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smb3: send backup intent on compounded query info

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When mounting with backupuid set, we should be setting
CREATE_OPEN_BACKUP_INTENT flag on compounded opens as well,
especially the case of compounded smb2_query_path_info.

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French 2018-10-19 00:32:41 -05:00
parent 0cb012d1a0
commit 61351d6d54
1 changed files with 7 additions and 2 deletions
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9
fs/cifs/smb2inode.c
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@ -293,6 +293,7 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
{ {
int rc; int rc;
struct smb2_file_all_info *smb2_data; struct smb2_file_all_info *smb2_data;
__u32 create_options = 0;
*adjust_tz = false; *adjust_tz = false;
*symlink = false; *symlink = false;
@ -301,16 +302,20 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
GFP_KERNEL); GFP_KERNEL);
if (smb2_data == NULL) if (smb2_data == NULL)
return -ENOMEM; return -ENOMEM;
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, rc = smb2_compound_op(xid, tcon, cifs_sb, full_path,
FILE_READ_ATTRIBUTES, FILE_OPEN, 0, FILE_READ_ATTRIBUTES, FILE_OPEN, create_options,
smb2_data, SMB2_OP_QUERY_INFO); smb2_data, SMB2_OP_QUERY_INFO);
if (rc == -EOPNOTSUPP) { if (rc == -EOPNOTSUPP) {
*symlink = true; *symlink = true;
create_options |= OPEN_REPARSE_POINT;
/* Failed on a symbolic link - query a reparse point info */ /* Failed on a symbolic link - query a reparse point info */
rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, rc = smb2_compound_op(xid, tcon, cifs_sb, full_path,
FILE_READ_ATTRIBUTES, FILE_OPEN, FILE_READ_ATTRIBUTES, FILE_OPEN,
OPEN_REPARSE_POINT, smb2_data, create_options, smb2_data,
SMB2_OP_QUERY_INFO); SMB2_OP_QUERY_INFO);
} }
if (rc) if (rc)