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Btrfs: don't wait around for new log writers on an SSD

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Waiting on spindles improves performance, but ssds want all the
IO as quickly as we can push it down.

Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Chris Mason 2012-07-23 15:23:45 -04:00
parent 28a33cbc24
commit e39e64ac0c
1 changed files with 2 additions and 1 deletions
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3
fs/btrfs/transaction.c
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@ -1330,7 +1330,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
spin_unlock(&root->fs_info->trans_lock); spin_unlock(&root->fs_info->trans_lock);
} }
if (now < cur_trans->start_time || now - cur_trans->start_time < 1) if (!btrfs_test_opt(root, SSD) &&
(now < cur_trans->start_time || now - cur_trans->start_time < 1))
should_grow = 1; should_grow = 1;
do { do {