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CIFS: Use offset when reading pages

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With offset defined in rdata, transport functions need to look at this
offset when reading data into the correct places in pages.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Long Li
2018-05-30 12:47:55 -07:00
committed by Steve French
parent f9f5aca115
commit 1dbe3466b4
5 changed files with 45 additions and 19 deletions
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5
fs/cifs/connect.c
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@@ -599,10 +599,11 @@ cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
int
cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page,
unsigned int to_read)
unsigned int page_offset, unsigned int to_read)
{
struct msghdr smb_msg;
struct bio_vec bv = {.bv_page = page, .bv_len = to_read};
struct bio_vec bv = {
.bv_page = page, .bv_len = to_read, .bv_offset = page_offset};
iov_iter_bvec(&smb_msg.msg_iter, READ | ITER_BVEC, &bv, 1, to_read);
return cifs_readv_from_socket(server, &smb_msg);
}