FAILED: patch "[PATCH] ext4: drop extent cache when splitting extent fails" failed to apply to 6.1-stable tree

index 1094e4923451..945995d68c4d 100644
@@ -3267,7 +3267,7 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 
 	err = PTR_ERR(path);
 	if (err != -ENOSPC && err != -EDQUOT && err != -ENOMEM)
-		return path;
+		goto out_path;
 
 	/*
 	 * Get a new path to try to zeroout or fix the extent length.

@@ -3281,7 +3281,7 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 	if (IS_ERR(path)) {
 		EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld",
 				 split, PTR_ERR(path));
-		return path;
+		goto out_path;
 	}
 	depth = ext_depth(inode);
 	ex = path[depth].p_ext;

@@ -3358,6 +3358,10 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 		ext4_free_ext_path(path);
 		path = ERR_PTR(err);
 	}
+out_path:
+	if (IS_ERR(path))
+		/* Remove all remaining potentially stale extents. */
+		ext4_es_remove_extent(inode, ee_block, ee_len);
 	ext4_ext_show_leaf(inode, path);
 	return path;
 }

index 1aad4ae0e7ae4..8100e20475f30 100644
@@ -4457,15 +4457,8 @@ int ext4_ext_truncate(handle_t *handle, struct inode *inode)
 
 	last_block = (inode->i_size + sb->s_blocksize - 1)
 			>> EXT4_BLOCK_SIZE_BITS(sb);
-retry:
-	err = ext4_es_remove_extent(inode, last_block,
-				    EXT_MAX_BLOCKS - last_block);
-	if (err == -ENOMEM) {
-		memalloc_retry_wait(GFP_ATOMIC);
-		goto retry;
-	}
-	if (err)
-		return err;
+	ext4_es_remove_extent(inode, last_block, EXT_MAX_BLOCKS - last_block);
+
 retry_remove_space:
 	err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1);
 	if (err == -ENOMEM) {

@@ -5412,13 +5405,7 @@ static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
 
 	down_write(&EXT4_I(inode)->i_data_sem);
 	ext4_discard_preallocations(inode, 0);
-
-	ret = ext4_es_remove_extent(inode, punch_start,
-				    EXT_MAX_BLOCKS - punch_start);
-	if (ret) {
-		up_write(&EXT4_I(inode)->i_data_sem);
-		goto out_stop;
-	}
+	ext4_es_remove_extent(inode, punch_start, EXT_MAX_BLOCKS - punch_start);
 
 	ret = ext4_ext_remove_space(inode, punch_start, punch_stop - 1);
 	if (ret) {

@@ -5604,12 +5591,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
 		ext4_free_ext_path(path);
 	}
 
-	ret = ext4_es_remove_extent(inode, offset_lblk,
-			EXT_MAX_BLOCKS - offset_lblk);
-	if (ret) {
-		up_write(&EXT4_I(inode)->i_data_sem);
-		goto out_stop;
-	}
+	ext4_es_remove_extent(inode, offset_lblk, EXT_MAX_BLOCKS - offset_lblk);
 
 	/*
 	 * if offset_lblk lies in a hole which is at start of file, use

@@ -5668,12 +5650,8 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
 	BUG_ON(!inode_is_locked(inode1));
 	BUG_ON(!inode_is_locked(inode2));
 
-	*erp = ext4_es_remove_extent(inode1, lblk1, count);
-	if (unlikely(*erp))
-		return 0;
-	*erp = ext4_es_remove_extent(inode2, lblk2, count);
-	if (unlikely(*erp))
-		return 0;
+	ext4_es_remove_extent(inode1, lblk1, count);
+	ext4_es_remove_extent(inode2, lblk2, count);
 
 	while (count) {
 		struct ext4_extent *ex1, *ex2, tmp_ex;

index 592229027af72..862a8308cd9b0 100644
@@ -1494,10 +1494,10 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
  * @len - number of blocks to remove
  *
  * Reduces block/cluster reservation count and for bigalloc cancels pending
- * reservations as needed. Returns 0 on success, error code on failure.
+ * reservations as needed.
  */
-int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
-			  ext4_lblk_t len)
+void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
+			   ext4_lblk_t len)
 {
 	ext4_lblk_t end;
 	int err = 0;

@@ -1505,14 +1505,14 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
 	struct extent_status *es = NULL;
 
 	if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
-		return 0;
+		return;
 
 	trace_ext4_es_remove_extent(inode, lblk, len);
 	es_debug("remove [%u/%u) from extent status tree of inode %lu\n",
 		 lblk, len, inode->i_ino);
 
 	if (!len)
-		return err;
+		return;
 
 	end = lblk + len - 1;
 	BUG_ON(end < lblk);

