vn_vmap_seekhole(): align running offset to the block boundary.
Otherwise we might miss the last iteration where EOF appears below unaligned noff. Reported and reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D19811
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=345955
@ -2167,7 +2167,8 @@ vn_bmap_seekhole(struct vnode *vp, u_long cmd, off_t *off, struct ucred *cred)
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goto unlock;
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}
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bsize = vp->v_mount->mnt_stat.f_iosize;
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for (bn = noff / bsize; noff < va.va_size; bn++, noff += bsize) {
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for (bn = noff / bsize; noff < va.va_size; bn++, noff += bsize -
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noff % bsize) {
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error = VOP_BMAP(vp, bn, NULL, &bnp, NULL, NULL);
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if (error == EOPNOTSUPP) {
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error = ENOTTY;
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