Add NO_AUTOMOUNT AtFlags, STATX_DIOALIGN mask and reorder bitflag to follow numbering (#523)

* Add NO_AUTOMOUNT AtFlags and reorder bitflag to follow numbering

* Add STATX_DIOALIGN flag to StatxFlags

* Enable `NO_AUTOMOUNT` on Musl, Android, and Fuchsia too.

---------

Co-authored-by: Dan Gohman <[email protected]>

Author: ETKNeil

src/backend/libc/fs/types.rs

@@ -30,14 +30,22 @@ bitflags! {
     /// [`statat`]: crate::fs::statat
     #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
     pub struct AtFlags: c::c_int {
+        /// `AT_SYMLINK_NOFOLLOW`
+        const SYMLINK_NOFOLLOW = c::AT_SYMLINK_NOFOLLOW;
+
+        /// `AT_EACCESS`
+        #[cfg(not(any(target_os = "emscripten", target_os = "android")))]
+        const EACCESS = c::AT_EACCESS;
+
         /// `AT_REMOVEDIR`
         const REMOVEDIR = c::AT_REMOVEDIR;
 
         /// `AT_SYMLINK_FOLLOW`
         const SYMLINK_FOLLOW = c::AT_SYMLINK_FOLLOW;
 
-        /// `AT_SYMLINK_NOFOLLOW`
-        const SYMLINK_NOFOLLOW = c::AT_SYMLINK_NOFOLLOW;
+        /// `AT_NO_AUTOMOUNT`
+        #[cfg(any(linux_like, target_os = "fuchsia"))]
+        const NO_AUTOMOUNT = c::AT_NO_AUTOMOUNT;
 
         /// `AT_EMPTY_PATH`
         #[cfg(any(
@@ -51,10 +59,6 @@ bitflags! {
         #[cfg(target_os = "freebsd")]
         const RESOLVE_BENEATH = c::AT_RESOLVE_BENEATH;
 
-        /// `AT_EACCESS`
-        #[cfg(not(any(target_os = "emscripten", target_os = "android")))]
-        const EACCESS = c::AT_EACCESS;
-
         /// `AT_STATX_SYNC_AS_STAT`
         #[cfg(all(target_os = "linux", target_env = "gnu"))]
         const STATX_SYNC_AS_STAT = c::AT_STATX_SYNC_AS_STAT;
@@ -644,6 +648,9 @@ bitflags! {
         /// `STATX_MNT_ID` (since Linux 5.8)
         const MNT_ID = c::STATX_MNT_ID;
 
+        /// `STATX_DIOALIGN` (since Linux 6.1)
+        const DIOALIGN = c::STATX_DIOALIGN;
+
         /// `STATX_ALL`
         const ALL = c::STATX_ALL;
     }

src/backend/linux_raw/fs/types.rs

@@ -29,21 +29,24 @@ bitflags! {
     /// [`statat`]: crate::fs::statat
     #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
     pub struct AtFlags: c::c_uint {
+        /// `AT_SYMLINK_NOFOLLOW`
+        const SYMLINK_NOFOLLOW = linux_raw_sys::general::AT_SYMLINK_NOFOLLOW;
+
+        /// `AT_EACCESS`
+        const EACCESS = linux_raw_sys::general::AT_EACCESS;
+
         /// `AT_REMOVEDIR`
         const REMOVEDIR = linux_raw_sys::general::AT_REMOVEDIR;
 
         /// `AT_SYMLINK_FOLLOW`
         const SYMLINK_FOLLOW = linux_raw_sys::general::AT_SYMLINK_FOLLOW;
 
-        /// `AT_SYMLINK_NOFOLLOW`
-        const SYMLINK_NOFOLLOW = linux_raw_sys::general::AT_SYMLINK_NOFOLLOW;
+        /// `AT_NO_AUTOMOUNT`
+        const NO_AUTOMOUNT = linux_raw_sys::general::AT_NO_AUTOMOUNT;
 
         /// `AT_EMPTY_PATH`
         const EMPTY_PATH = linux_raw_sys::general::AT_EMPTY_PATH;
 
-        /// `AT_EACCESS`
-        const EACCESS = linux_raw_sys::general::AT_EACCESS;
-
         /// `AT_STATX_SYNC_AS_STAT`
         const STATX_SYNC_AS_STAT = linux_raw_sys::general::AT_STATX_SYNC_AS_STAT;
 
@@ -494,6 +497,9 @@ bitflags! {
         /// `STATX_MNT_ID` (since Linux 5.8)
         const MNT_ID = linux_raw_sys::general::STATX_MNT_ID;
 
+        /// `STATX_DIOALIGN` (since Linux 6.1)
+        const DIOALIGN = linux_raw_sys::general::STATX_DIOALIGN;
+
         /// `STATX_ALL`
         const ALL = linux_raw_sys::general::STATX_ALL;
     }