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From: Al Viro <viro@zeniv.linux.org.uk>
To: linux-fsdevel@vger.kernel.org
Cc: v9fs@lists.linux.dev, miklos@szeredi.hu, agruenba@redhat.com,
	linux-nfs@vger.kernel.org, hansg@kernel.org,
	linux-cifs@vger.kernel.org
Subject: [PATCH 5/9] simplify vboxsf_dir_atomic_open()
Date: Thu, 18 Sep 2025 00:27:32 +0100	[thread overview]
Message-ID: <20250917232736.2556586-5-viro@zeniv.linux.org.uk> (raw)
In-Reply-To: <20250917232736.2556586-1-viro@zeniv.linux.org.uk>

similar to 9p et.al.

Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/vboxsf/dir.c | 25 +++++++++----------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/fs/vboxsf/dir.c b/fs/vboxsf/dir.c
index 770e29ec3557..42bedc4ec7af 100644
--- a/fs/vboxsf/dir.c
+++ b/fs/vboxsf/dir.c
@@ -315,46 +315,39 @@ static int vboxsf_dir_atomic_open(struct inode *parent, struct dentry *dentry,
 {
 	struct vboxsf_sbi *sbi = VBOXSF_SBI(parent->i_sb);
 	struct vboxsf_handle *sf_handle;
-	struct dentry *res = NULL;
 	u64 handle;
 	int err;
 
 	if (d_in_lookup(dentry)) {
-		res = vboxsf_dir_lookup(parent, dentry, 0);
-		if (IS_ERR(res))
-			return PTR_ERR(res);
-
-		if (res)
-			dentry = res;
+		struct dentry *res = vboxsf_dir_lookup(parent, dentry, 0);
+		if (res || d_really_is_positive(dentry))
+			return finish_no_open(file, res);
 	}
 
 	/* Only creates */
-	if (!(flags & O_CREAT) || d_really_is_positive(dentry))
-		return finish_no_open(file, res);
+	if (!(flags & O_CREAT))
+		return finish_no_open(file, NULL);
 
 	err = vboxsf_dir_create(parent, dentry, mode, false, flags & O_EXCL, &handle);
 	if (err)
-		goto out;
+		return err;
 
 	sf_handle = vboxsf_create_sf_handle(d_inode(dentry), handle, SHFL_CF_ACCESS_READWRITE);
 	if (IS_ERR(sf_handle)) {
 		vboxsf_close(sbi->root, handle);
-		err = PTR_ERR(sf_handle);
-		goto out;
+		return PTR_ERR(sf_handle);
 	}
 
 	err = finish_open(file, dentry, generic_file_open);
 	if (err) {
 		/* This also closes the handle passed to vboxsf_create_sf_handle() */
 		vboxsf_release_sf_handle(d_inode(dentry), sf_handle);
-		goto out;
+		return err;
 	}
 
 	file->private_data = sf_handle;
 	file->f_mode |= FMODE_CREATED;
-out:
-	dput(res);
-	return err;
+	return 0;
 }
 
 static int vboxsf_dir_unlink(struct inode *parent, struct dentry *dentry)
-- 
2.47.3


  parent reply	other threads:[~2025-09-17 23:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-17 23:24 [PATCHES] finish_no_open() calling conventions change Al Viro
2025-09-17 23:27 ` [PATCH 1/9] allow finish_no_open(file, ERR_PTR(-E...)) Al Viro
2025-09-17 23:27   ` [PATCH 2/9] 9p: simplify v9fs_vfs_atomic_open() Al Viro
2025-09-17 23:27   ` [PATCH 3/9] 9p: simplify v9fs_vfs_atomic_open_dotl() Al Viro
2025-09-17 23:27   ` [PATCH 4/9] simplify cifs_atomic_open() Al Viro
2025-09-17 23:27   ` Al Viro [this message]
2025-09-18  7:34     ` [PATCH 5/9] simplify vboxsf_dir_atomic_open() Hans de Goede
2025-09-17 23:27   ` [PATCH 6/9] simplify nfs_atomic_open_v23() Al Viro
2025-09-17 23:27   ` [PATCH 7/9] simplify fuse_atomic_open() Al Viro
2025-09-19  9:16     ` Miklos Szeredi
2025-09-17 23:27   ` [PATCH 8/9] simplify gfs2_atomic_open() Al Viro
2025-09-17 23:27   ` [PATCH 9/9] slightly simplify nfs_atomic_open() Al Viro

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