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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

Browse source 
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
  ...
This commit is contained in:
Linus Torvalds 2012-05-30 11:17:19 -07:00
commit af56e0aa35
23 changed files with 373 additions and 450 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/linux/ceph/decode.h
View file

@ -46,9 +46,14 @@ static inline void ceph_decode_copy(void **p, void *pv, size_t n)
/*
* bounds check input.
*/
static inline int ceph_has_room(void **p, void *end, size_t n)
{
return end >= *p && n <= end - *p;
}
#define ceph_decode_need(p, end, n, bad) \
do { \
if (unlikely(*(p) + (n) > (end))) \
if (!likely(ceph_has_room(p, end, n))) \
goto bad; \
} while (0)
@ -167,7 +172,7 @@ static inline void ceph_encode_string(void **p, void *end,
#define ceph_encode_need(p, end, n, bad) \
do { \
if (unlikely(*(p) + (n) > (end))) \
if (!likely(ceph_has_room(p, end, n))) \
goto bad; \
} while (0)