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>
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 3d5d488..3ea6fc8 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2868,11 +2868,12 @@
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 @@
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 @@
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 @@
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 @@
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