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In case of ISO_ZISOFS_TOO_MANY_PTR remove all dispensable block pointers

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Thomas Schmitt 2020-10-25 17:04:24 +01:00
parent 396d09946e
commit c1e6d3415a
6 changed files with 120 additions and 86 deletions
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2
xorriso/base_obj.c
View File

@ -202,7 +202,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
m->zisofs_v2_block_size= m->zisofs_v2_block_size_default= (1 << 17); m->zisofs_v2_block_size= m->zisofs_v2_block_size_default= (1 << 17);
m->zisofs_block_number_target= -1; m->zisofs_block_number_target= -1;
m->zisofs_bpt_discard_free_ratio= m->zisofs_bpt_discard_free_ratio_default= m->zisofs_bpt_discard_free_ratio= m->zisofs_bpt_discard_free_ratio_default=
0.5; -1.0;
m->do_overwrite= 2; m->do_overwrite= 2;
m->do_reassure= 0; m->do_reassure= 0;
m->drive_blacklist= NULL; m->drive_blacklist= NULL;

19
xorriso/filters.c
View File

@ -378,6 +378,25 @@ int Xorriso_set_filter(struct XorrisO *xorriso, void *in_node,
filter_ret= 1; filter_ret= 1;
} else if (internal_filter == 1 || internal_filter == 2) { } else if (internal_filter == 1 || internal_filter == 2) {
filter_ret = iso_file_add_zisofs_filter(file, 1 | (internal_filter & 2)); filter_ret = iso_file_add_zisofs_filter(file, 1 | (internal_filter & 2));
if(filter_ret == (int) ISO_ZISOFS_TOO_MANY_PTR) {
/* Remove all buffered currently unused block pointers and try again */
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret < 0)
goto ex;
if(ret > 0) {
Xorriso_msgs_submit(xorriso, 0,
"Overflow of zisofs block pointers happened.",
0, "WARNING", 0);
Xorriso_msgs_submit(xorriso, 0,
"zisofs falling back to mode which needs 3 input read runs.",
0, "WARNING", 0);
ret = iso_image_zisofs_discard_bpt(volume, 0);
if(ret <= 0)
goto ex;
filter_ret = iso_file_add_zisofs_filter(file,
1 | (internal_filter & 2));
}
}
if(filter_ret < 0) { if(filter_ret < 0) {
Xorriso_process_msg_queues(xorriso,0); Xorriso_process_msg_queues(xorriso,0);
if(!(internal_filter == 2 && filter_ret == (int) ISO_ZISOFS_WRONG_INPUT)) if(!(internal_filter == 2 && filter_ret == (int) ISO_ZISOFS_WRONG_INPUT))

