Return -EOPNOTSUPP for ZFS_IOC_{GET|SET}FLAGS

[zfs.git] / include / linux / vfs_compat.h

diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h
index 9343f99..bccf0d0 100644 (file)
--- a/include/linux/vfs_compat.h
+++ b/include/linux/vfs_compat.h
@@ -95,6 +95,14 @@ bdi_setup_and_register(struct backing_dev_info *bdi,char *name,unsigned int cap)
 #endif /* HAVE_BDI && !HAVE_BDI_SETUP_AND_REGISTER */
 
 /*
+ * 2.6.38 API change,
+ * LOOKUP_RCU flag introduced to distinguish rcu-walk from ref-walk cases.
+ */
+#ifndef LOOKUP_RCU
+#define LOOKUP_RCU      0x0
+#endif /* LOOKUP_RCU */
+
+/*
  * 3.2-rc1 API change,
  * Add set_nlink() if it is not exported by the Linux kernel.
  *
@@ -115,7 +123,7 @@ set_nlink(struct inode *inode, unsigned int nlink)
  * umode_t type rather than an int.  To cleanly handle both definitions
  * the zpl_umode_t type is introduced and set accordingly.
  */
-#ifdef HAVE_CREATE_UMODE_T
+#ifdef HAVE_MKDIR_UMODE_T
 typedef        umode_t         zpl_umode_t;
 #else
 typedef        int             zpl_umode_t;
@@ -131,4 +139,17 @@ typedef    int             zpl_umode_t;
 #define clear_inode(ip)                end_writeback(ip)
 #endif /* HAVE_EVICT_INODE && !HAVE_CLEAR_INODE */
 
+/*
+ * 3.6 API change,
+ * The sget() helper function now takes the mount flags as an argument.
+ */
+#ifdef HAVE_5ARG_SGET
+#define zpl_sget(type, cmp, set, fl, mtd)      sget(type, cmp, set, fl, mtd)
+#else
+#define zpl_sget(type, cmp, set, fl, mtd)      sget(type, cmp, set, mtd)
+#endif /* HAVE_5ARG_SGET */
+
+#define ZFS_IOC_GETFLAGS       FS_IOC_GETFLAGS
+#define ZFS_IOC_SETFLAGS       FS_IOC_SETFLAGS
+
 #endif /* _ZFS_VFS_H */