diff mbox series

[3/4] btrfs-progs: convert: refactor __btrfs_record_file_extent to add a prealloc flag

Message ID c4b3a3a5192fe56f7b2e1d1ec91046ec27eb1a02.1714722726.git.anand.jain@oracle.com (mailing list archive)
State New
Headers show
Series btrfs-progs: add support ext4 unwritten file extent | expand

Commit Message

Anand Jain May 3, 2024, 9:08 a.m. UTC 
This preparatory patch adds an argument '%prealloc' to the function
__btrfs_record_file_extent(), to be used in the following patches.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 common/extent-tree-utils.c | 11 +++++++----
 common/extent-tree-utils.h |  2 +-
 convert/main.c             |  9 +++++----
 convert/source-fs.c        |  5 +++--
 convert/source-reiserfs.c  |  2 +-
 mkfs/rootdir.c             |  3 ++-
 6 files changed, 19 insertions(+), 13 deletions(-)

Comments

David Sterba May 3, 2024, 11:50 a.m. UTC | #1 
On Fri, May 03, 2024 at 05:08:54PM +0800, Anand Jain wrote:
> This preparatory patch adds an argument '%prealloc' to the function
> __btrfs_record_file_extent(), to be used in the following patches.
> 
> Signed-off-by: Anand Jain <anand.jain@oracle.com>
> ---
>  common/extent-tree-utils.c | 11 +++++++----
>  common/extent-tree-utils.h |  2 +-
>  convert/main.c             |  9 +++++----
>  convert/source-fs.c        |  5 +++--
>  convert/source-reiserfs.c  |  2 +-
>  mkfs/rootdir.c             |  3 ++-
>  6 files changed, 19 insertions(+), 13 deletions(-)
> 
> diff --git a/common/extent-tree-utils.c b/common/extent-tree-utils.c
> index 34c7e5095160..2ccac6b44cea 100644
> --- a/common/extent-tree-utils.c
> +++ b/common/extent-tree-utils.c
> @@ -122,7 +122,7 @@ static int __btrfs_record_file_extent(struct btrfs_trans_handle *trans,
>  				      struct btrfs_root *root, u64 objectid,
>  				      struct btrfs_inode_item *inode,
>  				      u64 file_pos, u64 disk_bytenr,
> -				      u64 *ret_num_bytes)
> +				      u64 *ret_num_bytes, bool prealloc)
>  {
>  	int ret;
>  	struct btrfs_fs_info *info = root->fs_info;
> @@ -229,7 +229,10 @@ static int __btrfs_record_file_extent(struct btrfs_trans_handle *trans,
>  	leaf = path->nodes[0];
>  	fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item);
>  	btrfs_set_file_extent_generation(leaf, fi, trans->transid);
> -	btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
> +	if (prealloc)
> +		btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_PREALLOC);
> +	else
> +		btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);