21
xorriso/xorriso.1
View File

@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps .\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1) .\" other parameters are allowed: see man(7), man(1)
.TH XORRISO 1 "Version 1.5.3, Oct 21, 2020" .TH XORRISO 1 "Version 1.5.3, Oct 25, 2020"
.\" Please adjust this date whenever revising the manpage. .\" Please adjust this date whenever revising the manpage.
.\" .\"
.\" Some roff macros, for reference: .\" Some roff macros, for reference:
@ -3141,7 +3141,7 @@ pointers if block size is 32k, and 2 block pointers with block size 64k.
.br .br
bpt_target=\-1 disables this automatic block size adjustment. bpt_target=\-1 disables this automatic block size adjustment.
.br .br
"max_bpt="1k|...|128g sets the limit for the overall allocated block pointer "max_bpt="1k...128g sets the limit for the overall allocated block pointer
memory. Block pointers occupy virtual memory while a file gets uncompressed memory. Block pointers occupy virtual memory while a file gets uncompressed
and while a file, which shall be compressed, waits for ISO filesystem creation. and while a file, which shall be compressed, waits for ISO filesystem creation.
.br .br
@ -3151,22 +3151,27 @@ suffices for at most 16g of uncompressed file size. Each file consumes one end
block pointer, independently of the file size. Partially filled end blocks block pointer, independently of the file size. Partially filled end blocks
may further reduce the effective payload. may further reduce the effective payload.
.br .br
"max_bpt_f="1k|...|128g sets the limit for the memory size of the block In case of overflow of the max_bpt limit while adding compression filters
the program tries to go on by discarding all buffered block pointers of
previously added \-\-zisofs filters. From then on all newly added filters will
discard their block pointers immediately after being added.
Discarded block pointers cause an additional read and compression run of the
input file during the production of the ISO filesystem.
.br
"max_bpt_f="1k...128g sets the limit for the memory size of the block
pointer list of a single file. max_bpt_f is never larger than max_bpt. pointer list of a single file. max_bpt_f is never larger than max_bpt.
If either is set to violate this rule, the other gets set to the same value. If either is set to violate this rule, the other gets set to the same value.
If both values are the same before a change by max_bpt= or max_bpt_f=, then If both values are the same before a change by max_bpt= or max_bpt_f=, then
both limits stick together unless the limit is decreased by max_bpt_f=. both limits stick together unless the limit is decreased by max_bpt_f=.
.br .br
"bpt_free_ratio="\-1|[0.0...1.0] sets a threshold for switching to block "bpt_free_ratio="\-1|0.0...1.0 sets a threshold for switching to block
pointer discarding during compression. If less than the given fraction of the pointer discarding during compression. If less than the given fraction of the
max_bpt_f= memory is free, then block pointers of compression filters get max_bpt_f= memory is free, then block pointers of compression filters get
discarded after size assessment. This causes a third read run of the input discarded immediately after being added. Value \-1 disables this feature.
file during the production of the ISO filesystem. Value \-1 disables this
feature.
.br .br
"default" is the same as "level=6:block_size=32k:by_magic=off: "default" is the same as "level=6:block_size=32k:by_magic=off:
version_2=off:block_size_v2=128k:max_bpt=256m:max_bpt_f=256m: version_2=off:block_size_v2=128k:max_bpt=256m:max_bpt_f=256m:
bpt_free_ratio=0.5". bpt_free_ratio=\-1".
.TP .TP
\fB\-speed\fR code|number[k|m|c|d|b] \fB\-speed\fR code|number[k|m|c|d|b]
Set the burn speed. Default is "max" (or "0") = maximum speed as announced Set the burn speed. Default is "max" (or "0") = maximum speed as announced

