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Message-Id: <20230208073206.111814-1-jefflexu@linux.alibaba.com>
Date: Wed, 8 Feb 2023 15:32:06 +0800
From: Jingbo Xu <jefflexu@...ux.alibaba.com>
To: xiang@...nel.org, chao@...nel.org, linux-erofs@...ts.ozlabs.org,
zhujia.zj@...edance.com
Cc: huyue2@...lpad.com, linux-kernel@...r.kernel.org
Subject: [PATCH] erofs: relinquish volume with mutex held
Relinquish fscache volume with mutex held. Otherwise if a new domain is
registered when the old domain with the same name gets removed from the
list but not relinquished yet, fscache may complain the collision.
Signed-off-by: Jingbo Xu <jefflexu@...ux.alibaba.com>
---
fs/erofs/fscache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index 8da6e05e9d23..35b2d8b5773e 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -328,8 +328,8 @@ static void erofs_fscache_domain_put(struct erofs_domain *domain)
kern_unmount(erofs_pseudo_mnt);
erofs_pseudo_mnt = NULL;
}
- mutex_unlock(&erofs_domain_list_lock);
fscache_relinquish_volume(domain->volume, NULL, false);
+ mutex_unlock(&erofs_domain_list_lock);
kfree(domain->domain_id);
kfree(domain);
return;
--
2.19.1.6.gb485710b
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