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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 21:19:53 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 21:19:53 +0200 |
| commit | 45711f1af6eff1a6d010703b4862e0d2b9afd056 (patch) | |
| tree | 3d0048f46e3df9d217d56127462ebe680348bd5a /drivers/block/cryptoloop.c | |
| parent | 78c2f0b8c285c5305b3e67b0595200541e15eb43 (diff) | |
| download | lwn-45711f1af6eff1a6d010703b4862e0d2b9afd056.tar.gz lwn-45711f1af6eff1a6d010703b4862e0d2b9afd056.zip | |
[SG] Update drivers to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/block/cryptoloop.c')
| -rw-r--r-- | drivers/block/cryptoloop.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 40535036e893..1b58b010797f 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -26,6 +26,7 @@ #include <linux/crypto.h> #include <linux/blkdev.h> #include <linux/loop.h> +#include <linux/scatterlist.h> #include <asm/semaphore.h> #include <asm/uaccess.h> @@ -119,14 +120,17 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, .tfm = tfm, .flags = CRYPTO_TFM_REQ_MAY_SLEEP, }; - struct scatterlist sg_out = { NULL, }; - struct scatterlist sg_in = { NULL, }; + struct scatterlist sg_out; + struct scatterlist sg_in; encdec_cbc_t encdecfunc; struct page *in_page, *out_page; unsigned in_offs, out_offs; int err; + sg_init_table(&sg_out, 1); + sg_init_table(&sg_in, 1); + if (cmd == READ) { in_page = raw_page; in_offs = raw_off; @@ -146,11 +150,11 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, u32 iv[4] = { 0, }; iv[0] = cpu_to_le32(IV & 0xffffffff); - sg_in.page = in_page; + sg_set_page(&sg_in, in_page); sg_in.offset = in_offs; sg_in.length = sz; - sg_out.page = out_page; + sg_set_page(&sg_out, out_page); sg_out.offset = out_offs; sg_out.length = sz; |