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 371bbc1..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.
  *
@@ -109,4 +117,39 @@ set_nlink(struct inode *inode, unsigned int nlink)
 }
 #endif /* HAVE_SET_NLINK */
 
+/*
+ * 3.3 API change,
+ * The VFS .create, .mkdir and .mknod callbacks were updated to take a
+ * umode_t type rather than an int.  To cleanly handle both definitions
+ * the zpl_umode_t type is introduced and set accordingly.
+ */
+#ifdef HAVE_MKDIR_UMODE_T
+typedef        umode_t         zpl_umode_t;
+#else
+typedef        int             zpl_umode_t;
+#endif
+
+/*
+ * 3.5 API change,
+ * The clear_inode() function replaces end_writeback() and introduces an
+ * ordering change regarding when the inode_sync_wait() occurs.  See the
+ * configure check in config/kernel-clear-inode.m4 for full details.
+ */
+#if defined(HAVE_EVICT_INODE) && !defined(HAVE_CLEAR_INODE)
+#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 */