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Diffstat (limited to 'include/linux/ceph/ceph_fs.h')
-rw-r--r--include/linux/ceph/ceph_fs.h76
1 files changed, 65 insertions, 11 deletions
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index cf6f4d998a7..3c97d5e9b95 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -21,16 +21,14 @@
* internal cluster protocols separately from the public,
* client-facing protocol.
*/
-#define CEPH_OSD_PROTOCOL 8 /* cluster internal */
-#define CEPH_MDS_PROTOCOL 12 /* cluster internal */
-#define CEPH_MON_PROTOCOL 5 /* cluster internal */
#define CEPH_OSDC_PROTOCOL 24 /* server/client */
#define CEPH_MDSC_PROTOCOL 32 /* server/client */
#define CEPH_MONC_PROTOCOL 15 /* server/client */
-#define CEPH_INO_ROOT 1
-#define CEPH_INO_CEPH 2 /* hidden .ceph dir */
+#define CEPH_INO_ROOT 1
+#define CEPH_INO_CEPH 2 /* hidden .ceph dir */
+#define CEPH_INO_DOTDOT 3 /* used by ceph fuse for parent (..) */
/* arbitrary limit on max # of monitors (cluster of 3 is typical) */
#define CEPH_MAX_MON 31
@@ -51,10 +49,33 @@ struct ceph_file_layout {
__le32 fl_object_stripe_unit; /* UNUSED. for per-object parity, if any */
/* object -> pg layout */
- __le32 fl_unused; /* unused; used to be preferred primary (-1) */
+ __le32 fl_unused; /* unused; used to be preferred primary for pg (-1 for none) */
__le32 fl_pg_pool; /* namespace, crush ruleset, rep level */
} __attribute__ ((packed));
+#define ceph_file_layout_su(l) ((__s32)le32_to_cpu((l).fl_stripe_unit))
+#define ceph_file_layout_stripe_count(l) \
+ ((__s32)le32_to_cpu((l).fl_stripe_count))
+#define ceph_file_layout_object_size(l) ((__s32)le32_to_cpu((l).fl_object_size))
+#define ceph_file_layout_cas_hash(l) ((__s32)le32_to_cpu((l).fl_cas_hash))
+#define ceph_file_layout_object_su(l) \
+ ((__s32)le32_to_cpu((l).fl_object_stripe_unit))
+#define ceph_file_layout_pg_pool(l) \
+ ((__s32)le32_to_cpu((l).fl_pg_pool))
+
+static inline unsigned ceph_file_layout_stripe_width(struct ceph_file_layout *l)
+{
+ return le32_to_cpu(l->fl_stripe_unit) *
+ le32_to_cpu(l->fl_stripe_count);
+}
+
+/* "period" == bytes before i start on a new set of objects */
+static inline unsigned ceph_file_layout_period(struct ceph_file_layout *l)
+{
+ return le32_to_cpu(l->fl_object_size) *
+ le32_to_cpu(l->fl_stripe_count);
+}
+
#define CEPH_MIN_STRIPE_UNIT 65536
int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
@@ -101,6 +122,8 @@ struct ceph_dir_layout {
#define CEPH_MSG_MON_SUBSCRIBE_ACK 16
#define CEPH_MSG_AUTH 17
#define CEPH_MSG_AUTH_REPLY 18
+#define CEPH_MSG_MON_GET_VERSION 19
+#define CEPH_MSG_MON_GET_VERSION_REPLY 20
/* client <-> mds */
#define CEPH_MSG_MDS_MAP 21
@@ -221,6 +244,11 @@ struct ceph_mon_subscribe_ack {
} __attribute__ ((packed));
/*
+ * mdsmap flags
+ */
+#define CEPH_MDSMAP_DOWN (1<<0) /* cluster deliberately down */
+
+/*
* mds states
* > 0 -> in
* <= 0 -> out
@@ -233,6 +261,7 @@ struct ceph_mon_subscribe_ack {
#define CEPH_MDS_STATE_CREATING -6 /* up, creating MDS instance. */
#define CEPH_MDS_STATE_STARTING -7 /* up, starting previously stopped mds */
#define CEPH_MDS_STATE_STANDBY_REPLAY -8 /* up, tailing active node's journal */
+#define CEPH_MDS_STATE_REPLAYONCE -9 /* up, replaying an active node's journal */
#define CEPH_MDS_STATE_REPLAY 8 /* up, replaying journal. */
#define CEPH_MDS_STATE_RESOLVE 9 /* up, disambiguating distributed
@@ -264,6 +293,7 @@ extern const char *ceph_mds_state_name(int s);
#define CEPH_LOCK_IXATTR 2048
#define CEPH_LOCK_IFLOCK 4096 /* advisory file locks */
#define CEPH_LOCK_INO 8192 /* immutable inode bits; not a lock */
+#define CEPH_LOCK_IPOLICY 16384 /* policy lock on dirs. MDS internal */
/* client_session ops */
enum {
@@ -275,6 +305,8 @@ enum {
CEPH_SESSION_RENEWCAPS,
CEPH_SESSION_STALE,
CEPH_SESSION_RECALL_STATE,
+ CEPH_SESSION_FLUSHMSG,
+ CEPH_SESSION_FLUSHMSG_ACK,
};
extern const char *ceph_session_op_name(int op);
@@ -300,6 +332,7 @@ enum {
CEPH_MDS_OP_LOOKUPHASH = 0x00102,
CEPH_MDS_OP_LOOKUPPARENT = 0x00103,
CEPH_MDS_OP_LOOKUPINO = 0x00104,
+ CEPH_MDS_OP_LOOKUPNAME = 0x00105,
CEPH_MDS_OP_SETXATTR = 0x01105,
CEPH_MDS_OP_RMXATTR = 0x01106,
@@ -338,6 +371,13 @@ extern const char *ceph_mds_op_name(int op);
#define CEPH_SETATTR_SIZE 32
#define CEPH_SETATTR_CTIME 64
+/*
+ * Ceph setxattr request flags.
