Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm

[karo-tx-linux.git] / include / linux / backing-dev.h

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index d045f5f615c731412eb7868e21d6808dc7deb453..0ee33c2e6129005aa13191244f9ed391af9630e7 100644 (file)
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -29,6 +29,7 @@ enum bdi_state {
        BDI_wb_alloc,           /* Default embedded wb allocated */
        BDI_async_congested,    /* The async (write) queue is getting full */
        BDI_sync_congested,     /* The sync queue is getting full */
+       BDI_registered,         /* bdi_register() was done */
        BDI_unused,             /* Available bits start here */
 };
 
@@ -58,6 +59,7 @@ struct bdi_writeback {
 
 struct backing_dev_info {
        struct list_head bdi_list;
+       struct rcu_head rcu_head;
        unsigned long ra_pages; /* max readahead in PAGE_CACHE_SIZE units */
        unsigned long state;    /* Always use atomic bitops on this */
        unsigned int capabilities; /* Device capabilities */
@@ -66,6 +68,8 @@ struct backing_dev_info {
        void (*unplug_io_fn)(struct backing_dev_info *, struct page *);
        void *unplug_io_data;
 
+       char *name;
+
        struct percpu_counter bdi_stat[NR_BDI_STAT_ITEMS];
 
        struct prop_local_percpu completions;
@@ -97,7 +101,7 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
                const char *fmt, ...);
 int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
 void bdi_unregister(struct backing_dev_info *bdi);
-void bdi_start_writeback(struct writeback_control *wbc);
+void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages);
 int bdi_writeback_task(struct bdi_writeback *wb);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);