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CIFS: Count got bytes in read_into_pages() 

that let us know how many bytes we have already got before reconnect.

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky 2014-07-10 10:16:25 +04:00 committed by Steve French
parent 34a54d6177
commit b3160aebb4
2 changed files with 10 additions and 7 deletions
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1
fs/cifs/cifssmb.c
View File

@ -1513,7 +1513,6 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
return length;
server->total_read += length;
rdata->got_bytes = length;
cifs_dbg(FYI, "total_read=%u buflen=%u remaining=%u\n",
server->total_read, buflen, data_len);

16
fs/cifs/file.c
View File

@ -2868,11 +2868,12 @@ static int
cifs_uncached_read_into_pages(struct TCP_Server_Info *server,
struct cifs_readdata *rdata, unsigned int len)
{
int total_read = 0, result = 0;
int result = 0;
unsigned int i;
unsigned int nr_pages = rdata->nr_pages;
struct kvec iov;
rdata->got_bytes = 0;
rdata->tailsz = PAGE_SIZE;
for (i = 0; i < nr_pages; i++) {
struct page *page = rdata->pages[i];
@ -2906,10 +2907,11 @@ cifs_uncached_read_into_pages(struct TCP_Server_Info *server,
if (result < 0)
break;
total_read += result;
rdata->got_bytes += result;
}
return total_read > 0 && result != -ECONNABORTED ? total_read : result;
return rdata->got_bytes > 0 && result != -ECONNABORTED ?
rdata->got_bytes : result;
}
static int
@ -3290,7 +3292,7 @@ static int
cifs_readpages_read_into_pages(struct TCP_Server_Info *server,
struct cifs_readdata *rdata, unsigned int len)
{
int total_read = 0, result = 0;
int result = 0;
unsigned int i;
u64 eof;
pgoff_t eof_index;
@ -3302,6 +3304,7 @@ cifs_readpages_read_into_pages(struct TCP_Server_Info *server,
eof_index = eof ? (eof - 1) >> PAGE_CACHE_SHIFT : 0;
cifs_dbg(FYI, "eof=%llu eof_index=%lu\n", eof, eof_index);
rdata->got_bytes = 0;
rdata->tailsz = PAGE_CACHE_SIZE;
for (i = 0; i < nr_pages; i++) {
struct page *page = rdata->pages[i];
@ -3356,10 +3359,11 @@ cifs_readpages_read_into_pages(struct TCP_Server_Info *server,
if (result < 0)
break;
total_read += result;
rdata->got_bytes += result;
}
return total_read > 0 && result != -ECONNABORTED ? total_read : result;
return rdata->got_bytes > 0 && result != -ECONNABORTED ?
rdata->got_bytes : result;
}
static int