From 33319141252fd14b58cf13685156c23dcaac2527 Mon Sep 17 00:00:00 2001 From: Pavel Shilovsky Date: Tue, 18 Sep 2012 16:20:29 -0700 Subject: CIFS: Add SMB2 support for cifs_iovec_write Signed-off-by: Pavel Shilovsky Signed-off-by: Steve French Signed-off-by: Steve French --- fs/cifs/cifssmb.c | 26 -------------------------- 1 file changed, 26 deletions(-) (limited to 'fs/cifs/cifssmb.c') diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 2a9b27387708..f27b13ea08b8 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -86,32 +86,6 @@ static struct { #endif /* CONFIG_CIFS_WEAK_PW_HASH */ #endif /* CIFS_POSIX */ -#ifdef CONFIG_HIGHMEM -/* - * On arches that have high memory, kmap address space is limited. By - * serializing the kmap operations on those arches, we ensure that we don't - * end up with a bunch of threads in writeback with partially mapped page - * arrays, stuck waiting for kmap to come back. That situation prevents - * progress and can deadlock. - */ -static DEFINE_MUTEX(cifs_kmap_mutex); - -static inline void -cifs_kmap_lock(void) -{ - mutex_lock(&cifs_kmap_mutex); -} - -static inline void -cifs_kmap_unlock(void) -{ - mutex_unlock(&cifs_kmap_mutex); -} -#else /* !CONFIG_HIGHMEM */ -#define cifs_kmap_lock() do { ; } while(0) -#define cifs_kmap_unlock() do { ; } while(0) -#endif /* CONFIG_HIGHMEM */ - /* * Mark as invalid, all open files on tree connections since they * were closed when session to server was lost. -- cgit v1.2.3