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ext4: disable synchronous transaction batching if max_batch_time==0

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The mount manpage says of the max_batch_time option,

	This optimization can be turned off entirely
	by setting max_batch_time to 0.

But the code doesn't do that.  So fix the code to do
that.

Signed-off-by: Eric Sandeen <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
Cc: [email protected]
This commit is contained in:
Eric Sandeen 2014-07-05 19:18:22 -04:00 • committed by Theodore Ts'o
commit 5dd214248f
2 changed files with 4 additions and 3 deletions
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2
fs/ext4/super.c
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@ -1525,8 +1525,6 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
arg = JBD2_DEFAULT_MAX_COMMIT_AGE;
sbi->s_commit_interval = HZ * arg;
} else if (token == Opt_max_batch_time) {
if (arg == 0)
arg = EXT4_DEF_MAX_BATCH_TIME;
sbi->s_max_batch_time = arg;
} else if (token == Opt_min_batch_time) {
sbi->s_min_batch_time = arg;