Tear down and flush the mmap region

[zfs.git] / include / sys / fs / zfs.h

diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 25f2562..a2b68ed 100644 (file)
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -161,6 +161,7 @@ typedef enum {
        ZPOOL_PROP_FREE,
        ZPOOL_PROP_ALLOCATED,
        ZPOOL_PROP_READONLY,
+       ZPOOL_PROP_ASHIFT,
        ZPOOL_NUM_PROPS
 } zpool_prop_t;
 
@@ -707,6 +708,7 @@ typedef struct ddt_histogram {
 #define        ZVOL_MINOR_BITS         4
 #define        ZVOL_MINOR_MASK         ((1U << ZVOL_MINOR_BITS) - 1)
 #define        ZVOL_MINORS             (1 << 4)
+#define        ZVOL_DEV_NAME           "zd"
 
 #define        ZVOL_PROP_NAME          "name"
 #define        ZVOL_DEFAULT_BLOCKSIZE  8192
@@ -782,6 +784,11 @@ typedef enum zfs_ioc {
 } zfs_ioc_t;
 
 /*
+ * zvol ioctl to get dataset name
+ */
+#define BLKZNAME               _IOR(0x12,125,char[ZFS_MAXNAMELEN])
+
+/*
  * Internal SPA load state.  Used by FMA diagnosis engine.
  */
 typedef enum {