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locking/atomics, fs/ncpfs: Convert ACCESS_ONCE() to READ_ONCE()/WRITE_ONCE()

The NCPFS code has some stale comments regarding ACCESS_ONCE() uses
which were removed a long time ago.

Let's remove the stale comments.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Vandrovec <petr@vandrovec.name>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: davem@davemloft.net
Cc: linux-arch@vger.kernel.org
Cc: mpe@ellerman.id.au
Cc: shuah@kernel.org
Cc: snitzer@redhat.com
Cc: thor.thayer@linux.intel.com
Cc: tj@kernel.org
Cc: will.deacon@arm.com
Link: http://lkml.kernel.org/r/1508792849-3115-5-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Mark Rutland 2017-10-23 14:07:15 -07:00 committed by Ingo Molnar
parent 66702eb590
commit fd7048adb7

View File

@ -119,10 +119,6 @@ static inline int ncp_case_sensitive(const struct inode *i)
/*
* Note: leave the hash unchanged if the directory
* is case-sensitive.
*
* Accessing the parent inode can be racy under RCU pathwalking.
* Use ACCESS_ONCE() to make sure we use _one_ particular inode,
* the callers will handle races.
*/
static int
ncp_hash_dentry(const struct dentry *dentry, struct qstr *this)
@ -147,11 +143,6 @@ ncp_hash_dentry(const struct dentry *dentry, struct qstr *this)
return 0;
}
/*
* Accessing the parent inode can be racy under RCU pathwalking.
* Use ACCESS_ONCE() to make sure we use _one_ particular inode,
* the callers will handle races.
*/
static int
ncp_compare_dentry(const struct dentry *dentry,
unsigned int len, const char *str, const struct qstr *name)