tree 3f3a38b484ef2dabda1599d4d8f08b121bd03a76
parent 4cbb9b80e171107c6c34116283fe38e5a396c68b
author David Woodhouse <dwmw2@infradead.org> 1148432685 +0100
committer David Woodhouse <dwmw2@infradead.org> 1148432685 +0100

[JFFS2] Reduce visibility of raw_node_ref to upper layers of JFFS2 code.

As the first step towards eliminating the ref->next_phys member and saving
memory by using an _array_ of struct jffs2_raw_node_ref per eraseblock,
stop the write functions from allocating their own refs; have them just
_reserve_ the appropriate number instead. Then jffs2_link_node_ref() can
just fill them in.

Use a linked list of pre-allocated refs in the superblock, for now. Once
we switch to an array, it'll just be a case of extending that array.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>