From: xiubli@redhat.com
To: jlayton@kernel.org
Cc: idryomov@gmail.com, pdonnell@redhat.com, ukernel@gmail.com,
ceph-devel@vger.kernel.org, Xiubo Li <xiubli@redhat.com>
Subject: [PATCH] ceph: make the lost+found dir accessible by kernel client
Date: Mon, 19 Apr 2021 10:32:37 +0800 [thread overview]
Message-ID: <20210419023237.1177430-1-xiubli@redhat.com> (raw)
From: Xiubo Li <xiubli@redhat.com>
Inode number 0x4 is reserved for the lost+found dir, and the app
or test app need to access it.
URL: https://tracker.ceph.com/issues/50216
Signed-off-by: Xiubo Li <xiubli@redhat.com>
---
fs/ceph/super.h | 3 ++-
include/linux/ceph/ceph_fs.h | 7 ++++---
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 4808a1458c9b..0f38e6183ff0 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -542,7 +542,8 @@ static inline int ceph_ino_compare(struct inode *inode, void *data)
static inline bool ceph_vino_is_reserved(const struct ceph_vino vino)
{
- if (vino.ino < CEPH_INO_SYSTEM_BASE && vino.ino != CEPH_INO_ROOT) {
+ if (vino.ino < CEPH_INO_SYSTEM_BASE && vino.ino != CEPH_INO_ROOT &&
+ vino.ino != CEPH_INO_LOST_AND_FOUND ) {
WARN_RATELIMIT(1, "Attempt to access reserved inode number 0x%llx", vino.ino);
return true;
}
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index e41a811026f6..57e5bd63fb7a 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -27,9 +27,10 @@
#define CEPH_MONC_PROTOCOL 15 /* server/client */
-#define CEPH_INO_ROOT 1
-#define CEPH_INO_CEPH 2 /* hidden .ceph dir */
-#define CEPH_INO_DOTDOT 3 /* used by ceph fuse for parent (..) */
+#define CEPH_INO_ROOT 1
+#define CEPH_INO_CEPH 2 /* hidden .ceph dir */
+#define CEPH_INO_DOTDOT 3 /* used by ceph fuse for parent (..) */
+#define CEPH_INO_LOST_AND_FOUND 4 /* lost+found dir */
/* arbitrary limit on max # of monitors (cluster of 3 is typical) */
#define CEPH_MAX_MON 31
--
2.27.0
next reply other threads:[~2021-04-19 2:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-19 2:32 xiubli [this message]
2021-04-19 16:09 ` [PATCH] ceph: make the lost+found dir accessible by kernel client Jeff Layton
2021-04-20 0:23 ` Xiubo Li
2021-04-20 2:02 ` Xiubo Li
2021-04-20 12:51 ` Jeff Layton
2021-04-20 13:30 ` Xiubo Li
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