@@ -1539,7 +1539,7 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
 
 	ext4_es_print_tree(inode);
 	ext4_da_release_space(inode, reserved);
-	return 0;
+	return;
 }
 
 static int __es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,

index 481ec4381bee6..1d1247bbfd477 100644
@@ -133,8 +133,8 @@ extern void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
 extern void ext4_es_cache_extent(struct inode *inode, ext4_lblk_t lblk,
 				 ext4_lblk_t len, ext4_fsblk_t pblk,
 				 unsigned int status);
-extern int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
-				 ext4_lblk_t len);
+extern void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
+				  ext4_lblk_t len);
 extern void ext4_es_find_extent_range(struct inode *inode,
 				      int (*match_fn)(struct extent_status *es),
 				      ext4_lblk_t lblk, ext4_lblk_t end,

index a1fb99d2b472b..c15ea7589945f 100644
@@ -2004,16 +2004,8 @@ int ext4_inline_data_truncate(struct inode *inode, int *has_inline)
 		 * the extent status cache must be cleared to avoid leaving
 		 * behind stale delayed allocated extent entries
 		 */
-		if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
-retry:
-			err = ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);
-			if (err == -ENOMEM) {
-				memalloc_retry_wait(GFP_ATOMIC);
-				goto retry;
-			}
-			if (err)
-				goto out_error;
-		}
+		if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA))
+			ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);
 
 		/* Clear the content in the xattr space. */
 		if (inline_size > EXT4_MIN_INLINE_DATA_SIZE) {

index bf1f8319e2d74..79619f3db984f 100644
@@ -4134,12 +4134,8 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 		down_write(&EXT4_I(inode)->i_data_sem);
 		ext4_discard_preallocations(inode, 0);
 
-		ret = ext4_es_remove_extent(inode, first_block,
-					    stop_block - first_block);
-		if (ret) {
-			up_write(&EXT4_I(inode)->i_data_sem);
-			goto out_stop;
-		}
+		ext4_es_remove_extent(inode, first_block,
+				      stop_block - first_block);
 
 		if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
 			ret = ext4_ext_remove_space(inode, first_block,

index 27753291fb7ec..490496adf17cc 100644
@@ -3723,7 +3723,7 @@ extern int ext4_ext_insert_extent(handle_t *, struct inode *,
 				  struct ext4_ext_path **,
 				  struct ext4_extent *, int);
 extern struct ext4_ext_path *ext4_find_extent(struct inode *, ext4_lblk_t,
-					      struct ext4_ext_path **,
+					      struct ext4_ext_path *,
 					      int flags);
 extern void ext4_free_ext_path(struct ext4_ext_path *);
 extern int ext4_ext_check_inode(struct inode *inode);

164 lines not on this page · raw message

index e01632462db9f..0aff07c570a46 100644
@@ -26,16 +26,17 @@ static inline int
 get_ext_path(struct inode *inode, ext4_lblk_t lblock,
 		struct ext4_ext_path **ppath)
 {
-	struct ext4_ext_path *path;
+	struct ext4_ext_path *path = *ppath;
 
-	path = ext4_find_extent(inode, lblock, ppath, EXT4_EX_NOCACHE);
+	*ppath = NULL;
+	path = ext4_find_extent(inode, lblock, path, EXT4_EX_NOCACHE);
 	if (IS_ERR(path))
 		return PTR_ERR(path);
 	if (path[ext_depth(inode)].p_ext == NULL) {
 		ext4_free_ext_path(path);
-		*ppath = NULL;
 		return -ENODATA;
 	}
+	*ppath = path;
 	return 0;
 }
 

index 1285b8edd62fc..37113982a3329 100644
@@ -1392,13 +1392,12 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
  * finds empty index and adds new leaf.
  * if no free index is found, then it requests in-depth growing.
  */
-static int ext4_ext_create_new_leaf(handle_t *handle, struct inode *inode,
-				    unsigned int mb_flags,
-				    unsigned int gb_flags,
-				    struct ext4_ext_path **ppath,
-				    struct ext4_extent *newext)
+static struct ext4_ext_path *
+ext4_ext_create_new_leaf(handle_t *handle, struct inode *inode,
+			 unsigned int mb_flags, unsigned int gb_flags,
+			 struct ext4_ext_path *path,
+			 struct ext4_extent *newext)
 {
-	struct ext4_ext_path *path = *ppath;
 	struct ext4_ext_path *curp;
 	int depth, i, err = 0;
 

