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CIFS: Add SMB2 support for hardlink operation

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Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky
2012-09-18 16:20:31 -07:00
committed by Steve French
parent d6e906f1b5
commit 568798cc62
6 changed files with 76 additions and 6 deletions
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34
fs/cifs/smb2inode.c
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@@ -78,6 +78,10 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
tmprc = SMB2_rename(xid, tcon, persistent_fid, volatile_fid,
(__le16 *)data);
break;
case SMB2_OP_HARDLINK:
tmprc = SMB2_set_hardlink(xid, tcon, persistent_fid,
volatile_fid, (__le16 *)data);
break;
default:
cERROR(1, "Invalid command");
break;
@@ -175,10 +179,10 @@ smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
SMB2_OP_DELETE);
}
int
smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb)
static int
smb2_set_path_attr(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb, __u32 access, int command)
{
__le16 *smb2_to_name = NULL;
int rc;
@@ -189,9 +193,27 @@ smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
goto smb2_rename_path;
}
rc = smb2_open_op_close(xid, tcon, cifs_sb, from_name, DELETE,
FILE_OPEN, 0, 0, smb2_to_name, SMB2_OP_RENAME);
rc = smb2_open_op_close(xid, tcon, cifs_sb, from_name, access,
FILE_OPEN, 0, 0, smb2_to_name, command);
smb2_rename_path:
kfree(smb2_to_name);
return rc;
}
int
smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb)
{
return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb,
DELETE, SMB2_OP_RENAME);
}
int
smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb)
{
return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb,
FILE_READ_ATTRIBUTES, SMB2_OP_HARDLINK);
}