From: Christian Brauner <brauner@kernel.org>
To: Jeff Layton <jlayton@kernel.org>,
Chuck Lever <chuck.lever@oracle.com>, Jan Kara <jack@suse.cz>,
Amir Goldstein <amir73il@gmail.com>,
Simona Vetter <simona@ffwll.ch>
Cc: linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org,
Christian Brauner <brauner@kernel.org>
Subject: [PATCH v2 05/11] fhandle: reflow get_path_anchor()
Date: Tue, 24 Jun 2025 10:29:08 +0200 [thread overview]
Message-ID: <20250624-work-pidfs-fhandle-v2-5-d02a04858fe3@kernel.org> (raw)
In-Reply-To: <20250624-work-pidfs-fhandle-v2-0-d02a04858fe3@kernel.org>
Switch to a more common coding style.
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
fs/fhandle.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/fs/fhandle.c b/fs/fhandle.c
index d8d32208c621..22edced83e4c 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -170,18 +170,22 @@ SYSCALL_DEFINE5(name_to_handle_at, int, dfd, const char __user *, name,
static int get_path_anchor(int fd, struct path *root)
{
+ if (fd >= 0) {
+ CLASS(fd, f)(fd);
+ if (fd_empty(f))
+ return -EBADF;
+ *root = fd_file(f)->f_path;
+ path_get(root);
+ return 0;
+ }
+
if (fd == AT_FDCWD) {
struct fs_struct *fs = current->fs;
spin_lock(&fs->lock);
*root = fs->pwd;
path_get(root);
spin_unlock(&fs->lock);
- } else {
- CLASS(fd, f)(fd);
- if (fd_empty(f))
- return -EBADF;
- *root = fd_file(f)->f_path;
- path_get(root);
+ return 0;
}
return 0;
--
2.47.2
next prev parent reply other threads:[~2025-06-24 8:29 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-24 8:29 [PATCH v2 00/11] fhandle, pidfs: allow open_by_handle_at() purely based on file handle Christian Brauner
2025-06-24 8:29 ` [PATCH v2 01/11] fhandle: raise FILEID_IS_DIR in handle_type Christian Brauner
2025-06-24 9:31 ` Jan Kara
2025-06-24 8:29 ` [PATCH v2 02/11] fhandle: hoist copy_from_user() above get_path_from_fd() Christian Brauner
2025-06-24 9:31 ` Jan Kara
2025-06-24 8:29 ` [PATCH v2 03/11] fhandle: rename to get_path_anchor() Christian Brauner
2025-06-24 9:31 ` Jan Kara
2025-06-24 8:29 ` [PATCH v2 04/11] pidfs: add pidfs_root_path() helper Christian Brauner
2025-06-24 9:31 ` Jan Kara
2025-06-24 8:29 ` Christian Brauner [this message]
2025-06-24 9:16 ` [PATCH v2 05/11] fhandle: reflow get_path_anchor() Jan Kara
2025-06-24 10:16 ` Christian Brauner
2025-06-24 8:29 ` [PATCH v2 06/11] uapi/fcntl: mark range as reserved Christian Brauner
2025-06-24 9:16 ` Jan Kara
2025-06-24 10:57 ` Amir Goldstein
2025-06-24 13:47 ` Christian Brauner
2025-06-24 8:29 ` [PATCH v2 07/11] uapi/fcntl: add FD_INVALID Christian Brauner
2025-06-24 9:17 ` Jan Kara
2025-06-24 8:29 ` [PATCH v2 08/11] exportfs: add FILEID_PIDFS Christian Brauner
2025-06-24 9:17 ` Jan Kara
2025-06-24 13:15 ` Amir Goldstein
2025-06-24 13:43 ` Christian Brauner
2025-06-24 14:20 ` Amir Goldstein
2025-06-24 8:29 ` [PATCH v2 09/11] fhandle: add EXPORT_OP_AUTONOMOUS_HANDLES marker Christian Brauner
2025-06-24 9:18 ` Jan Kara
2025-06-24 9:20 ` Jan Kara
2025-06-24 10:16 ` Christian Brauner
2025-06-24 8:29 ` [PATCH v2 10/11] fhandle, pidfs: support open_by_handle_at() purely based on file handle Christian Brauner
2025-06-24 9:30 ` Jan Kara
2025-06-24 10:15 ` Christian Brauner
2025-06-24 10:53 ` Amir Goldstein
2025-06-24 14:28 ` Amir Goldstein
2025-06-24 14:51 ` Christian Brauner
2025-06-24 15:07 ` Amir Goldstein
2025-06-24 15:23 ` Christian Brauner
2025-06-24 17:45 ` Jan Kara
2025-06-24 19:23 ` Amir Goldstein
2025-06-25 7:52 ` Christian Brauner
2025-06-24 23:07 ` Al Viro
2025-06-25 7:52 ` Christian Brauner
2025-06-24 8:29 ` [PATCH v2 11/11] selftests/pidfd: decode pidfd file handles withou having to specify an fd Christian Brauner
2025-06-24 9:39 ` Jan Kara
2025-06-24 10:58 ` [PATCH v2 00/11] fhandle, pidfs: allow open_by_handle_at() purely based on file handle Amir Goldstein
2025-06-24 10:59 ` Christian Brauner
2025-06-24 14:15 ` Jan Kara
2025-06-24 14:34 ` Amir Goldstein
2025-06-24 14:39 ` Christian Brauner
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