Btrfs: convert printk to btrfs_ and fix BTRFS prefix

Convert all applicable cases of printk and pr_* to the btrfs_* macros.

Fix all uses of the BTRFS prefix.

Signed-off-by: Frank Holton <fholton@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 54 insertions, 52 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4a1871cf797b..0400a26fc8c5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -300,11 +300,11 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
                         memcpy(&found, result, csum_size);
 
                         read_extent_buffer(buf, &val, 0, csum_size);
-                        printk_ratelimited(KERN_INFO "btrfs: %s checksum verify "
-                                       "failed on %llu wanted %X found %X "
-                                       "level %d\n",
-                                       root->fs_info->sb->s_id, buf->start,
-                                       val, found, btrfs_header_level(buf));
+                        printk_ratelimited(KERN_INFO
+                                "BTRFS: %s checksum verify failed on %llu wanted %X found %X "
+                                "level %d\n",
+                                root->fs_info->sb->s_id, buf->start,
+                                val, found, btrfs_header_level(buf));
                         if (result != (char *)&inline_result)
                                 kfree(result);
                         return 1;
@@ -383,13 +383,14 @@ static int btrfs_check_super_csum(char *raw_disk_sb)
                         ret = 1;
 
                 if (ret && btrfs_super_generation(disk_sb) < 10) {
-                        printk(KERN_WARNING "btrfs: super block crcs don't match, older mkfs detected\n");
+                        printk(KERN_WARNING
+                                "BTRFS: super block crcs don't match, older mkfs detected\n");
                         ret = 0;
                 }
         }
 
         if (csum_type >= ARRAY_SIZE(btrfs_csum_sizes)) {
-                printk(KERN_ERR "btrfs: unsupported checksum algorithm %u\n",
+                printk(KERN_ERR "BTRFS: unsupported checksum algorithm %u\n",
                                 csum_type);
                 ret = 1;
         }
@@ -498,8 +499,8 @@ static int check_tree_block_fsid(struct btrfs_root *root,
 }
 
 #define CORRUPT(reason, eb, root, slot)                         \
-        printk(KERN_CRIT "btrfs: corrupt leaf, %s: block=%llu," \
-               "root=%llu, slot=%d\n", reason,                  \
+        btrfs_crit(root->fs_info, "corrupt leaf, %s: block=%llu,"       \
+                   "root=%llu, slot=%d", reason,                        \
                btrfs_header_bytenr(eb), root->objectid, slot)
 
 static noinline int check_leaf(struct btrfs_root *root,
@@ -596,21 +597,21 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
 
         found_start = btrfs_header_bytenr(eb);
         if (found_start != eb->start) {
-                printk_ratelimited(KERN_INFO "btrfs bad tree block start "
+                printk_ratelimited(KERN_INFO "BTRFS: bad tree block start "
                                "%llu %llu\n",
                                found_start, eb->start);
                 ret = -EIO;
                 goto err;
         }
         if (check_tree_block_fsid(root, eb)) {
-                printk_ratelimited(KERN_INFO "btrfs bad fsid on block %llu\n",
+                printk_ratelimited(KERN_INFO "BTRFS: bad fsid on block %llu\n",
                                eb->start);
                 ret = -EIO;
                 goto err;
         }
         found_level = btrfs_header_level(eb);
         if (found_level >= BTRFS_MAX_LEVEL) {
-                btrfs_info(root->fs_info, "bad tree block level %d\n",
+                btrfs_info(root->fs_info, "bad tree block level %d",
                            (int)btrfs_header_level(eb));
                 ret = -EIO;
                 goto err;
@@ -1004,8 +1005,9 @@ static void btree_invalidatepage(struct page *page, unsigned int offset,
         extent_invalidatepage(tree, page, offset);
         btree_releasepage(page, GFP_NOFS);
         if (PagePrivate(page)) {
-                printk(KERN_WARNING "btrfs warning page private not zero "
-                       "on page %llu\n", (unsigned long long)page_offset(page));
+                btrfs_warn(BTRFS_I(page->mapping->host)->root->fs_info,
+                           "page private not zero on page %llu",
+                           (unsigned long long)page_offset(page));
                 ClearPagePrivate(page);
                 set_page_private(page, 0);
                 page_cache_release(page);
@@ -2322,7 +2324,7 @@ int open_ctree(struct super_block *sb,
          * Pass the whole disk block of size BTRFS_SUPER_INFO_SIZE (4k).
          */
         if (btrfs_check_super_csum(bh->b_data)) {
-                printk(KERN_ERR "btrfs: superblock checksum mismatch\n");
+                printk(KERN_ERR "BTRFS: superblock checksum mismatch\n");
                 err = -EINVAL;
                 goto fail_alloc;
         }
@@ -2341,7 +2343,7 @@ int open_ctree(struct super_block *sb,
 
         ret = btrfs_check_super_valid(fs_info, sb->s_flags & MS_RDONLY);
         if (ret) {
-                printk(KERN_ERR "btrfs: superblock contains fatal errors\n");
+                printk(KERN_ERR "BTRFS: superblock contains fatal errors\n");
                 err = -EINVAL;
                 goto fail_alloc;
         }
@@ -2406,7 +2408,7 @@ int open_ctree(struct super_block *sb,
                 features |= BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO;
 
         if (features & BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA)
-                printk(KERN_ERR "btrfs: has skinny extents\n");
+                printk(KERN_ERR "BTRFS: has skinny extents\n");
 
