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vfs: add missing atomic conversion to writecount adjustment

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Fixes:	("vfs: lockless writecount adjustment in set/unset text")
This commit is contained in:
Mateusz Guzik 2021-05-14 17:41:39 +02:00
parent c904e20cc9
commit 852088f6af
1 changed files with 2 additions and 2 deletions
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4
sys/kern/vfs_default.c
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@ -1210,7 +1210,7 @@ vop_stdset_text(struct vop_set_text_args *ap)
vrefl(vp);
}
vp->v_writecount--;
atomic_subtract_int(&vp->v_writecount, 1);
error = 0;
}
VI_UNLOCK(vp);
@ -1247,7 +1247,7 @@ vop_stdunset_text(struct vop_unset_text_args *ap)
last = true;
vp->v_iflag &= ~VI_TEXT_REF;
}
vp->v_writecount++;
atomic_add_int(&vp->v_writecount, 1);
error = 0;
} else {
error = EINVAL;