UBIFS: incorporate maximum write size
Incorporate maximum write size into the UBIFS description data
structure. This patch just introduces new 'c->max_write_size'
and 'c->max_write_shift' fields as a preparation for the following
patches.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index d182354..8b51949 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1024,6 +1024,9 @@
*
* @min_io_size: minimal input/output unit size
* @min_io_shift: number of bits in @min_io_size minus one
+ * @max_write_size: maximum amount of bytes the underlying flash can write at a
+ * time (MTD write buffer size)
+ * @max_write_shift: number of bits in @max_write_size minus one
* @leb_size: logical eraseblock size in bytes
* @half_leb_size: half LEB size
* @idx_leb_size: how many bytes of an LEB are effectively available when it is
@@ -1270,6 +1273,8 @@
int min_io_size;
int min_io_shift;
+ int max_write_size;
+ int max_write_shift;
int leb_size;
int half_leb_size;
int idx_leb_size;