svn commit: r303907 - stable/10/sys/fs/pseudofs

[Konstantin Belousov]

Author: kib
Date: Wed Aug 10 12:36:54 2016
New Revision: 303907
URL: https://svnweb.freebsd.org/changeset/base/303907

Log:
  MFC r303704:
  Some style changes.  Fix a typo in comment.
  
  MFC r303705:
  Remove Giant asserts.  Update comment.

Modified:
  stable/10/sys/fs/pseudofs/pseudofs.c
  stable/10/sys/fs/pseudofs/pseudofs.h
  stable/10/sys/fs/pseudofs/pseudofs_fileno.c
  stable/10/sys/fs/pseudofs/pseudofs_vncache.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/fs/pseudofs/pseudofs.c
==============================================================================
--- stable/10/sys/fs/pseudofs/pseudofs.c	Wed Aug 10 12:34:49 2016	(r303906)
+++ stable/10/sys/fs/pseudofs/pseudofs.c	Wed Aug 10 12:36:54 2016	(r303907)
@@ -383,11 +383,9 @@ pfs_init(struct pfs_info *pi, struct vfs
 	struct pfs_node *root;
 	int error;
 
-	mtx_assert(&Giant, MA_OWNED);
-
 	pfs_fileno_init(pi);
 
-	/* set up the root diretory */
+	/* set up the root directory */
 	root = pfs_alloc_node(pi, "/", pfstype_root);
 	pi->pi_root = root;
 	pfs_fileno_alloc(root);
@@ -414,8 +412,6 @@ pfs_uninit(struct pfs_info *pi, struct v
 {
 	int error;
 
-	mtx_assert(&Giant, MA_OWNED);
-
 	pfs_destroy(pi->pi_root);
 	pi->pi_root = NULL;
 	pfs_fileno_uninit(pi);

Modified: stable/10/sys/fs/pseudofs/pseudofs.h
==============================================================================
--- stable/10/sys/fs/pseudofs/pseudofs.h	Wed Aug 10 12:34:49 2016	(r303906)
+++ stable/10/sys/fs/pseudofs/pseudofs.h	Wed Aug 10 12:36:54 2016	(r303907)
@@ -189,16 +189,16 @@ typedef int (*pfs_destroy_t)(PFS_DESTROY
 /*
  * pfs_info: describes a pseudofs instance
  *
- * The pi_mutex is only used to avoid using the global subr_unit lock for
- * unrhdr.  The rest of struct pfs_info is only modified while Giant is
- * held (during vfs_init() and vfs_uninit()).
+ * The pi_mutex is only used to avoid using the global subr_unit lock
+ * for unrhdr.  The rest of struct pfs_info is only modified during
+ * vfs_init() and vfs_uninit() of the consumer filesystem.
  */
 struct pfs_info {
 	char			 pi_name[PFS_FSNAMELEN];
 	pfs_init_t		 pi_init;
 	pfs_init_t		 pi_uninit;
 
-	/* members below this line are initialized at run time*/
+	/* members below this line are initialized at run time */
 	struct pfs_node		*pi_root;
 	struct mtx		 pi_mutex;
 	struct unrhdr		*pi_unrhdr;
@@ -285,17 +285,17 @@ static int								\
 _##name##_mount(struct mount *mp) {					\
         if (jflag && !prison_allow(curthread->td_ucred, jflag))		\
                 return (EPERM);						\
-	return pfs_mount(&name##_info, mp);				\
+	return (pfs_mount(&name##_info, mp));				\
 }									\
 									\
 static int								\
 _##name##_init(struct vfsconf *vfc) {					\
-	return pfs_init(&name##_info, vfc);				\
+	return (pfs_init(&name##_info, vfc));				\
 }									\
 									\
 static int								\
 _##name##_uninit(struct vfsconf *vfc) {					\
-	return pfs_uninit(&name##_info, vfc);				\
+	return (pfs_uninit(&name##_info, vfc));				\
 }									\
 									\
 static struct vfsops name##_vfsops = {					\

Modified: stable/10/sys/fs/pseudofs/pseudofs_fileno.c
==============================================================================
--- stable/10/sys/fs/pseudofs/pseudofs_fileno.c	Wed Aug 10 12:34:49 2016	(r303906)
+++ stable/10/sys/fs/pseudofs/pseudofs_fileno.c	Wed Aug 10 12:36:54 2016	(r303907)
@@ -52,7 +52,6 @@ void
 pfs_fileno_init(struct pfs_info *pi)
 {
 
-	mtx_assert(&Giant, MA_OWNED);
 	mtx_init(&pi->pi_mutex, "pfs_fileno", NULL, MTX_DEF);
 	pi->pi_unrhdr = new_unrhdr(3, INT_MAX / NO_PID, &pi->pi_mutex);
 }
@@ -64,7 +63,6 @@ void
 pfs_fileno_uninit(struct pfs_info *pi)
 {
 
-	mtx_assert(&Giant, MA_OWNED);
 	delete_unrhdr(pi->pi_unrhdr);
 	pi->pi_unrhdr = NULL;
 	mtx_destroy(&pi->pi_mutex);

Modified: stable/10/sys/fs/pseudofs/pseudofs_vncache.c
==============================================================================
--- stable/10/sys/fs/pseudofs/pseudofs_vncache.c	Wed Aug 10 12:34:49 2016	(r303906)
+++ stable/10/sys/fs/pseudofs/pseudofs_vncache.c	Wed Aug 10 12:36:54 2016	(r303907)
@@ -84,7 +84,6 @@ void
 pfs_vncache_load(void)
 {
 
-	mtx_assert(&Giant, MA_OWNED);
 	mtx_init(&pfs_vncache_mutex, "pfs_vncache", NULL, MTX_DEF);
 	pfs_exit_tag = EVENTHANDLER_REGISTER(process_exit, pfs_exit, NULL,
 	    EVENTHANDLER_PRI_ANY);
@@ -97,7 +96,6 @@ void
 pfs_vncache_unload(void)
 {
 
-	mtx_assert(&Giant, MA_OWNED);
 	EVENTHANDLER_DEREGISTER(process_exit, pfs_exit_tag);
 	KASSERT(pfs_vncache_entries == 0,
 	    ("%d vncache entries remaining", pfs_vncache_entries));