diff options
| author | Steve French <stfrench@microsoft.com> | 2018-10-19 00:32:41 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2018-10-23 21:16:05 -0500 |
| commit | 61351d6d54e651ec4098445afa5ddc2092c4741a (patch) | |
| tree | 9310721a7fc57dac0ace12cea35c4ea7231f7675 /fs/cifs | |
| parent | 0cb012d1a0a9ead759112da141698a2078fbf2ce (diff) | |
| download | linux-0-day-61351d6d54e651ec4098445afa5ddc2092c4741a.tar.gz linux-0-day-61351d6d54e651ec4098445afa5ddc2092c4741a.tar.xz | |
smb3: send backup intent on compounded query info
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>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/smb2inode.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index 50d4a9afb36ad..9e7ef7ec2d70f 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -293,6 +293,7 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, { int rc; struct smb2_file_all_info *smb2_data; + __u32 create_options = 0; *adjust_tz = false; *symlink = false; @@ -301,16 +302,20 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, GFP_KERNEL); if (smb2_data == NULL) return -ENOMEM; + if (backup_cred(cifs_sb)) + create_options |= CREATE_OPEN_BACKUP_INTENT; 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); if (rc == -EOPNOTSUPP) { *symlink = true; + create_options |= OPEN_REPARSE_POINT; + /* Failed on a symbolic link - query a reparse point info */ rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, FILE_READ_ATTRIBUTES, FILE_OPEN, - OPEN_REPARSE_POINT, smb2_data, + create_options, smb2_data, SMB2_OP_QUERY_INFO); } if (rc) |