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authorPavel Shilovsky <pshilovsky@samba.org>2012-09-19 01:20:29 +0200
committerSteve French <smfrench@gmail.com>2012-09-25 04:46:28 +0200
commit33319141252fd14b58cf13685156c23dcaac2527 (patch)
treeeebda8dab0fd4e759f58111f7a3d2fcef3e90b7f /fs/cifs/cifssmb.c
parentCIFS: Move async write to ops struct (diff)
downloadlinux-33319141252fd14b58cf13685156c23dcaac2527.tar.xz
linux-33319141252fd14b58cf13685156c23dcaac2527.zip
CIFS: Add SMB2 support for cifs_iovec_write
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c26
1 files changed, 0 insertions, 26 deletions
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.