@@ -1419,28 +1418,25 @@ static int ext4_ext_create_new_leaf(handle_t *handle, struct inode *inode,
 		 * entry: create all needed subtree and add new leaf */
 		err = ext4_ext_split(handle, inode, mb_flags, path, newext, i);
 		if (err)
-			goto out;
+			goto errout;
 
 		/* refill path */
 		path = ext4_find_extent(inode,
 				    (ext4_lblk_t)le32_to_cpu(newext->ee_block),
 				    path, gb_flags);
-		if (IS_ERR(path))
-			err = PTR_ERR(path);
+		return path;
 	} else {
 		/* tree is full, time to grow in depth */
 		err = ext4_ext_grow_indepth(handle, inode, mb_flags);
 		if (err)
-			goto out;
+			goto errout;
 
 		/* refill path */
 		path = ext4_find_extent(inode,
 				   (ext4_lblk_t)le32_to_cpu(newext->ee_block),
 				    path, gb_flags);
-		if (IS_ERR(path)) {
-			err = PTR_ERR(path);
-			goto out;
-		}
+		if (IS_ERR(path))
+			return path;
 
 		/*
 		 * only first (depth 0 -> 1) produces free space;

@@ -1452,9 +1448,11 @@ static int ext4_ext_create_new_leaf(handle_t *handle, struct inode *inode,
 			goto repeat;
 		}
 	}
-out:
-	*ppath = IS_ERR(path) ? NULL : path;
-	return err;
+	return path;
+
+errout:
+	ext4_free_ext_path(path);
+	return ERR_PTR(err);
 }
 
 /*

@@ -2097,11 +2095,14 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
 	 */
 	if (gb_flags & EXT4_GET_BLOCKS_METADATA_NOFAIL)
 		mb_flags |= EXT4_MB_USE_RESERVED;
-	err = ext4_ext_create_new_leaf(handle, inode, mb_flags, gb_flags,
-				       ppath, newext);
-	if (err)
+	path = ext4_ext_create_new_leaf(handle, inode, mb_flags, gb_flags,
+					path, newext);
+	if (IS_ERR(path)) {
+		*ppath = NULL;
+		err = PTR_ERR(path);
 		goto cleanup;
-	path = *ppath;
+	}
+	*ppath = path;
 	depth = ext_depth(inode);
 	eh = path[depth].p_hdr;
 

index 490496adf17cc..7449777fabc36 100644
@@ -3719,9 +3719,10 @@ extern int ext4_map_blocks(handle_t *handle, struct inode *inode,
 extern int ext4_ext_calc_credits_for_single_extent(struct inode *inode,
 						   int num,
 						   struct ext4_ext_path *path);
-extern int ext4_ext_insert_extent(handle_t *, struct inode *,
-				  struct ext4_ext_path **,
-				  struct ext4_extent *, int);
+extern struct ext4_ext_path *ext4_ext_insert_extent(
+				handle_t *handle, struct inode *inode,
+				struct ext4_ext_path *path,
+				struct ext4_extent *newext, int gb_flags);
 extern struct ext4_ext_path *ext4_find_extent(struct inode *, ext4_lblk_t,
 					      struct ext4_ext_path *,
 					      int flags);

196 lines not on this page · raw message

index 94f90032ca561..83a0a78a124a1 100644
@@ -1828,12 +1828,12 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
 			if (ext4_ext_is_unwritten(ex))
 				ext4_ext_mark_unwritten(&newex);
 			down_write(&EXT4_I(inode)->i_data_sem);
-			ret = ext4_ext_insert_extent(
-				NULL, inode, &path, &newex, 0);
+			path = ext4_ext_insert_extent(NULL, inode,
+						      path, &newex, 0);
 			up_write((&EXT4_I(inode)->i_data_sem));
-			ext4_free_ext_path(path);
-			if (ret)
+			if (IS_ERR(path))
 				goto out;
+			ext4_free_ext_path(path);
 			goto next;
 		}
 

index 0be0467ae6dd2..7a0e429507cf3 100644
@@ -37,7 +37,6 @@ static int finish_range(handle_t *handle, struct inode *inode,
 	path = ext4_find_extent(inode, lb->first_block, NULL, 0);
 	if (IS_ERR(path)) {
 		retval = PTR_ERR(path);
-		path = NULL;
 		goto err_out;
 	}
 

