From: Edward Shishkin <edward.shishkin@gmail.com>
Date: Tue, 26 Oct 2010 21:22:28 +0000 (-0700)
Subject: fs/direct-io.c: fix truncation error in dio_complete() return
X-Git-Tag: firefly_0821_release~7613^2~3628^2~81
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cd1c584f380183aca268d454c14b22d8454eac4f;p=firefly-linux-kernel-4.4.55.git

fs/direct-io.c: fix truncation error in dio_complete() return

Fix up truncation (ssize_t->int).  This only matters with >2G
reads/writes, which the kernel doesn't permit.

Signed-off-by: Edward Shishkin <edward@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 48d74c7391d1..85882f6ba5f7 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -218,7 +218,7 @@ static struct page *dio_get_page(struct dio *dio)
  * filesystems can use it to hold additional state between get_block calls and
  * dio_complete.
  */
-static int dio_complete(struct dio *dio, loff_t offset, int ret, bool is_async)
+static ssize_t dio_complete(struct dio *dio, loff_t offset, ssize_t ret, bool is_async)
 {
 	ssize_t transferred = 0;