fuse: Add fuse_inode argument to fuse_prepare_release()

Here is preparation for next patches, which introduce new fi->lock for
protection of ff->write_entry linked into fi->write_files.

This patch just passes new argument to the function.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/fuse/cuse.c

@@ -141,10 +141,11 @@ static int cuse_open(struct inode *inode, struct file *file)
 
 static int cuse_release(struct inode *inode, struct file *file)
 {
+	struct fuse_inode *fi = get_fuse_inode(inode);
 	struct fuse_file *ff = file->private_data;
 	struct fuse_conn *fc = ff->fc;
 
-	fuse_sync_release(ff, file->f_flags);
+	fuse_sync_release(fi, ff, file->f_flags);
 	fuse_conn_put(fc);
 
 	return 0;

fs/fuse/dir.c

@@ -400,6 +400,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
 	struct fuse_create_in inarg;
 	struct fuse_open_out outopen;
 	struct fuse_entry_out outentry;
+	struct fuse_inode *fi;
 	struct fuse_file *ff;
 
 	/* Userspace expects S_IFREG in create mode */
@@ -451,7 +452,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
 			  &outentry.attr, entry_attr_timeout(&outentry), 0);
 	if (!inode) {
 		flags &= ~(O_CREAT | O_EXCL | O_TRUNC);
-		fuse_sync_release(ff, flags);
+		fuse_sync_release(NULL, ff, flags);
 		fuse_queue_forget(fc, forget, outentry.nodeid, 1);
 		err = -ENOMEM;
 		goto out_err;
@@ -462,7 +463,8 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
 	fuse_dir_changed(dir);
 	err = finish_open(file, entry, generic_file_open);
 	if (err) {
-		fuse_sync_release(ff, flags);
+		fi = get_fuse_inode(inode);
+		fuse_sync_release(fi, ff, flags);
 	} else {
 		file->private_data = ff;
 		fuse_finish_open(inode, file);

fs/fuse/file.c

@@ -224,7 +224,8 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
 	return err;
 }
 
-static void fuse_prepare_release(struct fuse_file *ff, int flags, int opcode)
+static void fuse_prepare_release(struct fuse_inode *fi, struct fuse_file *ff,
+				 int flags, int opcode)
 {
 	struct fuse_conn *fc = ff->fc;
 	struct fuse_req *req = ff->reserved_req;
@@ -249,11 +250,12 @@ static void fuse_prepare_release(struct fuse_file *ff, int flags, int opcode)
 
 void fuse_release_common(struct file *file, bool isdir)
 {
+	struct fuse_inode *fi = get_fuse_inode(file_inode(file));
 	struct fuse_file *ff = file->private_data;
 	struct fuse_req *req = ff->reserved_req;
 	int opcode = isdir ? FUSE_RELEASEDIR : FUSE_RELEASE;
 
-	fuse_prepare_release(ff, file->f_flags, opcode);
+	fuse_prepare_release(fi, ff, file->f_flags, opcode);
 
 	if (ff->flock) {
 		struct fuse_release_in *inarg = &req->misc.release.in;
@@ -295,10 +297,10 @@ static int fuse_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-void fuse_sync_release(struct fuse_file *ff, int flags)
+void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, int flags)
 {
 	WARN_ON(refcount_read(&ff->count) > 1);
-	fuse_prepare_release(ff, flags, FUSE_RELEASE);
+	fuse_prepare_release(fi, ff, flags, FUSE_RELEASE);
 	/*
 	 * iput(NULL) is a no-op and since the refcount is 1 and everything's
 	 * synchronous, we are fine with not doing igrab() here"

fs/fuse/fuse_i.h

@@ -817,7 +817,7 @@ struct fuse_file *fuse_file_alloc(struct fuse_conn *fc);
 void fuse_file_free(struct fuse_file *ff);
 void fuse_finish_open(struct inode *inode, struct file *file);
 
-void fuse_sync_release(struct fuse_file *ff, int flags);
+void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, int flags);
 
 /**
  * Send RELEASE or RELEASEDIR request