forked from mirrors/linux
		
	btrfs: zoned: pass start block to btrfs_use_zone_append
btrfs_use_zone_append only needs the passed in extent_map's block_start member, so there's no need to pass in the full extent map. This also enables the use of btrfs_use_zone_append in places where we only have a start byte but no extent_map. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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					 4 changed files with 6 additions and 7 deletions
				
			
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					@ -3762,7 +3762,7 @@ static noinline_for_stack int __extent_writepage_io(struct btrfs_inode *inode,
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		/* Note that em_end from extent_map_end() is exclusive */
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							/* Note that em_end from extent_map_end() is exclusive */
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		iosize = min(em_end, end + 1) - cur;
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							iosize = min(em_end, end + 1) - cur;
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		if (btrfs_use_zone_append(inode, em))
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							if (btrfs_use_zone_append(inode, em->block_start))
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			opf = REQ_OP_ZONE_APPEND;
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								opf = REQ_OP_ZONE_APPEND;
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		free_extent_map(em);
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							free_extent_map(em);
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					@ -7796,7 +7796,7 @@ static int btrfs_dio_iomap_begin(struct inode *inode, loff_t start,
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	iomap->bdev = fs_info->fs_devices->latest_bdev;
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						iomap->bdev = fs_info->fs_devices->latest_bdev;
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	iomap->length = len;
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						iomap->length = len;
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	if (write && btrfs_use_zone_append(BTRFS_I(inode), em))
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						if (write && btrfs_use_zone_append(BTRFS_I(inode), em->block_start))
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		iomap->flags |= IOMAP_F_ZONE_APPEND;
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							iomap->flags |= IOMAP_F_ZONE_APPEND;
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	free_extent_map(em);
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						free_extent_map(em);
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					@ -1278,7 +1278,7 @@ void btrfs_free_redirty_list(struct btrfs_transaction *trans)
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	spin_unlock(&trans->releasing_ebs_lock);
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						spin_unlock(&trans->releasing_ebs_lock);
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}
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					}
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bool btrfs_use_zone_append(struct btrfs_inode *inode, struct extent_map *em)
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					bool btrfs_use_zone_append(struct btrfs_inode *inode, u64 start)
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{
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					{
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	struct btrfs_fs_info *fs_info = inode->root->fs_info;
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						struct btrfs_fs_info *fs_info = inode->root->fs_info;
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	struct btrfs_block_group *cache;
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						struct btrfs_block_group *cache;
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					@ -1293,7 +1293,7 @@ bool btrfs_use_zone_append(struct btrfs_inode *inode, struct extent_map *em)
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	if (!is_data_inode(&inode->vfs_inode))
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						if (!is_data_inode(&inode->vfs_inode))
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		return false;
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							return false;
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	cache = btrfs_lookup_block_group(fs_info, em->block_start);
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						cache = btrfs_lookup_block_group(fs_info, start);
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	ASSERT(cache);
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						ASSERT(cache);
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	if (!cache)
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						if (!cache)
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		return false;
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							return false;
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					@ -53,7 +53,7 @@ void btrfs_calc_zone_unusable(struct btrfs_block_group *cache);
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void btrfs_redirty_list_add(struct btrfs_transaction *trans,
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					void btrfs_redirty_list_add(struct btrfs_transaction *trans,
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			    struct extent_buffer *eb);
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								    struct extent_buffer *eb);
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void btrfs_free_redirty_list(struct btrfs_transaction *trans);
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					void btrfs_free_redirty_list(struct btrfs_transaction *trans);
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bool btrfs_use_zone_append(struct btrfs_inode *inode, struct extent_map *em);
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					bool btrfs_use_zone_append(struct btrfs_inode *inode, u64 start);
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void btrfs_record_physical_zoned(struct inode *inode, u64 file_offset,
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					void btrfs_record_physical_zoned(struct inode *inode, u64 file_offset,
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				 struct bio *bio);
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									 struct bio *bio);
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void btrfs_rewrite_logical_zoned(struct btrfs_ordered_extent *ordered);
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					void btrfs_rewrite_logical_zoned(struct btrfs_ordered_extent *ordered);
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					@ -152,8 +152,7 @@ static inline void btrfs_redirty_list_add(struct btrfs_transaction *trans,
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					  struct extent_buffer *eb) { }
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										  struct extent_buffer *eb) { }
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static inline void btrfs_free_redirty_list(struct btrfs_transaction *trans) { }
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					static inline void btrfs_free_redirty_list(struct btrfs_transaction *trans) { }
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static inline bool btrfs_use_zone_append(struct btrfs_inode *inode,
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					static inline bool btrfs_use_zone_append(struct btrfs_inode *inode, u64 start)
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					 struct extent_map *em)
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{
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					{
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	return false;
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						return false;
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}
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					}
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