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| author | Ilya Dryomov <idryomov@gmail.com> | 2020-05-29 20:31:37 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-06-01 23:32:35 +0200 |
| commit | d3798acc094c8ff2406e9acc7a9b2c09da994616 (patch) | |
| tree | 5ada40171a9d15868733c648b3fe6825e045fd07 /net/ceph | |
| parent | 8ad44d5e0d1eda7e4a0ed382174888476dc81789 (diff) | |
| download | lwn-d3798acc094c8ff2406e9acc7a9b2c09da994616.tar.gz lwn-d3798acc094c8ff2406e9acc7a9b2c09da994616.zip | |
libceph: support for alloc hint flags
Allow indicating future I/O pattern via flags. This is supported since
Kraken (and bluestore persists flags together with expected_object_size
and expected_write_size).
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osd_client.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 22733e844be1..4fea3c33af2a 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -932,10 +932,14 @@ static void osd_req_op_watch_init(struct ceph_osd_request *req, int which, op->watch.gen = 0; } +/* + * @flags: CEPH_OSD_OP_ALLOC_HINT_FLAG_* + */ void osd_req_op_alloc_hint_init(struct ceph_osd_request *osd_req, unsigned int which, u64 expected_object_size, - u64 expected_write_size) + u64 expected_write_size, + u32 flags) { struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which, CEPH_OSD_OP_SETALLOCHINT, @@ -943,6 +947,7 @@ void osd_req_op_alloc_hint_init(struct ceph_osd_request *osd_req, op->alloc_hint.expected_object_size = expected_object_size; op->alloc_hint.expected_write_size = expected_write_size; + op->alloc_hint.flags = flags; /* * CEPH_OSD_OP_SETALLOCHINT op is advisory and therefore deemed @@ -1018,6 +1023,7 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst, cpu_to_le64(src->alloc_hint.expected_object_size); dst->alloc_hint.expected_write_size = cpu_to_le64(src->alloc_hint.expected_write_size); + dst->alloc_hint.flags = cpu_to_le32(src->alloc_hint.flags); break; case CEPH_OSD_OP_SETXATTR: case CEPH_OSD_OP_CMPXATTR: |