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cifs: add SMB2_open() arg to return POSIX data

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allows SMB2_open() callers to pass down a POSIX data buffer that will
trigger requesting POSIX create context and parsing the response into
the provided buffer.

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
This commit is contained in:
Aurelien Aptel
2020-03-02 17:53:22 +01:00
committed by Steve French
parent 3d519bd126
commit 69dda3059e
6 changed files with 66 additions and 35 deletions
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23
fs/cifs/smb2ops.c
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@@ -794,7 +794,8 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
tcon->crfid.has_lease = true;
smb2_parse_contexts(server, o_rsp,
&oparms.fid->epoch,
oparms.fid->lease_key, &oplock, NULL);
oparms.fid->lease_key, &oplock,
NULL, NULL);
} else
goto oshr_exit;
@@ -838,7 +839,7 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
if (no_cached_open)
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL,
NULL);
NULL, NULL);
else
rc = open_shroot(xid, tcon, cifs_sb, &fid);
@@ -878,7 +879,8 @@ smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon,
oparms.fid = &fid;
oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL, NULL);
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL,
NULL, NULL);
if (rc)
return;
@@ -913,7 +915,8 @@ smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon,
oparms.fid = &fid;
oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL);
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL,
NULL);
if (rc) {
kfree(utf16_path);
return rc;
@@ -2122,7 +2125,8 @@ smb3_notify(const unsigned int xid, struct file *pfile,
oparms.fid = &fid;
oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL);
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL,
NULL);
if (rc)
goto notify_exit;
@@ -2543,7 +2547,8 @@ smb311_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
oparms.fid = &fid;
oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL, NULL);
rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL,
NULL, NULL);
if (rc)
return rc;
@@ -3028,7 +3033,8 @@ get_smb2_acl_by_path(struct cifs_sb_info *cifs_sb,
oparms.fid = &fid;
oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL);
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL,
NULL);
kfree(utf16_path);
if (!rc) {
rc = SMB2_query_acl(xid, tlink_tcon(tlink), fid.persistent_fid,
@@ -3086,7 +3092,8 @@ set_smb2_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
oparms.fid = &fid;
oparms.reconnect = false;
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL, NULL);
rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL,
NULL, NULL);
kfree(utf16_path);
if (!rc) {
rc = SMB2_set_acl(xid, tlink_tcon(tlink), fid.persistent_fid,