         /*
          * flag our filesystem as having big metadata blocks if
@@ -2414,7 +2416,7 @@ int open_ctree(struct super_block *sb,
          */
         if (btrfs_super_leafsize(disk_super) > PAGE_CACHE_SIZE) {
                 if (!(features & BTRFS_FEATURE_INCOMPAT_BIG_METADATA))
-                        printk(KERN_INFO "btrfs flagging fs with big metadata feature\n");
+                        printk(KERN_INFO "BTRFS: flagging fs with big metadata feature\n");
                 features |= BTRFS_FEATURE_INCOMPAT_BIG_METADATA;
         }
 
@@ -2431,7 +2433,7 @@ int open_ctree(struct super_block *sb,
          */
         if ((features & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS) &&
             (sectorsize != leafsize)) {
-                printk(KERN_WARNING "btrfs: unequal leaf/node/sector sizes "
+                printk(KERN_WARNING "BTRFS: unequal leaf/node/sector sizes "
                                 "are not allowed for mixed block groups on %s\n",
                                 sb->s_id);
                 goto fail_alloc;
@@ -2568,12 +2570,12 @@ int open_ctree(struct super_block *sb,
         sb->s_blocksize_bits = blksize_bits(sectorsize);
 
         if (btrfs_super_magic(disk_super) != BTRFS_MAGIC) {
-                printk(KERN_INFO "btrfs: valid FS not found on %s\n", sb->s_id);
+                printk(KERN_INFO "BTRFS: valid FS not found on %s\n", sb->s_id);
                 goto fail_sb_buffer;
         }
 
         if (sectorsize != PAGE_SIZE) {
-                printk(KERN_WARNING "btrfs: Incompatible sector size(%lu) "
+                printk(KERN_WARNING "BTRFS: Incompatible sector size(%lu) "
                        "found on %s\n", (unsigned long)sectorsize, sb->s_id);
                 goto fail_sb_buffer;
         }
@@ -2582,7 +2584,7 @@ int open_ctree(struct super_block *sb,
         ret = btrfs_read_sys_array(tree_root);
         mutex_unlock(&fs_info->chunk_mutex);
         if (ret) {
-                printk(KERN_WARNING "btrfs: failed to read the system "
+                printk(KERN_WARNING "BTRFS: failed to read the system "
                        "array on %s\n", sb->s_id);
                 goto fail_sb_buffer;
         }
@@ -2599,7 +2601,7 @@ int open_ctree(struct super_block *sb,
                                            blocksize, generation);
         if (!chunk_root->node ||
             !test_bit(EXTENT_BUFFER_UPTODATE, &chunk_root->node->bflags)) {
-                printk(KERN_WARNING "btrfs: failed to read chunk root on %s\n",
+                printk(KERN_WARNING "BTRFS: failed to read chunk root on %s\n",
                        sb->s_id);
                 goto fail_tree_roots;
         }
@@ -2611,7 +2613,7 @@ int open_ctree(struct super_block *sb,
 
         ret = btrfs_read_chunk_tree(chunk_root);
         if (ret) {
-                printk(KERN_WARNING "btrfs: failed to read chunk tree on %s\n",
+                printk(KERN_WARNING "BTRFS: failed to read chunk tree on %s\n",
                        sb->s_id);
                 goto fail_tree_roots;
         }
@@ -2623,7 +2625,7 @@ int open_ctree(struct super_block *sb,
         btrfs_close_extra_devices(fs_info, fs_devices, 0);
 
         if (!fs_devices->latest_bdev) {
-                printk(KERN_CRIT "btrfs: failed to read devices on %s\n",
+                printk(KERN_CRIT "BTRFS: failed to read devices on %s\n",
                        sb->s_id);
                 goto fail_tree_roots;
         }
@@ -2638,7 +2640,7 @@ retry_root_backup:
                                           blocksize, generation);
         if (!tree_root->node ||
             !test_bit(EXTENT_BUFFER_UPTODATE, &tree_root->node->bflags)) {
-                printk(KERN_WARNING "btrfs: failed to read tree root on %s\n",
+                printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n",
                        sb->s_id);
 
