Lines Matching defs:cow
279 static noinline int add_async_extent(struct async_cow *cow,
293 list_add_tail(&async_extent->list, &cow->extents);
1013 * If no cow copies or snapshots exist, we write directly to the existing
1118 * force cow if csum exists in the range.
3197 * taken from block_truncate_page, but does cow as it zeros out
5067 * block must be cow'd
5097 /* can't find the item, must cow */
5108 /* not our file or wrong item type, must cow */
5113 /* Wrong offset, must cow */
5121 /* not a regular extent, must cow */
5129 /* extent doesn't include our full range, must cow */
5138 * find any we must cow
5147 * are any csums in that range we have to cow in order
5157 * without cow
5259 * this will cow the extent, reset the len in case we changed