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osd: add FULL_TRY and FULL_FORCE rados op flags

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FULL_TRY = try to do the op; ENOSPC if it results in a net increase is
space.  client must cope.

FULL_FORCE = do the op even if it consumes space.  The MDS will use this.
We should restrict this based on the OSD cap (* vs w, probably).

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2015-09-24 18:40:51 -04:00
parent 6f11b82f30
commit 95055e70ff
2 changed files with 4 additions and 0 deletions
src
include
rados.h
osd
osd_types.cc

2
src/include/rados.h
View File

@ -398,6 +398,8 @@ enum {
pool uses pool snaps */
CEPH_OSD_FLAG_REDIRECTED = 0x200000, /* op has been redirected */
CEPH_OSD_FLAG_KNOWN_REDIR = 0x400000, /* redirect bit is authoritative */
CEPH_OSD_FLAG_FULL_TRY = 0x800000, /* try op despite full flag */
CEPH_OSD_FLAG_FULL_FORCE = 0x1000000, /* force op despite full flag */
};
enum {

2
src/osd/osd_types.cc
View File

@ -50,6 +50,8 @@ const char *ceph_osd_flag_name(unsigned flag)
case CEPH_OSD_FLAG_ENFORCE_SNAPC: return "enforce_snapc";
case CEPH_OSD_FLAG_REDIRECTED: return "redirected";
case CEPH_OSD_FLAG_KNOWN_REDIR: return "known_if_redirected";
case CEPH_OSD_FLAG_FULL_TRY: return "full_try";
case CEPH_OSD_FLAG_FULL_FORCE: return "full_force";
default: return "???";
}
}