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);