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libceph: start using oloc abstraction

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Instead of relying on pool fields in ceph_file_layout (for mapping) and
ceph_pg (for enconding), start using ceph_object_locator (oloc)
abstraction.  Note that userspace oloc currently consists of pool, key,
nspace and hash fields, while this one contains only a pool.  This is
OK, because at this point we only send (i.e. encode) olocs and never
have to receive (i.e. decode) them.

This makes keeping a copy of ceph_file_layout in every osd request
unnecessary, so ceph_osd_request::r_file_layout field is nuked.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Ilya Dryomov 2014-01-27 17:40:18 +02:00
parent 0b4af2e8c9
commit 22116525ba
4 changed files with 12 additions and 10 deletions
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3
include/linux/ceph/osd_client.h
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@ -159,12 +159,13 @@ struct ceph_osd_request {
struct inode *r_inode; /* for use by callbacks */
void *r_priv; /* ditto */
struct ceph_object_locator r_oloc;
char r_oid[MAX_OBJ_NAME_SIZE]; /* object name */
int r_oid_len;
u64 r_snapid;
unsigned long r_stamp; /* send OR check time */
struct ceph_file_layout r_file_layout;
struct ceph_snap_context *r_snapc; /* snap context for writes */
};