btrfs: convert printk(KERN_* to use pr_* calls

This patch converts printk(KERN_* style messages to use the pr_* versions.

One side effect is that anything that was KERN_DEBUG is now automatically
a dynamic debug message.

Signed-off-by: Jeff Mahoney <[email protected]>
Signed-off-by: David Sterba <[email protected]>

Author: jeffmahoney

fs/btrfs/check-integrity.c

@@ -783,8 +783,7 @@ void __init btrfs_init_compress(void)
 		 */
 		workspace = btrfs_compress_op[i]->alloc_workspace();
 		if (IS_ERR(workspace)) {
-			printk(KERN_WARNING
-	"BTRFS: cannot preallocate compression workspace, will try later");
+			pr_warn("BTRFS: cannot preallocate compression workspace, will try later\n");
 		} else {
 			atomic_set(&btrfs_comp_ws[i].total_ws, 1);
 			btrfs_comp_ws[i].free_ws = 1;
@@ -854,8 +853,7 @@ static struct list_head *find_workspace(int type)
 					/* no burst */ 1);
 
 			if (__ratelimit(&_rs)) {
-				printk(KERN_WARNING
-			    "no compression workspaces, low memory, retrying");
+				pr_warn("no compression workspaces, low memory, retrying\n");
 			}
 		}
 		goto again;

fs/btrfs/compression.c

@@ -4791,7 +4791,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
 		for (i = slot; i < nritems; i++) {
 			u32 ioff;
 
-			item = btrfs_item_nr( i);
+			item = btrfs_item_nr(i);
 			ioff = btrfs_token_item_offset(leaf, item, &token);
 			btrfs_set_token_item_offset(leaf, item,
 						    ioff - total_data, &token);

fs/btrfs/ctree.c

@@ -1435,13 +1435,13 @@ static inline void btrfs_init_map_token (struct btrfs_map_token *token)
 #define cpu_to_le8(v) (v)
 #define __le8 u8
 
-#define read_eb_member(eb, ptr, type, member, result) (			\
+#define read_eb_member(eb, ptr, type, member, result) (\
 	read_extent_buffer(eb, (char *)(result),			\
 			   ((unsigned long)(ptr)) +			\
 			    offsetof(type, member),			\
 			   sizeof(((type *)0)->member)))
 
-#define write_eb_member(eb, ptr, type, member, result) (		\
+#define write_eb_member(eb, ptr, type, member, result) (\
 	write_extent_buffer(eb, (char *)(result),			\
 			   ((unsigned long)(ptr)) +			\
 			    offsetof(type, member),			\
@@ -3358,7 +3358,7 @@ do {									\
 	btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, ##args)
 #else
 #define btrfs_debug(fs_info, fmt, args...) \
-    no_printk(KERN_DEBUG fmt, ##args)
+	no_printk(KERN_DEBUG fmt, ##args)
 #define btrfs_debug_in_rcu(fs_info, fmt, args...) \
 	no_printk(KERN_DEBUG fmt, ##args)
 #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \

fs/btrfs/ctree.h

@@ -427,7 +427,7 @@ static int btrfs_check_super_csum(char *raw_disk_sb)
 	}
 
 	if (csum_type >= ARRAY_SIZE(btrfs_csum_sizes)) {
-		printk(KERN_ERR "BTRFS: unsupported checksum algorithm %u\n",
+		pr_err("BTRFS: unsupported checksum algorithm %u\n",
 				csum_type);
 		ret = 1;
 	}
@@ -4114,24 +4114,24 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
 	int ret = 0;
 
