linux-kernel - [PATCH] ramfs: support O

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Message-ID: <20190206073349.GA15311@avx2>
Date:   Wed, 6 Feb 2019 10:33:49 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     viro@...iv.linux.org.uk, akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH] ramfs: support O_TMPFILE

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 fs/ramfs/inode.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -145,6 +145,17 @@ static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char *
 	return error;
 }
 
+static int ramfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+	struct inode *inode;
+
+	inode = ramfs_get_inode(dir->i_sb, dir, mode, 0);
+	if (!inode)
+		return -ENOSPC;
+	d_tmpfile(dentry, inode);
+	return 0;
+}
+
 static const struct inode_operations ramfs_dir_inode_operations = {
 	.create		= ramfs_create,
 	.lookup		= simple_lookup,
@@ -155,6 +166,7 @@ static const struct inode_operations ramfs_dir_inode_operations = {
 	.rmdir		= simple_rmdir,
 	.mknod		= ramfs_mknod,
 	.rename		= simple_rename,
+	.tmpfile	= ramfs_tmpfile,
 };
 
 /*