ext4: passing block allocation information to ext4_es_insert_extent()

Just pass the block allocation flag to ext4_es_insert_extent() when we
replacing a current extent after an actually block allocation or extent
status conversion, this flag will be used by later changes.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20240813123452.2824659-6-yi.zhang@huaweicloud.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>

fs/ext4/extents.c

@@ -3113,7 +3113,7 @@ static void ext4_zeroout_es(struct inode *inode, struct ext4_extent *ex)
 		return;
 
 	ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock,
-			      EXTENT_STATUS_WRITTEN);
+			      EXTENT_STATUS_WRITTEN, 0);
 }
 
 /* FIXME!! we need to try to merge to left or right after zero-out  */
@@ -4097,7 +4097,8 @@ static ext4_lblk_t ext4_ext_determine_insert_hole(struct inode *inode,
 insert_hole:
 	/* Put just found gap into cache to speed up subsequent requests */
 	ext_debug(inode, " -> %u:%u\n", hole_start, len);
-	ext4_es_insert_extent(inode, hole_start, len, ~0, EXTENT_STATUS_HOLE);
+	ext4_es_insert_extent(inode, hole_start, len, ~0,
+			      EXTENT_STATUS_HOLE, 0);
 
 	/* Update hole_len to reflect hole size after lblk */
 	if (hole_start != lblk)

fs/ext4/extents_status.c

@@ -848,7 +848,7 @@ static int __es_insert_extent(struct inode *inode, struct extent_status *newes,
  */
 void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
 			   ext4_lblk_t len, ext4_fsblk_t pblk,
-			   unsigned int status)
+			   unsigned int status, int flags)
 {
 	struct extent_status newes;
 	ext4_lblk_t end = lblk + len - 1;
@@ -862,8 +862,8 @@ void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
 	if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
 		return;
 
-	es_debug("add [%u/%u) %llu %x to extent status tree of inode %lu\n",
-		 lblk, len, pblk, status, inode->i_ino);
+	es_debug("add [%u/%u) %llu %x %x to extent status tree of inode %lu\n",
+		 lblk, len, pblk, status, flags, inode->i_ino);
 
 	if (!len)
 		return;

fs/ext4/extents_status.h

@@ -129,7 +129,7 @@ extern void ext4_es_init_tree(struct ext4_es_tree *tree);
 
 extern void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
 				  ext4_lblk_t len, ext4_fsblk_t pblk,
-				  unsigned int status);
+				  unsigned int status, int flags);
 extern void ext4_es_cache_extent(struct inode *inode, ext4_lblk_t lblk,
 				 ext4_lblk_t len, ext4_fsblk_t pblk,
 				 unsigned int status);

fs/ext4/inode.c

@@ -478,7 +478,7 @@ static int ext4_map_query_blocks(handle_t *handle, struct inode *inode,
 	status = map->m_flags & EXT4_MAP_UNWRITTEN ?
 			EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
 	ext4_es_insert_extent(inode, map->m_lblk, map->m_len,
-			      map->m_pblk, status);
+			      map->m_pblk, status, 0);
 	return retval;
 }
 
@@ -559,7 +559,7 @@ static int ext4_map_create_blocks(handle_t *handle, struct inode *inode,
 	status = map->m_flags & EXT4_MAP_UNWRITTEN ?
 			EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
 	ext4_es_insert_extent(inode, map->m_lblk, map->m_len,
-			      map->m_pblk, status);
+			      map->m_pblk, status, flags);
 
 	return retval;
 }
@@ -677,7 +677,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
 		status = map->m_flags & EXT4_MAP_UNWRITTEN ?
 				EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
 		ext4_es_insert_extent(inode, map->m_lblk, map->m_len,
-				      map->m_pblk, status);
+				      map->m_pblk, status, 0);
 	}
 	up_read((&EXT4_I(inode)->i_data_sem));
 
@@ -4065,7 +4065,7 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 						    stop_block);
 
 		ext4_es_insert_extent(inode, first_block, hole_len, ~0,
-				      EXTENT_STATUS_HOLE);
+				      EXTENT_STATUS_HOLE, 0);
 		up_write(&EXT4_I(inode)->i_data_sem);
 	}
 	ext4_fc_track_range(handle, inode, first_block, stop_block);