Viewing: ext4-xattr-disable-credits-check.patch

commit 278fa1fb23d293f6dc9add95cc0f1178af91a7db
Author:     Alex Zhuravlev <bzzz@whamcloud.com>
AuthorDate: Fri Aug 9 13:55:24 2019 +0300

LU-12652 ldiskfs: disable credits check in 4.18

4.18 has a credits check in xattr_set path with different math
resulting in false ENOSPC and subsequent failure to update LMA.
as a result - many tests fail on 4.18, especially with DNE.

Signed-off-by: Alexey Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Change-Id: I82b19c0c24988aed66d74cf2323e93acffb14f31
Reviewed-on: https://review.whamcloud.com/35750

Index: focal/fs/ext4/xattr.c
===================================================================
--- focal.orig/fs/ext4/xattr.c
+++ focal/fs/ext4/xattr.c
@@ -2341,10 +2341,6 @@ ext4_xattr_set_handle(handle_t *handle,
 						   flags & XATTR_CREATE);
 		brelse(bh);
 
-		if (!ext4_handle_has_enough_credits(handle, credits)) {
-			error = -ENOSPC;
-			goto cleanup;
-		}
 		WARN_ON_ONCE(!(current->flags & PF_MEMALLOC_NOFS));
 	}