[PATCH AUTOSEL 6.13 7/7] netfs: Fix netfs_unbuffered_read() to return ssize_t rather than int
From: Sasha Levin
Date: Tue Mar 25 2025 - 14:47:07 EST
From: David Howells <dhowells@xxxxxxxxxx>
[ Upstream commit 07c574eb53d4cc9aa7b985bc8bfcb302e5dc4694 ]
Fix netfs_unbuffered_read() to return an ssize_t rather than an int as
netfs_wait_for_read() returns ssize_t and this gets implicitly truncated.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20250314164201.1993231-5-dhowells@xxxxxxxxxx
Acked-by: "Paulo Alcantara (Red Hat)" <pc@xxxxxxxxxxxxx>
cc: Jeff Layton <jlayton@xxxxxxxxxx>
cc: Viacheslav Dubeyko <slava@xxxxxxxxxxx>
cc: Alex Markuze <amarkuze@xxxxxxxxxx>
cc: Ilya Dryomov <idryomov@xxxxxxxxx>
cc: ceph-devel@xxxxxxxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/netfs/direct_read.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/netfs/direct_read.c b/fs/netfs/direct_read.c
index b1a66a6e6bc2d..917b7edc34ef5 100644
--- a/fs/netfs/direct_read.c
+++ b/fs/netfs/direct_read.c
@@ -108,9 +108,9 @@ static int netfs_dispatch_unbuffered_reads(struct netfs_io_request *rreq)
* Perform a read to an application buffer, bypassing the pagecache and the
* local disk cache.
*/
-static int netfs_unbuffered_read(struct netfs_io_request *rreq, bool sync)
+static ssize_t netfs_unbuffered_read(struct netfs_io_request *rreq, bool sync)
{
- int ret;
+ ssize_t ret;
_enter("R=%x %llx-%llx",
rreq->debug_id, rreq->start, rreq->start + rreq->len - 1);
@@ -149,7 +149,7 @@ static int netfs_unbuffered_read(struct netfs_io_request *rreq, bool sync)
}
out:
- _leave(" = %d", ret);
+ _leave(" = %zd", ret);
return ret;
}
--
2.39.5