From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 8 May 2024 21:33:29 +0000 (-0400)
Subject: bcachefs: fsync() should not return -EROFS
X-Git-Tag: v6.10-rc1~99^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d09a8468d915850709ae5f34c23e2b24cb5c3c62;p=thirdparty%2Fkernel%2Flinux.git

bcachefs: fsync() should not return -EROFS

fsync has a slightly odd usage of -EROFS, where it means "does not
support fsync". I didn't choose it...

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index 442bcb0793c41..ef20b64033e09 100644
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -202,7 +202,10 @@ int bch2_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 		goto out;
 	ret = bch2_flush_inode(c, inode);
 out:
-	return bch2_err_class(ret);
+	ret = bch2_err_class(ret);
+	if (ret == -EROFS)
+		ret = -EIO;
+	return ret;
 }
 
 /* truncate: */