diff options
Diffstat (limited to 'hurd/libstore')
-rw-r--r-- | hurd/libstore/bunzip2_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/concat_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/copy_store.mdwn | 25 | ||||
-rw-r--r-- | hurd/libstore/device_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/examples/ramdisk.mdwn | 32 | ||||
-rw-r--r-- | hurd/libstore/file_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/gunzip_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/ileave_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/nbd_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/part.mdwn | 26 | ||||
-rw-r--r-- | hurd/libstore/query_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/remap_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/task_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/typed_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/url_store.mdwn | 12 | ||||
-rw-r--r-- | hurd/libstore/zero_store.mdwn | 19 |
16 files changed, 246 insertions, 0 deletions
diff --git a/hurd/libstore/bunzip2_store.mdwn b/hurd/libstore/bunzip2_store.mdwn new file mode 100644 index 00000000..bd5fc914 --- /dev/null +++ b/hurd/libstore/bunzip2_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="bunzip2 store: bunzip2 data on the fly"]] diff --git a/hurd/libstore/concat_store.mdwn b/hurd/libstore/concat_store.mdwn new file mode 100644 index 00000000..1d3a895a --- /dev/null +++ b/hurd/libstore/concat_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="concat store: concatenate"]] diff --git a/hurd/libstore/copy_store.mdwn b/hurd/libstore/copy_store.mdwn new file mode 100644 index 00000000..5df5d220 --- /dev/null +++ b/hurd/libstore/copy_store.mdwn @@ -0,0 +1,25 @@ +[[!meta copyright="Copyright © 2000, 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="copy store: copy-on-write; discard changes on termination"]] + +A *copy* store is meaningful only with respect to a child store. What a *copy* +store does is to read the child store's entire contents into memory at startup +time and then use that buffer as the contents of the store thereafter. (The +code for this is in `libstore/copy.c`.) + +Because of how the interfaces are specified, reading the entire contents of a +[[*zero* store|zero store]] in fact means just `vm_allocate`ing fresh memory. +So, a *copy* store based on a [[*zero* store|zero store]] is just what you'd +get from `vm_allocate`ing some memory and passing it into +`store_buffer_create`. + +See a [[ramdisk example|examples/ramdisk]]. diff --git a/hurd/libstore/device_store.mdwn b/hurd/libstore/device_store.mdwn new file mode 100644 index 00000000..4b97f8cc --- /dev/null +++ b/hurd/libstore/device_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="device store: Mach device access"]] diff --git a/hurd/libstore/examples/ramdisk.mdwn b/hurd/libstore/examples/ramdisk.mdwn new file mode 100644 index 00000000..33d33601 --- /dev/null +++ b/hurd/libstore/examples/ramdisk.mdwn @@ -0,0 +1,32 @@ +[[!meta copyright="Copyright © 2009 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + + $ settrans --create --active ramdisk0 /hurd/storeio -T copy zero:32M + $ mkfs.ext2 -F -b 4096 ramdisk0 + [...] + $ settrans --active --orphan ramdisk0 /hurd/ext2fs.static ramdisk0 + $ df -h ramdisk0/ + df: Warning: cannot read table of mounted file systems + Filesystem Size Used Avail Use% Mounted on + - 32M 1.1M 30M 4% /media/data/home/tschwinge/ramdisk0 + +This uses [[settrans]] and [[storeio]] to create a ramdisk of 32 MiB by routing +a thusly sized [[zero store]] through the [[copy store]], connecting +that to the `ramdisk0` node, create a `ext2` filesystem on it, and replace the +translator running on the `ramdisk0` node with a instance of the [[`ext2fs` +translator|translator/ext2fs]] running on the same node ([[translator +stacking|translator/stacking]]). + +It is a [[!taglink open_issue_hurd]] why