 	if (btrfs_super_magic(sb) != BTRFS_MAGIC) {
-		printk(KERN_ERR "BTRFS: no valid FS found\n");
+		pr_err("BTRFS: no valid FS found\n");
 		ret = -EINVAL;
 	}
 	if (btrfs_super_flags(sb) & ~BTRFS_SUPER_FLAG_SUPP)
-		printk(KERN_WARNING "BTRFS: unrecognized super flag: %llu\n",
+		pr_warn("BTRFS: unrecognized super flag: %llu\n",
 				btrfs_super_flags(sb) & ~BTRFS_SUPER_FLAG_SUPP);
 	if (btrfs_super_root_level(sb) >= BTRFS_MAX_LEVEL) {
-		printk(KERN_ERR "BTRFS: tree_root level too big: %d >= %d\n",
+		pr_err("BTRFS: tree_root level too big: %d >= %d\n",
 				btrfs_super_root_level(sb), BTRFS_MAX_LEVEL);
 		ret = -EINVAL;
 	}
 	if (btrfs_super_chunk_root_level(sb) >= BTRFS_MAX_LEVEL) {
-		printk(KERN_ERR "BTRFS: chunk_root level too big: %d >= %d\n",
+		pr_err("BTRFS: chunk_root level too big: %d >= %d\n",
 				btrfs_super_chunk_root_level(sb), BTRFS_MAX_LEVEL);
 		ret = -EINVAL;
 	}
 	if (btrfs_super_log_root_level(sb) >= BTRFS_MAX_LEVEL) {
-		printk(KERN_ERR "BTRFS: log_root level too big: %d >= %d\n",
+		pr_err("BTRFS: log_root level too big: %d >= %d\n",
 				btrfs_super_log_root_level(sb), BTRFS_MAX_LEVEL);
 		ret = -EINVAL;
 	}
@@ -4142,46 +4142,46 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
 	 */
 	if (!is_power_of_2(sectorsize) || sectorsize < 4096 ||
 	    sectorsize > BTRFS_MAX_METADATA_BLOCKSIZE) {
-		printk(KERN_ERR "BTRFS: invalid sectorsize %llu\n", sectorsize);
+		pr_err("BTRFS: invalid sectorsize %llu\n", sectorsize);
 		ret = -EINVAL;
 	}
 	/* Only PAGE SIZE is supported yet */
 	if (sectorsize != PAGE_SIZE) {
-		printk(KERN_ERR "BTRFS: sectorsize %llu not supported yet, only support %lu\n",
+		pr_err("BTRFS: sectorsize %llu not supported yet, only support %lu\n",
 				sectorsize, PAGE_SIZE);
 		ret = -EINVAL;
 	}
 	if (!is_power_of_2(nodesize) || nodesize < sectorsize ||
 	    nodesize > BTRFS_MAX_METADATA_BLOCKSIZE) {
-		printk(KERN_ERR "BTRFS: invalid nodesize %llu\n", nodesize);
+		pr_err("BTRFS: invalid nodesize %llu\n", nodesize);
 		ret = -EINVAL;
 	}
 	if (nodesize != le32_to_cpu(sb->__unused_leafsize)) {
-		printk(KERN_ERR "BTRFS: invalid leafsize %u, should be %llu\n",
+		pr_err("BTRFS: invalid leafsize %u, should be %llu\n",
 				le32_to_cpu(sb->__unused_leafsize),
 				nodesize);
 		ret = -EINVAL;
 	}
 
 	/* Root alignment check */
 	if (!IS_ALIGNED(btrfs_super_root(sb), sectorsize)) {
-		printk(KERN_WARNING "BTRFS: tree_root block unaligned: %llu\n",
+		pr_warn("BTRFS: tree_root block unaligned: %llu\n",
 				btrfs_super_root(sb));
 		ret = -EINVAL;
 	}
 	if (!IS_ALIGNED(btrfs_super_chunk_root(sb), sectorsize)) {
-		printk(KERN_WARNING "BTRFS: chunk_root block unaligned: %llu\n",
+		pr_warn("BTRFS: chunk_root block unaligned: %llu\n",
 				btrfs_super_chunk_root(sb));
 		ret = -EINVAL;
 	}
 	if (!IS_ALIGNED(btrfs_super_log_root(sb), sectorsize)) {
-		printk(KERN_WARNING "BTRFS: log_root block unaligned: %llu\n",
+		pr_warn("BTRFS: log_root block unaligned: %llu\n",
 				btrfs_super_log_root(sb));
 		ret = -EINVAL;
 	}
 
