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authorRichard Yao <[email protected]>2012-06-06 17:08:00 +0000
committerBrian Behlendorf <[email protected]>2012-06-11 10:04:49 -0700
commit6a0936babc14a44986265a12f206c41999bd48c3 (patch)
treea2787bcc41bca759e12636977f541bcb54bd0e1f /zfs_config.h.in
parentab85f8455b995741c479f1cdcf21304de87fdaa8 (diff)
Linux 3.4 compat, d_make_root() replaces d_alloc_root()
torvalds/linux@adc0e91ab142abe93f5b0d7980ada8a7676231fe introduced introduced d_make_root() as a replacement for d_alloc_root(). Further commits appear to have removed d_alloc_root() from the Linux source tree. This causes the following failure: error: implicit declaration of function 'd_alloc_root' [-Werror=implicit-function-declaration] To correct this we update the code to use the current d_make_root() interface for readability. Then we introduce an autotools check to determine if d_make_root() is available. If it isn't then we define some compatibility logic which used the older d_alloc_root() interface. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #776
Diffstat (limited to 'zfs_config.h.in')
-rw-r--r--zfs_config.h.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/zfs_config.h.in b/zfs_config.h.in
index 5e3965be9..eacdfa762 100644
--- a/zfs_config.h.in
+++ b/zfs_config.h.in
@@ -117,6 +117,9 @@
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
+/* d_make_root() is available */
+#undef HAVE_D_MAKE_ROOT
+
/* d_obtain_alias() is available */
#undef HAVE_D_OBTAIN_ALIAS