2.6.23-stable review patch. If anyone has any objections, please let us know.
------------------
From: Milan Broz <mbroz@xxxxxxxxxx>
patch adfe47702c4726b3e045f9f83178def02833be4c in mainline.
Fix BIO_UPTODATE test for write io.
Signed-off-by: Milan Broz <mbroz@xxxxxxxxxx>
Signed-off-by: Alasdair G Kergon <agk@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/md/dm-crypt.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -515,6 +515,9 @@ static int crypt_endio(struct bio *clone
struct crypt_config *cc = io->target->private;
unsigned read_io = bio_data_dir(clone) == READ;
+ if (unlikely(!bio_flagged(clone, BIO_UPTODATE) && !error))
+ error = -EIO;
+
/*
* free the processed pages, even if
* it's only a partially completed write
@@ -529,10 +532,8 @@ static int crypt_endio(struct bio *clone
if (!read_io)
goto out;
- if (unlikely(!bio_flagged(clone, BIO_UPTODATE))) {
- error = -EIO;
+ if (unlikely(error))
goto out;
- }
bio_put(clone);
io->post_process = 1;
--
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