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authorSteve French <smfrench@gmail.com>2016-09-30 21:14:26 -0500
committerSteve French <smfrench@gmail.com>2016-10-13 19:48:11 -0500
commit834170c85978b0e85805364f623393968f7a9b5e (patch)
tree92f80f9bdd84120a4aecacd3a8f8e06ec65079bc /fs/cifs/cifs_ioctl.h
parent18dd8e1a65ddae2351d0f0d6dd4a334f441fc5fa (diff)
Enable previous version support
Add ioctl to query previous versions of file Allows listing snapshots on files on SMB3 mounts. Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/cifs_ioctl.h')
-rw-r--r--fs/cifs/cifs_ioctl.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/cifs/cifs_ioctl.h b/fs/cifs/cifs_ioctl.h
index 0065256881d8..57ff0756e30c 100644
--- a/fs/cifs/cifs_ioctl.h
+++ b/fs/cifs/cifs_ioctl.h
@@ -36,7 +36,15 @@ struct smb_mnt_fs_info {
__u64 cifs_posix_caps;
} __packed;
+struct smb_snapshot_array {
+ __u32 number_of_snapshots;
+ __u32 number_of_snapshots_returned;
+ __u32 snapshot_array_size;
+ /* snapshots[]; */
+} __packed;
+
#define CIFS_IOCTL_MAGIC 0xCF
#define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int)
#define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4)
#define CIFS_IOC_GET_MNT_INFO _IOR(CIFS_IOCTL_MAGIC, 5, struct smb_mnt_fs_info)
+#define CIFS_ENUMERATE_SNAPSHOTS _IOR(CIFS_IOCTL_MAGIC, 6, struct smb_snapshot_array)