diff options
Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 63 |
1 files changed, 54 insertions, 9 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 1de36e6abd5e..bd8dcee7e066 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -51,13 +51,14 @@ struct afs_iget_data { }; enum afs_call_state { - AFS_CALL_REQUESTING, /* request is being sent for outgoing call */ - AFS_CALL_AWAIT_REPLY, /* awaiting reply to outgoing call */ - AFS_CALL_AWAIT_OP_ID, /* awaiting op ID on incoming call */ - AFS_CALL_AWAIT_REQUEST, /* awaiting request data on incoming call */ - AFS_CALL_REPLYING, /* replying to incoming call */ - AFS_CALL_AWAIT_ACK, /* awaiting final ACK of incoming call */ - AFS_CALL_COMPLETE, /* Completed or failed */ + AFS_CALL_CL_REQUESTING, /* Client: Request is being sent */ + AFS_CALL_CL_AWAIT_REPLY, /* Client: Awaiting reply */ + AFS_CALL_CL_PROC_REPLY, /* Client: rxrpc call complete; processing reply */ + AFS_CALL_SV_AWAIT_OP_ID, /* Server: Awaiting op ID */ + AFS_CALL_SV_AWAIT_REQUEST, /* Server: Awaiting request data */ + AFS_CALL_SV_REPLYING, /* Server: Replying */ + AFS_CALL_SV_AWAIT_ACK, /* Server: Awaiting final ACK */ + AFS_CALL_COMPLETE, /* Completed or failed */ }; /* @@ -97,6 +98,7 @@ struct afs_call { size_t offset; /* offset into received data store */ atomic_t usage; enum afs_call_state state; + spinlock_t state_lock; int error; /* error code */ u32 abort_code; /* Remote abort ID or 0 */ unsigned request_size; /* size of request data */ @@ -543,6 +545,8 @@ struct afs_fs_cursor { #define AFS_FS_CURSOR_NO_VSLEEP 0x0020 /* Set to prevent sleep on VBUSY, VOFFLINE, ... */ }; +#include <trace/events/afs.h> + /*****************************************************************************/ /* * addr_list.c @@ -788,6 +792,49 @@ static inline int afs_transfer_reply(struct afs_call *call) return afs_extract_data(call, call->buffer, call->reply_max, false); } +static inline bool afs_check_call_state(struct afs_call *call, + enum afs_call_state state) +{ + return READ_ONCE(call->state) == state; +} + +static inline bool afs_set_call_state(struct afs_call *call, + enum afs_call_state from, + enum afs_call_state to) +{ + bool ok = false; + + spin_lock_bh(&call->state_lock); + if (call->state == from) { + call->state = to; + trace_afs_call_state(call, from, to, 0, 0); + ok = true; + } + spin_unlock_bh(&call->state_lock); + return ok; +} + +static inline void afs_set_call_complete(struct afs_call *call, + int error, u32 remote_abort) +{ + enum afs_call_state state; + bool ok = false; + + spin_lock_bh(&call->state_lock); + state = call->state; + if (state != AFS_CALL_COMPLETE) { + call->abort_code = remote_abort; + call->error = error; + call->state = AFS_CALL_COMPLETE; + trace_afs_call_state(call, state, AFS_CALL_COMPLETE, + error, remote_abort); + ok = true; + } + spin_unlock_bh(&call->state_lock); + if (ok) + trace_afs_call_done(call); +} + /* * security.c */ @@ -932,8 +979,6 @@ static inline void afs_check_for_remote_deletion(struct afs_fs_cursor *fc, /* * debug tracing */ -#include <trace/events/afs.h> - extern unsigned afs_debug; #define dbgprintk(FMT,...) \ |