Make ZFS filesystem id persistent across different machines
[zfs.git] / module / zfs / vdev_raidz.c
index ef20542..21c6e03 100644 (file)
@@ -456,7 +456,7 @@ vdev_raidz_map_alloc(zio_t *zio, uint64_t unit_shift, uint64_t dcols,
 
        ASSERT3U(acols, <=, scols);
 
-       rm = kmem_alloc(offsetof(raidz_map_t, rm_col[scols]), KM_SLEEP);
+       rm = kmem_alloc(offsetof(raidz_map_t, rm_col[scols]), KM_PUSHPAGE);
 
        rm->rm_cols = acols;
        rm->rm_scols = scols;
@@ -1196,7 +1196,7 @@ vdev_raidz_matrix_reconstruct(raidz_map_t *rm, int n, int nmissing,
        size_t psize;
 
        psize = sizeof (invlog[0][0]) * n * nmissing;
-       p = kmem_alloc(psize, KM_SLEEP);
+       p = kmem_alloc(psize, KM_PUSHPAGE);
 
        for (pp = p, i = 0; i < nmissing; i++) {
                invlog[i] = pp;
@@ -1313,7 +1313,7 @@ vdev_raidz_reconstruct_general(raidz_map_t *rm, int *tgts, int ntgts)
 
        psize = (sizeof (rows[0][0]) + sizeof (invrows[0][0])) *
            nmissing_rows * n + sizeof (used[0]) * n;
-       p = kmem_alloc(psize, KM_SLEEP);
+       p = kmem_alloc(psize, KM_PUSHPAGE);
 
        for (pp = p, i = 0; i < nmissing_rows; i++) {
                rows[i] = pp;
@@ -1719,7 +1719,7 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
        void *orig[VDEV_RAIDZ_MAXPARITY];
        int tstore[VDEV_RAIDZ_MAXPARITY + 2];
        int *tgts = &tstore[1];
-       int current, next, i, c, n;
+       int curr, next, i, c, n;
        int code, ret = 0;
 
        ASSERT(total_errors < rm->rm_firstdatacol);
@@ -1767,12 +1767,12 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
 
                orig[n - 1] = zio_buf_alloc(rm->rm_col[0].rc_size);
 
-               current = 0;
-               next = tgts[current];
+               curr = 0;
+               next = tgts[curr];
 
-               while (current != n) {
-                       tgts[current] = next;
-                       current = 0;
+               while (curr != n) {
+                       tgts[curr] = next;
+                       curr = 0;
 
                        /*
                         * Save off the original data that we're going to
@@ -1820,34 +1820,34 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
 
                        do {
                                /*
-                                * Find the next valid column after the current
+                                * Find the next valid column after the curr
                                 * position..
                                 */
-                               for (next = tgts[current] + 1;
+                               for (next = tgts[curr] + 1;
                                    next < rm->rm_cols &&
                                    rm->rm_col[next].rc_error != 0; next++)
                                        continue;
 
-                               ASSERT(next <= tgts[current + 1]);
+                               ASSERT(next <= tgts[curr + 1]);
 
                                /*
                                 * If that spot is available, we're done here.
                                 */
-                               if (next != tgts[current + 1])
+                               if (next != tgts[curr + 1])
                                        break;
 
                                /*
                                 * Otherwise, find the next valid column after
                                 * the previous position.
                                 */
-                               for (c = tgts[current - 1] + 1;
+                               for (c = tgts[curr - 1] + 1;
                                    rm->rm_col[c].rc_error != 0; c++)
                                        continue;
 
-                               tgts[current] = c;
-                               current++;
+                               tgts[curr] = c;
+                               curr++;
 
-                       } while (current != n);
+                       } while (curr != n);
                }
        }
        n--;