2 files changed, 12 insertions, 1 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 50a6ca1bb521..d9ea7ada1378 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -858,6 +858,9 @@ struct cifs_tcon {
         __le64 vol_create_time;
         __u32 ss_flags;         /* sector size flags */
         __u32 perf_sector_size; /* best sector size for perf */
+        __u32 max_chunks;
+        __u32 max_bytes_chunk;
+        __u32 max_bytes_copy;
 #endif /* CONFIG_CIFS_SMB2 */
 #ifdef CONFIG_CIFS_FSCACHE
         u64 resource_id;                /* server resource id */
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 8ab05b0d6778..ca7f307ad97a 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -717,6 +717,14 @@ static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code)
 
 #define MAX_SHARENAME_LENGTH (255 /* server */ + 80 /* share */ + 1 /* NULL */)
 
+/* These are similar values to what Windows uses */
+static inline void init_copy_chunk_defaults(struct cifs_tcon *tcon)
+{
+        tcon->max_chunks = 256;
+        tcon->max_bytes_chunk = 1048576;
+        tcon->max_bytes_copy = 16777216;
+}
+
 int
 SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
           struct cifs_tcon *tcon, const struct nls_table *cp)
@@ -818,7 +826,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
         if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) &&
             ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0))
                 cifs_dbg(VFS, "DFS capability contradicts DFS flag\n");
-
+        init_copy_chunk_defaults(tcon);
 tcon_exit:
         free_rsp_buf(resp_buftype, rsp);
         kfree(unc_path);