141
xorriso/xorriso.info
View File

@ -2670,9 +2670,9 @@ according to the setting of command -acl.
has 3 block pointers if block size is 32k, and 2 block pointers has 3 block pointers if block size is 32k, and 2 block pointers
with block size 64k. with block size 64k.
bpt_target=-1 disables this automatic block size adjustment. bpt_target=-1 disables this automatic block size adjustment.
"max_bpt="1k|...|128g sets the limit for the overall allocated "max_bpt="1k...128g sets the limit for the overall allocated block
block pointer memory. Block pointers occupy virtual memory while a pointer memory. Block pointers occupy virtual memory while a file
file gets uncompressed and while a file, which shall be compressed, gets uncompressed and while a file, which shall be compressed,
waits for ISO filesystem creation. waits for ISO filesystem creation.
One pointer occupies 8 bytes of memory and governs block_size or One pointer occupies 8 bytes of memory and governs block_size or
block_size_v2 uncompressed bytes. I.e. with block size 128k, 1m block_size_v2 uncompressed bytes. I.e. with block size 128k, 1m
@ -2680,22 +2680,27 @@ according to the setting of command -acl.
file size. Each file consumes one end block pointer, independently file size. Each file consumes one end block pointer, independently
of the file size. Partially filled end blocks may further reduce of the file size. Partially filled end blocks may further reduce
the effective payload. the effective payload.
"max_bpt_f="1k|...|128g sets the limit for the memory size of the In case of overflow of the max_bpt limit while adding compression
filters the program tries to go on by discarding all buffered block
pointers of previously added -zisofs filters. From then on all
newly added filters will discard their block pointers immediately
after being added. Discarded block pointers cause an additional
read and compression run of the input file during the production of
the ISO filesystem.
"max_bpt_f="1k...128g sets the limit for the memory size of the
block pointer list of a single file. max_bpt_f is never larger block pointer list of a single file. max_bpt_f is never larger
than max_bpt. If either is set to violate this rule, the other than max_bpt. If either is set to violate this rule, the other
gets set to the same value. If both values are the same before a gets set to the same value. If both values are the same before a
change by max_bpt= or max_bpt_f=, then both limits stick together change by max_bpt= or max_bpt_f=, then both limits stick together
unless the limit is decreased by max_bpt_f=. unless the limit is decreased by max_bpt_f=.
"bpt_free_ratio="-1|[0.0...1.0] sets a threshold for switching to "bpt_free_ratio="-1|0.0...1.0 sets a threshold for switching to
block pointer discarding during compression. If less than the block pointer discarding during compression. If less than the
given fraction of the max_bpt_f= memory is free, then block given fraction of the max_bpt_f= memory is free, then block
pointers of compression filters get discarded after size pointers of compression filters get discarded immediately after
assessment. This causes a third read run of the input file during being added. Value -1 disables this feature.
the production of the ISO filesystem. Value -1 disables this
feature.
"default" is the same as "level=6:block_size=32k:by_magic=off: "default" is the same as "level=6:block_size=32k:by_magic=off:
version_2=off:block_size_v2=128k:max_bpt=256m:max_bpt_f=256m: version_2=off:block_size_v2=128k:max_bpt=256m:max_bpt_f=256m:
bpt_free_ratio=0.5". bpt_free_ratio=-1".
-speed code|number[k|m|c|d|b] -speed code|number[k|m|c|d|b]
Set the burn speed. Default is "max" (or "0") = maximum speed as Set the burn speed. Default is "max" (or "0") = maximum speed as
announced by the drive. Further special speed codes are: announced by the drive. Further special speed codes are:
@ -5500,7 +5505,7 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -chown sets ownership in ISO image: Manip. (line 43) * -chown sets ownership in ISO image: Manip. (line 43)
* -chown_r sets ownership in ISO image: Manip. (line 47) * -chown_r sets ownership in ISO image: Manip. (line 47)
* -clone copies ISO directory tree: Insert. (line 185) * -clone copies ISO directory tree: Insert. (line 185)
* -close controls media closing: SetWrite. (line 461) * -close controls media closing: SetWrite. (line 466)
