z_erofs_next_pcluster_t owned_head;
enum z_erofs_pclustermode mode;
- /* used for applying cache strategy on the fly */
- bool backmost;
erofs_off_t headoffset;
/* a pointer used to pick up inplace I/O pages */
#define DECOMPRESS_FRONTEND_INIT(__i) { \
.inode = __i, .owned_head = Z_EROFS_PCLUSTER_TAIL, \
- .mode = Z_EROFS_PCLUSTER_FOLLOWED, .backmost = true }
+ .mode = Z_EROFS_PCLUSTER_FOLLOWED }
static bool z_erofs_should_alloc_cache(struct z_erofs_decompress_frontend *fe)
{
if (cachestrategy <= EROFS_ZIP_CACHE_DISABLED)
return false;
- if (fe->backmost)
+ if (!(fe->map.m_flags & EROFS_MAP_FULL_MAPPED))
return true;
if (cachestrategy >= EROFS_ZIP_CACHE_READAROUND &&
erofs_workgroup_put(&pcl->obj);
fe->pcl = NULL;
- fe->backmost = false;
}
static int z_erofs_read_fragment(struct super_block *sb, struct page *page,