diff options
Diffstat (limited to 'fs/ceph/ceph_fs.h')
| -rw-r--r-- | fs/ceph/ceph_fs.h | 87 |
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 */ |