X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=yaffs_guts.h;h=b6d51299d87ffbc6ba8cac87a470b8872726249c;hb=refs%2Fheads%2Fcase-insensitive;hp=77c05d3b4924357cb2a9c31531e6392346aea2b5;hpb=2c98f380f6e28ef71d4d7a8a174cc22b0481f102;p=yaffs2.git diff --git a/yaffs_guts.h b/yaffs_guts.h index 77c05d3..b6d5129 100644 --- a/yaffs_guts.h +++ b/yaffs_guts.h @@ -78,10 +78,12 @@ #define YAFFS_OBJECTID_UNLINKED 3 #define YAFFS_OBJECTID_DELETED 4 +/* Fake object Id for summary data */ +#define YAFFS_OBJECTID_SUMMARY 0x10 + /* Pseudo object ids for checkpointing */ -#define YAFFS_OBJECTID_SB_HEADER 0x10 #define YAFFS_OBJECTID_CHECKPOINT_DATA 0x20 -#define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21 +#define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21 #define YAFFS_MAX_SHORT_OP_CACHES 20 @@ -278,6 +280,7 @@ struct yaffs_block_info { Block should be prioritised for GC */ u32 chunk_error_strikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */ + u32 has_summary:1; /* The block has a summary */ u32 has_shrink_hdr:1; /* This block has at least one shrink header */ u32 seq_number; /* block sequence number for yaffs2 */ @@ -582,6 +585,13 @@ struct yaffs_param { int auto_unicode; #endif int always_check_erased; /* Force chunk erased check always on */ + + int disable_summary; + + int max_objects; /* + * Set to limit the number of objects created. + * 0 = no limit. + */ }; struct yaffs_dev { @@ -681,6 +691,7 @@ struct yaffs_dev { unsigned gc_block; unsigned gc_chunk; unsigned gc_skip; + struct yaffs_summary_tags *gc_sum_tags; /* Special directories */ struct yaffs_obj *root_dir; @@ -723,7 +734,11 @@ struct yaffs_dev { /* Dirty directory handling */ struct list_head dirty_dirs; /* List of dirty directories */ - /* Statistcs */ + /* Summary */ + int chunks_per_summary; + struct yaffs_summary_tags *sum_tags; + + /* Statistics */ u32 n_page_writes; u32 n_page_reads; u32 n_erasures; @@ -734,7 +749,7 @@ struct yaffs_dev { u32 oldest_dirty_gc_count; u32 n_gc_blocks; u32 bg_gcs; - u32 n_retired_writes; + u32 n_retried_writes; u32 n_retired_blocks; u32 n_ecc_fixed; u32 n_ecc_unfixed; @@ -744,6 +759,8 @@ struct yaffs_dev { u32 n_unmarked_deletions; u32 refresh_count; u32 cache_hits; + u32 tags_used; + u32 summary_used; };