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Diffstat (limited to 'fs/ceph/ceph_fs.h')
-rw-r--r--fs/ceph/ceph_fs.h87
1 files changed, 55 insertions, 32 deletions
diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
index 2fa992eaf7da..d5619ac86711 100644
--- a/fs/ceph/ceph_fs.h
+++ b/fs/ceph/ceph_fs.h
@@ -9,27 +9,13 @@
* LGPL2
*/
-#ifndef _FS_CEPH_CEPH_FS_H
-#define _FS_CEPH_CEPH_FS_H
+#ifndef CEPH_FS_H
+#define CEPH_FS_H
#include "msgr.h"
#include "rados.h"
/*
- * Ceph release version
- */
-#define CEPH_VERSION_MAJOR 0
-#define CEPH_VERSION_MINOR 20
-#define CEPH_VERSION_PATCH 0
-
-#define _CEPH_STRINGIFY(x) #x
-#define CEPH_STRINGIFY(x) _CEPH_STRINGIFY(x)
-#define CEPH_MAKE_VERSION(x, y, z) CEPH_STRINGIFY(x) "." CEPH_STRINGIFY(y) \
- "." CEPH_STRINGIFY(z)
-#define CEPH_VERSION CEPH_MAKE_VERSION(CEPH_VERSION_MAJOR, \
- CEPH_VERSION_MINOR, CEPH_VERSION_PATCH)
-
-/*
* subprotocol versions. when specific messages types or high-level
* protocols change, bump the affected components. we keep rev
* internal cluster protocols separately from the public,
@@ -53,18 +39,10 @@
/*
* feature bits
*/
-#define CEPH_FEATURE_UID 1
-#define CEPH_FEATURE_NOSRCADDR 2
-#define CEPH_FEATURE_FLOCK 4
-
-#define CEPH_FEATURE_SUPPORTED_MON CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
-#define CEPH_FEATURE_REQUIRED_MON CEPH_FEATURE_UID
-#define CEPH_FEATURE_SUPPORTED_MDS CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR|CEPH_FEATURE_FLOCK
-#define CEPH_FEATURE_REQUIRED_MDS CEPH_FEATURE_UID
-#define CEPH_FEATURE_SUPPORTED_OSD CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
-#define CEPH_FEATURE_REQUIRED_OSD CEPH_FEATURE_UID
-#define CEPH_FEATURE_SUPPORTED_CLIENT CEPH_FEATURE_NOSRCADDR
-#define CEPH_FEATURE_REQUIRED_CLIENT CEPH_FEATURE_NOSRCADDR
+#define CEPH_FEATURE_UID (1<<0)
+#define CEPH_FEATURE_NOSRCADDR (1<<1)
+#define CEPH_FEATURE_MONCLOCKCHECK (1<<2)
+#define CEPH_FEATURE_FLOCK (1<<3)
/*
@@ -96,6 +74,8 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
#define CEPH_CRYPTO_NONE 0x0
#define CEPH_CRYPTO_AES 0x1
+#define CEPH_AES_IV "cephsageyudagreg"
+
/* security/authentication protocols */
#define CEPH_AUTH_UNKNOWN 0x0
#define CEPH_AUTH_NONE 0x1
@@ -275,6 +255,7 @@ extern const char *ceph_mds_state_name(int s);
#define CEPH_LOCK_IDFT 512 /* dir frag tree */
#define CEPH_LOCK_INEST 1024 /* mds internal */
#define CEPH_LOCK_IXATTR 2048
+#define CEPH_LOCK_IFLOCK 4096 /* advisory file locks */
#define CEPH_LOCK_INO 8192 /* immutable inode bits; not a lock */
/* client_session ops */
@@ -316,6 +297,8 @@ enum {
CEPH_MDS_OP_RMXATTR = 0x01106,
CEPH_MDS_OP_SETLAYOUT = 0x01107,
CEPH_MDS_OP_SETATTR = 0x01108,
+ CEPH_MDS_OP_SETFILELOCK= 0x01109,
+ CEPH_MDS_OP_GETFILELOCK= 0x00110,
CEPH_MDS_OP_MKNOD = 0x01201,
CEPH_MDS_OP_LINK = 0x01202,
@@ -386,6 +369,15 @@ union ceph_mds_request_args {
