fs/btrfs/extent-tree.c

39 #include "file-item.h"
172 			"unexpected extent item size, has %u expect >= %zu",
771  * points to the extent item, and -EAGAIN is returned.
857 "extent item not found for insert, bytenr %llu num_bytes %llu parent %llu root_objectid %llu owner %llu offset %llu",
869 			  "unexpected extent item size, has %llu expect >= %zu",
962 		 * there is no corresponding back ref item.
964 		 * ref if there is any kind of item for this block
1471 	struct btrfs_extent_item *item;
1499 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);
1500 	refs = btrfs_extent_refs(leaf, item);
1501 	btrfs_set_extent_refs(leaf, item, refs + refs_to_add);
1503 		__run_delayed_extent_op(extent_op, leaf, item);
1669 		  "missing extent item for extent %llu num_bytes %llu level %d",
1681 			  "unexpected extent item size, has %u expect >= %zu",
1793 	 * the extent item from the extent tree, when there still are references
1794 	 * to add, which would fail because they would not find the extent item.
2369 		 * item with such offset, but this is out of the valid range.
2403 	/* If extent item has more than 1 inline ref then it's shared */
2678 	struct btrfs_file_extent_item *item;
2691 		item = btrfs_item_ptr(eb, i, struct btrfs_file_extent_item);
2692 		found_type = btrfs_file_extent_type(eb, item);
2695 		if (btrfs_file_extent_disk_bytenr(eb, item) == 0)
2697 		key.objectid = btrfs_file_extent_disk_bytenr(eb, item);
2698 		key.offset = btrfs_file_extent_disk_num_bytes(eb, item);
2912  * Parse an extent item's inline extents looking for a simple quotas owner ref.
2915  * @leaf:	a leaf in the extent tree containing the extent item
2916  * @slot:	the slot in the leaf where the extent item is found
2918  * Returns the objectid of the root that originally allocated the extent item
2921  * If an extent item has an owner ref item, it will be the first inline ref
2922  * item. Therefore the logic is to check whether there are any inline ref
3012  *    It's either inline in EXTENT/METADATA_ITEM or in keyed SHARED_* item.
3021  * 	item 0 key (13631488 EXTENT_ITEM 1048576) itemoff 16201 itemsize 82
3037  * 	item 0 key (13631488 EXTENT_ITEM 1048576) itemoff 16201 itemsize 82
3045  *	item 0 key (13631488 EXTENT_ITEM 1048576) itemoff 3971 itemsize 24
3048  *	item 2 key (13631488 EXTENT_DATA_REF <HASH>) itemoff 3915 itemsize 28
3062  *	item 0 key (13631488 EXTENT_ITEM 1048576) itemoff 3971 itemsize 24
3157 			/* Must be SHARED_* item, remove the backref first */
3180 				 * Couldn't find our skinny metadata item,
3181 				 * see if we have ye olde extent item.
3231 			  "unexpected extent item size, has %u expect >= %zu",
3244 "invalid extent item size for key (%llu, %u, %llu) slot %u owner %llu, has %u expect >= %zu",
3315 "invalid iref, extent item key (%llu %u %llu) slot %u doesn't have wanted iref",
3323 				 * No inline ref, we must be at SHARED_* item,
3330 	"invalid SHARED_* item slot %u, previous item is not EXTENT/METADATA_ITEM",
3341 		 * to try to get it from the owning ref item.
6035 			/* if we fail to delete the orphan item this time