[XFS] Allocate the struct xfs_ail
Rather than embedding the struct xfs_ail in the struct xfs_mount, allocate
it during AIL initialisation. Add a back pointer to the struct xfs_ail so
that we can pass around the xfs_ail and still be able to access the
xfs_mount if need be. This is th first step involved in isolating the AIL
implementation from the surrounding filesystem code.
SGI-PV: 988143
SGI-Modid: xfs-linux-melb:xfs-kern:32346a
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 3c748c4..98317fd 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -56,13 +56,20 @@
struct xfs_log_item *xfs_trans_next_ail(struct xfs_mount *,
struct xfs_log_item *, int *, int *);
-
/*
* AIL push thread support
*/
-long xfsaild_push(struct xfs_mount *, xfs_lsn_t *);
-void xfsaild_wakeup(struct xfs_mount *, xfs_lsn_t);
-int xfsaild_start(struct xfs_mount *);
-void xfsaild_stop(struct xfs_mount *);
+struct xfs_ail {
+ struct xfs_mount *xa_mount;
+ struct list_head xa_ail;
+ uint xa_gen;
+ struct task_struct *xa_task;
+ xfs_lsn_t xa_target;
+};
+
+long xfsaild_push(struct xfs_ail *, xfs_lsn_t *);
+void xfsaild_wakeup(struct xfs_ail *, xfs_lsn_t);
+int xfsaild_start(struct xfs_ail *);
+void xfsaild_stop(struct xfs_ail *);
#endif /* __XFS_TRANS_PRIV_H__ */