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SubjectRe: [patch 01/10] smbfs: Convert server->sem to mutex
On Fri, Jan 29, 2010 at 08:38:34PM -0000, Thomas Gleixner wrote:
> The semaphore server->sem is used as mutex. Rename it to server->mutex
> and convert it to a real mutex.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Al Viro <viro@zeniv.linux.org.uk>
> Cc: Jeff Layton <jlayton@redhat.com>
> Cc: Steve French <sfrench@us.ibm.com>

Looks good,


Reviewed-by: Christoph Hellwig <hch@lst.de>

> static inline int
> smb_lock_server_interruptible(struct smb_sb_info *server)
> {
> - return down_interruptible(&(server->sem));
> + return mutex_lock_interruptible(&server->mutex);
> }
>
> static inline void
> smb_lock_server(struct smb_sb_info *server)
> {
> - down(&(server->sem));
> + mutex_lock(&server->mutex);
> }
>
> static inline void
> smb_unlock_server(struct smb_sb_info *server)
> {
> - up(&(server->sem));
> + mutex_unlock(&server->mutex);
> }

Eventually someone should also kill this useless wrappers, but let's do
one thing at a time for now.



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