linux/fs/ceph
Alex Elder 79528734f3 libceph: keep source rather than message osd op array
An osd request keeps a pointer to the osd operations (ops) array
that it builds in its request message.

In order to allow each op in the array to have its own distinct
data, we will need to keep track of each op's data, and that
information does not go over the wire.

As long as we're tracking the data we might as well just track the
entire (source) op definition for each of the ops.  And if we're
doing that, we'll have no more need to keep a pointer to the
wire-encoded version.

This patch makes the array of source ops be kept with the osd
request structure, and uses that instead of the version encoded in
the message in places where that was previously used.  The array
will be embedded in the request structure, and the maximum number of
ops we ever actually use is currently 2.  So reduce CEPH_OSD_MAX_OP
to 2 to reduce the size of the structure.

The result of doing this sort of ripples back up, and as a result
various function parameters and local variables become unnecessary.

Make r_num_ops be unsigned, and move the definition of struct
ceph_osd_req_op earlier to ensure it's defined where needed.

It does not yet add per-op data, that's coming soon.

This resolves:
    http://tracker.ceph.com/issues/4656

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
2013-05-01 21:18:12 -07:00
..
addr.c libceph: keep source rather than message osd op array 2013-05-01 21:18:12 -07:00
caps.c ceph: use i_release_count to indicate dir's completeness 2013-05-01 21:17:07 -07:00
ceph_frag.c ceph: factor out libceph from Ceph file system 2010-10-20 15:37:28 -07:00
debugfs.c libceph: delay debugfs initialization until we learn global_id 2012-08-20 10:03:15 -07:00
dir.c ceph: use i_release_count to indicate dir's completeness 2013-05-01 21:17:07 -07:00
export.c fs: encode_fh: return FILEID_INVALID if invalid fid_type 2013-02-26 02:46:10 -05:00
file.c libceph: keep source rather than message osd op array 2013-05-01 21:18:12 -07:00
inode.c ceph: use i_release_count to indicate dir's completeness 2013-05-01 21:17:07 -07:00
ioctl.c libceph: rename ceph_calc_object_layout() 2013-05-01 21:16:17 -07:00
ioctl.h ceph: fully initialize new layout 2012-05-16 14:28:27 -05:00
Kconfig fs/ceph: remove depends on CONFIG_EXPERIMENTAL 2013-01-11 11:39:04 -08:00
locks.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
Makefile ceph: Makefile: Remove unnessary code 2011-01-12 15:15:13 -08:00
mds_client.c libceph: wrap auth ops in wrapper functions 2013-05-01 21:17:14 -07:00
mds_client.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-02-28 17:43:09 -08:00
mdsmap.c ceph: update support for PGID64, PGPOOL3, OSDENC protocol features 2013-02-26 15:02:25 -08:00
snap.c ceph: define snap counts as u32 everywhere 2012-07-30 18:15:47 -07:00
strings.c libceph: update ceph_mds_state_name() and ceph_mds_op_name() 2013-02-18 12:20:34 -06:00
super.c ceph: set up page array mempool with correct size 2013-05-01 21:17:50 -07:00
super.h ceph: use i_release_count to indicate dir's completeness 2013-05-01 21:17:07 -07:00
xattr.c ceph: eliminate sparse warnings in fs code 2013-02-25 15:37:14 -06:00