Content-Security-Policy: default-src 'none'
Content-Type: text/plain; charset=UTF-8
Content-Length: 579
Content-Disposition: inline; filename="922-always-create-console-node-in-initramfs.patch"
Last-Modified: Thu, 06 Feb 2025 07:25:33 GMT
Expires: Sun, 04 Feb 2035 07:25:33 GMT
ETag: "988de35ce01a7b38180e5791dcc0024b1ef515db"

--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -59,6 +59,18 @@ default_initramfs() {
 	EOF
 }
 
+list_openwrt_initramfs() {
+	:
+}
+
+openwrt_initramfs() {
+	# make sure that /dev/console exists
+	cat <<-EOF >> ${output}
+		dir /dev 0755 0 0
+		nod /dev/console 0600 0 0 c 5 1
+	EOF
+}
+
 filetype() {
 	local argv1="$1"
 
@@ -177,6 +189,8 @@ dir_filelist() {
 	if [  "$(echo "${dirlist}" | wc -l)" -gt 1 ]; then
 		${dep_list}print_mtime "$1"
 
+		${dep_list}openwrt_initramfs
+
 		echo "${dirlist}" | \
 		while read x; do
 			${dep_list}parse ${x}
am Git repository'/>
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From: Charles Manning &lt;cdhmanning@gmail.com&gt;
Date: Wed, 3 Nov 2010 16:01:12 +1300
Subject: [PATCH] yaffs: Switch from semaphores to mutexes

commit 73c54aa8c1de3f61a4c211cd47431293a6092f18 upstream.

Mutex is faster and init_MUTEX has been deprecated, so we&#39;ll just switch
to mutexes.

Signed-off-by: Charles Manning &lt;cdhmanning@gmail.com&gt;
<span class="gd">---</span>
 yaffs_linux.h     |    2 +-
 yaffs_vfs.c       |   24 ++++++++++++------------
 yaffs_vfs_multi.c |   26 +++++++++++++-------------
 3 files changed, 26 insertions(+), 26 deletions(-)

<span class="gd">--- a/fs/yaffs2/yaffs_linux.h</span>
<span class="gi">+++ b/fs/yaffs2/yaffs_linux.h</span>
<span class="gu">@@ -25,7 +25,7 @@ struct yaffs_LinuxContext {</span>
 	struct super_block * superBlock;
 	struct task_struct *bgThread; /* Background thread for this device */
 	int bgRunning;
<span class="gd">-        struct semaphore grossLock;     /* Gross locking semaphore */</span>
<span class="gi">+	struct mutex grossLock;	/* Gross locking mutex*/</span>
 	__u8 *spareBuffer;      /* For mtdif2 use. Don&#39;t know the size of the buffer
 				 * at compile time so we have to allocate it.
 				 */
<span class="gd">--- a/fs/yaffs2/yaffs_vfs_glue.c</span>
<span class="gi">+++ b/fs/yaffs2/yaffs_vfs_glue.c</span>
<span class="gu">@@ -515,14 +515,14 @@ static unsigned yaffs_gc_control_callbac</span>
 static void yaffs_gross_lock(yaffs_dev_t *dev)
 {
 	T(YAFFS_TRACE_LOCK, (TSTR(&quot;yaffs locking %p\n&quot;), current));
<span class="gd">-	down(&amp;(yaffs_dev_to_lc(dev)-&gt;grossLock));</span>
<span class="gi">+	mutex_lock(&amp;(yaffs_dev_to_lc(dev)-&gt;grossLock));</span>
 	T(YAFFS_TRACE_LOCK, (TSTR(&quot;yaffs locked %p\n&quot;), current));
 }
 
 static void yaffs_gross_unlock(yaffs_dev_t *dev)
 {
 	T(YAFFS_TRACE_LOCK, (TSTR(&quot;yaffs unlocking %p\n&quot;), current));
<span class="gd">-	up(&amp;(yaffs_dev_to_lc(dev)-&gt;grossLock));</span>
<span class="gi">+	mutex_unlock(&amp;(yaffs_dev_to_lc(dev)-&gt;grossLock));</span>
 }
 
