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Hints about -hardlinks and file content filtering

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This commit is contained in:
Thomas Schmitt 2009-08-03 10:20:03 +00:00
parent d69de85874
commit e17765578a
1 changed files with 7 additions and 4 deletions
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libisoburn/trunk/xorriso/xorriso.1
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@ -2,7 +2,7 @@
.\" 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 "Jul 22, 2009" .TH XORRISO 1 "Aug 03, 2009"
.\" 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:
@ -691,7 +691,8 @@ system.
Commands -update and -update_r track splits and fusions of hard links in Commands -update and -update_r track splits and fusions of hard links in
filesystems which have stable device and inode numbers. This can cause filesystems which have stable device and inode numbers. This can cause
automatic last minute changes before the session gets written. Command automatic last minute changes before the session gets written. Command
-hardlinks "perform_update" may be used to do these changes earlier. -hardlinks "perform_update" may be used to do these changes earlier,
e.g. if you need to apply filters to all updated files.
.br .br
Mode "without_update" avoids hardlink processing during update commands. Mode "without_update" avoids hardlink processing during update commands.
.br .br
@ -3380,9 +3381,11 @@ the old one.
This makes sense if the full backup leaves substantial remaining capacity This makes sense if the full backup leaves substantial remaining capacity
on media and if the expected changes are much smaller than the full backup. on media and if the expected changes are much smaller than the full backup.
To apply zisofs compression to those data files which get newly copied from To apply zisofs compression to those data files which get newly copied from
the local filesystem, perform immediately before -commit : the local filesystem, insert these options immediately before -commit :
.br .br
-find / -type f -pending_data -exec set_filter --zisofs -- -hardlinks perform_update \\
.br
-find / -type f -pending_data -exec set_filter --zisofs -- \\
.br .br
Option -disk_dev_ino depends on stable device and inode numbers on disk. Option -disk_dev_ino depends on stable device and inode numbers on disk.
Without it, an update run will probably save no time but last longer than Without it, an update run will probably save no time but last longer than