[PATCH v1 02/11] fs/proc/vmcore: replace vmcoredd_mutex by vmcore_mutex

[David Hildenbrand]

Let's use our new mutex instead.

Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 fs/proc/vmcore.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 110ce193d20f..b91c304463c9 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -53,7 +53,6 @@ static struct proc_dir_entry *proc_vmcore;
 #ifdef CONFIG_PROC_VMCORE_DEVICE_DUMP
 /* Device Dump list and mutex to synchronize access to list */
 static LIST_HEAD(vmcoredd_list);
-static DEFINE_MUTEX(vmcoredd_mutex);
 
 static bool vmcoredd_disabled;
 core_param(novmcoredd, vmcoredd_disabled, bool, 0);
@@ -248,7 +247,7 @@ static int vmcoredd_copy_dumps(struct iov_iter *iter, u64 
start, size_t size)
        size_t tsz;
        char *buf;
 
-       mutex_lock(&vmcoredd_mutex);
+       mutex_lock(&vmcore_mutex);
        list_for_each_entry(dump, &vmcoredd_list, list) {
                if (start < offset + dump->size) {
                        tsz = min(offset + (u64)dump->size - start, (u64)size);
@@ -269,7 +268,7 @@ static int vmcoredd_copy_dumps(struct iov_iter *iter, u64 
start, size_t size)
        }
 
 out_unlock:
-       mutex_unlock(&vmcoredd_mutex);
+       mutex_unlock(&vmcore_mutex);
        return ret;
 }
 
@@ -283,7 +282,7 @@ static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, 
unsigned long dst,
        size_t tsz;
        char *buf;
 
-       mutex_lock(&vmcoredd_mutex);
+       mutex_lock(&vmcore_mutex);
        list_for_each_entry(dump, &vmcoredd_list, list) {
                if (start < offset + dump->size) {
                        tsz = min(offset + (u64)dump->size - start, (u64)size);
@@ -306,7 +305,7 @@ static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, 
unsigned long dst,
        }
 
 out_unlock:
-       mutex_unlock(&vmcoredd_mutex);
+       mutex_unlock(&vmcore_mutex);
        return ret;
 }
 #endif /* CONFIG_MMU */
@@ -1517,9 +1516,9 @@ int vmcore_add_device_dump(struct vmcoredd_data *data)
        dump->size = data_size;
 
        /* Add the dump to driver sysfs list */
-       mutex_lock(&vmcoredd_mutex);
+       mutex_lock(&vmcore_mutex);
        list_add_tail(&dump->list, &vmcoredd_list);
-       mutex_unlock(&vmcoredd_mutex);
+       mutex_unlock(&vmcore_mutex);
 
        vmcoredd_update_size(data_size);
        return 0;
@@ -1537,7 +1536,7 @@ EXPORT_SYMBOL(vmcore_add_device_dump);
 static void vmcore_free_device_dumps(void)
 {
 #ifdef CONFIG_PROC_VMCORE_DEVICE_DUMP
-       mutex_lock(&vmcoredd_mutex);
+       mutex_lock(&vmcore_mutex);
        while (!list_empty(&vmcoredd_list)) {
                struct vmcoredd_node *dump;
 
@@ -1547,7 +1546,7 @@ static void vmcore_free_device_dumps(void)
                vfree(dump->buf);
                vfree(dump);
        }
-       mutex_unlock(&vmcoredd_mutex);
+       mutex_unlock(&vmcore_mutex);
 #endif /* CONFIG_PROC_VMCORE_DEVICE_DUMP */
 }
 
-- 
2.46.1