The branch main has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=86db734ae292fee58532f09b17b50438f6889cc8
commit 86db734ae292fee58532f09b17b50438f6889cc8
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2025-04-02 20:43:53 +0000
Commit: Konstantin Belousov <k...@freebsd.org>
CommitDate: 2025-04-03 14:45:05 +0000
stat(2): add st_bsdflags field
Reviewed by: markj, rmacklem
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D49651
---
sys/compat/freebsd32/freebsd32.h | 2 +-
sys/compat/freebsd32/freebsd32_misc.c | 2 +-
sys/kern/kern_descrip.c | 1 +
sys/kern/vfs_default.c | 2 ++
sys/kern/vfs_subr.c | 1 +
sys/sys/stat.h | 5 ++++-
sys/sys/vnode.h | 4 ++--
7 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/sys/compat/freebsd32/freebsd32.h b/sys/compat/freebsd32/freebsd32.h
index 3b45d291c70a..9d7a99535288 100644
--- a/sys/compat/freebsd32/freebsd32.h
+++ b/sys/compat/freebsd32/freebsd32.h
@@ -214,7 +214,7 @@ struct stat32 {
ino_t st_ino;
nlink_t st_nlink;
mode_t st_mode;
- uint16_t st_padding0;
+ uint16_t st_bsdflags;
uid_t st_uid;
gid_t st_gid;
uint32_t st_padding1;
diff --git a/sys/compat/freebsd32/freebsd32_misc.c
b/sys/compat/freebsd32/freebsd32_misc.c
index e10f5782c10f..3efc93969419 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -2309,8 +2309,8 @@ copy_stat(struct stat *in, struct stat32 *out)
CP(*in, *out, st_flags);
CP(*in, *out, st_gen);
CP(*in, *out, st_filerev);
+ CP(*in, *out, st_bsdflags);
TS_CP(*in, *out, st_birthtim);
- out->st_padding0 = 0;
out->st_padding1 = 0;
#ifdef __STAT32_TIME_T_EXT
out->st_atim_ext = 0;
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 9d81c30df328..f007b22f90ec 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -1618,6 +1618,7 @@ kern_fstat(struct thread *td, int fd, struct stat *sbp)
AUDIT_ARG_FILE(td->td_proc, fp);
sbp->st_filerev = 0;
+ sbp->st_bsdflags = 0;
error = fo_stat(fp, sbp, td->td_ucred);
fdrop(fp, td);
#ifdef __STAT_TIME_T_EXT
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
index 9f150570945b..c76fc9f9dc59 100644
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -1513,6 +1513,7 @@ vop_stdstat(struct vop_stat_args *a)
vap->va_gen = 0;
vap->va_rdev = NODEV;
vap->va_filerev = 0;
+ vap->va_bsdflags = 0;
error = VOP_GETATTR(vp, vap, a->a_active_cred);
if (error)
@@ -1590,6 +1591,7 @@ vop_stdstat(struct vop_stat_args *a)
sb->st_blocks = vap->va_bytes / S_BLKSIZE;
sb->st_gen = vap->va_gen;
sb->st_filerev = vap->va_filerev;
+ sb->st_bsdflags = vap->va_bsdflags;
out:
return (vop_stat_helper_post(a, error));
}
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index c8ccbc18a7fe..fb624f751402 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -1202,6 +1202,7 @@ vattr_null(struct vattr *vap)
vap->va_gen = VNOVAL;
vap->va_vaflags = 0;
vap->va_filerev = VNOVAL;
+ vap->va_bsdflags = 0;
}
/*
diff --git a/sys/sys/stat.h b/sys/sys/stat.h
index 15b7ec99bdd9..6aa536732efd 100644
--- a/sys/sys/stat.h
+++ b/sys/sys/stat.h
@@ -159,7 +159,7 @@ struct stat {
ino_t st_ino; /* inode's number */
nlink_t st_nlink; /* number of hard links */
mode_t st_mode; /* inode protection mode */
- __int16_t st_padding0;
+ __int16_t st_bsdflags; /* misc system flags */
uid_t st_uid; /* user ID of the file's owner */
gid_t st_gid; /* group ID of the file's group */
__int32_t st_padding1;
@@ -340,6 +340,9 @@ struct nstat {
#define SF_NOUNLINK 0x00100000 /* file may not be removed or
renamed */
#define SF_SNAPSHOT 0x00200000 /* snapshot inode */
+/* st_bsdflags */
+#define SFBSD_NAMEDATTR 0x0001 /* file is named attribute or
dir */
+
#ifdef _KERNEL
/*
* Shorthand abbreviations of above.
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 8b4ac2031cf2..a2706e6e6b88 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -283,7 +283,7 @@ _Static_assert(sizeof(struct vnode) <= 448, "vnode size
crosses 448 bytes");
struct vattr {
__enum_uint8(vtype) va_type; /* vnode type (for create) */
u_short va_mode; /* files access mode and type */
- u_short va_padding0;
+ uint16_t va_bsdflags; /* same as st_bsdflags from stat(2) */
uid_t va_uid; /* owner user id */
gid_t va_gid; /* owner group id */
nlink_t va_nlink; /* number of references to file */
@@ -988,10 +988,10 @@ void vop_rename_fail(struct vop_rename_args *ap);
AUDIT_ARG_VNODE1(ap->a_vp);
\
_error = mac_vnode_check_stat(_ap->a_active_cred, _ap->a_file_cred,
_ap->a_vp);\
if (__predict_true(_error == 0)) {
\
- ap->a_sb->st_padding0 = 0;
\
ap->a_sb->st_padding1 = 0;
\
bzero(_ap->a_sb->st_spare, sizeof(_ap->a_sb->st_spare));
\
ap->a_sb->st_filerev = 0;
\
+ ap->a_sb->st_bsdflags = 0;
\
}
\
_error;
\
})