                 goto recovery_tree_root;
@@ -2709,20 +2711,20 @@ retry_root_backup:
 
         ret = btrfs_recover_balance(fs_info);
         if (ret) {
-                printk(KERN_WARNING "btrfs: failed to recover balance\n");
+                printk(KERN_WARNING "BTRFS: failed to recover balance\n");
                 goto fail_block_groups;
         }
 
         ret = btrfs_init_dev_stats(fs_info);
         if (ret) {
-                printk(KERN_ERR "btrfs: failed to init dev_stats: %d\n",
+                printk(KERN_ERR "BTRFS: failed to init dev_stats: %d\n",
                        ret);
                 goto fail_block_groups;
         }
 
         ret = btrfs_init_dev_replace(fs_info);
         if (ret) {
-                pr_err("btrfs: failed to init dev_replace: %d\n", ret);
+                pr_err("BTRFS: failed to init dev_replace: %d\n", ret);
                 goto fail_block_groups;
         }
 
@@ -2730,19 +2732,19 @@ retry_root_backup:
 
         ret = btrfs_sysfs_add_one(fs_info);
         if (ret) {
-                pr_err("btrfs: failed to init sysfs interface: %d\n", ret);
+                pr_err("BTRFS: failed to init sysfs interface: %d\n", ret);
                 goto fail_block_groups;
         }
 
         ret = btrfs_init_space_info(fs_info);
         if (ret) {
-                printk(KERN_ERR "Failed to initial space info: %d\n", ret);
+                printk(KERN_ERR "BTRFS: Failed to initial space info: %d\n", ret);
                 goto fail_block_groups;
         }
 
         ret = btrfs_read_block_groups(extent_root);
         if (ret) {
-                printk(KERN_ERR "Failed to read block groups: %d\n", ret);
+                printk(KERN_ERR "BTRFS: Failed to read block groups: %d\n", ret);
                 goto fail_block_groups;
         }
         fs_info->num_tolerated_disk_barrier_failures =
@@ -2750,8 +2752,8 @@ retry_root_backup:
         if (fs_info->fs_devices->missing_devices >
              fs_info->num_tolerated_disk_barrier_failures &&
             !(sb->s_flags & MS_RDONLY)) {
-                printk(KERN_WARNING
-                       "Btrfs: too many missing devices, writeable mount is not allowed\n");
+                printk(KERN_WARNING "BTRFS: "
+                        "too many missing devices, writeable mount is not allowed\n");
                 goto fail_block_groups;
         }
 
@@ -2769,7 +2771,7 @@ retry_root_backup:
         if (!btrfs_test_opt(tree_root, SSD) &&
             !btrfs_test_opt(tree_root, NOSSD) &&
             !fs_info->fs_devices->rotating) {
-                printk(KERN_INFO "Btrfs detected SSD devices, enabling SSD "
+                printk(KERN_INFO "BTRFS: detected SSD devices, enabling SSD "
                        "mode\n");
                 btrfs_set_opt(fs_info->mount_opt, SSD);
         }
@@ -2782,7 +2784,7 @@ retry_root_backup:
                                     1 : 0,
                                     fs_info->check_integrity_print_mask);
                 if (ret)
-                        printk(KERN_WARNING "btrfs: failed to initialize"
+                        printk(KERN_WARNING "BTRFS: failed to initialize"
                                " integrity check module %s\n", sb->s_id);
         }
 #endif
@@ -2795,7 +2797,7 @@ retry_root_backup:
                 u64 bytenr = btrfs_super_log_root(disk_super);
 
                 if (fs_devices->rw_devices == 0) {
-                        printk(KERN_WARNING "Btrfs log replay required "
+                        printk(KERN_WARNING "BTRFS: log replay required "
                                "on RO media\n");
                         err = -EIO;
                         goto fail_qgroup;
@@ -2818,7 +2820,7 @@ retry_root_backup:
                                                       generation + 1);
                 if (!log_tree_root->node ||
                     !extent_buffer_uptodate(log_tree_root->node)) {
-                        printk(KERN_ERR "btrfs: failed to read log tree\n");
+                        printk(KERN_ERR "BTRFS: failed to read log tree\n");
                         free_extent_buffer(log_tree_root->node);
                         kfree(log_tree_root);
                         goto fail_trans_kthread;
@@ -2852,7 +2854,7 @@ retry_root_backup:
                 ret = btrfs_recover_relocation(tree_root);
                 if (ret < 0) {
                         printk(KERN_WARNING
-                               "btrfs: failed to recover relocation\n");
+                               "BTRFS: failed to recover relocation\n");
                         err = -EINVAL;
                         goto fail_qgroup;
                 }
@@ -2882,14 +2884,14 @@ retry_root_backup:
 