+ */
+#define CEPH_XATTR_CREATE (1 << 0)
+#define CEPH_XATTR_REPLACE (1 << 1)
+#define CEPH_XATTR_REMOVE (1 << 31)
+
union ceph_mds_request_args {
struct {
__le32 mask; /* CEPH_CAP_* */
@@ -381,8 +421,8 @@ union ceph_mds_request_args {
struct {
__u8 rule; /* currently fcntl or flock */
__u8 type; /* shared, exclusive, remove*/
+ __le64 owner; /* owner of the lock */
__le64 pid; /* process id requesting the lock */
- __le64 pid_namespace;
__le64 start; /* initial location to lock */
__le64 length; /* num bytes to lock from start */
__u8 wait; /* will caller wait for lock to become available? */
@@ -444,7 +484,8 @@ struct ceph_mds_reply_cap {
__u8 flags; /* CEPH_CAP_FLAG_* */
} __attribute__ ((packed));
-#define CEPH_CAP_FLAG_AUTH 1 /* cap is issued by auth mds */
+#define CEPH_CAP_FLAG_AUTH (1 << 0) /* cap is issued by auth mds */
+#define CEPH_CAP_FLAG_RELEASE (1 << 1) /* release the cap */
/* inode record, for bundling with mds reply */
struct ceph_mds_reply_inode {
@@ -492,8 +533,8 @@ struct ceph_filelock {
__le64 start;/* file offset to start lock at */
__le64 length; /* num bytes to lock; 0 for all following start */
__le64 client; /* which client holds the lock */
+ __le64 owner; /* owner the lock */
__le64 pid; /* process id holding the lock on the client */
- __le64 pid_namespace;
__u8 type; /* shared lock, exclusive lock, or unlock */
} __attribute__ ((packed));
@@ -522,14 +563,17 @@ int ceph_flags_to_mode(int flags);
#define CEPH_CAP_GWREXTEND 64 /* (file) client can extend EOF */
#define CEPH_CAP_GLAZYIO 128 /* (file) client can perform lazy io */
+#define CEPH_CAP_SIMPLE_BITS 2
+#define CEPH_CAP_FILE_BITS 8
+
/* per-lock shift */
#define CEPH_CAP_SAUTH 2
#define CEPH_CAP_SLINK 4
#define CEPH_CAP_SXATTR 6
#define CEPH_CAP_SFILE 8
-#define CEPH_CAP_SFLOCK 20
+#define CEPH_CAP_SFLOCK 20
-#define CEPH_CAP_BITS 22
+#define CEPH_CAP_BITS 22
/* composed values */
#define CEPH_CAP_AUTH_SHARED (CEPH_CAP_GSHARED << CEPH_CAP_SAUTH)
@@ -581,6 +625,8 @@ int ceph_flags_to_mode(int flags);
CEPH_CAP_LINK_EXCL | \
CEPH_CAP_XATTR_EXCL | \
CEPH_CAP_FILE_EXCL)
+#define CEPH_CAP_ANY_FILE_RD (CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE | \
+ CEPH_CAP_FILE_SHARED)
#define CEPH_CAP_ANY_FILE_WR (CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER | \
CEPH_CAP_FILE_EXCL)
#define CEPH_CAP_ANY_WR (CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_FILE_WR)
@@ -642,6 +688,14 @@ struct ceph_mds_caps {
__le32 time_warp_seq;
} __attribute__ ((packed));
+struct ceph_mds_cap_peer {
+ __le64 cap_id;
+ __le32 seq;
+ __le32 mseq;
+ __le32 mds;
+ __u8 flags;
+} __attribute__ ((packed));
+
/* cap release msg head */
struct ceph_mds_cap_release {
__le32 num; /* number of cap_items that follow */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 16:18:12 +0000