storage_config {
     my ($cfg, $storeid, $noerr) = @_;
 
@@ -279,8 +258,6 @@ sub storage_config {
 
     die "storage '$storeid' does not exist\n" if (!$noerr && !$scfg);
 
-    $convert_maxfiles_to_prune_backups->($scfg);
-
     return $scfg;
 }
 

src/PVE/Storage/BTRFSPlugin.pm

@@ -68,7 +68,6 @@ sub options {
         nodes => { optional => 1 },
         shared => { optional => 1 },
         disable => { optional => 1 },
-        maxfiles => { optional => 1 },
         'prune-backups' => { optional => 1 },
         'max-protected-backups' => { optional => 1 },
         content => { optional => 1 },

src/PVE/Storage/CIFSPlugin.pm

@@ -153,7 +153,6 @@ sub options {
         subdir => { optional => 1 },
         nodes => { optional => 1 },
         disable => { optional => 1 },
-        maxfiles => { optional => 1 },
         'prune-backups' => { optional => 1 },
         'max-protected-backups' => { optional => 1 },
         content => { optional => 1 },

src/PVE/Storage/CephFSPlugin.pm

@@ -153,7 +153,6 @@ sub options {
         'create-subdirs' => { optional => 1 },
         fuse => { optional => 1 },
         bwlimit => { optional => 1 },
-        maxfiles => { optional => 1 },
         keyring => { optional => 1 },
         'prune-backups' => { optional => 1 },
         'max-protected-backups' => { optional => 1 },

src/PVE/Storage/DirPlugin.pm

@@ -84,7 +84,6 @@ sub options {
         nodes => { optional => 1 },
         shared => { optional => 1 },
         disable => { optional => 1 },
-        maxfiles => { optional => 1 },
         'prune-backups' => { optional => 1 },
         'max-protected-backups' => { optional => 1 },
         content => { optional => 1 },

src/PVE/Storage/NFSPlugin.pm

@@ -93,7 +93,6 @@ sub options {
         export => { fixed => 1 },
         nodes => { optional => 1 },
         disable => { optional => 1 },
-        maxfiles => { optional => 1 },
         'prune-backups' => { optional => 1 },
         'max-protected-backups' => { optional => 1 },
         options => { optional => 1 },

src/PVE/Storage/PBSPlugin.pm

@@ -73,7 +73,6 @@ sub options {
         password => { optional => 1 },
         'encryption-key' => { optional => 1 },
         'master-pubkey' => { optional => 1 },
-        maxfiles => { optional => 1 },
         'prune-backups' => { optional => 1 },
         'max-protected-backups' => { optional => 1 },
         fingerprint => { optional => 1 },

src/PVE/Storage/Plugin.pm

@@ -159,13 +159,6 @@ my $defaultData = {
             type => 'boolean',
             optional => 1,
         },
-        maxfiles => {
-            description => "Deprecated: use 'prune-backups' instead. "
-                . "Maximal number of backup files per VM. Use '0' for unlimited.",
-            type => 'integer',
-            minimum => 0,
-            optional => 1,
-        },
         'prune-backups' => get_standard_option('prune-backups'),
         'max-protected-backups' => {
             description =>

src/test/list_volumes_test.pm

@@ -63,7 +63,6 @@ my $mocked_vmlist = {
 my $storage_dir = File::Temp->newdir();
 my $scfg = {
     'type' => 'dir',
-    'maxfiles' => 0,
     'path' => $storage_dir,
     'shared' => 0,
     'content' => {

src/test/path_to_volume_id_test.pm

@@ -22,7 +22,6 @@ my $scfg = {
             'shared' => 0,
             'path' => "$storage_dir",
             'type' => 'dir',
-            'maxfiles' => 0,
             'content' => {
                 'snippets' => 1,
                 'rootdir' => 1,