* -close_damaged closes damaged track and session: Writing. (line 205) * -close_damaged closes damaged track and session: Writing. (line 205)
* -close_filter_list bans filter registration: Filter. (line 50) * -close_filter_list bans filter registration: Filter. (line 50)
* -commit writes pending ISO image: Writing. (line 27) * -commit writes pending ISO image: Writing. (line 27)
@ -5530,11 +5535,11 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -drive_access control device file locking: AqDrive. (line 72) * -drive_access control device file locking: AqDrive. (line 72)
* -drive_class controls drive accessability: AqDrive. (line 43) * -drive_class controls drive accessability: AqDrive. (line 43)
* -du show directory size in ISO image: Navigate. (line 78) * -du show directory size in ISO image: Navigate. (line 78)
* -dummy controls write simulation: SetWrite. (line 453) * -dummy controls write simulation: SetWrite. (line 458)
* -dus show directory size in ISO image: Navigate. (line 81) * -dus show directory size in ISO image: Navigate. (line 81)
* -dusx show directory size on disk: Navigate. (line 88) * -dusx show directory size on disk: Navigate. (line 88)
* -dux show directory size on disk: Navigate. (line 84) * -dux show directory size on disk: Navigate. (line 84)
* -dvd_obs set write block size: SetWrite. (line 390) * -dvd_obs set write block size: SetWrite. (line 395)
* -early_stdio_test classifies stdio drives: Loading. (line 341) * -early_stdio_test classifies stdio drives: Loading. (line 341)
* -ecma119_map names w/o Rock Ridge, Joliet: Loading. (line 229) * -ecma119_map names w/o Rock Ridge, Joliet: Loading. (line 229)
* -eject ejects drive tray: Writing. (line 50) * -eject ejects drive tray: Writing. (line 50)
@ -5554,7 +5559,7 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -follow softlinks and mount points: SetInsert. (line 69) * -follow softlinks and mount points: SetInsert. (line 69)
* -format formats media: Writing. (line 87) * -format formats media: Writing. (line 87)
* -for_backup -acl,-xattr,-hardlinks,-md5: Loading. (line 215) * -for_backup -acl,-xattr,-hardlinks,-md5: Loading. (line 215)
* -fs sets size of fifo: SetWrite. (line 456) * -fs sets size of fifo: SetWrite. (line 461)
* -getfacl shows ACL in ISO image: Navigate. (line 60) * -getfacl shows ACL in ISO image: Navigate. (line 60)
* -getfacl_r shows ACL in ISO image: Navigate. (line 66) * -getfacl_r shows ACL in ISO image: Navigate. (line 66)
* -getfattr shows xattr in ISO image: Navigate. (line 69) * -getfattr shows xattr in ISO image: Navigate. (line 69)
@ -5599,7 +5604,7 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -mark sets synchronizing message: Frontend. (line 23) * -mark sets synchronizing message: Frontend. (line 23)
* -md5 controls handling of MD5 sums: Loading. (line 184) * -md5 controls handling of MD5 sums: Loading. (line 184)
* -mkdir creates ISO directory: Insert. (line 177) * -mkdir creates ISO directory: Insert. (line 177)
* -modesty_on_drive keep drive buffer hungry: SetWrite. (line 396) * -modesty_on_drive keep drive buffer hungry: SetWrite. (line 401)
* -mount issues mount command for ISO session: Restore. (line 153) * -mount issues mount command for ISO session: Restore. (line 153)
* -mount_cmd composes mount command line: Inquiry. (line 49) * -mount_cmd composes mount command line: Inquiry. (line 49)
* -mount_cmd controls mount command: Inquiry. (line 65) * -mount_cmd controls mount command: Inquiry. (line 65)
@ -5618,7 +5623,7 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -out_charset sets output character set: SetWrite. (line 285) * -out_charset sets output character set: SetWrite. (line 285)
* -overwrite enables overwriting in ISO: SetInsert. (line 131) * -overwrite enables overwriting in ISO: SetInsert. (line 131)
* -pacifier controls pacifier text form: Emulation. (line 166) * -pacifier controls pacifier text form: Emulation. (line 166)
* -padding sets amount or mode of image padding: SetWrite. (line 484) * -padding sets amount or mode of image padding: SetWrite. (line 489)
* -page set terminal geometry: DialogCtl. (line 18) * -page set terminal geometry: DialogCtl. (line 18)
* -paste_in copies file into disk file: Restore. (line 121) * -paste_in copies file into disk file: Restore. (line 121)
* -pathspecs sets meaning of = with -add: SetInsert. (line 115) * -pathspecs sets meaning of = with -add: SetInsert. (line 115)
