getblk(): do not require devvp vnodes to be locked
Reported and tested by: pho Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32761
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@ -3911,6 +3911,7 @@ getblkx(struct vnode *vp, daddr_t blkno, daddr_t dblkno, int size, int slpflag,
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CTR3(KTR_BUF, "getblk(%p, %ld, %d)", vp, (long)blkno, size);
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KASSERT((flags & (GB_UNMAPPED | GB_KVAALLOC)) != GB_KVAALLOC,
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("GB_KVAALLOC only makes sense with GB_UNMAPPED"));
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if (vp->v_type != VCHR)
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ASSERT_VOP_LOCKED(vp, "getblk");
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if (size > maxbcachebuf)
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panic("getblk: size(%d) > maxbcachebuf(%d)\n", size,
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