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jbd2: refactor wait logic for transaction updates into a common function

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No functionality change as such in this patch. This only refactors the
common piece of code which waits for t_updates to finish into a common
function named as jbd2_journal_wait_updates(journal_t *)

Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/8c564f70f4b2591171677a2a74fccb22a7b6c3a4.1642416995.git.riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Ritesh Harjani
2022-01-17 17:41:51 +05:30
committed by Theodore Ts'o
parent 3ca40c0d32
commit 4f98186848
3 changed files with 38 additions and 38 deletions
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19
fs/jbd2/commit.c
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@@ -484,22 +484,9 @@ void jbd2_journal_commit_transaction(journal_t *journal)
stats.run.rs_running = jbd2_time_diff(commit_transaction->t_start,
stats.run.rs_locked);
spin_lock(&commit_transaction->t_handle_lock);
while (atomic_read(&commit_transaction->t_updates)) {
DEFINE_WAIT(wait);
// waits for any t_updates to finish
jbd2_journal_wait_updates(journal);
prepare_to_wait(&journal->j_wait_updates, &wait,
TASK_UNINTERRUPTIBLE);
if (atomic_read(&commit_transaction->t_updates)) {
spin_unlock(&commit_transaction->t_handle_lock);
write_unlock(&journal->j_state_lock);
schedule();
write_lock(&journal->j_state_lock);
spin_lock(&commit_transaction->t_handle_lock);
}
finish_wait(&journal->j_wait_updates, &wait);
}
spin_unlock(&commit_transaction->t_handle_lock);
commit_transaction->t_state = T_SWITCH;
write_unlock(&journal->j_state_lock);
@@ -817,7 +804,7 @@ start_journal_io:
commit_transaction->t_state = T_COMMIT_DFLUSH;
write_unlock(&journal->j_state_lock);
/*
/*
* If the journal is not located on the file system device,
* then we must flush the file system device before we issue
* the commit record