@ -5676,12 +5681,12 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -signal_handling controls handling of system signals: Exception. * -signal_handling controls handling of system signals: Exception.
(line 66) (line 66)
* -sleep waits for a given time span: Scripting. (line 113) * -sleep waits for a given time span: Scripting. (line 113)
* -speed set write speed: SetWrite. (line 361) * -speed set write speed: SetWrite. (line 366)
* -split_size enables large file splitting: SetInsert. (line 145) * -split_size enables large file splitting: SetInsert. (line 145)
* -status shows current settings: Scripting. (line 44) * -status shows current settings: Scripting. (line 44)
* -status_history_max curbs -status history: Scripting. (line 52) * -status_history_max curbs -status history: Scripting. (line 52)
* -stdio_sync controls stdio buffer: SetWrite. (line 446) * -stdio_sync controls stdio buffer: SetWrite. (line 451)
* -stream_recording controls defect management: SetWrite. (line 379) * -stream_recording controls defect management: SetWrite. (line 384)
* -system_id sets system id: SetWrite. (line 205) * -system_id sets system id: SetWrite. (line 205)
* -tell_media_space reports free space: Inquiry. (line 98) * -tell_media_space reports free space: Inquiry. (line 98)
* -temp_mem_limit curbs memory consumption: Scripting. (line 96) * -temp_mem_limit curbs memory consumption: Scripting. (line 96)
@ -5694,13 +5699,13 @@ File: xorriso.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: Top
* -update_l inserts paths if different <1>: Insert. (line 128) * -update_l inserts paths if different <1>: Insert. (line 128)
* -update_li inserts paths if different: Insert. (line 124) * -update_li inserts paths if different: Insert. (line 124)
* -update_r inserts paths if different: Insert. (line 110) * -update_r inserts paths if different: Insert. (line 110)
* -use_immed_bit controls use of Immed bit: SetWrite. (line 434) * -use_immed_bit controls use of Immed bit: SetWrite. (line 439)
* -use_readline enables readline for dialog: DialogCtl. (line 26) * -use_readline enables readline for dialog: DialogCtl. (line 26)
* -version prints help text: Scripting. (line 22) * -version prints help text: Scripting. (line 22)
* -volid sets volume id: SetWrite. (line 168) * -volid sets volume id: SetWrite. (line 168)
* -volset_id sets volume set id: SetWrite. (line 188) * -volset_id sets volume set id: SetWrite. (line 188)
* -volume_date sets volume timestamp: SetWrite. (line 211) * -volume_date sets volume timestamp: SetWrite. (line 211)
* -write_type chooses TAO or SAO/DAO: SetWrite. (line 477) * -write_type chooses TAO or SAO/DAO: SetWrite. (line 482)
* -x enables automatic execution order of arguments: ArgSort. (line 16) * -x enables automatic execution order of arguments: ArgSort. (line 16)
* -xattr controls handling of xattr (EA): Loading. (line 172) * -xattr controls handling of xattr (EA): Loading. (line 172)
* -zisofs controls zisofs production: SetWrite. (line 296) * -zisofs controls zisofs production: SetWrite. (line 296)
@ -5733,7 +5738,7 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
* Backup, enable features, -for_backup: Loading. (line 215) * Backup, enable features, -for_backup: Loading. (line 215)
* Backup, scdbackup checksum tag, -scdbackup: Emulation. (line 179) * Backup, scdbackup checksum tag, -scdbackup: Emulation. (line 179)
* Blank media, _definition: Media. (line 29) * Blank media, _definition: Media. (line 29)
* Blank, format, Immed bit, -use_immed_bit: SetWrite. (line 434) * Blank, format, Immed bit, -use_immed_bit: SetWrite. (line 439)
* Blind growing, _definition: Methods. (line 41) * Blind growing, _definition: Methods. (line 41)
* Bootability, control, -boot_image: Bootable. (line 75) * Bootability, control, -boot_image: Bootable. (line 75)
* Bugs, reporting: Bugreport. (line 6) * Bugs, reporting: Bugreport. (line 6)
@ -5996,26 +6001,26 @@ File: xorriso.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top
* Verify, file checksum, -check_md5: Verify. (line 184) * Verify, file checksum, -check_md5: Verify. (line 184)
* Verify, file tree checksums, -check_md5_r: Verify. (line 198) * Verify, file tree checksums, -check_md5_r: Verify. (line 198)
* Verify, preset -check_media, -check_media_defaults: Verify. (line 40) * Verify, preset -check_media, -check_media_defaults: Verify. (line 40)
