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Much like Arlo Guthrie, I decided that one big pile is better than two
little piles.
Reflects ceph.git commit 95c2df6c7e0b22d2ea9d91db500cf8b9441c73ba.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Then add it to the working state. It would be very nice if we didn't
have to take a lock to calculate a crush placement. By moving the
permutation array into the working data, we can treat the CRUSH map as
immutable.
Reflects ceph.git commit cbcd039651c0569551cb90d26ce27e1432671f2a.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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.. up to ceph.git commit 1db1abc8328d ("crush: eliminate ad hoc diff
between kernel and userspace"). This fixes a bunch of recently pulled
coding style issues and makes includes a bit cleaner.
A patch "crush:Make the function crush_ln static" from Nicholas Krause
<xerofoify@gmail.com> is folded in as crush_ln() has been made static
in userspace as well.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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This is only present to size the temporary scratch arrays that we put on
the stack. Let the caller allocate them as they wish and remove the
limitation.
Reflects ceph.git commit 1cfe140bf2dab99517589a82a916f4c75b9492d1.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
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Pass the size of the weight vector into crush_do_rule() to ensure that we
don't access values past the end. This can happen if the caller misbehaves
and passes a weight vector that is smaller than max_devices.
Currently the monitor tries to prevent that from happening, but this will
gracefully tolerate previous bad osdmaps that got into this state. It's
also a bit more defensive.
Reflects ceph.git commit 5922e2c2b8335b5e46c9504349c3a55b7434c01a.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
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system headers
Convert #include "..." to #include <path/...> in kernel system headers.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
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Remove forcefeed functionality from CRUSH. This is an ugly misfeature that
is mostly useless and unused. Remove it.
Reflects ceph.git commit ed974b5000f2851207d860a651809af4a1867942.
Reviewed-by: Alex Elder <elder@inktank.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Conflicts:
net/ceph/crush/mapper.c
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Move various types from int -> __u32 (or similar), and add const as
appropriate.
This reflects changes that have been present in the userland implementation
for some time.
Reviewed-by: Alex Elder <elder@inktank.com>
Signed-off-by: Sage Weil <sage@inktank.com>
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This factors out protocol and low-level storage parts of ceph into a
separate libceph module living in net/ceph and include/linux/ceph. This
is mostly a matter of moving files around. However, a few key pieces
of the interface change as well:
- ceph_client becomes ceph_fs_client and ceph_client, where the latter
captures the mon and osd clients, and the fs_client gets the mds client
and file system specific pieces.
- Mount option parsing and debugfs setup is correspondingly broken into
two pieces.
- The mon client gets a generic handler callback for otherwise unknown
messages (mds map, in this case).
- The basic supported/required feature bits can be expanded (and are by
ceph_fs_client).
No functional change, aside from some subtle error handling cases that got
cleaned up in the refactoring process.
Signed-off-by: Sage Weil <sage@newdream.net>
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