 	if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_UUID_SIZE) != 0) {
-		printk(KERN_ERR "BTRFS: dev_item UUID does not match fsid: %pU != %pU\n",
+		pr_err("BTRFS: dev_item UUID does not match fsid: %pU != %pU\n",
 				fs_info->fsid, sb->dev_item.fsid);
 		ret = -EINVAL;
 	}
@@ -4201,15 +4201,15 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
 		ret = -EINVAL;
 	}
 	if (btrfs_super_num_devices(sb) > (1UL << 31))
-		printk(KERN_WARNING "BTRFS: suspicious number of devices: %llu\n",
+		pr_warn("BTRFS: suspicious number of devices: %llu\n",
 				btrfs_super_num_devices(sb));
 	if (btrfs_super_num_devices(sb) == 0) {
-		printk(KERN_ERR "BTRFS: number of devices is 0\n");
+		pr_err("BTRFS: number of devices is 0\n");
 		ret = -EINVAL;
 	}
 
 	if (btrfs_super_bytenr(sb) != BTRFS_SUPER_INFO_OFFSET) {
-		printk(KERN_ERR "BTRFS: super offset mismatch %llu != %u\n",
+		pr_err("BTRFS: super offset mismatch %llu != %u\n",
 				btrfs_super_bytenr(sb), BTRFS_SUPER_INFO_OFFSET);
 		ret = -EINVAL;
 	}
@@ -4219,14 +4219,14 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
 	 * and one chunk
 	 */
 	if (btrfs_super_sys_array_size(sb) > BTRFS_SYSTEM_CHUNK_ARRAY_SIZE) {
-		printk(KERN_ERR "BTRFS: system chunk array too big %u > %u\n",
+		pr_err("BTRFS: system chunk array too big %u > %u\n",
 				btrfs_super_sys_array_size(sb),
 				BTRFS_SYSTEM_CHUNK_ARRAY_SIZE);
 		ret = -EINVAL;
 	}
 	if (btrfs_super_sys_array_size(sb) < sizeof(struct btrfs_disk_key)
 			+ sizeof(struct btrfs_chunk)) {
-		printk(KERN_ERR "BTRFS: system chunk array too small %u < %zu\n",
+		pr_err("BTRFS: system chunk array too small %u < %zu\n",
 				btrfs_super_sys_array_size(sb),
 				sizeof(struct btrfs_disk_key)
 				+ sizeof(struct btrfs_chunk));
@@ -4238,13 +4238,11 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
 	 * but it's still possible that it's the one that's wrong.
 	 */
 	if (btrfs_super_generation(sb) < btrfs_super_chunk_root_generation(sb))
-		printk(KERN_WARNING
-			"BTRFS: suspicious: generation < chunk_root_generation: %llu < %llu\n",
+		pr_warn("BTRFS: suspicious: generation < chunk_root_generation: %llu < %llu\n",
 			btrfs_super_generation(sb), btrfs_super_chunk_root_generation(sb));
 	if (btrfs_super_generation(sb) < btrfs_super_cache_generation(sb)
 	    && btrfs_super_cache_generation(sb) != (u64)-1)
-		printk(KERN_WARNING
-			"BTRFS: suspicious: generation < cache_generation: %llu < %llu\n",
+		pr_warn("BTRFS: suspicious: generation < cache_generation: %llu < %llu\n",
 			btrfs_super_generation(sb), btrfs_super_cache_generation(sb));
 
 	return ret;

fs/btrfs/disk-io.c

@@ -7914,12 +7914,12 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 	int index = 0;
 
