summaryrefslogtreecommitdiffstats
path: root/fs/cifs/cifsglob.h
diff options
context:
space:
mode:
authorJeff Layton <jlayton@redhat.com>2011-10-19 15:28:27 -0400
committerJeff Layton <jlayton@redhat.com>2011-10-19 15:28:27 -0400
commit1041e3f9919999b22c9c2a453aa0d92cd16b76ee (patch)
tree8793a5d636e7c565722bb4353b23c74d185cb28e /fs/cifs/cifsglob.h
parent42c4dfc213190fafffc53815c2ee6064430bc379 (diff)
downloadlinux-stable-1041e3f9919999b22c9c2a453aa0d92cd16b76ee.tar.gz
linux-stable-1041e3f9919999b22c9c2a453aa0d92cd16b76ee.tar.bz2
linux-stable-1041e3f9919999b22c9c2a453aa0d92cd16b76ee.zip
cifs: keep a reusable kvec array for receives
Having to continually allocate a new kvec array is expensive. Allocate one that's big enough, and only reallocate it as needed. Reviewed-and-Tested-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 55ebf39fb3fd..51ed2de23070 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -292,6 +292,8 @@ struct TCP_Server_Info {
bool sec_kerberos; /* supports plain Kerberos */
bool sec_mskerberos; /* supports legacy MS Kerberos */
struct delayed_work echo; /* echo ping workqueue job */
+ struct kvec *iov; /* reusable kvec array for receives */
+ unsigned int nr_iov; /* number of kvecs in array */
#ifdef CONFIG_CIFS_FSCACHE
struct fscache_cookie *fscache; /* client index cache cookie */
#endif