Message ID | 20180530194807.31657-16-longli@linuxonhyperv.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
2018-05-30 12:48 GMT-07:00 Long Li <longli@linuxonhyperv.com>: > From: Long Li <longli@microsoft.com> > > With direct read/write functions implemented, add them to file_operations. > When mounting with "cache=none", CIFS uses direct I/O. > > Signed-off-by: Long Li <longli@microsoft.com> > --- > fs/cifs/cifsfs.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c > index 62f1662..e84f8c2 100644 > --- a/fs/cifs/cifsfs.c > +++ b/fs/cifs/cifsfs.c > @@ -1113,9 +1113,8 @@ const struct file_operations cifs_file_strict_ops = { > }; > > const struct file_operations cifs_file_direct_ops = { > - /* BB reevaluate whether they can be done with directio, no cache */ > - .read_iter = cifs_user_readv, > - .write_iter = cifs_user_writev, > + .read_iter = cifs_direct_readv, > + .write_iter = cifs_direct_writev, I would postpone making this change until we have asynchronous I/O support for direct mode. -- Best regards, Pavel Shilovsky -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 62f1662..e84f8c2 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1113,9 +1113,8 @@ const struct file_operations cifs_file_strict_ops = { }; const struct file_operations cifs_file_direct_ops = { - /* BB reevaluate whether they can be done with directio, no cache */ - .read_iter = cifs_user_readv, - .write_iter = cifs_user_writev, + .read_iter = cifs_direct_readv, + .write_iter = cifs_direct_writev, .open = cifs_open, .release = cifs_close, .lock = cifs_lock,