 	spin_lock(&info->lock);
-	printk(KERN_INFO "BTRFS: space_info %llu has %llu free, is %sfull\n",
+	pr_info("BTRFS: space_info %llu has %llu free, is %sfull\n",
 	       info->flags,
 	       info->total_bytes - info->bytes_used - info->bytes_pinned -
 	       info->bytes_reserved - info->bytes_readonly -
 	       info->bytes_may_use, (info->full) ? "" : "not ");
-	printk(KERN_INFO "BTRFS: space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu\n",
+	pr_info("BTRFS: space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu\n",
 	       info->total_bytes, info->bytes_used, info->bytes_pinned,
 	       info->bytes_reserved, info->bytes_may_use,
 	       info->bytes_readonly);
@@ -7932,7 +7932,7 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 again:
 	list_for_each_entry(cache, &info->block_groups[index], list) {
 		spin_lock(&cache->lock);
-		printk(KERN_INFO "BTRFS: block group %llu has %llu bytes, %llu used %llu pinned %llu reserved %s\n",
+		pr_info("BTRFS: block group %llu has %llu bytes, %llu used %llu pinned %llu reserved %s\n",
 		       cache->key.objectid, cache->key.offset,
 		       btrfs_block_group_used(&cache->item), cache->pinned,
 		       cache->reserved, cache->ro ? "[readonly]" : "");

fs/btrfs/extent-tree.c

@@ -75,7 +75,7 @@ void btrfs_leak_debug_check(void)
 
 	while (!list_empty(&buffers)) {
 		eb = list_entry(buffers.next, struct extent_buffer, leak_list);
-		printk(KERN_ERR "BTRFS: buffer leak start %llu len %lu refs %d\n",
+		pr_err("BTRFS: buffer leak start %llu len %lu refs %d\n",
 		       eb->start, eb->len, atomic_read(&eb->refs));
 		list_del(&eb->leak_list);
 		kmem_cache_free(extent_buffer_cache, eb);
@@ -460,7 +460,7 @@ static int insert_state(struct extent_io_tree *tree,
 	if (node) {
 		struct extent_state *found;
 		found = rb_entry(node, struct extent_state, rb_node);
-		printk(KERN_ERR "BTRFS: found node %llu %llu on insert of %llu %llu\n",
+		pr_err("BTRFS: found node %llu %llu on insert of %llu %llu\n",
 		       found->start, found->end, start, end);
 		return -EEXIST;
 	}

fs/btrfs/extent_io.c

@@ -2346,7 +2346,7 @@ int __btrfs_add_free_space(struct btrfs_free_space_ctl *ctl,
 	spin_unlock(&ctl->tree_lock);
 
 	if (ret) {
-		printk(KERN_CRIT "BTRFS: unable to add free space :%d\n", ret);
+		pr_crit("BTRFS: unable to add free space :%d\n", ret);
 		ASSERT(ret != -EEXIST);
 	}
 

fs/btrfs/free-space-cache.c

@@ -141,7 +141,7 @@ static int lzo_compress_pages(struct list_head *ws,
 		ret = lzo1x_1_compress(data_in, in_len, workspace->cbuf,
 				       &out_len, workspace->mem);
 		if (ret != LZO_E_OK) {
-			printk(KERN_DEBUG "BTRFS: deflate in loop returned %d\n",
+			pr_debug("BTRFS: deflate in loop returned %d\n",
 			       ret);
 			ret = -EIO;
 			goto out;
@@ -356,7 +356,7 @@ static int lzo_decompress_biovec(struct list_head *ws,
 		if (need_unmap)
 			kunmap(pages_in[page_in_index - 1]);
 		if (ret != LZO_E_OK) {
-			printk(KERN_WARNING "BTRFS: decompress failed\n");
+			pr_warn("BTRFS: decompress failed\n");
 			ret = -EIO;
 			break;
 		}
@@ -402,7 +402,7 @@ static int lzo_decompress(struct list_head *ws, unsigned char *data_in,
 	out_len = PAGE_SIZE;
 	ret = lzo1x_decompress_safe(data_in, in_len, workspace->buf, &out_len);
 	if (ret != LZO_E_OK) {
-		printk(KERN_WARNING "BTRFS: decompress failed!\n");
+		pr_warn("BTRFS: decompress failed!\n");
 		ret = -EIO;
 		goto out;
 	}