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authorRonnie Sahlberg <lsahlber@redhat.com>2018-08-01 02:26:16 +0300
committerSteve French <stfrench@microsoft.com>2018-08-09 00:49:08 +0300
commit8eb4ecfab03d21146e144b0693ce96839d58202d (patch)
tree100c17b32f6b4ec75f8527e0dde9d627ae992cfe /fs/cifs
parent468d677954c0d94fec59275d91222257fe8b4416 (diff)
downloadlinux-8eb4ecfab03d21146e144b0693ce96839d58202d.tar.xz
cifs: add SMB2_close_init()/SMB2_close_free()
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Reviewed-by: Paulo Alcantara <palcantara@suse.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/smb2pdu.c48
-rw-r--r--fs/cifs/smb2proto.h3
2 files changed, 37 insertions, 14 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 7c0b30321d9a..78c7190f2295 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2445,43 +2445,62 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
}
int
+SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
+ u64 persistent_fid, u64 volatile_fid)
+{
+ struct smb2_close_req *req;
+ struct kvec *iov = rqst->rq_iov;
+ unsigned int total_len;
+ int rc;
+
+ rc = smb2_plain_req_init(SMB2_CLOSE, tcon, (void **) &req, &total_len);
+ if (rc)
+ return rc;
+
+ req->PersistentFileId = persistent_fid;
+ req->VolatileFileId = volatile_fid;
+ iov[0].iov_base = (char *)req;
+ iov[0].iov_len = total_len;
+
+ return 0;
+}
+
+void
+SMB2_close_free(struct smb_rqst *rqst)
+{
+ cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */
+}
+
+int
SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, int flags)
{
struct smb_rqst rqst;
- struct smb2_close_req *req;
- struct smb2_close_rsp *rsp;
+ struct smb2_close_rsp *rsp = NULL;
struct cifs_ses *ses = tcon->ses;
struct kvec iov[1];
struct kvec rsp_iov;
int resp_buftype;
int rc = 0;
- unsigned int total_len;
cifs_dbg(FYI, "Close\n");
if (!ses || !(ses->server))
return -EIO;
- rc = smb2_plain_req_init(SMB2_CLOSE, tcon, (void **) &req, &total_len);
- if (rc)
- return rc;
-
if (smb3_encryption_required(tcon))
flags |= CIFS_TRANSFORM_REQ;
- req->PersistentFileId = persistent_fid;
- req->VolatileFileId = volatile_fid;
-
- iov[0].iov_base = (char *)req;
- iov[0].iov_len = total_len;
-
memset(&rqst, 0, sizeof(struct smb_rqst));
+ memset(&iov, 0, sizeof(iov));
rqst.rq_iov = iov;
rqst.rq_nvec = 1;
+ rc = SMB2_close_init(tcon, &rqst, persistent_fid, volatile_fid);
+ if (rc)
+ goto close_exit;
+
rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov);
- cifs_small_buf_release(req);
rsp = (struct smb2_close_rsp *)rsp_iov.iov_base;
if (rc != 0) {
@@ -2494,6 +2513,7 @@ SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,
/* BB FIXME - decode close response, update inode for caching */
close_exit:
+ SMB2_close_free(&rqst);
free_rsp_buf(resp_buftype, rsp);
return rc;
}
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 19aa483395c7..fdd8c78648c6 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -141,6 +141,9 @@ extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id);
extern int SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, int flags);
+extern int SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
+ u64 persistent_file_id, u64 volatile_file_id);
+extern void SMB2_close_free(struct smb_rqst *rqst);
extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id);
extern int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,