1 files changed, 30 insertions, 4 deletions

diff --git a/fs/smb/client/dir.c b/fs/smb/client/dir.c
index 864b194dbaa0..5223edf6d11a 100644
--- a/fs/smb/client/dir.c
+++ b/fs/smb/client/dir.c
@@ -23,6 +23,7 @@
 #include "fs_context.h"
 #include "cifs_ioctl.h"
 #include "fscache.h"
+#include "cached_dir.h"
 
 static void
 renew_parental_timestamps(struct dentry *direntry)
@@ -189,7 +190,9 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
 	int disposition;
 	struct TCP_Server_Info *server = tcon->ses->server;
 	struct cifs_open_parms oparms;
+	struct cached_fid *parent_cfid = NULL;
 	int rdwr_for_fscache = 0;
+	__le32 lease_flags = 0;
 
 	*oplock = 0;
 	if (tcon->ses->server->oplocks)
@@ -311,7 +314,28 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
 	if (!tcon->unix_ext && (mode & S_IWUGO) == 0)
 		create_options |= CREATE_OPTION_READONLY;
 
+
 retry_open:
+	if (tcon->cfids && direntry->d_parent && server->dialect >= SMB30_PROT_ID) {
+		parent_cfid = NULL;
+		spin_lock(&tcon->cfids->cfid_list_lock);
+		list_for_each_entry(parent_cfid, &tcon->cfids->entries, entry) {
+			if (parent_cfid->dentry == direntry->d_parent) {
+				cifs_dbg(FYI, "found a parent cached file handle\n");
+				if (parent_cfid->has_lease && parent_cfid->time) {
+					lease_flags
+						|= SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE;
+					memcpy(fid->parent_lease_key,
+					       parent_cfid->fid.lease_key,
+					       SMB2_LEASE_KEY_SIZE);
+					parent_cfid->dirents.is_valid = false;
+				}
+				break;
+			}
+		}
+		spin_unlock(&tcon->cfids->cfid_list_lock);
+	}
+
 	oparms = (struct cifs_open_parms) {
 		.tcon = tcon,
 		.cifs_sb = cifs_sb,
@@ -320,6 +344,7 @@ retry_open:
 		.disposition = disposition,
 		.path = full_path,
 		.fid = fid,
+		.lease_flags = lease_flags,
 		.mode = mode,
 	};
 	rc = server->ops->open(xid, &oparms, oplock, buf);
@@ -627,7 +652,7 @@ int cifs_mknod(struct mnt_idmap *idmap, struct inode *inode,
 		goto mknod_out;
 	}
 
-	trace_smb3_mknod_enter(xid, tcon->ses->Suid, tcon->tid, full_path);
+	trace_smb3_mknod_enter(xid, tcon->tid, tcon->ses->Suid, full_path);
 
 	rc = tcon->ses->server->ops->make_node(xid, inode, direntry, tcon,
 					       full_path, mode,
@@ -635,9 +660,9 @@ int cifs_mknod(struct mnt_idmap *idmap, struct inode *inode,
 
 mknod_out:
 	if (rc)
-		trace_smb3_mknod_err(xid,  tcon->ses->Suid, tcon->tid, rc);
+		trace_smb3_mknod_err(xid,  tcon->tid, tcon->ses->Suid, rc);
 	else
-		trace_smb3_mknod_done(xid, tcon->ses->Suid, tcon->tid);
+		trace_smb3_mknod_done(xid, tcon->tid, tcon->ses->Suid);
 
 	free_dentry_path(page);
 	free_xid(xid);
@@ -737,7 +762,8 @@ again:
 }
 
 static int
-cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
+cifs_d_revalidate(struct inode *dir, const struct qstr *name,
+		  struct dentry *direntry, unsigned int flags)
 {
 	struct inode *inode;
 	int rc;