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authorPavel Shilovsky <pshilovsky@samba.org>2012-09-19 03:20:33 +0400
committerSteve French <smfrench@gmail.com>2012-09-25 06:46:30 +0400
commit76ec5e33846de386f44826f145cd725b92c23630 (patch)
tree864a76aa2c0aa618995f8b6587b1aa924d745f91 /fs/cifs/smb1ops.c
parent983c88a497914d60c91f431b05a8449ddda19167 (diff)
downloadlinux-76ec5e33846de386f44826f145cd725b92c23630.tar.xz
CIFS: Move statfs to ops struct
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb1ops.c')
-rw-r--r--fs/cifs/smb1ops.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index f55b2e3476e8..f6c7a1c9a1b6 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -18,6 +18,7 @@
*/
#include <linux/pagemap.h>
+#include <linux/vfs.h>
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifs_debug.h"
@@ -872,6 +873,38 @@ cifs_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid,
cinode->clientCanCacheRead ? 1 : 0);
}
+static int
+cifs_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
+ struct kstatfs *buf)
+{
+ int rc = -EOPNOTSUPP;
+
+ buf->f_type = CIFS_MAGIC_NUMBER;
+
+ /*
+ * We could add a second check for a QFS Unix capability bit
+ */
+ if ((tcon->ses->capabilities & CAP_UNIX) &&
+ (CIFS_POSIX_EXTENSIONS & le64_to_cpu(tcon->fsUnixInfo.Capability)))
+ rc = CIFSSMBQFSPosixInfo(xid, tcon, buf);
+
+ /*
+ * Only need to call the old QFSInfo if failed on newer one,
+ * e.g. by OS/2.
+ **/
+ if (rc && (tcon->ses->capabilities & CAP_NT_SMBS))
+ rc = CIFSSMBQFSInfo(xid, tcon, buf);
+
+ /*
+ * Some old Windows servers also do not support level 103, retry with
+ * older level one if old server failed the previous call or we
+ * bypassed it because we detected that this was an older LANMAN sess
+ */
+ if (rc)
+ rc = SMBOldQFSInfo(xid, tcon, buf);
+ return rc;
+}
+
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
@@ -932,6 +965,7 @@ struct smb_version_operations smb1_operations = {
.close_dir = cifs_close_dir,
.calc_smb_size = smbCalcSize,
.oplock_response = cifs_oplock_response,
+ .queryfs = cifs_queryfs,
};
struct smb_version_values smb1_values = {