The bool parameter makes it less clear what it means in all the callers,
as it is supposed to select the type of extent you could pass the
BTRFS_FILE_ExTENT_ constant directly.
Anand Jain May 3, 2024, 1:10 p.m. UTC | #2 
On 5/3/24 19:50, David Sterba wrote:
> On Fri, May 03, 2024 at 05:08:54PM +0800, Anand Jain wrote:
>> This preparatory patch adds an argument '%prealloc' to the function
>> __btrfs_record_file_extent(), to be used in the following patches.
>>
>> Signed-off-by: Anand Jain <anand.jain@oracle.com>
>> ---
>>   common/extent-tree-utils.c | 11 +++++++----
>>   common/extent-tree-utils.h |  2 +-
>>   convert/main.c             |  9 +++++----
>>   convert/source-fs.c        |  5 +++--
>>   convert/source-reiserfs.c  |  2 +-
>>   mkfs/rootdir.c             |  3 ++-
>>   6 files changed, 19 insertions(+), 13 deletions(-)
>>
>> diff --git a/common/extent-tree-utils.c b/common/extent-tree-utils.c
>> index 34c7e5095160..2ccac6b44cea 100644
>> --- a/common/extent-tree-utils.c
>> +++ b/common/extent-tree-utils.c
>> @@ -122,7 +122,7 @@ static int __btrfs_record_file_extent(struct btrfs_trans_handle *trans,
>>   				      struct btrfs_root *root, u64 objectid,
>>   				      struct btrfs_inode_item *inode,
>>   				      u64 file_pos, u64 disk_bytenr,
>> -				      u64 *ret_num_bytes)
>> +				      u64 *ret_num_bytes, bool prealloc)
>>   {
>>   	int ret;
>>   	struct btrfs_fs_info *info = root->fs_info;
>> @@ -229,7 +229,10 @@ static int __btrfs_record_file_extent(struct btrfs_trans_handle *trans,
>>   	leaf = path->nodes[0];
>>   	fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item);
>>   	btrfs_set_file_extent_generation(leaf, fi, trans->transid);
>> -	btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
>> +	if (prealloc)
>> +		btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_PREALLOC);
>> +	else
>> +		btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
> 
> The bool parameter makes it less clear what it means in all the callers,
> as it is supposed to select the type of extent you could pass the
> BTRFS_FILE_ExTENT_ constant directly.


oh. ok. It can be done.

Thx, Anand
diff mbox series

Patch

diff --git a/common/extent-tree-utils.c b/common/extent-tree-utils.c
index 34c7e5095160..2ccac6b44cea 100644
--- a/common/extent-tree-utils.c
+++ b/common/extent-tree-utils.c
@@ -122,7 +122,7 @@  static int __btrfs_record_file_extent(struct btrfs_trans_handle *trans,
 				      struct btrfs_root *root, u64 objectid,
 				      struct btrfs_inode_item *inode,
 				      u64 file_pos, u64 disk_bytenr,
-				      u64 *ret_num_bytes)
+				      u64 *ret_num_bytes, bool prealloc)
 {
 	int ret;
 	struct btrfs_fs_info *info = root->fs_info;
@@ -229,7 +229,10 @@  static int __btrfs_record_file_extent(struct btrfs_trans_handle *trans,
 	leaf = path->nodes[0];
 	fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item);
 	btrfs_set_file_extent_generation(leaf, fi, trans->transid);
-	btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
+	if (prealloc)
+		btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_PREALLOC);
+	else
+		btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
 	btrfs_set_file_extent_disk_bytenr(leaf, fi, extent_bytenr);
 	btrfs_set_file_extent_disk_num_bytes(leaf, fi, extent_num_bytes);
 	btrfs_set_file_extent_offset(leaf, fi, extent_offset);
@@ -265,7 +268,7 @@  int btrfs_record_file_extent(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root, u64 objectid,
 			     struct btrfs_inode_item *inode,
 			     u64 file_pos, u64 disk_bytenr,
-			     u64 num_bytes)
+			     u64 num_bytes, bool prealloc)
 {
 	u64 cur_disk_bytenr = disk_bytenr;
 	u64 cur_file_pos = file_pos;
@@ -276,7 +279,7 @@  int btrfs_record_file_extent(struct btrfs_trans_handle *trans,
 		ret = __btrfs_record_file_extent(trans, root, objectid,
 						 inode, cur_file_pos,
 						 cur_disk_bytenr,
-						 &cur_num_bytes);
+						 &cur_num_bytes, prealloc);
 		if (ret < 0)
 			break;
 		cur_disk_bytenr += cur_num_bytes;
diff --git a/common/extent-tree-utils.h b/common/extent-tree-utils.h
index f03d9c438375..7abd0337ea0b 100644
--- a/common/extent-tree-utils.h
+++ b/common/extent-tree-utils.h
@@ -31,6 +31,6 @@  int btrfs_record_file_extent(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root, u64 objectid,
 			     struct btrfs_inode_item *inode,
 			     u64 file_pos, u64 disk_bytenr,
-			     u64 num_bytes);
+			     u64 num_bytes, bool prealloc);
 
