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This commit is contained in:
Ilia Ross
2026-08-07 02:29:36 +02:00
parent 2918ac4204
commit 40f0239224
1 changed files with 9 additions and 7 deletions
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16
quota/linux-lib.pl
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@@ -1560,9 +1560,10 @@ return defined($_[0]) && $_[0] =~ /^\d+\/\d+$/ ? 1 : 0;
Sets the referenced or exclusive byte limit for a Btrfs qgroup. If qgroup is
undef, path must be a subvolume and its level-0 qgroup is changed. If bytes
is undef, the limit is removed. If quota enforcement on path or one of its
parent qgroups blocks the transaction, it is temporarily overridden for one
retry. Returns undef on success or an error message on failure.
is undef, the limit is removed. If the qgroup for the subvolume containing
path, or one of its parent qgroups, blocks the transaction, quota enforcement
is temporarily overridden for one retry. Returns undef on success or an error
message on failure.
=cut
sub set_btrfs_qgroup_limit
@@ -1580,10 +1581,11 @@ push(@args, $qgroup) if (defined($qgroup));
push(@args, $path);
my ($out, $err) = &run_btrfs_command(1, @args);
# A limit on the command path or one of its parent qgroups can block the
# transaction needed to update any qgroup limit. Retry once with the kernel's
# administrative override, preserving the previous state and restoring
# enforcement immediately after the command.
# If the qgroup for the subvolume containing $path, or one of its parent
# qgroups, is over quota, Btrfs can reject the transaction needed to update any
# qgroup limit. Retry once with the kernel's administrative override,
# preserving the previous state and restoring enforcement immediately after
# the command.
if ($err && $err =~ /disk quota exceeded/i) {
my $uuid = &btrfs_filesystem_uuid($path);
my $sysfs = $btrfs_sysfs_root || "/sys/fs/btrfs";