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odb: add transaction interface

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Transactions are managed via the {begin,end}_odb_transaction() function
in the object-file subsystem and its implementation is specific to the
files object source. Introduce odb_transaction_{begin,commit}() in the
odb subsystem to provide an eventual object source agnostic means to
manage transactions.

Update call sites to instead manage transactions through the odb
subsystem. Also rename {begin,end}_odb_transaction() functions to
object_file_transaction_{begin,commit}() to clarify the object source it
supports.

Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Justin Tobler
2025-09-16 13:29:38 -05:00
committed by Junio C Hamano
parent ed0f5f93e9
commit ce1661f9da
9 changed files with 46 additions and 19 deletions
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4
cache-tree.c
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@@ -489,10 +489,10 @@ int cache_tree_update(struct index_state *istate, int flags)
trace_performance_enter();
trace2_region_enter("cache_tree", "update", the_repository);
transaction = begin_odb_transaction(the_repository->objects);
transaction = odb_transaction_begin(the_repository->objects);
i = update_one(istate->cache_tree, istate->cache, istate->cache_nr,
"", 0, &skip, flags);
end_odb_transaction(transaction);
odb_transaction_commit(transaction);
trace2_region_leave("cache_tree", "update", the_repository);
trace_performance_leave("cache_tree_update");
if (i < 0)