Commit 2c6a92b0 authored Feb 20, 2014 by Justin Maggard Committed by Josef Bacik Mar 10, 2014

btrfs: wake up transaction thread upon remount



Now that we can adjust the commit interval with a remount, we need
to wake up the transaction thread or else he will continue to sleep
until the previous transaction interval has elapsed before waking
up.  So, if we go from a large commit interval to something smaller,
the transaction thread will not wake up until the large interval has
expired.  This also causes the cleaner thread to stay sleeping, since
it gets woken up by the transaction thread.

Fix it by simply waking up the transaction thread during a remount.

Signed-off-by: Justin Maggard <jmaggard10@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>

parent 50471a38

fs/btrfs/super.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1479,6 +1479,7 @@ static int btrfs_remount(struct super_block sb, int flags, char *data)
	sb->s_flags &= ~MS_RDONLY;		sb->s_flags &= ~MS_RDONLY;
	}		}
	out:		out:
			wake_up_process(fs_info->transaction_kthread);
	btrfs_remount_cleanup(fs_info, old_opts);		btrfs_remount_cleanup(fs_info, old_opts);
	return 0;		return 0;

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