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disk cache: new 64-bit multi-sector interface for file systems & prefetching in legacy interface

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git-svn-id: svn://kolibrios.org@4437 a494cfbc-eb01-0410-851d-a64ba20cac60
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CleverMouse 2014-01-10 11:56:03 +00:00
parent 9a1dad1ca1
commit a6e24bafb0
2 changed files with 1069 additions and 335 deletions
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7
kernel/trunk/blkdev/disk.inc
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@ -1,6 +1,6 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2011-2012. All rights reserved. ;;
;; Copyright (C) KolibriOS team 2011-2014. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@ -16,6 +16,7 @@ DISK_STATUS_GENERAL_ERROR = -1; if no other code is suitable
DISK_STATUS_INVALID_CALL = 1 ; invalid input parameters
DISK_STATUS_NO_MEDIA = 2 ; no media present
DISK_STATUS_END_OF_MEDIA = 3 ; end of media while reading/writing data
DISK_STATUS_NO_MEMORY = 4 ; insufficient memory for driver operation
; Driver flags. Represent bits in DISK.DriverFlags.
DISK_NO_INSERT_NOTIFICATION = 1
; Media flags. Represent bits in DISKMEDIAINFO.Flags.
@ -101,8 +102,6 @@ ends
; there are two distinct caches for a disk, one for "system" data,and the other
; for "application" data.
struct DISKCACHE
mutex MUTEX
; Lock to protect the cache.
; The following fields are inherited from data32.inc:cache_ideX.
pointer dd ?
data_size dd ? ; unused
@ -169,6 +168,8 @@ struct DISK
; Pointer to array of .NumPartitions pointers to PARTITION structures.
cache_size dd ?
; inherited from cache_ideX_size
CacheLock MUTEX
; Lock to protect both caches.
SysCache DISKCACHE
AppCache DISKCACHE
; Two caches for the disk.

1397
kernel/trunk/blkdev/disk_cache.inc
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