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| author | Pavel Shilovsky <pshilovsky@samba.org> | 2014-07-10 10:16:25 +0400 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2014-08-02 01:23:04 -0500 |
| commit | b3160aebb49b5e07f6bc3b8c5bed6013ca9e422e (patch) | |
| tree | b0c53abb14383d17878ece629d656acd95bcfbe1 /fs/cifs/file.c | |
| parent | 34a54d617785e5ecafe1605df7aa689ec193964c (diff) | |
| download | linux-b3160aebb49b5e07f6bc3b8c5bed6013ca9e422e.tar.gz | |
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>
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 3d5d48838519..3ea6fc86a471 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -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 |