diff options
Diffstat (limited to 'module/zfs/vdev_raidz.c')
| -rw-r--r-- | module/zfs/vdev_raidz.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/module/zfs/vdev_raidz.c b/module/zfs/vdev_raidz.c index 327b18671..f63ccaa94 100644 --- a/module/zfs/vdev_raidz.c +++ b/module/zfs/vdev_raidz.c @@ -98,7 +98,7 @@ * R = 4^n-1 * D_0 + 4^n-2 * D_1 + ... + 4^1 * D_n-2 + 4^0 * D_n-1 * = ((...((D_0) * 4 + D_1) * 4 + ...) * 4 + D_n-2) * 4 + D_n-1 * - * We chose 1, 2, and 4 as our generators because 1 corresponds to the trival + * We chose 1, 2, and 4 as our generators because 1 corresponds to the trivial * XOR operation, and 2 and 4 can be computed quickly and generate linearly- * independent coefficients. (There are no additional coefficients that have * this property which is why the uncorrected Plank method breaks down.) @@ -447,7 +447,7 @@ vdev_raidz_map_alloc(zio_t *zio, uint64_t ashift, uint64_t dcols, /* * If all data stored spans all columns, there's a danger that parity * will always be on the same device and, since parity isn't read - * during normal operation, that that device's I/O bandwidth won't be + * during normal operation, that device's I/O bandwidth won't be * used effectively. We therefore switch the parity every 1MB. * * ... at least that was, ostensibly, the theory. As a practical @@ -2336,7 +2336,7 @@ vdev_raidz_state_change(vdev_t *vd, int faulted, int degraded) /* * Determine if any portion of the provided block resides on a child vdev * with a dirty DTL and therefore needs to be resilvered. The function - * assumes that at least one DTL is dirty which imples that full stripe + * assumes that at least one DTL is dirty which implies that full stripe * width blocks must be resilvered. */ static boolean_t |