From b1bc1874b885683df5da9d9548ca66dfc0e407f2 Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 11 Jun 2020 20:23:38 -0500 Subject: [PATCH] smb311: Add support for SMB311 query info (non-compounded) Add worker function for non-compounded SMB3.1.1 POSIX Extensions query info. This is needed for revalidate of root (cached) directory for example. Signed-off-by: Steve French Reviewed-by: Ronnie Sahlberg Reviewed-by: Aurelien Aptel --- fs/cifs/smb2pdu.c | 13 +++++++++++++ fs/cifs/smb2proto.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 3f232c8da390..3f5c3dd57c86 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3458,6 +3458,19 @@ int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, NULL); } +int +SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen) +{ + size_t output_len = sizeof(struct smb311_posix_qinfo *) + + (sizeof(struct cifs_sid) * 2) + (PATH_MAX * 2); + *plen = 0; + + return query_info(xid, tcon, persistent_fid, volatile_fid, + SMB_FIND_FILE_POSIX_INFO, SMB2_O_INFO_FILE, 0, + output_len, sizeof(struct smb311_posix_qinfo), (void **)&data, plen); +} + int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, u64 volatile_fid, diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index a5c6da59847e..2f8ecbf54214 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -182,6 +182,8 @@ extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst, struct TCP_Server_Info *server, u64 persistent_file_id, u64 volatile_file_id); extern void SMB2_flush_free(struct smb_rqst *rqst); +extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen); extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_file_id, u64 volatile_file_id, struct smb2_file_all_info *data);