[hurd] 10/28: Add missing spinlock initializers

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit ccfdec8708430e4255b4d24424aafbd0d5f4c32d
Author: Samuel Thibault <address@hidden>
Date:   Tue Nov 1 15:00:51 2016 +0100

    Add missing spinlock initializers
    
    Thanks Agustina Arzille for the report
    
    * ext2fs/ext2fs.h (global_lock, modified_global_blocks_lock): Declare
    extern
    * ext2fs/ext2fs.c (global_lock, modified_global_blocks_lock): Define and
    initialize to PTHREAD_SPINLOCK_INITIALIZER.
    * libtreefs/xinl.c (treefs_node_refcnt_lock): Likewise.
---
 ext2fs/ext2fs.c  | 3 +++
 ext2fs/ext2fs.h  | 4 ++--
 libtreefs/xinl.c | 2 ++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/ext2fs/ext2fs.c b/ext2fs/ext2fs.c
index 1ead6d2..4f38c92 100644
--- a/ext2fs/ext2fs.c
+++ b/ext2fs/ext2fs.c
@@ -55,6 +55,9 @@ struct store *store;
 struct store_parsed *store_parsed;
 
 char *diskfs_disk_name;
+
+pthread_spinlock_t global_lock = PTHREAD_SPINLOCK_INITIALIZER;
+pthread_spinlock_t modified_global_blocks_lock = PTHREAD_SPINLOCK_INITIALIZER;
 
 #ifdef EXT2FS_DEBUG
 int ext2_debug_flag;
diff --git a/ext2fs/ext2fs.h b/ext2fs/ext2fs.h
index afcd25c..a3d22b2 100644
--- a/ext2fs/ext2fs.h
+++ b/ext2fs/ext2fs.h
@@ -433,7 +433,7 @@ void write_all_disknodes ();
 
 /* What to lock if changing global data data (e.g., the superblock or block
    group descriptors or bitmaps).  */
-pthread_spinlock_t global_lock;
+extern pthread_spinlock_t global_lock;
 
 /* Where to record such changes.  */
 struct pokel global_pokel;
@@ -442,7 +442,7 @@ struct pokel global_pokel;
    record which disk blocks are actually modified, so we don't stomp on parts
    of the disk which are backed by file pagers.  */
 unsigned char *modified_global_blocks;
-pthread_spinlock_t modified_global_blocks_lock;
+extern pthread_spinlock_t modified_global_blocks_lock;
 
 extern int global_block_modified (block_t block);
 extern void record_global_poke (void *ptr);
diff --git a/libtreefs/xinl.c b/libtreefs/xinl.c
index fe83e5a..ca7073a 100644
--- a/libtreefs/xinl.c
+++ b/libtreefs/xinl.c
@@ -1,3 +1,5 @@
 #define TREEFS_DEFINE_EI
 #include "treefs.h"
 #include "mig-decls.h"
+
+pthread_spinlock_t treefs_node_refcnt_lock = PTHREAD_SPINLOCK_INITIALIZER;

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