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Change i_gen in UFS to an unsigned type.

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Further simplify the i_gen calculation for older disks.
Having a zero here is not really a problem and this is more
similar to what is done in newfs_random().

Reported by:	Xin Li
MFC after:	4 weeks
This commit is contained in:
pfg 2013-07-01 14:49:23 +00:00
parent 4a24ccbeb9
commit b8949bad09
1 changed files with 1 additions and 1 deletions
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2
sys/ufs/ffs/ffs_vfsops.c
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@ -1791,7 +1791,7 @@ ffs_vgetf(mp, ino, flags, vpp, ffs_flags)
* already have one. This should only happen on old filesystems.
*/
if (ip->i_gen == 0) {
ip->i_gen = arc4random() + 1;
ip->i_gen = arc4random();
if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
ip->i_flag |= IN_MODIFIED;
DIP_SET(ip, i_gen, ip->i_gen);