* Write, block size, -dvd_obs: SetWrite. (line 390) * Write, block size, -dvd_obs: SetWrite. (line 395)
* Write, bootability, -boot_image: Bootable. (line 75) * Write, bootability, -boot_image: Bootable. (line 75)
* Write, buffer syncing, -stdio_sync: SetWrite. (line 446) * Write, buffer syncing, -stdio_sync: SetWrite. (line 451)
* Write, close media, -close: SetWrite. (line 461) * Write, close media, -close: SetWrite. (line 466)
* Write, compliance to specs, -compliance: SetWrite. (line 62) * Write, compliance to specs, -compliance: SetWrite. (line 62)
* Write, defect management, -stream_recording: SetWrite. (line 379) * Write, defect management, -stream_recording: SetWrite. (line 384)
* Write, disable Rock Ridge, -rockridge: SetWrite. (line 57) * Write, disable Rock Ridge, -rockridge: SetWrite. (line 57)
* Write, drive buffer, -modesty_on_drive: SetWrite. (line 396) * Write, drive buffer, -modesty_on_drive: SetWrite. (line 401)
* Write, enable HFS+, -hfsplus: SetWrite. (line 14) * Write, enable HFS+, -hfsplus: SetWrite. (line 14)
* Write, enable Joliet, -joliet: SetWrite. (line 10) * Write, enable Joliet, -joliet: SetWrite. (line 10)
* Write, fifo size, -fs: SetWrite. (line 456) * Write, fifo size, -fs: SetWrite. (line 461)
* Write, free space, -tell_media_space: Inquiry. (line 98) * Write, free space, -tell_media_space: Inquiry. (line 98)
* Write, log problematic disk files, -errfile_log: Scripting. (line 116) * Write, log problematic disk files, -errfile_log: Scripting. (line 116)
* Write, log written sessions, -session_log: Scripting. (line 134) * Write, log written sessions, -session_log: Scripting. (line 134)
* Write, padding image, -padding: SetWrite. (line 484) * Write, padding image, -padding: SetWrite. (line 489)
* Write, pending ISO image, -commit: Writing. (line 27) * Write, pending ISO image, -commit: Writing. (line 27)
* Write, predict image size, -print_size: Inquiry. (line 86) * Write, predict image size, -print_size: Inquiry. (line 86)
* Write, set speed, -speed: SetWrite. (line 361) * Write, set speed, -speed: SetWrite. (line 366)
* Write, simulation, -dummy: SetWrite. (line 453) * Write, simulation, -dummy: SetWrite. (line 458)
* Write, TAO or SAO/DAO, -write_type: SetWrite. (line 477) * Write, TAO or SAO/DAO, -write_type: SetWrite. (line 482)
* xattr, control handling, -xattr: Loading. (line 172) * xattr, control handling, -xattr: Loading. (line 172)
* xattr, set in ISO image, -setfattr: Manip. (line 103) * xattr, set in ISO image, -setfattr: Manip. (line 103)
* xattr, set in ISO image, -setfattr_list: Manip. (line 120) * xattr, set in ISO image, -setfattr_list: Manip. (line 120)
@ -6047,41 +6052,41 @@ Node: CmdFind88338
Node: Filter107267 Node: Filter107267
Node: Writing111889 Node: Writing111889
Node: SetWrite124144 Node: SetWrite124144
Node: Bootable152434 Node: Bootable152784
Node: Jigdo179519 Node: Jigdo179869
Node: Charset184522 Node: Charset184872
Node: Exception187851 Node: Exception188201
Node: DialogCtl193980 Node: DialogCtl194330
Node: Inquiry196582 Node: Inquiry196932
Node: Navigate205464 Node: Navigate205814
Node: Verify214171 Node: Verify214521
Node: Restore225320 Node: Restore225670
Node: Emulation234486 Node: Emulation234836
Node: Scripting244942 Node: Scripting245292
Node: Frontend252725 Node: Frontend253075
Node: Examples262351 Node: Examples262701
Node: ExDevices263529 Node: ExDevices263879
Node: ExCreate264190 Node: ExCreate264540
Node: ExDialog265490 Node: ExDialog265840
Node: ExGrowing266761 Node: ExGrowing267111
Node: ExModifying267570 Node: ExModifying267920
Node: ExBootable268080 Node: ExBootable268430
Node: ExCharset268635 Node: ExCharset268985
Node: ExPseudo269531 Node: ExPseudo269881
Node: ExCdrecord270458 Node: ExCdrecord270808
Node: ExMkisofs270778 Node: ExMkisofs271128
Node: ExGrowisofs272675 Node: ExGrowisofs273025
Node: ExException273828 Node: ExException274178
Node: ExTime274286 Node: ExTime274636
Node: ExIncBackup274744 Node: ExIncBackup275094
Node: ExRestore278770 Node: ExRestore279120
Node: ExRecovery279716 Node: ExRecovery280066
Node: Files280288 Node: Files280638
Node: Environ281622 Node: Environ281972
Node: Seealso282370 Node: Seealso282720
Node: Bugreport283087 Node: Bugreport283437
Node: Legal283678 Node: Legal284028
Node: CommandIdx284690 Node: CommandIdx285040
Node: ConceptIdx302306 Node: ConceptIdx302656
 
