X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=fs%2Fpstore%2Fram.c;h=c4baf696eaa2f50dc13f97cb6f92ccdedf593862;hb=c844b643eff9f140a03e8466295b474d61f8afeb;hp=22ffa28aa2dc1150e333d5016f00172505851e48;hpb=faef33153ff39cd8aa45bd66cf54db0dca1091be;p=android-x86%2Fkernel.git

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 22ffa28aa2dc..c4baf696eaa2 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -331,6 +331,24 @@ static int notrace ramoops_pstore_write_buf(enum pstore_type_id type,
 	return 0;
 }
 
+static int notrace ramoops_pstore_write_buf_user(enum pstore_type_id type,
+						 enum kmsg_dump_reason reason,
+						 u64 *id, unsigned int part,
+						 const char __user *buf,
+						 bool compressed, size_t size,
+						 struct pstore_info *psi)
+{
+	if (type == PSTORE_TYPE_PMSG) {
+		struct ramoops_context *cxt = psi->data;
+
+		if (!cxt->mprz)
+			return -ENOMEM;
+		return persistent_ram_write_user(cxt->mprz, buf, size);
+	}
+
+	return -EINVAL;
+}
+
 static int ramoops_pstore_erase(enum pstore_type_id type, u64 id, int count,
 				struct timespec time, struct pstore_info *psi)
 {
@@ -369,6 +387,7 @@ static struct ramoops_context oops_cxt = {
 		.open	= ramoops_pstore_open,
 		.read	= ramoops_pstore_read,
 		.write_buf	= ramoops_pstore_write_buf,
+		.write_buf_user	= ramoops_pstore_write_buf_user,
 		.erase	= ramoops_pstore_erase,
 	},
 };