Re: >2gb ext2fs patch

[Alfred M. Szmidt]

The ChangeLog entries for anyone interested...

console/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * pager.c (pager_notify_evict): New function.
        (user_pager_create): Added zero notify_on_evict argument to
        invocation of pager_create.

ext2fs/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * ext2fs.h: <hurd/store.h> and <hurd/ihash.h> are included.
        (DISK_CACHE_BLOCKS): New macro.
        disk_image is renamed to disk_cache.
        New extern variables disk_cache_size and disk_cache_blocks.
        (DC_INCORE, DC_UNTOUCHED, DC_FIXED, DC_DONT_REUSE, DC_NO_BLOCK):
        New macros.
        (DISK_CACHE_LAST_READ_XOR) [NDEBUG]: New macro.
        (struct disk_cache_info): New struct.
        New extern variables disk_cache_bptr, disk_cache_info,
        disk_cache_lock, and disk_cache_reassociation.
        Prototypes for new functions buffer_lookup, buffer_ref,
        buffer_put, and buffer_is_ref.
        Variables sblock and sblock_dirty are made extern.
        Prototype for function map_hypermetadata.
        (trunc_block, round_block, boffs): Added type casting to off_t.
        (bptr_index): New macro.
        (boffs_ptr, bptr_offs): New inline functions that replace macros.
        (dino): Renamed to...
        (dino_lookup): ...this name.  The new block cache functions are
        used.
        (dino_put): New inline function.
        (record_global_poke, sync_global_ptr, record_indir_poke): The new
        block cache functions are used.
        (sync_global): Added debug code.

        * ext2fs.c (parse_opt): memset is used instead of bzero.
        (main): disk_cache is referred instead of disk_image.
        map_hypermetadata is called instead of get_hypermetadata.
        (diskfs_reload_global_state): map_hypermetadata is called after
        get_hypermetadata.

        * hyper.c (get_hypermetadata): Superblock is read with
        store_read.
        (map_hypermetadata): New function.
        (diskfs_set_hypermetadata): The new block cache functions are
        used.
        (diskfs_readonly_changed): disk_cache is referred instead of
        disk_image.

        * inode.c: The new block cache functions are used.
        memcpy is used instead of bcopy.
        (rwlock_init): disk_cache is used instead of disk_image.
        (read_node): Added missing call to diskfs_end_catch_exception().
        round_block is used instead of inline calculations.
        
        * ialloc.c: The new block cache functions are used.
        (diskfs_free_node): %Lu instead of %u is used for inode numbers.

        * truncate.c: The new block cache functions are used.
        (trunc_indirect): Proper mapping from buffer to pager offset.

        * getblk.c: The new block cache functions are used.
        (ext2_alloc_block): memset is used instead of bzero.

        * balloc.c: The new block cache functions are used.

        * pokel.c: Proper decrementing of reference counts of buffers.

        * pager.c: The new block cache functions are used.
        memcpy/memset are used instead of bcopy/bzero.
        %Lu instead of %u or %lu is used for block numbers.
        <unistd.h> and "../libpager/priv.h" are included.
        (file_pager_read_page, pending_blocks_write): Added type casting
        to store_offset_t.
        (disk_pager_read_page, disk_pager_write_page): Buffers in disk
        cache are properly mapped to block numbers.
        (disk_pager_notify_evict): New function.
        New global variables disk_cache, disk_cache_size,
        disk_cache_blocks, disk_cache_bptr, disk_cache_info,
        disk_cache_hint, disk_cache_lock, disk_cache_reassociation.
        (disk_cache_init, disk_cache_return_unused)
        (buffer_lookup, buffer_ref, buffer_put, buffer_is_ref): New
        functions.
        (create_disk_pager): Added initialization of disk cache.
        (diskfs_get_filemap): Added zero notify_on_evict argument to
        pager_create.

fatfs/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * pager.c (pager_notify_evict): New function.
        (create_fat_pager): Added zero notify_on_evict argument to
        invocation of diskfs_start_disk_pager.
        (diskfs_get_filemap): Added zero notify_on_evict argument to
        invocation of pager_create.

isofs/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * pager.c (pager_notify_evict): New function.
        (create_disk_pager): Added zero notify_on_evict argument to
        invocation of diskfs_start_disk_pager.
        (diskfs_get_filemap): Added zero notify_on_evict argument to
        invocation of pager_create.

libdiskfs/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * diskfs-pager.h: New argument notify_on_evict to
        prototype of diskfs_start_disk_pager.
        * disk-pager.c (diskfs_start_disk_pager): New argument
        notify_on_evict.
        Added zero notify_on_evict argument to invocation of
        pager_create.

libpager/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * priv.h (struct pager): New field notify_on_evict.

        * pager.h: New argument notify_on_evict is added to pager_create.
        New prototype for pager_notify_evict.

        * pager-create.c (pager_create): New argument notify_on_evict.

        * data-return.c (_pager_do_write_request): Notification of evicted
        pages when it's enabled.

        * data-request.c (_pager_seqnos_memory_object_data_request):
        Slightly changed error handling with same semantics.
        If notification on eviction is enabled, only precious pages are
        requested from Mach.

storeio/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * pager.c (pager_notify_evict): New function.
        (dev_get_memory_object): Added zero notify_on_evict argument to
        invocation of pager_create.

tmpfs/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * pager-stubs.c (pager_notify_evict): New function.

ufs/
2005-08-22  Ognyan Kulev  <ogi@fmi.uni-sofia.bg>

        * pager.c (pager_notify_evict): New function.
        (create_disk_pager): Added zero notify_on_evict argument to
        invocation of diskfs_start_disk_pager.
        (diskfs_get_filemap): Added zero notify_on_evict argument to
        invocation of pager_create.