Differential D23037

vfs: eliminate v_tag from struct vnode
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Authored by mjg on Jan 5 2020, 4:58 AM.

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kib
jeff

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rS356432: vfs: eliminate v_tag from struct vnode

Summary

The only consumer uses it in a bogus manner, replace the use with an equivalent bogosity which does not require the field.

This also means getnewvnode takes the argument unnecessarily. I'll make a sweep to remove it later.

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rS FreeBSD src repository - subversion

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Event Timeline

mjg created this revision.Jan 5 2020, 4:58 AM

Herald added a subscriber: imp. · View Herald TranscriptJan 5 2020, 4:58 AM

Harbormaster completed remote builds in B28488: Diff 66368.Jan 5 2020, 4:58 AM

mjg edited the summary of this revision. (Show Details)Jan 5 2020, 5:01 AM

jeff accepted this revision.Jan 6 2020, 8:17 PM

This revision is now accepted and ready to land.Jan 6 2020, 8:17 PM

Closed by commit rS356432: vfs: eliminate v_tag from struct vnode (authored by mjg). · Explain WhyJan 7 2020, 4:29 AM

This revision was automatically updated to reflect the committed changes.

mjg added a commit: rS356432: vfs: eliminate v_tag from struct vnode.

kib added inline comments.Jan 7 2020, 1:18 PM

head/sys/security/mac_veriexec/mac_veriexec.c
754	What you can do is (struct vnode *)(vp->v_object->handle) for object != NULL && object->type == OBJT_VNODE. The only case that would be not handled by this expression is nullfs mount over tmpfs.

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Path

Size

head/

sys/

kern/

6 lines

security/

mac_veriexec/

31 lines

sys/

1 line

Diff 66431

head/sys/kern/vfs_subr.c

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head/sys/security/mac_veriexec/mac_veriexec.c

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head/sys/sys/vnode.h

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