From: Marc Dionne <marc.c.dionne@gmail.com>
Date: Mon, 15 Oct 2012 16:26:09 +0000 (-0400)
Subject: Linux 3.7: putname is no longer exported
X-Git-Tag: openafs-stable-1_8_0pre1~1920
X-Git-Url: http://git.openafs.org/?p=openafs.git;a=commitdiff_plain;h=fa3116567e2998af73eb116751032713850c9459

Linux 3.7: putname is no longer exported

putname is unexported in kernel 3.7.  Add a compatibility inline
afs_putname function and open code it if necessary.

Change-Id: I5416067566f6332d77e5d91ce2b9cf7bc0c96dce
Reviewed-on: http://gerrit.openafs.org/8237
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
---

diff --git a/acinclude.m4 b/acinclude.m4
index 28d60f9..05a933f 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -908,6 +908,10 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
 				     [#include <linux/fs.h>
 				      #include <linux/namei.h>],
 				     [path_lookup(NULL, 0, NULL);])
+		 AC_CHECK_LINUX_FUNC([putname],
+				     [#include <linux/fs.h>
+				      #include <linux/namei.h>],
+				     [putname(NULL);])
 		 AC_CHECK_LINUX_FUNC([rcu_read_lock],
 				     [#include <linux/rcupdate.h>],
 				     [rcu_read_lock();])
diff --git a/src/afs/LINUX/osi_compat.h b/src/afs/LINUX/osi_compat.h
index 0314a22..35eafc5 100644
--- a/src/afs/LINUX/osi_compat.h
+++ b/src/afs/LINUX/osi_compat.h
@@ -524,4 +524,13 @@ afs_dentry_open(struct dentry *dp, struct vfsmount *mnt, int flags, const struct
 }
 #endif
 
+static inline void
+afs_putname(struct filename *name) {
+#if defined(HAVE_LINUX_PUTNAME)
+    putname(name);
+#else
+    kmem_cache_free(names_cachep, (void *)name);
+#endif
+}
+
 #endif /* AFS_LINUX_OSI_COMPAT_H */
diff --git a/src/afs/LINUX/osi_misc.c b/src/afs/LINUX/osi_misc.c
index 9a8ccbe..0fe7484 100644
--- a/src/afs/LINUX/osi_misc.c
+++ b/src/afs/LINUX/osi_misc.c
@@ -93,7 +93,7 @@ osi_lookupname(char *aname, uio_seg_t seg, int followlink,
     }
     code = osi_lookupname_internal(tname, followlink, NULL, dpp);   
     if (seg == AFS_UIOUSER) {
-        putname(tname);
+        afs_putname(tname);
     }
     return code;
 }
@@ -129,7 +129,7 @@ int osi_abspath(char *aname, char *buf, int buflen,
 	mntput(mnt);
     }
 
-    putname(tname);
+    afs_putname(tname);
     return code;
 }