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-rw-r--r--include/linux/nilfs2_fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 3fe02cf8b65a..640702e97457 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -153,6 +153,7 @@ struct nilfs_super_root {
semantics also for data */
#define NILFS_MOUNT_NORECOVERY 0x4000 /* Disable write access during
mount-time recovery */
+#define NILFS_MOUNT_DISCARD 0x8000 /* Issue DISCARD requests */
/**