The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=08a1dd9ad11090df27c4271d7205fb05b8ff62a9
commit 08a1dd9ad11090df27c4271d7205fb05b8ff62a9 Author: Konstantin Belousov <[email protected]> AuthorDate: 2023-07-11 04:58:06 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2023-07-20 12:20:09 +0000 Revert "VFS: Remove VV_READLINK flag" and "fdescfs: improve linrdlnk mount option" (cherry picked from commit 9c3bfe2ad07170cd7d3645a7c24f4d80a509c2b7) --- sys/fs/fdescfs/fdesc_vnops.c | 3 +-- sys/kern/vfs_subr.c | 4 +++- sys/kern/vfs_syscalls.c | 2 +- sys/sys/vnode.h | 2 +- 4 files changed, 6 insertions(+), 5 deletions(-) diff --git a/sys/fs/fdescfs/fdesc_vnops.c b/sys/fs/fdescfs/fdesc_vnops.c index b2ae6964551e..522009550986 100644 --- a/sys/fs/fdescfs/fdesc_vnops.c +++ b/sys/fs/fdescfs/fdesc_vnops.c @@ -469,8 +469,7 @@ fdesc_getattr(struct vop_getattr_args *ap) break; case Fdesc: - vap->va_type = (VFSTOFDESC(vp->v_mount)->flags & - FMNT_LINRDLNKF) == 0 ? VCHR : VLNK; + vap->va_type = (vp->v_vflag & VV_READLINK) == 0 ? VCHR : VLNK; vap->va_nlink = 1; vap->va_size = 0; vap->va_rdev = makedev(0, vap->va_fileid); diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index dd742277a98f..21061984bcc3 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -4263,9 +4263,11 @@ vn_printf(struct vnode *vp, const char *fmt, ...) strlcat(buf, "|VV_MD", sizeof(buf)); if (vp->v_vflag & VV_FORCEINSMQ) strlcat(buf, "|VV_FORCEINSMQ", sizeof(buf)); + if (vp->v_vflag & VV_READLINK) + strlcat(buf, "|VV_READLINK", sizeof(buf)); flags = vp->v_vflag & ~(VV_ROOT | VV_ISTTY | VV_NOSYNC | VV_ETERNALDEV | VV_CACHEDLABEL | VV_VMSIZEVNLOCK | VV_COPYONWRITE | VV_SYSTEM | - VV_PROCDEP | VV_NOKNOTE | VV_DELETED | VV_MD | VV_FORCEINSMQ); + VV_PROCDEP | VV_NOKNOTE | VV_DELETED | VV_MD | VV_FORCEINSMQ | VV_READLINK); if (flags != 0) { snprintf(buf2, sizeof(buf2), "|VV(0x%lx)", flags); strlcat(buf, buf2, sizeof(buf)); diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c index b7cdac8540da..7f7836450811 100644 --- a/sys/kern/vfs_syscalls.c +++ b/sys/kern/vfs_syscalls.c @@ -2660,7 +2660,7 @@ kern_readlink_vp(struct vnode *vp, char *buf, enum uio_seg bufseg, size_t count, if (error != 0) return (error); #endif - if (vp->v_type != VLNK) + if (vp->v_type != VLNK && (vp->v_vflag & VV_READLINK) == 0) return (EINVAL); aiov.iov_base = buf; diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h index e79bd1c9ddba..fdf3b8f0e5fd 100644 --- a/sys/sys/vnode.h +++ b/sys/sys/vnode.h @@ -271,7 +271,7 @@ struct xvnode { #define VV_DELETED 0x0400 /* should be removed */ #define VV_MD 0x0800 /* vnode backs the md device */ #define VV_FORCEINSMQ 0x1000 /* force the insmntque to succeed */ -#define VV_UNUSED01 0x2000 /* was: fdescfs linux vnode */ +#define VV_READLINK 0x2000 /* fdescfs linux vnode */ #define VV_UNREF 0x4000 /* vunref, do not drop lock in inactive() */ #define VV_UNLINKED 0x8000 /* unlinked but stil open directory */
