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* libceph: support crush tunablesSage Weil2012-07-311-6/+7
| | | | | | | | | | | | | The server side recently added support for tuning some magic crush variables. Decode these variables if they are present, or use the default values if they are not present. Corresponds to ceph.git commit 89af369c25f274fe62ef730e5e8aad0c54f1e5a5. Signed-off-by: caleb miles <caleb.miles@inktank.com> Reviewed-by: Sage Weil <sage@inktank.com> Reviewed-by: Alex Elder <elder@inktank.com> Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds2012-05-302-108/+55
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ceph updates from Sage Weil: "There are some updates and cleanups to the CRUSH placement code, a bug fix with incremental maps, several cleanups and fixes from Josh Durgin in the RBD block device code, a series of cleanups and bug fixes from Alex Elder in the messenger code, and some miscellaneous bounds checking and gfp cleanups/fixes." Fix up trivial conflicts in net/ceph/{messenger.c,osdmap.c} due to the networking people preferring "unsigned int" over just "unsigned". * git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (45 commits) libceph: fix pg_temp updates libceph: avoid unregistering osd request when not registered ceph: add auth buf in prepare_write_connect() ceph: rename prepare_connect_authorizer() ceph: return pointer from prepare_connect_authorizer() ceph: use info returned by get_authorizer ceph: have get_authorizer methods return pointers ceph: ensure auth ops are defined before use ceph: messenger: reduce args to create_authorizer ceph: define ceph_auth_handshake type ceph: messenger: check return from get_authorizer ceph: messenger: rework prepare_connect_authorizer() ceph: messenger: check prepare_write_connect() result ceph: don't set WRITE_PENDING too early ceph: drop msgr argument from prepare_write_connect() ceph: messenger: send banner in process_connect() ceph: messenger: reset connection kvec caller libceph: don't reset kvec in prepare_write_banner() ceph: ignore preferred_osd field ceph: fully initialize new layout ...
| * crush: fix memory leak when destroying tree bucketsSage Weil2012-05-081-0/+2
| | | | | | | | | | | | | | | | Reflects ceph.git commit 46d63d98434b3bc9dad2fc9ab23cbaedc3bcb0e4. Reported-by: Alexander Lyakas <alex.bolshoy@gmail.com> Reviewed-by: Alex Elder <elder@inktank.com> Signed-off-by: Sage Weil <sage@inktank.com>
| * crush: fix tree node weight lookupSage Weil2012-05-081-3/+1
| | | | | | | | | | | | | | | | | | Fix the node weight lookup for tree buckets by using a correct accessor. Reflects ceph.git commit d287ade5bcbdca82a3aef145b92924cf1e856733. Reviewed-by: Alex Elder <elder@inktank.com> Signed-off-by: Sage Weil <sage@inktank.com>
| * crush: remove parent mapsSage Weil2012-05-081-25/+0
| | | | | | | | | | | | | | | | | | These were used for the ill-fated forcefeed feature. Remove them. Reflects ceph.git commit ebdf80edfecfbd5a842b71fbe5732857994380c1. Reviewed-by: Alex Elder <elder@inktank.com> Signed-off-by: Sage Weil <sage@inktank.com>
| * crush: remove forcefeed functionalitySage Weil2012-05-081-47/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
| * crush: use a temporary variable to simplify crush_do_ruleSage Weil2012-05-081-9/+11
| | | | | | | | | | | | | | | | | | | | Use a temporary variable here to avoid repeated array lookups and clean up the code a bit. This reflects ceph.git commit 6b5be27634ad307b471a5bf0db85c4f5c834885f. Reviewed-by: Alex Elder <elder@inktank.com> Signed-off-by: Sage Weil <sage@inktank.com>
| * crush: be more tolerant of nonsensical crush mapsSage Weil2012-05-081-9/+24
| | | | | | | | | | | | | | | | | | | | If we get a map that doesn't make sense, error out or ignore the badness instead of BUGging out. This reflects the ceph.git commits 9895f0bff7dc68e9b49b572613d242315fb11b6c and 8ded26472058d5205803f244c2f33cb6cb10de79. Reviewed-by: Alex Elder <elder@inktank.com> Signed-off-by: Sage Weil <sage@inktank.com>
| * crush: adjust local retry thresholdSage Weil2012-05-081-1/+1
| | | | | | | | | | | | | | | | | | This small adjustment reflects a change that was made in ceph.git commit af6a9f30696c900a2a8bd7ae24e8ed15fb4964bb, about 6 months ago. An N-1 search is not exhaustive. Fixed ceph.git bug #1594. Reviewed-by: Alex Elder <elder@inktank.com> Signed-off-by: Sage Weil <sage@inktank.com>
| * crush: clean up types, const-nessSage Weil2012-05-082-19/+20
| | | | | | | | | | | | | | | | | | | | | | 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>
* | crush: include header for global symbolshartleys2012-04-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Include the header to pickup the definitions of the global symbols. Quiets the following sparse warnings: warning: symbol 'crush_find_rule' was not declared. Should it be static? warning: symbol 'crush_do_rule' was not declared. Should it be static? Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Sage Weil <sage@newdream.net> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: cleanup unsigned to unsigned intEric Dumazet2012-04-151-4/+4
|/ | | | | | | Use of "unsigned int" is preferred to bare "unsigned" in net tree. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* crush: fix force for non-root TAKESage Weil2012-01-101-3/+8
| | | | Signed-off-by: Sage Weil <sage@newdream.net>
* crush: fix mapping calculation when force argument doesn't existSage Weil2011-12-121-22/+13
| | | | | | | If the force argument isn't valid, we should continue calculating a mapping as if it weren't specified. Signed-off-by: Sage Weil <sage@newdream.net>
* ceph: factor out libceph from Ceph file systemYehuda Sadeh2010-10-213-0/+909
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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