From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Mon, 10 Oct 2011 17:42:59 +0000 (-0700)
Subject: Export symbols for the VFS API
X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=commitdiff_plain;ds=inline;h=86f35f34f419f6eaff53b25f463c13f72186b103;p=zfs.git

Export symbols for the VFS API

Export all symbols already marked extern in the zfs_vfsops.h
header.  Several non-static symbols have also been added to
the header and exportewd.  This allows external modules to
more easily create and manipulate properly created ZFS
filesystem type datasets.

Rename zfsvfs_teardown() to zfs_sb_teardown and export it.
This is done simply for consistency with the rest of the code
base.  All other zfsvfs_* functions have already been renamed.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
---

diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
index 7158158..72d511b 100644
--- a/cmd/ztest/ztest.c
+++ b/cmd/ztest/ztest.c
@@ -2123,7 +2123,7 @@ ztest_zil_remount(ztest_ds_t *zd, uint64_t id)
 
 	(void) rw_enter(&zd->zd_zilog_lock, RW_WRITER);
 
-	/* zfsvfs_teardown() */
+	/* zfs_sb_teardown() */
 	zil_close(zd->zd_zilog);
 
 	/* zfsvfs_setup() */
diff --git a/include/sys/zfs_vfsops.h b/include/sys/zfs_vfsops.h
index c8861f6..fc8be58 100644
--- a/include/sys/zfs_vfsops.h
+++ b/include/sys/zfs_vfsops.h
@@ -179,8 +179,12 @@ extern boolean_t zfs_owner_overquota(zfs_sb_t *zsb, struct znode *,
 extern boolean_t zfs_fuid_overquota(zfs_sb_t *zsb, boolean_t isgroup,
     uint64_t fuid);
 extern int zfs_set_version(zfs_sb_t *zsb, uint64_t newvers);
+extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop,
+    uint64_t *value);
 extern int zfs_sb_create(const char *name, zfs_sb_t **zsbp);
+extern int zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting);
 extern void zfs_sb_free(zfs_sb_t *zsb);
+extern int zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting);
 extern int zfs_check_global_label(const char *dsname, const char *hexsl);
 extern boolean_t zfs_is_readonly(zfs_sb_t *zsb);
 
diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c
index 0ee5413..b115dcd 100644
--- a/module/zfs/zfs_vfsops.c
+++ b/module/zfs/zfs_vfsops.c
@@ -715,8 +715,9 @@ out:
 	kmem_free(zsb, sizeof (zfs_sb_t));
 	return (error);
 }
+EXPORT_SYMBOL(zfs_sb_create);
 
-static int
+int
 zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting)
 {
 	int error;
@@ -797,6 +798,7 @@ zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting)
 
 	return (0);
 }
+EXPORT_SYMBOL(zfs_sb_setup);
 
 void
 zfs_sb_free(zfs_sb_t *zsb)
@@ -816,6 +818,7 @@ zfs_sb_free(zfs_sb_t *zsb)
 		mutex_destroy(&zsb->z_hold_mtx[i]);
 	kmem_free(zsb, sizeof (zfs_sb_t));
 }
+EXPORT_SYMBOL(zfs_sb_free);
 
 static void
 zfs_set_fuid_feature(zfs_sb_t *zsb)
@@ -899,6 +902,7 @@ zfs_check_global_label(const char *dsname, const char *hexsl)
 	}
 	return (EACCES);
 }
+EXPORT_SYMBOL(zfs_check_global_label);
 #endif /* HAVE_MLSLABEL */
 
 int
@@ -986,7 +990,7 @@ EXPORT_SYMBOL(zfs_root);
  * and 'z_teardown_inactive_lock' held.
  */
 int
-zfsvfs_teardown(zfs_sb_t *zsb, boolean_t unmounting)
+zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting)
 {
 	znode_t	*zp;
 
@@ -1083,6 +1087,7 @@ zfsvfs_teardown(zfs_sb_t *zsb, boolean_t unmounting)
 
 	return (0);
 }
+EXPORT_SYMBOL(zfs_sb_teardown);
 
 #ifdef HAVE_BDI
 static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0);
@@ -1185,7 +1190,7 @@ zfs_umount(struct super_block *sb)
 	zfs_sb_t *zsb = sb->s_fs_info;
 	objset_t *os;
 
-	VERIFY(zfsvfs_teardown(zsb, B_TRUE) == 0);
+	VERIFY(zfs_sb_teardown(zsb, B_TRUE) == 0);
 	os = zsb->z_os;
 
 	if (bdi_get_sb(sb)) {
@@ -1332,7 +1337,7 @@ zfs_suspend_fs(zfs_sb_t *zsb)
 {
 	int error;
 
-	if ((error = zfsvfs_teardown(zsb, B_FALSE)) != 0)
+	if ((error = zfs_sb_teardown(zsb, B_FALSE)) != 0)
 		return (error);
 	dmu_objset_disown(zsb->z_os, zsb);
 
@@ -1512,6 +1517,7 @@ zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value)
 	}
 	return (error);
 }
+EXPORT_SYMBOL(zfs_get_zplprop);
 
 void
 zfs_init(void)