FS-Cache: Handle pages pending storage that get evicted under OOM conditions

[deliverable/linux.git] / include / linux / fscache-cache.h

diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index f3aa4bdafef6b946290013c62ab10f563f73c0e5..4750d5fb419fde6f2dd55b566be39759f39caa76 100644 (file)
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -317,6 +317,7 @@ struct fscache_cookie {
        void                            *netfs_data;    /* back pointer to netfs */
        struct radix_tree_root          stores;         /* pages to be stored on this cookie */
 #define FSCACHE_COOKIE_PENDING_TAG     0               /* pages tag: pending write to cache */
+#define FSCACHE_COOKIE_STORING_TAG     1               /* pages tag: writing to cache */
 
        unsigned long                   flags;
 #define FSCACHE_COOKIE_LOOKING_UP      0       /* T if non-index cookie being looked up still */