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-rw-r--r--include/linux/mtd/mtd.h25
1 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 1da7f4a6ef88..2fb83cd3d264 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -186,6 +186,8 @@ struct mtd_info {
size_t *retlen, u_char *buf);
int (*write) (struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf);
+ int (*panic_write) (struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf);
/* Backing device capabilities for this device
* - provides mmap capabilities
@@ -193,16 +195,6 @@ struct mtd_info {
struct backing_dev_info *backing_dev_info;
-
- /* In blackbox flight recorder like scenarios we want to make successful
- writes in interrupt context. panic_write() is only intended to be
- called when its known the kernel is about to panic and we need the
- write to succeed. Since the kernel is not going to be running for much
- longer, this function can break locks and delay to ensure the write
- succeeds (but not sleep). */
-
- int (*panic_write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
-
int (*read_oob) (struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops);
int (*write_oob) (struct mtd_info *mtd, loff_t to,
@@ -315,6 +307,19 @@ static inline int mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
return mtd->write(mtd, to, len, retlen, buf);
}
+/*
+ * In blackbox flight recorder like scenarios we want to make successful writes
+ * in interrupt context. panic_write() is only intended to be called when its
+ * known the kernel is about to panic and we need the write to succeed. Since
+ * the kernel is not going to be running for much longer, this function can
+ * break locks and delay to ensure the write succeeds (but not sleep).
+ */
+static inline int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf)
+{
+ return mtd->panic_write(mtd, to, len, retlen, buf);
+}
+
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;