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Message-Id: <20240514131711.379322-26-wedsonaf@gmail.com>
Date: Tue, 14 May 2024 10:17:06 -0300
From: Wedson Almeida Filho <wedsonaf@...il.com>
To: Alexander Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>,
Matthew Wilcox <willy@...radead.org>,
Dave Chinner <david@...morbit.com>
Cc: Kent Overstreet <kent.overstreet@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-fsdevel@...r.kernel.org,
rust-for-linux@...r.kernel.org,
linux-kernel@...r.kernel.org,
Wedson Almeida Filho <walmeida@...rosoft.com>
Subject: [RFC PATCH v2 25/30] rust: fs: export file type from mode constants
From: Wedson Almeida Filho <walmeida@...rosoft.com>
Allow Rust file system modules to use these constants if needed.
Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
---
rust/kernel/fs.rs | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/rust/kernel/fs.rs b/rust/kernel/fs.rs
index d64fe1a5812f..4d90b23735bc 100644
--- a/rust/kernel/fs.rs
+++ b/rust/kernel/fs.rs
@@ -31,6 +31,33 @@
/// This is C's `pgoff_t`.
pub type PageOffset = usize;
+/// Contains constants related to Linux file modes.
+pub mod mode {
+ /// A bitmask used to the file type from a mode value.
+ pub const S_IFMT: u16 = bindings::S_IFMT as u16;
+
+ /// File type constant for block devices.
+ pub const S_IFBLK: u16 = bindings::S_IFBLK as u16;
+
+ /// File type constant for char devices.
+ pub const S_IFCHR: u16 = bindings::S_IFCHR as u16;
+
+ /// File type constant for directories.
+ pub const S_IFDIR: u16 = bindings::S_IFDIR as u16;
+
+ /// File type constant for pipes.
+ pub const S_IFIFO: u16 = bindings::S_IFIFO as u16;
+
+ /// File type constant for symbolic links.
+ pub const S_IFLNK: u16 = bindings::S_IFLNK as u16;
+
+ /// File type constant for regular files.
+ pub const S_IFREG: u16 = bindings::S_IFREG as u16;
+
+ /// File type constant for sockets.
+ pub const S_IFSOCK: u16 = bindings::S_IFSOCK as u16;
+}
+
/// Maximum size of an inode.
pub const MAX_LFS_FILESIZE: Offset = bindings::MAX_LFS_FILESIZE;
--
2.34.1
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