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| author | NeilBrown <neilb@suse.de> | 2011-07-28 11:32:10 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-07-28 11:32:10 +1000 |
| commit | 2ca68f5ed7383733102ee53cd8fa4021ecc3b275 (patch) | |
| tree | 29543cff802770d90380b889cf8b0cc01e7d1814 /drivers/md/raid1.h | |
| parent | 4367af556133723d0f443e14ca8170d9447317cb (diff) | |
| download | blackbird-op-linux-2ca68f5ed7383733102ee53cd8fa4021ecc3b275.tar.gz blackbird-op-linux-2ca68f5ed7383733102ee53cd8fa4021ecc3b275.zip | |
md/raid1: store behind-write pages in bi_vecs.
When performing write-behind we allocate pages to store the data
during write.
Previously we just keep a list of pages. Now we keep a list of
bi_vec which includes offset and size.
This means that the r1bio has complete information to create a new
bio which will be needed for retrying after write errors.
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
Diffstat (limited to 'drivers/md/raid1.h')
| -rw-r--r-- | drivers/md/raid1.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index f81360d49af4..b7885474e96c 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -101,7 +101,7 @@ struct r1bio_s { struct list_head retry_list; /* Next two are only valid when R1BIO_BehindIO is set */ - struct page **behind_pages; + struct bio_vec *behind_bvecs; int behind_page_count; /* * if the IO is in WRITE direction, then multiple bios are used. |
