New -check_media option async_chunks=

xorriso/xorriso.info

@@ -3128,7 +3128,7 @@ transmission errors.
      time_limit=28800 item_limit=100000 data_to=" event=ALL
      abort_file=/var/opt/xorriso/do_abort_check_media
      sector_map=" map_with_volid=off patch_lba0=off report=blocks
-     bad_limit=valid slow_limit=1.0 chunk_size=0s
+     bad_limit=valid slow_limit=1.0 chunk_size=0s async_chunks=0
      Option "reset=now" restores these startup defaults.
      Non-default options are:
 
@@ -3224,6 +3224,11 @@ transmission errors.
           sets the number of bytes to be read in one read operation.
           This gets rounded down to full blocks of 2048 bytes. 0 means
           automatic size.
+    async_chunks=number
+          enables asynchronous MD5 processing if number is 2 or larger.
+          In this case the given number of read chunks is allocated as
+          fifo buffer.  On very fast MMC drives try: chunk_size=32s
+          async_chunks=16.
      
 -check_md5 severity iso_rr_path [***]
      Compare the data content of the given files in the loaded image
@@ -4381,8 +4386,8 @@ File: xorriso.info,  Node: CommandIdx,  Next: ConceptIdx,  Prev: Legal,  Up: Top
 * -cdx   sets working directory on disk: Navigate.            (line  16)
 * -changes_pending   overrides change status: Writing.        (line  13)
 * -charset   sets input/output character set: Charset.        (line  43)
-* -check_md5   verifies file checksum:   Verify.              (line 148)
-* -check_md5_r   verifies file tree checksums: Verify.        (line 164)
+* -check_md5   verifies file checksum:   Verify.              (line 153)
+* -check_md5_r   verifies file tree checksums: Verify.        (line 169)
 * -check_media   reads media block by block: Verify.          (line  21)
 * -check_media_defaults   sets -check_media options: Verify.  (line  41)
 * -chgrp   sets group in ISO image:      Manip.               (line  50)
@@ -4813,8 +4818,8 @@ File: xorriso.info,  Node: ConceptIdx,  Prev: CommandIdx,  Up: Top
 * Verify, compare ISO and disk file, -compare: Navigate.      (line 146)
 * Verify, compare ISO and disk tree, -compare_r: Navigate.    (line 159)
 * Verify, compare ISO and disk, -compare_l: Navigate.         (line 164)
-* Verify, file checksum, -check_md5:     Verify.              (line 148)
-* Verify, file tree checksums, -check_md5_r: Verify.          (line 164)
+* Verify, file checksum, -check_md5:     Verify.              (line 153)
+* Verify, file tree checksums, -check_md5_r: Verify.          (line 169)
 * Verify, preset -check_media, -check_media_defaults: Verify. (line  41)
 * Write, block size, -dvd_obs:           SetWrite.            (line 265)
 * Write, bootability, -boot_image:       Bootable.            (line  26)
@@ -4871,32 +4876,32 @@ Node: DialogCtl139832
 Node: Inquiry142429
 Node: Navigate147295
 Node: Verify155556
-Node: Restore164245
-Node: Emulation171154
-Node: Scripting180965
-Node: Frontend188125
-Node: Examples189425
-Node: ExDevices190602
-Node: ExCreate191261
-Node: ExDialog192546
-Node: ExGrowing193811
-Node: ExModifying194616
-Node: ExBootable195120
-Node: ExCharset195672
-Node: ExPseudo196493
-Node: ExCdrecord197391
-Node: ExMkisofs197708
-Node: ExGrowisofs199048
-Node: ExException200183
-Node: ExTime200637
-Node: ExIncBackup201096
-Node: ExRestore205087
-Node: ExRecovery206047
-Node: Files206617
-Node: Seealso207916
-Node: Bugreport208639
-Node: Legal209220
-Node: CommandIdx210150
-Node: ConceptIdx225738
+Node: Restore164522
+Node: Emulation171431
+Node: Scripting181242
+Node: Frontend188402
+Node: Examples189702
+Node: ExDevices190879
+Node: ExCreate191538
+Node: ExDialog192823
+Node: ExGrowing194088
+Node: ExModifying194893
+Node: ExBootable195397
+Node: ExCharset195949
+Node: ExPseudo196770
+Node: ExCdrecord197668
+Node: ExMkisofs197985
+Node: ExGrowisofs199325
+Node: ExException200460
+Node: ExTime200914
+Node: ExIncBackup201373
+Node: ExRestore205364
+Node: ExRecovery206324
+Node: Files206894
+Node: Seealso208193
+Node: Bugreport208916
+Node: Legal209497
+Node: CommandIdx210427
+Node: ConceptIdx226015
 
 End Tag Table