CIFS: Add set_file_info support for SMB2

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

4 files changed, 39 insertions, 0 deletions

diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index 290583092293..1bd6b0f0c10e 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -86,6 +86,10 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
                 tmprc = SMB2_set_eof(xid, tcon, persistent_fid, volatile_fid,
                                      current->tgid, (__le64 *)data);
                 break;
+        case SMB2_OP_SET_INFO:
+                tmprc = SMB2_set_info(xid, tcon, persistent_fid, volatile_fid,
+                                      (FILE_BASIC_INFO *)data);
+                break;
         default:
                 cERROR(1, "Invalid command");
                 break;
@@ -232,3 +236,21 @@ smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
                                   FILE_WRITE_DATA, FILE_OPEN, 0, 0, &eof,
                                   SMB2_OP_SET_EOF);
 }
+
+int
+smb2_set_file_info(struct inode *inode, const char *full_path,
+                   FILE_BASIC_INFO *buf, const unsigned int xid)
+{
+        struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+        struct tcon_link *tlink;
+        int rc;
+
+        tlink = cifs_sb_tlink(cifs_sb);
+        if (IS_ERR(tlink))
+                return PTR_ERR(tlink);
+        rc = smb2_open_op_close(xid, tlink_tcon(tlink), cifs_sb, full_path,
+                                FILE_WRITE_ATTRIBUTES, FILE_OPEN, 0, 0, buf,
+                                SMB2_OP_SET_INFO);
+        cifs_put_tlink(tlink);
+        return rc;
+}
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index e0daf3a4dcc2..52bc93125726 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -457,6 +457,7 @@ struct smb_version_operations smb21_operations = {
         .query_file_info = smb2_query_file_info,
         .set_path_size = smb2_set_path_size,
         .set_file_size = smb2_set_file_size,
+        .set_file_info = smb2_set_file_info,
         .build_path_to_root = smb2_build_path_to_root,
         .mkdir = smb2_mkdir,
         .mkdir_setinfo = smb2_mkdir_setinfo,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 74a8381400b1..a1314f99b4cc 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1760,3 +1760,14 @@ SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
         return send_set_info(xid, tcon, persistent_fid, volatile_fid, pid,
                              FILE_END_OF_FILE_INFORMATION, 1, &data, &size);
 }
+
+int
+SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
+              u64 persistent_fid, u64 volatile_fid, FILE_BASIC_INFO *buf)
+{
+        unsigned int size;
+        size = sizeof(FILE_BASIC_INFO);
+        return send_set_info(xid, tcon, persistent_fid, volatile_fid,
+                             current->tgid, FILE_BASIC_INFORMATION, 1,
+                             (void **)&buf, &size);
+}
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 3d4866279530..277472433158 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -59,6 +59,8 @@ extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
                               const char *full_path, __u64 size,
                               struct cifs_sb_info *cifs_sb, bool set_alloc);
+extern int smb2_set_file_info(struct inode *inode, const char *full_path,
+                              FILE_BASIC_INFO *buf, const unsigned int xid);
 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
                       const char *name, struct cifs_sb_info *cifs_sb);
 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
@@ -124,5 +126,8 @@ extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
                         u64 persistent_fid, u64 volatile_fid, u32 pid,
                         __le64 *eof);
+extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
+                         u64 persistent_fid, u64 volatile_fid,
+                         FILE_BASIC_INFO *buf);
 
 #endif                  /* _SMB2PROTO_H */