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jbd2: Remove t_handle_lock from start_this_handle()

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This should remove the last exclusive lock from start_this_handle(),
so that we should now be able to start multiple transactions at the
same time on large SMP systems.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2010-08-03 21:38:29 -04:00
parent a931da6ac9
commit 8dd420466c
3 changed files with 25 additions and 13 deletions
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3
fs/jbd2/commit.c
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@ -1004,7 +1004,8 @@ restart_loop:
* File the transaction statistics
*/
stats.ts_tid = commit_transaction->t_tid;
stats.run.rs_handle_count = commit_transaction->t_handle_count;
stats.run.rs_handle_count =
atomic_read(&commit_transaction->t_handle_count);
trace_jbd2_run_stats(journal->j_fs_dev->bd_dev,
commit_transaction->t_tid, &stats.run);