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-rw-r--r--fs/nfs/internal.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 212b8c883d22..b802fb3a2d99 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -598,6 +598,19 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize)
}
/*
+ * Record the page as unstable and mark its inode as dirty.
+ */
+static inline
+void nfs_mark_page_unstable(struct page *page)
+{
+ struct inode *inode = page_file_mapping(page)->host;
+
+ inc_zone_page_state(page, NR_UNSTABLE_NFS);
+ inc_bdi_stat(inode_to_bdi(inode), BDI_RECLAIMABLE);
+ __mark_inode_dirty(inode, I_DIRTY_DATASYNC);
+}
+
+/*
* Determine the number of bytes of data the page contains
*/
static inline