em_start          560 fs/btrfs/compression.c 	u64 em_start;
em_start          591 fs/btrfs/compression.c 	em_start = em->start;
em_start          621 fs/btrfs/compression.c 	add_ra_bio_pages(inode, em_start + em_len, cb);
em_start          638 fs/btrfs/compression.c 		page->index = em_start >> PAGE_SHIFT;
em_start         4657 fs/btrfs/extent_io.c 	u64 em_start = 0;
em_start         4748 fs/btrfs/extent_io.c 		em_start = max(em->start, off);
em_start         4757 fs/btrfs/extent_io.c 			offset_in_extent = em_start - em->start;
em_start         4759 fs/btrfs/extent_io.c 		em_len = em_end - em_start;
em_start         4809 fs/btrfs/extent_io.c 		if ((em_start >= last) || em_len == (u64)-1 ||
em_start         4825 fs/btrfs/extent_io.c 		ret = emit_fiemap_extent(fieinfo, &cache, em_start, disko,