block: add secure discard

[linux-2.6-block.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 267d02630517cfba4197cbb706a2ebe848837474..7a0625e26a3995ca48e91b30e2c874557efc1cb4 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -174,6 +174,7 @@ struct inodes_stat_t {
  */
 #define DISCARD_NOBARRIER      (WRITE | REQ_DISCARD)
 #define DISCARD_BARRIER                (WRITE | REQ_DISCARD | REQ_HARDBARRIER)
+#define DISCARD_SECURE         (DISCARD_NOBARRIER | REQ_SECURE)
 
 #define SEL_IN         1
 #define SEL_OUT                2
@@ -317,6 +318,7 @@ struct inodes_stat_t {
 #define BLKALIGNOFF _IO(0x12,122)
 #define BLKPBSZGET _IO(0x12,123)
 #define BLKDISCARDZEROES _IO(0x12,124)
+#define BLKSECDISCARD _IO(0x12,125)
 
 #define BMAP_IOCTL 1           /* obsolete - kept for compatibility */
 #define FIBMAP    _IO(0x00,1)  /* bmap access */