New version

[rrq/fusefile.git] / fusefile.8

diff --git a/fusefile.8 b/fusefile.8
index 6af36f49202ba1dc85f3e20690e54d8646ab0582..b952f5574075e2ae9b0df699ead855873618a772 100644 (file)
--- a/fusefile.8
+++ b/fusefile.8
@@ -8,6 +8,8 @@ fusefile, fusedisk \- FUSE file mount for combining file fragments
 .br
 .B fusefile \fB-dump\fR \fR[\fIfuse-opts\fR] \fBmountpoint\fR \fR[\fIoverlay\fR] \fIfilename/from-to\fR ...
 .br
 .br
 .B fusefile \fB-dump\fR \fR[\fIfuse-opts\fR] \fBmountpoint\fR \fR[\fIoverlay\fR] \fIfilename/from-to\fR ...
 .br

+.B fusefile \fB-push\fR \fR[\fIfuse-opts\fR] \fBmountpoint\fR \fR[\fIoverlay\fR] \fIfilename/from-to\fR ...
+.br

 .B fusedisk \fR[\fIfuse-opts\fR] \fBmountpoint\fR \fR[\fIoverlay\fR] \fIfilename/from-to\fR ...
 
 .SH DESCRIPTION
 .B fusedisk \fR[\fIfuse-opts\fR] \fBmountpoint\fR \fR[\fIoverlay\fR] \fIfilename/from-to\fR ...
 
 .SH DESCRIPTION


@@ -31,14 +33,25 @@ any new written fused file regions followed by meta data to
 distinguish between new, written content and old content that comes
 from the fragments.
 
 distinguish between new, written content and old content that comes
 from the fragments.
 

+By instead using the \fB-overlay:\fIlist\fR argument where \fIlist\fR
+is a colon-separated list of filenames, \fBfusefile\fR will use those
+as an ordered stack of overlays and "inject" them as fragments on top
+of each other.
+

 The option \fB-dump\fR as first argument together with a fusefile
 setup will print the setup to standard output rather than establishing
 The option \fB-dump\fR as first argument together with a fusefile
 setup will print the setup to standard output rather than establishing

-a fusefile mount. This is of most use with a prior overlay setup,
-where then the printout includes the portions of updates that have
-been captured in the overlay. The printout is the series of fusefile
+a fusefile mount. This is of most use with a prior overlay setup where
+then the printout includes the portions of updates that have been
+captured in the overlay. The printout is the series of fusefile

 fragment argments to give in order to intersperse the captured overlay
 portions according to the overlay table.
 
 fragment argments to give in order to intersperse the captured overlay
 portions according to the overlay table.
 

+The option \fB-push\fR as first argument together with a fusefile
+setup will push the overlay into the sources (except for
+write-protected fragments). This is only of use with a prior overlay
+setup where then the updates that have been captured in the overlay
+get pushed into the fragments.
+

 \fBfusedisk\fR is a helper script to set up a \fBfusefile\fR as a
 block device (via \fIfuseblk\fR) by using the device mapper
 (\fBdmsetup\fR) to manage an empty block device mapping where content
 \fBfusedisk\fR is a helper script to set up a \fBfusefile\fR as a
 block device (via \fIfuseblk\fR) by using the device mapper
 (\fBdmsetup\fR) to manage an empty block device mapping where content