Commit 00699ad8 authored Jul 05, 2016 by Al Viro

Use the right predicate in ->atomic_open() instances



->atomic_open() can be given an in-lookup dentry *or* a negative one
found in dcache.  Use d_in_lookup() to tell one from another, rather
than d_unhashed().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent a99cde43

fs/9p/vfs_inode.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -853,7 +853,7 @@ v9fs_vfs_atomic_open(struct inode dir, struct dentry dentry,
		struct p9_fid fid, inode_fid;
		struct dentry *res = NULL;

		if (d_unhashed(dentry)) {
		if (d_in_lookup(dentry)) {
		res = v9fs_vfs_lookup(dir, dentry, 0);
		if (IS_ERR(res))
		return PTR_ERR(res);

fs/9p/vfs_inode_dotl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -254,7 +254,7 @@ v9fs_vfs_atomic_open_dotl(struct inode dir, struct dentry dentry,
		struct posix_acl pacl = NULL, dacl = NULL;
		struct dentry *res = NULL;

		if (d_unhashed(dentry)) {
		if (d_in_lookup(dentry)) {
		res = v9fs_vfs_lookup(dir, dentry, 0);
		if (IS_ERR(res))
		return PTR_ERR(res);

fs/ceph/file.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -394,7 +394,7 @@ int ceph_atomic_open(struct inode dir, struct dentry dentry,
		if ((flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
		err = ceph_handle_notrace_create(dir, dentry);

		if (d_unhashed(dentry)) {
		if (d_in_lookup(dentry)) {
		dn = ceph_finish_lookup(req, dentry, err);
		if (IS_ERR(dn))
		err = PTR_ERR(dn);

fs/cifs/dir.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -445,7 +445,7 @@ cifs_atomic_open(struct inode inode, struct dentry direntry,
		* Check for hashed negative dentry. We have already revalidated
		* the dentry and it is fine. No need to perform another lookup.
		*/
		if (!d_unhashed(direntry))
		if (!d_in_lookup(direntry))
		return -ENOENT;

		res = cifs_lookup(inode, direntry, 0);

fs/fuse/dir.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -480,7 +480,7 @@ static int fuse_atomic_open(struct inode dir, struct dentry entry,
		struct fuse_conn *fc = get_fuse_conn(dir);
		struct dentry *res = NULL;

		if (d_unhashed(entry)) {
		if (d_in_lookup(entry)) {
		res = fuse_lookup(dir, entry, 0);
		if (IS_ERR(res))
		return PTR_ERR(res);