End Tag Table End Tag Table

21
xorriso/xorriso.texi
View File

@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps @c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1) @c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISO 1 "Version 1.5.3, Oct 21, 2020" @c man .TH XORRISO 1 "Version 1.5.3, Oct 25, 2020"
@c man .\" Please adjust this date whenever revising the manpage. @c man .\" Please adjust this date whenever revising the manpage.
@c man .\" @c man .\"
@c man .\" Some roff macros, for reference: @c man .\" Some roff macros, for reference:
@ -3654,7 +3654,7 @@ pointers if block size is 32k, and 2 block pointers with block size 64k.
@* @*
bpt_target=-1 disables this automatic block size adjustment. bpt_target=-1 disables this automatic block size adjustment.
@* @*
"max_bpt="1k|...|128g sets the limit for the overall allocated block pointer "max_bpt="1k...128g sets the limit for the overall allocated block pointer
memory. Block pointers occupy virtual memory while a file gets uncompressed memory. Block pointers occupy virtual memory while a file gets uncompressed
and while a file, which shall be compressed, waits for ISO filesystem creation. and while a file, which shall be compressed, waits for ISO filesystem creation.
@* @*
@ -3664,22 +3664,27 @@ suffices for at most 16g of uncompressed file size. Each file consumes one end
block pointer, independently of the file size. Partially filled end blocks block pointer, independently of the file size. Partially filled end blocks
may further reduce the effective payload. may further reduce the effective payload.
@* @*
"max_bpt_f="1k|...|128g sets the limit for the memory size of the block In case of overflow of the max_bpt limit while adding compression filters
the program tries to go on by discarding all buffered block pointers of
previously added --zisofs filters. From then on all newly added filters will
discard their block pointers immediately after being added.
Discarded block pointers cause an additional read and compression run of the
input file during the production of the ISO filesystem.
@*
"max_bpt_f="1k...128g sets the limit for the memory size of the block
pointer list of a single file. max_bpt_f is never larger than max_bpt. pointer list of a single file. max_bpt_f is never larger than max_bpt.
If either is set to violate this rule, the other gets set to the same value. If either is set to violate this rule, the other gets set to the same value.
If both values are the same before a change by max_bpt= or max_bpt_f=, then If both values are the same before a change by max_bpt= or max_bpt_f=, then
both limits stick together unless the limit is decreased by max_bpt_f=. both limits stick together unless the limit is decreased by max_bpt_f=.
@* @*
"bpt_free_ratio="-1|[0.0...1.0] sets a threshold for switching to block "bpt_free_ratio="-1|0.0...1.0 sets a threshold for switching to block
pointer discarding during compression. If less than the given fraction of the pointer discarding during compression. If less than the given fraction of the
max_bpt_f= memory is free, then block pointers of compression filters get max_bpt_f= memory is free, then block pointers of compression filters get
discarded after size assessment. This causes a third read run of the input discarded immediately after being added. Value -1 disables this feature.
file during the production of the ISO filesystem. Value -1 disables this
feature.
@* @*
"default" is the same as "level=6:block_size=32k:by_magic=off: "default" is the same as "level=6:block_size=32k:by_magic=off:
version_2=off:block_size_v2=128k:max_bpt=256m:max_bpt_f=256m: version_2=off:block_size_v2=128k:max_bpt=256m:max_bpt_f=256m:
bpt_free_ratio=0.5". bpt_free_ratio=-1".
@c man .TP @c man .TP
@item -speed code|number[k|m|c|d|b] @item -speed code|number[k|m|c|d|b]
@kindex -speed set write speed @kindex -speed set write speed

2
xorriso/xorriso_timestamp.h
View File

@ -1 +1 @@
#define Xorriso_timestamP "2020.10.24.121839" #define Xorriso_timestamP "2020.10.25.160005"