@@ -53,7 +52,9 @@ static int finish_range(handle_t *handle, struct inode *inode,
 	retval = ext4_datasem_ensure_credits(handle, inode, needed, needed, 0);
 	if (retval < 0)
 		goto err_out;
-	retval = ext4_ext_insert_extent(handle, inode, &path, &newext, 0);
+	path = ext4_ext_insert_extent(handle, inode, path, &newext, 0);
+	if (IS_ERR(path))
+		retval = PTR_ERR(path);
 err_out:
 	up_write((&EXT4_I(inode)->i_data_sem));
 	ext4_free_ext_path(path);

index 8a5c1e1207ba7..476fa4bc351a0 100644
@@ -84,12 +84,11 @@ static void ext4_extent_block_csum_set(struct inode *inode,
 	et->et_checksum = ext4_extent_block_csum(inode, eh);
 }
 
-static int ext4_split_extent_at(handle_t *handle,
-			     struct inode *inode,
-			     struct ext4_ext_path **ppath,
-			     ext4_lblk_t split,
-			     int split_flag,
-			     int flags);
+static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
+						  struct inode *inode,
+						  struct ext4_ext_path *path,
+						  ext4_lblk_t split,
+						  int split_flag, int flags);
 
 static int ext4_ext_trunc_restart_fn(struct inode *inode, int *dropped)
 {

@@ -335,9 +334,15 @@ ext4_force_split_extent_at(handle_t *handle, struct inode *inode,
 	if (nofail)
 		flags |= EXT4_GET_BLOCKS_METADATA_NOFAIL | EXT4_EX_NOFAIL;
 
-	return ext4_split_extent_at(handle, inode, ppath, lblk, unwritten ?
+	path = ext4_split_extent_at(handle, inode, path, lblk, unwritten ?
 			EXT4_EXT_MARK_UNWRIT1|EXT4_EXT_MARK_UNWRIT2 : 0,
 			flags);
+	if (IS_ERR(path)) {
+		*ppath = NULL;
+		return PTR_ERR(path);
+	}
+	*ppath = path;
+	return 0;
 }
 
 static int

@@ -689,7 +694,7 @@ static void ext4_ext_show_leaf(struct inode *inode, struct ext4_ext_path *path)
 	struct ext4_extent *ex;
 	int i;
 
-	if (!path)
+	if (IS_ERR_OR_NULL(path))
 		return;
 
 	eh = path[depth].p_hdr;

@@ -3155,16 +3160,14 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
  *  a> the extent are splitted into two extent.
  *  b> split is not needed, and just mark the extent.
  *
- * return 0 on success.
+ * Return an extent path pointer on success, or an error pointer on failure.
  */
-static int ext4_split_extent_at(handle_t *handle,
-			     struct inode *inode,
-			     struct ext4_ext_path **ppath,
-			     ext4_lblk_t split,
-			     int split_flag,
-			     int flags)
+static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
+						  struct inode *inode,
+						  struct ext4_ext_path *path,
+						  ext4_lblk_t split,
+						  int split_flag, int flags)
 {
-	struct ext4_ext_path *path = *ppath;
 	ext4_fsblk_t newblock;
 	ext4_lblk_t ee_block;
 	struct ext4_extent *ex, newex, orig_ex, zero_ex;

@@ -3235,14 +3238,12 @@ static int ext4_split_extent_at(handle_t *handle,
 		ext4_ext_mark_unwritten(ex2);
 
 	path = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
-	if (!IS_ERR(path)) {
-		*ppath = path;
+	if (!IS_ERR(path))
 		goto out;
-	}
-	*ppath = NULL;
+
 	err = PTR_ERR(path);
 	if (err != -ENOSPC && err != -EDQUOT && err != -ENOMEM)
-		return err;
+		return path;
 
 	/*
 	 * Get a new path to try to zeroout or fix the extent length.

@@ -3252,16 +3253,14 @@ static int ext4_split_extent_at(handle_t *handle,
 	 * in ext4_da_update_reserve_space() due to an incorrect
 	 * ee_len causing the i_reserved_data_blocks exception.
 	 */
-	path = ext4_find_extent(inode, ee_block, NULL,
-				flags | EXT4_EX_NOFAIL);
+	path = ext4_find_extent(inode, ee_block, NULL, flags | EXT4_EX_NOFAIL);
 	if (IS_ERR(path)) {
 		EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld",
 				 split, PTR_ERR(path));
-		return PTR_ERR(path);
+		return path;
 	}
 	depth = ext_depth(inode);
 	ex = path[depth].p_ext;
-	*ppath = path;
 
 	if (EXT4_EXT_MAY_ZEROOUT & split_flag) {
 		if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) {

