The xfstest btrfs/014 which tests the balance operation caused that the
check_int module complained that known blocks changed their physical
location. Since this is not an error in this case, only print such
message if the verbose mode was enabled.

Reported-by: Wang Shilong <wangshilong1...@gmail.com>
Signed-off-by: Stefan Behrens <sbehr...@giantdisaster.de>
---
 fs/btrfs/check-integrity.c | 87 ++++++++++++++++++++++++++--------------------
 1 file changed, 49 insertions(+), 38 deletions(-)

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 65fc2e0bbc4a..65226d7c9fe0 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -1325,24 +1325,28 @@ static int btrfsic_create_link_to_next_block(
                l = NULL;
                next_block->generation = BTRFSIC_GENERATION_UNKNOWN;
        } else {
-               if (next_block->logical_bytenr != next_bytenr &&
-                   !(!next_block->is_metadata &&
-                     0 == next_block->logical_bytenr)) {
-                       printk(KERN_INFO
-                              "Referenced block @%llu (%s/%llu/%d)"
-                              " found in hash table, %c,"
-                              " bytenr mismatch (!= stored %llu).\n",
-                              next_bytenr, next_block_ctx->dev->name,
-                              next_block_ctx->dev_bytenr, *mirror_nump,
-                              btrfsic_get_block_type(state, next_block),
-                              next_block->logical_bytenr);
-               } else if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE)
-                       printk(KERN_INFO
-                              "Referenced block @%llu (%s/%llu/%d)"
-                              " found in hash table, %c.\n",
-                              next_bytenr, next_block_ctx->dev->name,
-                              next_block_ctx->dev_bytenr, *mirror_nump,
-                              btrfsic_get_block_type(state, next_block));
+               if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) {
+                       if (next_block->logical_bytenr != next_bytenr &&
+                           !(!next_block->is_metadata &&
+                             0 == next_block->logical_bytenr))
+                               printk(KERN_INFO
+                                      "Referenced block @%llu (%s/%llu/%d)"
+                                      " found in hash table, %c,"
+                                      " bytenr mismatch (!= stored %llu).\n",
+                                      next_bytenr, next_block_ctx->dev->name,
+                                      next_block_ctx->dev_bytenr, *mirror_nump,
+                                      btrfsic_get_block_type(state,
+                                                             next_block),
+                                      next_block->logical_bytenr);
+                       else
+                               printk(KERN_INFO
+                                      "Referenced block @%llu (%s/%llu/%d)"
+                                      " found in hash table, %c.\n",
+                                      next_bytenr, next_block_ctx->dev->name,
+                                      next_block_ctx->dev_bytenr, *mirror_nump,
+                                      btrfsic_get_block_type(state,
+                                                             next_block));
+               }
                next_block->logical_bytenr = next_bytenr;
 
                next_block->mirror_num = *mirror_nump;
@@ -1528,7 +1532,9 @@ static int btrfsic_handle_extent_data(
                                return -1;
                        }
                        if (!block_was_created) {
-                               if (next_block->logical_bytenr != next_bytenr &&
+                               if ((state->print_mask &
+                                    BTRFSIC_PRINT_MASK_VERBOSE) &&
+                                   next_block->logical_bytenr != next_bytenr &&
                                    !(!next_block->is_metadata &&
                                      0 == next_block->logical_bytenr)) {
                                        printk(KERN_INFO
@@ -1881,25 +1887,30 @@ again:
                                                               dev_state,
                                                               dev_bytenr);
                        }
-                       if (block->logical_bytenr != bytenr &&
-                           !(!block->is_metadata &&
-                             block->logical_bytenr == 0))
-                               printk(KERN_INFO
-                                      "Written block @%llu (%s/%llu/%d)"
-                                      " found in hash table, %c,"
-                                      " bytenr mismatch"
-                                      " (!= stored %llu).\n",
-                                      bytenr, dev_state->name, dev_bytenr,
-                                      block->mirror_num,
-                                      btrfsic_get_block_type(state, block),
-                                      block->logical_bytenr);
-                       else if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE)
-                               printk(KERN_INFO
-                                      "Written block @%llu (%s/%llu/%d)"
-                                      " found in hash table, %c.\n",
-                                      bytenr, dev_state->name, dev_bytenr,
-                                      block->mirror_num,
-                                      btrfsic_get_block_type(state, block));
+                       if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) {
+                               if (block->logical_bytenr != bytenr &&
+                                   !(!block->is_metadata &&
+                                     block->logical_bytenr == 0))
+                                       printk(KERN_INFO
+                                              "Written block @%llu 
(%s/%llu/%d)"
+                                              " found in hash table, %c,"
+                                              " bytenr mismatch"
+                                              " (!= stored %llu).\n",
+                                              bytenr, dev_state->name,
+                                              dev_bytenr,
+                                              block->mirror_num,
+                                              btrfsic_get_block_type(state,
+                                                                     block),
+                                              block->logical_bytenr);
+                               else
+                                       printk(KERN_INFO
+                                              "Written block @%llu 
(%s/%llu/%d)"
+                                              " found in hash table, %c.\n",
+                                              bytenr, dev_state->name,
+                                              dev_bytenr, block->mirror_num,
+                                              btrfsic_get_block_type(state,
+                                                                     block));
+                       }
                        block->logical_bytenr = bytenr;
                } else {
                        if (num_pages * PAGE_CACHE_SIZE <
-- 
2.1.1

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