struct {
struct ceph_file_layout layout;
} __attribute__ ((packed)) setlayout;
+ struct {
+ __u8 rule; /* currently fcntl or flock */
+ __u8 type; /* shared, exclusive, remove*/
+ __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? */
+ } __attribute__ ((packed)) filelock_change;
} __attribute__ ((packed));
#define CEPH_MDS_FLAG_REPLAY 1 /* this is a replayed op */
@@ -480,6 +472,23 @@ struct ceph_mds_reply_dirfrag {
__le32 dist[];
} __attribute__ ((packed));
+#define CEPH_LOCK_FCNTL 1
+#define CEPH_LOCK_FLOCK 2
+
+#define CEPH_LOCK_SHARED 1
+#define CEPH_LOCK_EXCL 2
+#define CEPH_LOCK_UNLOCK 4
+
+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 pid; /* process id holding the lock on the client */
+ __le64 pid_namespace;
+ __u8 type; /* shared lock, exclusive lock, or unlock */
+} __attribute__ ((packed));
+
+
/* file access modes */
#define CEPH_FILE_MODE_PIN 0
#define CEPH_FILE_MODE_RD 1
@@ -508,9 +517,10 @@ int ceph_flags_to_mode(int flags);
#define CEPH_CAP_SAUTH 2
#define CEPH_CAP_SLINK 4
#define CEPH_CAP_SXATTR 6
-#define CEPH_CAP_SFILE 8 /* goes at the end (uses >2 cap bits) */
+#define CEPH_CAP_SFILE 8
+#define CEPH_CAP_SFLOCK 20
-#define CEPH_CAP_BITS 16
+#define CEPH_CAP_BITS 22
/* composed values */
#define CEPH_CAP_AUTH_SHARED (CEPH_CAP_GSHARED << CEPH_CAP_SAUTH)
@@ -528,6 +538,9 @@ int ceph_flags_to_mode(int flags);
#define CEPH_CAP_FILE_BUFFER (CEPH_CAP_GBUFFER << CEPH_CAP_SFILE)
#define CEPH_CAP_FILE_WREXTEND (CEPH_CAP_GWREXTEND << CEPH_CAP_SFILE)
#define CEPH_CAP_FILE_LAZYIO (CEPH_CAP_GLAZYIO << CEPH_CAP_SFILE)
+#define CEPH_CAP_FLOCK_SHARED (CEPH_CAP_GSHARED << CEPH_CAP_SFLOCK)
+#define CEPH_CAP_FLOCK_EXCL (CEPH_CAP_GEXCL << CEPH_CAP_SFLOCK)
+
/* cap masks (for getattr) */
#define CEPH_STAT_CAP_INODE CEPH_CAP_PIN
@@ -563,7 +576,8 @@ int ceph_flags_to_mode(int flags);
CEPH_CAP_FILE_EXCL)
#define CEPH_CAP_ANY_WR (CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_FILE_WR)
#define CEPH_CAP_ANY (CEPH_CAP_ANY_RD | CEPH_CAP_ANY_EXCL | \
- CEPH_CAP_ANY_FILE_WR | CEPH_CAP_PIN)
+ CEPH_CAP_ANY_FILE_WR | CEPH_CAP_FILE_LAZYIO | \
+ CEPH_CAP_PIN)
#define CEPH_CAP_LOCKS (CEPH_LOCK_IFILE | CEPH_LOCK_IAUTH | CEPH_LOCK_ILINK | \
CEPH_LOCK_IXATTR)
@@ -653,12 +667,21 @@ struct ceph_mds_cap_reconnect {
__le64 cap_id;
__le32 wanted;
__le32 issued;
+ __le64 snaprealm;
+ __le64 pathbase; /* base ino for our path to this ino */
+ __le32 flock_len; /* size of flock state blob, if any */
+} __attribute__ ((packed));
+/* followed by flock blob */
+
+struct ceph_mds_cap_reconnect_v1 {
+ __le64 cap_id;
+ __le32 wanted;
+ __le32 issued;
__le64 size;
struct ceph_timespec mtime, atime;
__le64 snaprealm;
__le64 pathbase; /* base ino for our path to this ino */
} __attribute__ ((packed));
-/* followed by encoded string */
struct ceph_mds_snaprealm_reconnect {
__le64 ino; /* snap realm base */