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From: Jingbo Xu <jefflexu@linux.alibaba.com>
To: xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] erofs: add sysfs feature entry for xattr prefixes
Date: Tue,  1 Sep 2026 10:46:22 +0800	[thread overview]
Message-ID: <20260901024622.108319-1-jefflexu@linux.alibaba.com> (raw)

Let /sys/fs/erofs/features/xattr_prefixes advertise that this kernel
supports the EROFS_FEATURE_INCOMPAT_XATTR_PREFIXES on-disk format.

Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
---
 fs/erofs/sysfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c
index 6734483a440f..dfcec9376cd5 100644
--- a/fs/erofs/sysfs.c
+++ b/fs/erofs/sysfs.c
@@ -95,6 +95,7 @@ EROFS_ATTR_FEATURE(sb_chksum);
 EROFS_ATTR_FEATURE(ztailpacking);
 EROFS_ATTR_FEATURE(fragments);
 EROFS_ATTR_FEATURE(dedupe);
+EROFS_ATTR_FEATURE(xattr_prefixes);
 EROFS_ATTR_FEATURE(48bit);
 EROFS_ATTR_FEATURE(metabox);
 
@@ -108,6 +109,7 @@ static struct attribute *erofs_feat_attrs[] = {
 	ATTR_LIST(ztailpacking),
 	ATTR_LIST(fragments),
 	ATTR_LIST(dedupe),
+	ATTR_LIST(xattr_prefixes),
 	ATTR_LIST(48bit),
 	ATTR_LIST(metabox),
 	NULL,
-- 
2.19.1.6.gb485710b



             reply	other threads:[~2026-09-01  2:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-01  2:46 Jingbo Xu [this message]
2026-09-01  5:58 ` [PATCH] erofs: add sysfs feature entry for xattr prefixes Gao Xiang

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