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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/linux/ceph/ceph_fs.h
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@@ -130,6 +130,7 @@
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 #define CEPH_MSG_CLIENT_REQUEST         24
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 #define CEPH_MSG_CLIENT_REQUEST_FORWARD 25
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 #define CEPH_MSG_CLIENT_REPLY           26
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+#define CEPH_MSG_CLIENT_METRICS         29
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 #define CEPH_MSG_CLIENT_CAPS            0x310
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 #define CEPH_MSG_CLIENT_LEASE           0x311
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 #define CEPH_MSG_CLIENT_SNAP            0x312
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@@ -287,6 +288,7 @@
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 	CEPH_SESSION_FLUSHMSG_ACK,
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 	CEPH_SESSION_FORCE_RO,
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 	CEPH_SESSION_REJECT,
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+	CEPH_SESSION_REQUEST_FLUSH_MDLOG,
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 };
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 extern const char *ceph_session_op_name(int op);
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@@ -436,10 +438,17 @@
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 		__le64 length; /* num bytes to lock from start */
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 		__u8 wait; /* will caller wait for lock to become available? */
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 	} __attribute__ ((packed)) filelock_change;
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+	struct {
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+		__le32 mask;                 /* CEPH_CAP_* */
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+		__le64 snapid;
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+		__le64 parent;
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+		__le32 hash;
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+	} __attribute__ ((packed)) lookupino;
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 } __attribute__ ((packed));
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-#define CEPH_MDS_FLAG_REPLAY        1  /* this is a replayed op */
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-#define CEPH_MDS_FLAG_WANT_DENTRY   2  /* want dentry in reply */
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+#define CEPH_MDS_FLAG_REPLAY		1 /* this is a replayed op */
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+#define CEPH_MDS_FLAG_WANT_DENTRY	2 /* want dentry in reply */
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+#define CEPH_MDS_FLAG_ASYNC		4 /* request is asynchronous */
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 struct ceph_mds_request_head {
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 	__le64 oldest_client_tid;
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@@ -524,6 +533,9 @@
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 	__le32 seq;
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 } __attribute__ ((packed));
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+#define CEPH_LEASE_VALID        (1 | 2) /* old and new bit values */
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+#define CEPH_LEASE_PRIMARY_LINK 4       /* primary linkage */
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+
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 struct ceph_mds_reply_dirfrag {
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 	__le32 frag;            /* fragment */
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 	__le32 auth;            /* auth mds, if this is a delegation point */
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@@ -558,6 +570,7 @@
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 #define CEPH_FILE_MODE_RDWR       3  /* RD | WR */
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 #define CEPH_FILE_MODE_LAZY       4  /* lazy io */
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 #define CEPH_FILE_MODE_BITS       4
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+#define CEPH_FILE_MODE_MASK       ((1 << CEPH_FILE_MODE_BITS) - 1)
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 int ceph_flags_to_mode(int flags);
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@@ -649,9 +662,18 @@
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 #define CEPH_CAP_ANY      (CEPH_CAP_ANY_RD | CEPH_CAP_ANY_EXCL | \
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 			   CEPH_CAP_ANY_FILE_WR | CEPH_CAP_FILE_LAZYIO | \
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 			   CEPH_CAP_PIN)
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+#define CEPH_CAP_ALL_FILE (CEPH_CAP_PIN | CEPH_CAP_ANY_SHARED | \
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+			   CEPH_CAP_AUTH_EXCL | CEPH_CAP_XATTR_EXCL | \
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+			   CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR)
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 #define CEPH_CAP_LOCKS (CEPH_LOCK_IFILE | CEPH_LOCK_IAUTH | CEPH_LOCK_ILINK | \
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 			CEPH_LOCK_IXATTR)
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+
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+/* cap masks async dir operations */
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+#define CEPH_CAP_DIR_CREATE	CEPH_CAP_FILE_CACHE
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+#define CEPH_CAP_DIR_UNLINK	CEPH_CAP_FILE_RD
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+#define CEPH_CAP_ANY_DIR_OPS	(CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_RD | \
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+				 CEPH_CAP_FILE_WREXTEND | CEPH_CAP_FILE_LAZYIO)
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 int ceph_caps_for_mode(int mode);
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@@ -676,7 +698,7 @@
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 /* flags field in client cap messages (version >= 10) */
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 #define CEPH_CLIENT_CAPS_SYNC			(1<<0)
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 #define CEPH_CLIENT_CAPS_NO_CAPSNAP		(1<<1)
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-#define CEPH_CLIENT_CAPS_PENDING_CAPSNAP	(1<<2);
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+#define CEPH_CLIENT_CAPS_PENDING_CAPSNAP	(1<<2)
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 /*
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  * caps message, used for capability callbacks, acks, requests, etc.