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Ceph is a distributed object, block, and file storage platform
c1e8d37dec
This is more or less equivalent to the linux kernel list_head: each embedded item struct has only a next and prev pointer. As long as the same member item is always used, at a fixed offset from the containing class, we can go from an item to a contained class. The offset can either be passed to the list (head) constructor, or to the begin(), front(), back() members explicitly. Iterator has 3 modes.. current (list_for_each), cache_next (list_for_each_safe), and magic (uses cached next iff current is empty). Magic will work most of the time... as long as we don't re-add ourselves to a different list inside the iterator loop. (Note that if we do, we will iterator up to the other list's head, not detect it is a head, an get an invalid pointer and crash.) elist: add to makefile elist: require offset for cosntructor elist: fix pop_front/back |
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| debian | ||
| fusetrace | ||
| man | ||
| qa | ||
| src | ||
| web | ||
| wireshark | ||
| .gitignore | ||
| AUTHORS | ||
| autogen.sh | ||
| builddebs.sh | ||
| ceph.spec.in | ||
| ChangeLog | ||
| configure.ac | ||
| COPYING | ||
| INSTALL | ||
| Makefile.am | ||
| NEWS | ||
| publish.sh | ||
| pull.sh | ||
| push.sh | ||
| README | ||
| RELEASE_CHECKLIST | ||
| release.sh | ||
| sign.sh | ||
Ceph - a scalable distributed file system
-----------------------------------------
Please see http://ceph.newdream.net/ for current info.
----
To build the Linux kernel client,
$ cd src/kernel
$ make
or
$ make KERNELDIR=/path/to/linux
$ insmod ceph.ko
$ mount -t ceph 1.2.3.4:/ /mnt/ceph
...
----
To build the server daemons, and FUSE client,
$ ./autogen.sh
$ ./configure
$ cd src
$ make
(Note that the FUSE client will only be built if libfuse is present.)
----
A quick summary of binaries that will be built in src/
daemons:
cmon -- monitor daemon. handles cluster state and configuration
information.
cosd -- storage daemon. stores objects on a given block device.
cmds -- metadata daemon. handles file system namespace.
cmonctl -- send commands to the monitor cluster.
userland clients:
cfuse -- fuse client.
csyn -- synthetic workload generator client.
tools:
mkmonfs -- create a fresh monfs (for a new filesystem)
monmaptool -- create/edit mon map
osdmaptool -- create/edit osd map
crushtool -- create/edit crush map
dupstore -- duplicate an osd object store (offline)
development/debugging:
fakesyn -- simulator with synthetic workload
fakefuse -- simulator that mounts with fuse
----
see also src/README