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author | Konstantin Belousov <kib@FreeBSD.org> | 2021-02-01 10:43:16 +0000 |
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committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-02-12 01:02:22 +0000 |
commit | adf28ab45670329459aed8afeec2dbe91c9b3713 (patch) | |
tree | b32a346199eafede55c08d27c1e7b90255d57564 | |
parent | 26af9f72f7cb162abeced8b7e444800b601e5017 (diff) | |
download | src-adf28ab45670329459aed8afeec2dbe91c9b3713.tar.gz src-adf28ab45670329459aed8afeec2dbe91c9b3713.zip |
fifo: minor comment and assert improvements.
In particular, replace a note that reload through vget() is obsoleted,
with explanation why this code is required.
Reviewed by: chs, mckusick
Tested by: pho
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
-rw-r--r-- | sys/kern/vfs_syscalls.c | 3 | ||||
-rw-r--r-- | sys/ufs/ufs/ufs_vnops.c | 7 |
2 files changed, 6 insertions, 4 deletions
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c index aba3d62936bb..a51d693446e3 100644 --- a/sys/kern/vfs_syscalls.c +++ b/sys/kern/vfs_syscalls.c @@ -1183,7 +1183,8 @@ kern_openat(struct thread *td, int fd, const char *path, enum uio_seg pathseg, * vnode operations here. */ if (fp->f_ops == &badfileops) { - KASSERT(vp->v_type != VFIFO, ("Unexpected fifo.")); + KASSERT(vp->v_type != VFIFO, + ("Unexpected fifo fp %p vp %p", fp, vp)); finit_vnode(fp, flags, NULL, &vnops); } diff --git a/sys/ufs/ufs/ufs_vnops.c b/sys/ufs/ufs/ufs_vnops.c index e6a78c3655cc..301c583291d1 100644 --- a/sys/ufs/ufs/ufs_vnops.c +++ b/sys/ufs/ufs/ufs_vnops.c @@ -252,9 +252,10 @@ ufs_mknod(ap) DIP_SET(ip, i_rdev, vap->va_rdev); } /* - * Remove inode, then reload it through VFS_VGET so it is - * checked to see if it is an alias of an existing entry in - * the inode cache. XXX I don't believe this is necessary now. + * Remove inode, then reload it through VFS_VGET(). This is + * needed to do further inode initialization, for instance + * fifo, which was too early for VFS_VGET() done as part of + * UFS_VALLOC(). */ (*vpp)->v_type = VNON; ino = ip->i_number; /* Save this before vgone() invalidates ip. */ |