 #endif
diff --git a/convert/main.c b/convert/main.c
index f18fab4a236c..d67c4e8eac25 100644
--- a/convert/main.c
+++ b/convert/main.c
@@ -337,7 +337,7 @@  static int create_image_file_range(struct btrfs_trans_handle *trans,
 		return -EINVAL;
 	}
 	ret = btrfs_record_file_extent(trans, root, ino, inode, bytenr,
-				       disk_bytenr, len);
+				       disk_bytenr, len, false);
 	if (ret < 0)
 		return ret;
 
@@ -426,7 +426,7 @@  static int migrate_one_reserved_range(struct btrfs_trans_handle *trans,
 
 		/* Now handle extent item and file extent things */
 		ret = btrfs_record_file_extent(trans, root, ino, inode, cur_off,
-					       key.objectid, key.offset);
+					       key.objectid, key.offset, false);
 		if (ret < 0)
 			break;
 		/* Finally, insert csum items */
@@ -438,7 +438,7 @@  static int migrate_one_reserved_range(struct btrfs_trans_handle *trans,
 		hole_len = cur_off - hole_start;
 		if (hole_len) {
 			ret = btrfs_record_file_extent(trans, root, ino, inode,
-					hole_start, 0, hole_len);
+					hole_start, 0, hole_len, false);
 			if (ret < 0)
 				break;
 		}
@@ -455,7 +455,8 @@  static int migrate_one_reserved_range(struct btrfs_trans_handle *trans,
 	 */
 	if (range_end(range) - hole_start > 0)
 		ret = btrfs_record_file_extent(trans, root, ino, inode,
-				hole_start, 0, range_end(range) - hole_start);
+				hole_start, 0, range_end(range) - hole_start,
+				false);
 	return ret;
 }
 
diff --git a/convert/source-fs.c b/convert/source-fs.c
index 66561438866e..9039b0e66758 100644
--- a/convert/source-fs.c
+++ b/convert/source-fs.c
@@ -262,7 +262,7 @@  int record_file_blocks(struct blk_iterate_data *data,
 	if (old_disk_bytenr == 0)
 		return btrfs_record_file_extent(data->trans, root,
 				data->objectid, data->inode, file_pos, 0,
-				num_bytes);
+				num_bytes, false);
 
 	/*
 	 * Search real disk bytenr from convert root
@@ -316,7 +316,8 @@  int record_file_blocks(struct blk_iterate_data *data,
 			      old_disk_bytenr + num_bytes) - cur_off;
 		ret = btrfs_record_file_extent(data->trans, data->root,
 					data->objectid, data->inode, file_pos,
-					real_disk_bytenr, cur_len);
+					real_disk_bytenr, cur_len,
+					false);
 		if (ret < 0)
 			break;
 		cur_off += cur_len;
diff --git a/convert/source-reiserfs.c b/convert/source-reiserfs.c
index 3edc72ed08a5..c67ade9b4c90 100644
--- a/convert/source-reiserfs.c
+++ b/convert/source-reiserfs.c
@@ -365,7 +365,7 @@  static int convert_direct(struct btrfs_trans_handle *trans,
 		return ret;
 
 	return btrfs_record_file_extent(trans, root, objectid, inode, offset,
-					key.objectid, sectorsize);
+					key.objectid, sectorsize, false);
 }
 
 static int reiserfs_convert_tail(struct btrfs_trans_handle *trans,
diff --git a/mkfs/rootdir.c b/mkfs/rootdir.c
index 4ae9f435a7b7..cb6659319b7d 100644
--- a/mkfs/rootdir.c
+++ b/mkfs/rootdir.c
@@ -411,7 +411,8 @@  again:
 
 	if (bytes_read) {
 		ret = btrfs_record_file_extent(trans, root, objectid,
-				btrfs_inode, file_pos, first_block, cur_bytes);
+				btrfs_inode, file_pos, first_block, cur_bytes,
+				false);
 		if (ret)
 			goto end;