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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 <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
This commit is contained in:
Steve French 2020-06-11 20:23:38 -05:00
parent 6a5f6592a0
commit b1bc1874b8
2 changed files with 15 additions and 0 deletions
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13
fs/cifs/smb2pdu.c
View File

@ -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,

2
fs/cifs/smb2proto.h
View File

@ -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);