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authorSteve French <smfrench@gmail.com>2013-11-15 11:26:24 -0600
committerSteve French <smfrench@gmail.com>2013-11-15 15:27:22 -0600
commitde9f68df675e9d8b0b6a533818a79dca6546a7ba (patch)
treee9e17a68a2b2c47d357f4945432adfa83634d707 /fs/cifs/smb2pdu.c
parentCIFS: SMB2/SMB3 Copy offload support (refcopy) phase 1 (diff)
downloadlinux-dev-de9f68df675e9d8b0b6a533818a79dca6546a7ba.tar.xz
linux-dev-de9f68df675e9d8b0b6a533818a79dca6546a7ba.zip
[CIFS] Set copychunk defaults
Patch 2 of the copy chunk series (the final patch will use these to handle copies of files larger than the chunk size. We set the same defaults that Windows and Samba expect for CopyChunk. Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: David Disseldorp <ddiss@samba.org>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r--fs/cifs/smb2pdu.c10
1 files changed, 9 insertions, 1 deletions
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);