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Kirill Smelkov
linux
Commits
a1b7cd07
Commit
a1b7cd07
authored
Jun 18, 2002
by
Neil Brown
Committed by
Linus Torvalds
Jun 18, 2002
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[PATCH] md 4 of 22 - Make raid5 work for big bios
parent
7fa418f7
Changes
1
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Showing
1 changed file
with
6 additions
and
4 deletions
+6
-4
drivers/md/raid5.c
drivers/md/raid5.c
+6
-4
No files found.
drivers/md/raid5.c
View file @
a1b7cd07
...
...
@@ -633,7 +633,6 @@ static void copy_data(int frombio, struct bio *bio,
else
page_offset
=
(
signed
)(
sector
-
bio
->
bi_sector
)
*
-
512
;
bio_for_each_segment
(
bvl
,
bio
,
i
)
{
char
*
ba
=
__bio_kmap
(
bio
,
i
);
int
len
=
bio_iovec_idx
(
bio
,
i
)
->
bv_len
;
int
clen
;
int
b_offset
=
0
;
...
...
@@ -648,13 +647,16 @@ static void copy_data(int frombio, struct bio *bio,
clen
=
STRIPE_SIZE
-
page_offset
;
else
clen
=
len
;
if
(
len
>
0
)
{
if
(
clen
>
0
)
{
char
*
ba
=
__bio_kmap
(
bio
,
i
);
if
(
frombio
)
memcpy
(
pa
+
page_offset
,
ba
+
b_offset
,
clen
);
else
memcpy
(
ba
+
b_offset
,
pa
+
page_offset
,
clen
);
}
__bio_kunmap
(
bio
,
i
);
__bio_kunmap
(
bio
,
i
);
}
if
(
clen
<
len
)
/* hit end of page */
break
;
page_offset
+=
len
;
}
}
...
...
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