forked from vitalif/vitastor
Enable chained reads in the client
parent
38a3df4a0e
commit
5f5b6ef150
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@ -586,11 +586,16 @@ resume_3:
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{
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// Check parent inode
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auto ino_it = st_cli.inode_config.find(op->cur_inode);
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while (ino_it != st_cli.inode_config.end() && ino_it->second.parent_id &&
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INODE_POOL(ino_it->second.parent_id) == INODE_POOL(op->cur_inode))
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{
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// Skip parents from the same pool
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ino_it = st_cli.inode_config.find(ino_it->second.parent_id);
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}
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if (ino_it != st_cli.inode_config.end() &&
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ino_it->second.parent_id)
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{
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// Continue reading from the parent inode
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// FIXME: This obviously requires optimizations for long snapshot chains
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op->cur_inode = ino_it->second.parent_id;
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op->parts.clear();
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op->done_count = 0;
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@ -799,6 +804,10 @@ bool cluster_client_t::try_send(cluster_op_t *op, int i)
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uint64_t pg_bitmap_size = bs_bitmap_size * (
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pool_cfg.scheme == POOL_SCHEME_REPLICATED ? 1 : pool_cfg.pg_size-pool_cfg.parity_chunks
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);
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uint64_t meta_rev = 0;
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auto ino_it = st_cli.inode_config.find(op->inode);
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if (ino_it != st_cli.inode_config.end())
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meta_rev = ino_it->second.mod_revision;
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part->op = (osd_op_t){
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.op_type = OSD_OP_OUT,
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.peer_fd = peer_fd,
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@ -811,7 +820,7 @@ bool cluster_client_t::try_send(cluster_op_t *op, int i)
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.inode = op->cur_inode,
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.offset = part->offset,
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.len = part->len,
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.meta_revision = 0,
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.meta_revision = meta_rev,
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} },
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.bitmap = op->opcode == OSD_OP_WRITE ? NULL : op->part_bitmaps + pg_bitmap_size*i,
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.bitmap_len = (unsigned)(op->opcode == OSD_OP_WRITE ? 0 : pg_bitmap_size),
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