mm: add VM counters for transparent hugepages

[firefly-linux-kernel-4.4.55.git] / include / linux / nfs_page.h

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 90907ada6d52dac63cbcfb7712f97e3a3a8853d3..91af2e49fa3ab1a532bdc22143da19021f0248da 100644 (file)
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -33,11 +33,15 @@ enum {
        PG_CLEAN,
        PG_NEED_COMMIT,
        PG_NEED_RESCHED,
+       PG_PNFS_COMMIT,
 };
 
 struct nfs_inode;
 struct nfs_page {
-       struct list_head        wb_list;        /* Defines state of page: */
+       union {
+               struct list_head        wb_list;        /* Defines state of page: */
+               struct pnfs_layout_segment *wb_commit_lseg; /* Used when PG_PNFS_COMMIT set */
+       };
        struct page             *wb_page;       /* page to read in/write out */
        struct nfs_open_context *wb_context;    /* File state context info */
        struct nfs_lock_context *wb_lock_context;       /* lock context info */
@@ -57,6 +61,7 @@ struct nfs_pageio_descriptor {
        size_t                  pg_count;
        size_t                  pg_bsize;
        unsigned int            pg_base;
+       char                    pg_moreio;
 
        struct inode            *pg_inode;
        int                     (*pg_doio)(struct nfs_pageio_descriptor *);
@@ -73,7 +78,6 @@ extern        struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
                                            struct page *page,
                                            unsigned int offset,
                                            unsigned int count);
-extern void nfs_clear_request(struct nfs_page *req);
 extern void nfs_release_request(struct nfs_page *req);