         ret = btrfs_resume_balance_async(fs_info);
         if (ret) {
-                printk(KERN_WARNING "btrfs: failed to resume balance\n");
+                printk(KERN_WARNING "BTRFS: failed to resume balance\n");
                 close_ctree(tree_root);
                 return ret;
         }
 
         ret = btrfs_resume_dev_replace_async(fs_info);
         if (ret) {
-                pr_warn("btrfs: failed to resume dev_replace\n");
+                pr_warn("BTRFS: failed to resume dev_replace\n");
                 close_ctree(tree_root);
                 return ret;
         }
@@ -2897,20 +2899,20 @@ retry_root_backup:
         btrfs_qgroup_rescan_resume(fs_info);
 
         if (create_uuid_tree) {
-                pr_info("btrfs: creating UUID tree\n");
+                pr_info("BTRFS: creating UUID tree\n");
                 ret = btrfs_create_uuid_tree(fs_info);
                 if (ret) {
-                        pr_warn("btrfs: failed to create the UUID tree %d\n",
+                        pr_warn("BTRFS: failed to create the UUID tree %d\n",
                                 ret);
                         close_ctree(tree_root);
                         return ret;
                 }
         } else if (check_uuid_tree ||
                    btrfs_test_opt(tree_root, RESCAN_UUID_TREE)) {
-                pr_info("btrfs: checking UUID tree\n");
+                pr_info("BTRFS: checking UUID tree\n");
                 ret = btrfs_check_uuid_tree(fs_info);
                 if (ret) {
-                        pr_warn("btrfs: failed to check the UUID tree %d\n",
+                        pr_warn("BTRFS: failed to check the UUID tree %d\n",
                                 ret);
                         close_ctree(tree_root);
                         return ret;
@@ -2991,7 +2993,7 @@ static void btrfs_end_buffer_write_sync(struct buffer_head *bh, int uptodate)
                 struct btrfs_device *device = (struct btrfs_device *)
                         bh->b_private;
 
-                printk_ratelimited_in_rcu(KERN_WARNING "lost page write due to "
+                printk_ratelimited_in_rcu(KERN_WARNING "BTRFS: lost page write due to "
                                           "I/O error on %s\n",
                                           rcu_str_deref(device->name));
                 /* note, we dont' set_buffer_write_io_error because we have
@@ -3110,7 +3112,7 @@ static int write_dev_supers(struct btrfs_device *device,
                         bh = __getblk(device->bdev, bytenr / 4096,
                                       BTRFS_SUPER_INFO_SIZE);
                         if (!bh) {
-                                printk(KERN_ERR "btrfs: couldn't get super "
+                                printk(KERN_ERR "BTRFS: couldn't get super "
                                        "buffer head for bytenr %Lu\n", bytenr);
                                 errors++;
                                 continue;
@@ -3177,7 +3179,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait)
                 wait_for_completion(&device->flush_wait);
 
                 if (bio_flagged(bio, BIO_EOPNOTSUPP)) {
-                        printk_in_rcu("btrfs: disabling barriers on dev %s\n",
+                        printk_in_rcu("BTRFS: disabling barriers on dev %s\n",
                                       rcu_str_deref(device->name));
                         device->nobarriers = 1;
                 } else if (!bio_flagged(bio, BIO_UPTODATE)) {
@@ -3398,7 +3400,7 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors)
                         total_errors++;
         }
         if (total_errors > max_errors) {
-                printk(KERN_ERR "btrfs: %d errors while writing supers\n",
+                btrfs_err(root->fs_info, "%d errors while writing supers",
                        total_errors);
                 mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
 
@@ -3554,7 +3556,7 @@ int close_ctree(struct btrfs_root *root)
         if (!(fs_info->sb->s_flags & MS_RDONLY)) {
                 ret = btrfs_commit_super(root);
                 if (ret)
-                        printk(KERN_ERR "btrfs: commit super ret %d\n", ret);
+                        btrfs_err(root->fs_info, "commit super ret %d", ret);
         }
 
         if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
@@ -3571,7 +3573,7 @@ int close_ctree(struct btrfs_root *root)
         btrfs_free_qgroup_config(root->fs_info);
 
         if (percpu_counter_sum(&fs_info->delalloc_bytes)) {
-                printk(KERN_INFO "btrfs: at unmount delalloc count %lld\n",
+                btrfs_info(root->fs_info, "at unmount delalloc count %lld",
                        percpu_counter_sum(&fs_info->delalloc_bytes));
         }
 
@@ -3798,7 +3800,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
         spin_lock(&delayed_refs->lock);
         if (delayed_refs->num_entries == 0) {
                 spin_unlock(&delayed_refs->lock);
-                printk(KERN_INFO "delayed_refs has NO entry\n");
+                btrfs_info(root->fs_info, "delayed_refs has NO entry");
                 return ret;
         }