> + * pass through will see the stale flag set on the inode.
> + */
> + error = xfs_iflush(ip, SYNC_TRYLOCK | sync_mode);
> if (sync_mode & SYNC_WAIT) {
> + if (error == EAGAIN) {
> + xfs_iunlock(ip, XFS_ILOCK_EXCL);
> + /* backoff longer than in xfs_ifree_cluster */
> + delay(2);
Do we really need the delay here? It seems like we'd rather want to
keep going with scanning the next inode cluster and return here from
xfs_reclaim_inodes.
> diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
> index 32ba662..0ae48ff 100644
> --- a/fs/xfs/linux-2.6/xfs_sync.h
> +++ b/fs/xfs/linux-2.6/xfs_sync.h
> @@ -34,6 +34,7 @@ typedef struct xfs_sync_work {
>
> int xfs_syncd_init(struct xfs_mount *mp);
> void xfs_syncd_stop(struct xfs_mount *mp);
> +void xfs_syncd_queue_sync(struct xfs_mount *mp, int flags);
This hunk belongs into a different patch.
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