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Fix EC just-bitmap reads (len=0) (fixes SCHEME=ec test_snapshot.sh)

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This commit is contained in:
Vitaliy Filippov
2023-05-07 14:00:08 +03:00
parent 44f86f1999
commit 5da1d8e1b5
5 changed files with 69 additions and 35 deletions
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src/osd_primary.cpp
+15 -3
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@@ -186,10 +186,22 @@ void osd_t::continue_primary_read(osd_op_t *cur_op)
cur_op->reply.rw.bitmap_len = 0;
{
auto & pg = pgs.at({ .pool_id = INODE_POOL(op_data->oid.inode), .pg_num = op_data->pg_num });
for (int role = 0; role < op_data->pg_data_size; role++)
if (cur_op->req.rw.len == 0)
{
op_data->stripes[role].read_start = op_data->stripes[role].req_start;
op_data->stripes[role].read_end = op_data->stripes[role].req_end;
// len=0 => bitmap read
for (int role = 0; role < op_data->pg_data_size; role++)
{
op_data->stripes[role].read_start = 0;
op_data->stripes[role].read_end = UINT32_MAX;
}
}
else
{
for (int role = 0; role < op_data->pg_data_size; role++)
{
op_data->stripes[role].read_start = op_data->stripes[role].req_start;
op_data->stripes[role].read_end = op_data->stripes[role].req_end;
}
}
// Determine version
auto vo_it = pg.ver_override.find(op_data->oid);