From 834170c85978b0e85805364f623393968f7a9b5e Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 30 Sep 2016 21:14:26 -0500 Subject: 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 --- fs/cifs/cifs_ioctl.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'fs/cifs/cifs_ioctl.h') 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) -- cgit v1.2.3