this does only work with +`ext2fs.static`, but not the dynamically linked `ext2fs` (`settrans: +/hurd/ext2fs: Translator died`). + +A (better) alternative would be using the [[`tmpfs` +translator|translator/tmpfs]], but that one is broken at the moment. diff --git a/hurd/libstore/file_store.mdwn b/hurd/libstore/file_store.mdwn new file mode 100644 index 00000000..5e9f6822 --- /dev/null +++ b/hurd/libstore/file_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="file store: use a file as a kind of block device"]] diff --git a/hurd/libstore/gunzip_store.mdwn b/hurd/libstore/gunzip_store.mdwn new file mode 100644 index 00000000..25fca4bf --- /dev/null +++ b/hurd/libstore/gunzip_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="gunzip store: gunzip data on the fly"]] diff --git a/hurd/libstore/ileave_store.mdwn b/hurd/libstore/ileave_store.mdwn new file mode 100644 index 00000000..29b51b72 --- /dev/null +++ b/hurd/libstore/ileave_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="ileave store: interleave store (striping)"]] diff --git a/hurd/libstore/nbd_store.mdwn b/hurd/libstore/nbd_store.mdwn new file mode 100644 index 00000000..5874b162 --- /dev/null +++ b/hurd/libstore/nbd_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="nbd store: Linux-compatible network block device"]] diff --git a/hurd/libstore/part.mdwn b/hurd/libstore/part.mdwn new file mode 100644 index 00000000..5d727ad8 --- /dev/null +++ b/hurd/libstore/part.mdwn @@ -0,0 +1,26 @@ +[[!meta copyright="Copyright © 2010 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="part store"]] + +`part.c` + +Written by Neal in 2001, 2002. + +Useful if the microkernel / [[DDE]] / [[microkernel/mach/gnumach/ports/Xen]] +doesn't export *partition devices*, but only *raw* devices. + +Neal: + +> The motivation was to be able to evict the partitioning logic from Mach. + +--- + +TODO: How to use, etc. diff --git a/hurd/libstore/query_store.mdwn b/hurd/libstore/query_store.mdwn new file mode 100644 index 00000000..9ebf8e47 --- /dev/null +++ b/hurd/libstore/query_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="query store"]] diff --git a/hurd/libstore/remap_store.mdwn b/hurd/libstore/remap_store.mdwn new file mode 100644 index 00000000..158ffe95 --- /dev/null +++ b/hurd/libstore/remap_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="remap store"]] diff --git a/hurd/libstore/task_store.mdwn b/hurd/libstore/task_store.mdwn new file mode 100644 index 00000000..e4426639 --- /dev/null +++ b/hurd/libstore/task_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="task store: Mach task store backend"]] diff --git a/hurd/libstore/typed_store.mdwn b/hurd/libstore/typed_store.mdwn new file mode 100644 index 00000000..e71ff67f --- /dev/null +++ b/hurd/libstore/typed_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="typed store: chainable stores"]] diff --git a/hurd/libstore/url_store.mdwn b/hurd/libstore/url_store.mdwn new file mode 100644 index 00000000..17a24e97 --- /dev/null +++ b/hurd/libstore/url_store.mdwn @@ -0,0 +1,12 @@ +[[!meta copyright="Copyright © 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="url store: typed store with URL syntax"]] diff --git a/hurd/libstore/zero_store.mdwn b/hurd/libstore/zero_store.mdwn new file mode 100644 index 00000000..4c53ab56 --- /dev/null +++ b/hurd/libstore/zero_store.mdwn @@ -0,0 +1,19 @@ +[[!meta copyright="Copyright © 2000, 2007, 2008, 2009 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="zero store: empty block device"]] + +A *zero* store is what `/dev/zero` is (always reads zeros), the setting on +`/dev/zero` gives no name (i.e. size) and the default size is the maximum +possible. The only meaning of the size of a *zero* is what `st_size` will +report and what offsets it will let you try to read or write from--there is +never any data associated with a *zero* store. (The code for this is in +`libstore/zero.c`.) |