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ext4/super: Rename kfree_rcu() to kfree_rcu_mightsleep()

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The kfree_rcu() and kvfree_rcu() macros' single-argument forms are
deprecated.  Therefore switch to the new kfree_rcu_mightsleep() and
kvfree_rcu_mightsleep() variants. The goal is to avoid accidental use
of the single-argument forms, which can introduce functionality bugs in
atomic contexts and latency bugs in non-atomic contexts.

Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Lukas Czerner <lczerner@redhat.com>
Acked-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
This commit is contained in:
Uladzislau Rezki (Sony) 2023-02-01 16:08:15 +01:00 committed by Joel Fernandes (Google)
parent 23532061ad
commit 10e4f310a8
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/super.c
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@ -2500,7 +2500,7 @@ static void ext4_apply_quota_options(struct fs_context *fc,
qname = rcu_replace_pointer(sbi->s_qf_names[i], qname,
lockdep_is_held(&sb->s_umount));
if (qname)
kfree_rcu(qname);
kfree_rcu_mightsleep(qname);
}
}