[PATCH 1/3] UBIFS: assert no fixup when writing a node

Ben Gardiner
2011-05-30T18:56:55Z

The current free space fixup can result in some writing to the UBI volume
when the space_fixup flag is set.

To catch instances where UBIFS is writing to the NAND while the space_fixup
flag is set, add an assert to ubifs_write_node().

Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>

---
fs/ubifs/io.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 166951e..db298de 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -763,6 +763,8 @@ int ubifs_write_node(struct ubifs_info *c, void *buf, int len, int lnum,
if (c->ro_error)
return -EROFS;

+ ubifs_assert(!c->space_fixup);
+
ubifs_prepare_node(c, buf, len, 1);
err = ubi_leb_write(c->ubi, lnum, buf, offs, buf_len, dtype);
if (err) {
--
1.7.4.1