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Update fs/ to use sg helpers

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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2007-10-22 19:43:30 +02:00
parent 45711f1af6
commit 60c74f8193
3 changed files with 17 additions and 10 deletions
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16
fs/ecryptfs/crypto.c
View file

@ -283,7 +283,7 @@ int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg,
pg = virt_to_page(addr); pg = virt_to_page(addr);
offset = offset_in_page(addr); offset = offset_in_page(addr);
if (sg) { if (sg) {
sg[i].page = pg; sg_set_page(&sg[i], pg);
sg[i].offset = offset; sg[i].offset = offset;
} }
remainder_of_page = PAGE_CACHE_SIZE - offset; remainder_of_page = PAGE_CACHE_SIZE - offset;
@ -713,10 +713,13 @@ ecryptfs_encrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat,
{ {
struct scatterlist src_sg, dst_sg; struct scatterlist src_sg, dst_sg;
src_sg.page = src_page; sg_init_table(&src_sg, 1);
sg_init_table(&dst_sg, 1);
sg_set_page(&src_sg, src_page);
src_sg.offset = src_offset; src_sg.offset = src_offset;
src_sg.length = size; src_sg.length = size;
dst_sg.page = dst_page; sg_set_page(&dst_sg, dst_page);
dst_sg.offset = dst_offset; dst_sg.offset = dst_offset;
dst_sg.length = size; dst_sg.length = size;
return encrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv); return encrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);
@ -742,10 +745,13 @@ ecryptfs_decrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat,
{ {
struct scatterlist src_sg, dst_sg; struct scatterlist src_sg, dst_sg;
src_sg.page = src_page; sg_init_table(&src_sg, 1);
sg_init_table(&dst_sg, 1);
sg_set_page(&src_sg, src_page);
src_sg.offset = src_offset; src_sg.offset = src_offset;
src_sg.length = size; src_sg.length = size;
dst_sg.page = dst_page; sg_set_page(&dst_sg, dst_page);
dst_sg.offset = dst_offset; dst_sg.offset = dst_offset;
dst_sg.length = size; dst_sg.length = size;
return decrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv); return decrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);

3
fs/ecryptfs/keystore.c
View file

@ -1040,6 +1040,9 @@ decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
}; };
int rc = 0; int rc = 0;
sg_init_table(&dst_sg, 1);
sg_init_table(&src_sg, 1);
if (unlikely(ecryptfs_verbosity > 0)) { if (unlikely(ecryptfs_verbosity > 0)) {
ecryptfs_printk( ecryptfs_printk(
KERN_DEBUG, "Session key encryption key (size [%d]):\n", KERN_DEBUG, "Session key encryption key (size [%d]):\n",

8
fs/nfsd/nfs4recover.c
View file

@ -88,7 +88,7 @@ nfs4_make_rec_clidname(char *dname, struct xdr_netobj *clname)
{ {
struct xdr_netobj cksum; struct xdr_netobj cksum;
struct hash_desc desc; struct hash_desc desc;
struct scatterlist sg[1]; struct scatterlist sg;
__be32 status = nfserr_resource; __be32 status = nfserr_resource;
dprintk("NFSD: nfs4_make_rec_clidname for %.*s\n", dprintk("NFSD: nfs4_make_rec_clidname for %.*s\n",
@ -102,11 +102,9 @@ nfs4_make_rec_clidname(char *dname, struct xdr_netobj *clname)
if (cksum.data == NULL) if (cksum.data == NULL)
goto out; goto out;
sg[0].page = virt_to_page(clname->data); sg_init_one(&sg, clname->data, clname->len);
sg[0].offset = offset_in_page(clname->data);
sg[0].length = clname->len;
if (crypto_hash_digest(&desc, sg, sg->length, cksum.data)) if (crypto_hash_digest(&desc, &sg, sg.length, cksum.data))
goto out; goto out;
md5_to_hex(dname, cksum.data); md5_to_hex(dname, cksum.data);