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Commit 32426f66 authored by Al Viro's avatar Al Viro
Browse files

pull bumping refcount into ->kill() 



there will be one more change of ->kill() calling conventions; this
isn't final.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 9e251d02

fs/fs_pin.c

+0 −12
Original line number Diff line number Diff line
@@ -34,12 +34,6 @@ void mnt_pin_kill(struct mount *m) 
			break;

		}

		pin = hlist_entry(p, struct fs_pin, m_list);

		if (!atomic_long_inc_not_zero(&pin->count)) {

			rcu_read_unlock();

			cpu_relax();

			continue;

		}

		rcu_read_unlock();

		pin->kill(pin);

	}

}
@@ -56,12 +50,6 @@ void sb_pin_kill(struct super_block *sb) 
			break;

		}

		pin = hlist_entry(p, struct fs_pin, s_list);

		if (!atomic_long_inc_not_zero(&pin->count)) {

			rcu_read_unlock();

			cpu_relax();

			continue;

		}

		rcu_read_unlock();

		pin->kill(pin);

	}

}

kernel/acct.c

+6 −0
Original line number Diff line number Diff line
@@ -189,6 +189,12 @@ static void acct_pin_kill(struct fs_pin *pin) 
{

	struct bsd_acct_struct *acct;

	acct = container_of(pin, struct bsd_acct_struct, pin);

	if (!atomic_long_inc_not_zero(&pin->count)) {

		rcu_read_unlock();

		cpu_relax();

		return;

	}

	rcu_read_unlock();

	mutex_lock(&acct->lock);

	if (!acct->ns) {

		mutex_unlock(&acct->lock);