From: Christian Brauner <brauner@kernel.org>
Date: Tue, 18 Jun 2024 12:12:28 +0000 (+0200)
Subject: fs: fix dentry size
X-Git-Tag: v6.11-rc1~237^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dc99c0ff53f588bb210b1e8b3314c7581cde68a2;p=thirdparty%2Fkernel%2Flinux.git

fs: fix dentry size

On CONFIG_SMP=y and on 32bit we need to decrease DNAME_INLINE_LEN to 36
btyes to end up with 128 bytes in total.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Links: https://lore.kernel.org/r/CAHk-=whtoqTSCcAvV-X-KPqoDWxS4vxmWpuKLB+Vv8=FtUd5vA@mail.gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 326dbccc3736f..58916b3f53ad1 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -71,7 +71,7 @@ extern const struct qstr dotdot_name;
 # define DNAME_INLINE_LEN 40 /* 192 bytes */
 #else
 # ifdef CONFIG_SMP
-#  define DNAME_INLINE_LEN 40 /* 128 bytes */
+#  define DNAME_INLINE_LEN 36 /* 128 bytes */
 # else
 #  define DNAME_INLINE_LEN 44 /* 128 bytes */
 # endif