linux-kernel - [PATCH] fs/ceph:fix speical error code in ceph_try_get

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Message-ID: <1588125715-188363-1-git-send-email-wubo40@huawei.com>
Date:   Wed, 29 Apr 2020 10:01:55 +0800
From:   Wu Bo <wubo40@...wei.com>
To:     <jlayton@...nel.org>, <sage@...hat.com>, <idryomov@...il.com>
CC:     <ceph-devel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <liuzhiqiang26@...wei.com>, <linfeilong@...wei.com>,
        <wubo40@...wei.com>
Subject: [PATCH] fs/ceph:fix speical error code in ceph_try_get_caps()

There are 3 speical error codes: -EAGAIN/-EFBIG/-ESTALE.
After call try_get_cap_refs function, judge the same 
error code -EAGAIN twice. So corrected the error code of judgment 
from -EAGAIN to -ESTAE.

Signed-off-by: Wu Bo <wubo40@...wei.com>
---
 fs/ceph/caps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 185db76..1a8e20e 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2749,7 +2749,7 @@ int ceph_try_get_caps(struct inode *inode, int need, int want,
 
 	ret = try_get_cap_refs(inode, need, want, 0, flags, got);
 	/* three special error codes */
-	if (ret == -EAGAIN || ret == -EFBIG || ret == -EAGAIN)
+	if (ret == -EAGAIN || ret == -EFBIG || ret == -ESTALE)
 		ret = 0;
 	return ret;
 }
-- 
1.8.3.1