 #ifdef YAFFS_COMPILE_EXPORTFS
<span class="gu">@@ -2542,7 +2542,7 @@ static void yaffs_read_inode(struct inod</span>
 #endif
 
 static YLIST_HEAD(yaffs_context_list);
<span class="gd">-struct semaphore yaffs_context_lock;</span>
<span class="gi">+struct mutex yaffs_context_lock;</span>
 
 static void yaffs_put_super(struct super_block *sb)
 {
<span class="gu">@@ -2568,9 +2568,9 @@ static void yaffs_put_super(struct super</span>
 
 	yaffs_gross_unlock(dev);
 
<span class="gd">-	down(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_lock(&amp;yaffs_context_lock);</span>
 	ylist_del_init(&amp;(yaffs_dev_to_lc(dev)-&gt;contextList));
<span class="gd">-	up(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_unlock(&amp;yaffs_context_lock);</span>
 
 	if (yaffs_dev_to_lc(dev)-&gt;spareBuffer) {
 		YFREE(yaffs_dev_to_lc(dev)-&gt;spareBuffer);
<span class="gu">@@ -3016,7 +3016,7 @@ static struct super_block *yaffs_interna</span>
 	param-&gt;skip_checkpt_rd = options.skip_checkpoint_read;
 	param-&gt;skip_checkpt_wr = options.skip_checkpoint_write;
 
<span class="gd">-	down(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_lock(&amp;yaffs_context_lock);</span>
 	/* Get a mount id */
 	found = 0;
 	for(mount_id=0; ! found; mount_id++){
<span class="gu">@@ -3030,13 +3030,13 @@ static struct super_block *yaffs_interna</span>
 	context-&gt;mount_id = mount_id;
 
 	ylist_add_tail(&amp;(yaffs_dev_to_lc(dev)-&gt;contextList), &amp;yaffs_context_list);
<span class="gd">-	up(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_unlock(&amp;yaffs_context_lock);</span>
 
         /* Directory search handling...*/
         YINIT_LIST_HEAD(&amp;(yaffs_dev_to_lc(dev)-&gt;searchContexts));
         param-&gt;remove_obj_fn = yaffs_remove_obj_callback;
 
<span class="gd">-	init_MUTEX(&amp;(yaffs_dev_to_lc(dev)-&gt;grossLock));</span>
<span class="gi">+	mutex_init(&amp;(yaffs_dev_to_lc(dev)-&gt;grossLock));</span>
 
 	yaffs_gross_lock(dev);
 
<span class="gu">@@ -3268,7 +3268,7 @@ static int yaffs_proc_read(char *page,</span>
 	else {
 		step-=2;
 		
<span class="gd">-		down(&amp;yaffs_context_lock);</span>
<span class="gi">+		mutex_lock(&amp;yaffs_context_lock);</span>
 
 		/* Locate and print the Nth entry.  Order N-squared but N is small. */
 		ylist_for_each(item, &amp;yaffs_context_list) {
<span class="gu">@@ -3287,7 +3287,7 @@ static int yaffs_proc_read(char *page,</span>
 			
 			break;
 		}
<span class="gd">-		up(&amp;yaffs_context_lock);</span>
<span class="gi">+		mutex_unlock(&amp;yaffs_context_lock);</span>
 	}
 
 	return buf - page &lt; count ? buf - page : count;
<span class="gu">@@ -3301,7 +3301,7 @@ static int yaffs_stats_proc_read(char *p</span>
 	char *buf = page;
 	int n = 0;
 
<span class="gd">-	down(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_lock(&amp;yaffs_context_lock);</span>
 
 	/* Locate and print the Nth entry.  Order N-squared but N is small. */
 	ylist_for_each(item, &amp;yaffs_context_list) {
<span class="gu">@@ -3317,7 +3317,7 @@ static int yaffs_stats_proc_read(char *p</span>
 				dev-&gt;bg_gcs, dev-&gt;oldest_dirty_gc_count,
 				dev-&gt;n_obj, dev-&gt;n_tnodes);
 	}
<span class="gd">-	up(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_unlock(&amp;yaffs_context_lock);</span>
 
 
 	return buf - page &lt; count ? buf - page : count;
<span class="gu">@@ -3494,7 +3494,7 @@ static int __init init_yaffs_fs(void)</span>
 
 
 
<span class="gd">-	init_MUTEX(&amp;yaffs_context_lock);</span>
<span class="gi">+	mutex_init(&amp;yaffs_context_lock);</span>
 
 	/* Install the proc_fs entries */
 	my_proc_entry = create_proc_entry(&quot;yaffs&quot;,
</pre></div>
</code></pre></td></tr></table>
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