@@ -3313,10 +3312,13 @@ static int ext4_split_extent_at(handle_t *handle,
 	 * and err is a non-zero error code.
 	 */
 	ext4_ext_dirty(handle, inode, path + path->p_depth);
-	return err;
 out:
+	if (err) {
+		ext4_free_ext_path(path);
+		path = ERR_PTR(err);
+	}
 	ext4_ext_show_leaf(inode, path);
-	return err;
+	return path;
 }
 
 /*

@@ -3360,10 +3362,14 @@ static int ext4_split_extent(handle_t *handle,
 				       EXT4_EXT_MARK_UNWRIT2;
 		if (split_flag & EXT4_EXT_DATA_VALID2)
 			split_flag1 |= EXT4_EXT_DATA_VALID1;
-		err = ext4_split_extent_at(handle, inode, ppath,
+		path = ext4_split_extent_at(handle, inode, path,
 				map->m_lblk + map->m_len, split_flag1, flags1);
-		if (err)
+		if (IS_ERR(path)) {
+			err = PTR_ERR(path);
+			*ppath = NULL;
 			goto out;
+		}
+		*ppath = path;
 	} else {
 		allocated = ee_len - (map->m_lblk - ee_block);
 	}

@@ -3371,7 +3377,7 @@ static int ext4_split_extent(handle_t *handle,
 	 * Update path is required because previous ext4_split_extent_at() may
 	 * result in split of original leaf or extent zeroout.
 	 */
-	path = ext4_find_extent(inode, map->m_lblk, *ppath, flags);
+	path = ext4_find_extent(inode, map->m_lblk, path, flags);
 	if (IS_ERR(path)) {
 		*ppath = NULL;
 		return PTR_ERR(path);

@@ -3393,13 +3399,17 @@ static int ext4_split_extent(handle_t *handle,
 			split_flag1 |= split_flag & (EXT4_EXT_MAY_ZEROOUT |
 						     EXT4_EXT_MARK_UNWRIT2);
 		}
-		err = ext4_split_extent_at(handle, inode, ppath,
+		path = ext4_split_extent_at(handle, inode, path,
 				map->m_lblk, split_flag1, flags);
-		if (err)
+		if (IS_ERR(path)) {
+			err = PTR_ERR(path);
+			*ppath = NULL;
 			goto out;
+		}
+		*ppath = path;
 	}
 
-	ext4_ext_show_leaf(inode, *ppath);
+	ext4_ext_show_leaf(inode, path);
 out:
 	return err ? err : allocated;
 }

@@ -5594,22 +5604,21 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
 			if (ext4_ext_is_unwritten(extent))
 				split_flag = EXT4_EXT_MARK_UNWRIT1 |
 					EXT4_EXT_MARK_UNWRIT2;
-			ret = ext4_split_extent_at(handle, inode, &path,
+			path = ext4_split_extent_at(handle, inode, path,
 					offset_lblk, split_flag,
 					EXT4_EX_NOCACHE |
 					EXT4_GET_BLOCKS_PRE_IO |
 					EXT4_GET_BLOCKS_METADATA_NOFAIL);
 		}
 
-		ext4_free_ext_path(path);
-		if (ret < 0) {
+		if (IS_ERR(path)) {
 			up_write(&EXT4_I(inode)->i_data_sem);
+			ret = PTR_ERR(path);
 			goto out_stop;
 		}
-	} else {
-		ext4_free_ext_path(path);
 	}
 
+	ext4_free_ext_path(path);
 	ext4_es_remove_extent(inode, offset_lblk, EXT_MAX_BLOCKS - offset_lblk);
 
 	/*

index 476fa4bc351a0..90f0610cfbc0c 100644
@@ -3243,7 +3243,7 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 
 	err = PTR_ERR(path);
 	if (err != -ENOSPC && err != -EDQUOT && err != -ENOMEM)
-		return path;
+		goto out_path;
 
 	/*
 	 * Get a new path to try to zeroout or fix the extent length.

@@ -3257,7 +3257,7 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 	if (IS_ERR(path)) {
 		EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld",
 				 split, PTR_ERR(path));
-		return path;
+		goto out_path;
 	}
 	depth = ext_depth(inode);
 	ex = path[depth].p_ext;

@@ -3317,6 +3317,10 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 		ext4_free_ext_path(path);
 		path = ERR_PTR(err);
 	}
+out_path:
+	if (IS_ERR(path))
+		/* Remove all remaining potentially stale extents. */
+		ext4_es_remove_extent(inode, ee_block, ee_len);
 	ext4_ext_show_leaf(inode, path);
 	return path;
 }