This is a note to let you know that I've just added the patch titled
fuse: fsync() did not return IO errors
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fuse-fsync-did-not-return-io-errors.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ac7f052b9e1534c8248f814b6f0068ad8d4a06d2 Mon Sep 17 00:00:00 2001
From: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
Date: Tue, 19 Jul 2016 12:48:01 -0700
Subject: fuse: fsync() did not return IO errors
From: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
commit ac7f052b9e1534c8248f814b6f0068ad8d4a06d2 upstream.
Due to implementation of fuse writeback filemap_write_and_wait_range() does
not catch errors. We have to do this directly after fuse_sync_writes()
Signed-off-by: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>
Signed-off-by: Maxim Patlasov <mpatlasov@xxxxxxxxxxxxx>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Fixes: 4d99ff8f12eb ("fuse: Turn writeback cache on")
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/fuse/file.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -462,6 +462,21 @@ int fuse_fsync_common(struct file *file,
goto out;
fuse_sync_writes(inode);
+
+ /*
+ * Due to implementation of fuse writeback
+ * filemap_write_and_wait_range() does not catch errors.
+ * We have to do this directly after fuse_sync_writes()
+ */
+ if (test_bit(AS_ENOSPC, &file->f_mapping->flags) &&
+ test_and_clear_bit(AS_ENOSPC, &file->f_mapping->flags))
+ err = -ENOSPC;
+ if (test_bit(AS_EIO, &file->f_mapping->flags) &&
+ test_and_clear_bit(AS_EIO, &file->f_mapping->flags))
+ err = -EIO;
+ if (err)
+ goto out;
+
err = sync_inode_metadata(inode, 1);
if (err)
goto out;
Patches currently in stable-queue which might be from kuznet@xxxxxxxxxxxxx are
queue-4.7/fuse-fsync-did-not-return-io-errors.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html