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cifs: prototype declaration and definition to set acl for smb 2 - 3 and cifsacl mount options 

Modified current set info function to accommodate multiple info types and
additional information.

Added cifs acl specific function to invoke set info functionality.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
This commit is contained in:
Shirish Pargaonkar 2017-06-28 22:37:00 -05:00 committed by Steve French
parent 026d15f6b9
commit dac953401c
2 changed files with 30 additions and 12 deletions
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39
fs/cifs/smb2pdu.c
View File

@ -3000,8 +3000,9 @@ qdir_exit:
static int
send_set_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, u32 pid, int info_class,
unsigned int num, void **data, unsigned int *size)
u64 persistent_fid, u64 volatile_fid, u32 pid, u8 info_class,
u8 info_type, u32 additional_info, unsigned int num,
void **data, unsigned int *size)
{
struct smb2_set_info_req *req;
struct smb2_set_info_rsp *rsp = NULL;
@ -3037,10 +3038,11 @@ send_set_info(const unsigned int xid, struct cifs_tcon *tcon,
req->hdr.sync_hdr.ProcessId = cpu_to_le32(pid);
req->InfoType = SMB2_O_INFO_FILE;
req->InfoType = info_type;
req->FileInfoClass = info_class;
req->PersistentFileId = persistent_fid;
req->VolatileFileId = volatile_fid;
req->AdditionalInformation = cpu_to_le32(additional_info);
/* 4 for RFC1001 length and 1 for Buffer */
req->BufferOffset =
@ -3100,8 +3102,8 @@ SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
size[1] = len + 2 /* null */;
rc = send_set_info(xid, tcon, persistent_fid, volatile_fid,
current->tgid, FILE_RENAME_INFORMATION, 2, data,
size);
current->tgid, FILE_RENAME_INFORMATION, SMB2_O_INFO_FILE,
0, 2, data, size);
kfree(data);
return rc;
}
@ -3118,8 +3120,8 @@ SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
size = 1; /* sizeof __u8 */
return send_set_info(xid, tcon, persistent_fid, volatile_fid,
current->tgid, FILE_DISPOSITION_INFORMATION, 1, &data,
&size);
current->tgid, FILE_DISPOSITION_INFORMATION, SMB2_O_INFO_FILE,
0, 1, &data, &size);
}
int
@ -3148,7 +3150,8 @@ SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
size[1] = len + 2 /* null */;
rc = send_set_info(xid, tcon, persistent_fid, volatile_fid,
current->tgid, FILE_LINK_INFORMATION, 2, data, size);
current->tgid, FILE_LINK_INFORMATION, SMB2_O_INFO_FILE,
0, 2, data, size);
kfree(data);
return rc;
}
@ -3168,10 +3171,12 @@ SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
if (is_falloc)
return send_set_info(xid, tcon, persistent_fid, volatile_fid,
pid, FILE_ALLOCATION_INFORMATION, 1, &data, &size);
pid, FILE_ALLOCATION_INFORMATION, SMB2_O_INFO_FILE,
0, 1, &data, &size);
else
return send_set_info(xid, tcon, persistent_fid, volatile_fid,
pid, FILE_END_OF_FILE_INFORMATION, 1, &data, &size);
pid, FILE_END_OF_FILE_INFORMATION, SMB2_O_INFO_FILE,
0, 1, &data, &size);
}
int
@ -3181,8 +3186,18 @@ SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
unsigned int size;
size = sizeof(FILE_BASIC_INFO);
return send_set_info(xid, tcon, persistent_fid, volatile_fid,
current->tgid, FILE_BASIC_INFORMATION, 1,
(void **)&buf, &size);
current->tgid, FILE_BASIC_INFORMATION, SMB2_O_INFO_FILE,
0, 1, (void **)&buf, &size);
}
int
SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct cifs_ntsd *pnntsd, int pacllen, int aclflag)
{
return send_set_info(xid, tcon, persistent_fid, volatile_fid,
current->tgid, 0, SMB2_O_INFO_SECURITY, aclflag,
1, (void **)&pnntsd, &pacllen);
}
int

3
fs/cifs/smb2proto.h
View File

@ -166,6 +166,9 @@ extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
FILE_BASIC_INFO *buf);
extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid);
extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,