diff options
Diffstat (limited to 'fs/dlm')
-rw-r--r-- | fs/dlm/dlm_internal.h | 36 | ||||
-rw-r--r-- | fs/dlm/lock.c | 276 | ||||
-rw-r--r-- | fs/dlm/requestqueue.c | 15 | ||||
-rw-r--r-- | fs/dlm/util.c | 48 | ||||
-rw-r--r-- | fs/dlm/util.h | 4 |
5 files changed, 174 insertions, 205 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 5db26550ae47..776c3ed519f0 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -409,24 +409,24 @@ struct dlm_header { struct dlm_message { struct dlm_header m_header; - uint32_t m_type; /* DLM_MSG_ */ - uint32_t m_nodeid; - uint32_t m_pid; - uint32_t m_lkid; /* lkid on sender */ - uint32_t m_remid; /* lkid on receiver */ - uint32_t m_parent_lkid; - uint32_t m_parent_remid; - uint32_t m_exflags; - uint32_t m_sbflags; - uint32_t m_flags; - uint32_t m_lvbseq; - uint32_t m_hash; - int m_status; - int m_grmode; - int m_rqmode; - int m_bastmode; - int m_asts; - int m_result; /* 0 or -EXXX */ + __le32 m_type; /* DLM_MSG_ */ + __le32 m_nodeid; + __le32 m_pid; + __le32 m_lkid; /* lkid on sender */ + __le32 m_remid; /* lkid on receiver */ + __le32 m_parent_lkid; + __le32 m_parent_remid; + __le32 m_exflags; + __le32 m_sbflags; + __le32 m_flags; + __le32 m_lvbseq; + __le32 m_hash; + __le32 m_status; + __le32 m_grmode; + __le32 m_rqmode; + __le32 m_bastmode; + __le32 m_asts; + __le32 m_result; /* 0 or -EXXX */ char m_extra[]; /* name or lvb */ }; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index ff3dd79f5751..fd3a9bae5b5b 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -1617,10 +1617,10 @@ static int remove_from_waiters_ms(struct dlm_lkb *lkb, struct dlm_message *ms) struct dlm_ls *ls = lkb->lkb_resource->res_ls; int error; - if (ms->m_flags != DLM_IFL_STUB_MS) + if (ms->m_flags != cpu_to_le32(DLM_IFL_STUB_MS)) mutex_lock(&ls->ls_waiters_mutex); - error = _remove_from_waiters(lkb, ms->m_type, ms); - if (ms->m_flags != DLM_IFL_STUB_MS) + error = _remove_from_waiters(lkb, le32_to_cpu(ms->m_type), ms); + if (ms->m_flags != cpu_to_le32(DLM_IFL_STUB_MS)) mutex_unlock(&ls->ls_waiters_mutex); return error; } @@ -2051,7 +2051,7 @@ static void set_lvb_lock_pc(struct dlm_rsb *r, struct dlm_lkb *lkb, if (len > r->res_ls->ls_lvblen) len = r->res_ls->ls_lvblen; memcpy(lkb->lkb_lvbptr, ms->m_extra, len); - lkb->lkb_lvbseq = ms->m_lvbseq; + lkb->lkb_lvbseq = le32_to_cpu(ms->m_lvbseq); } } @@ -2182,10 +2182,10 @@ static void munge_demoted(struct dlm_lkb *lkb) static void munge_altmode(struct dlm_lkb *lkb, struct dlm_message *ms) { - if (ms->m_type != DLM_MSG_REQUEST_REPLY && - ms->m_type != DLM_MSG_GRANT) { + if (ms->m_type != cpu_to_le32(DLM_MSG_REQUEST_REPLY) && + ms->m_type != cpu_to_le32(DLM_MSG_GRANT)) { log_print("munge_altmode %x invalid reply type %d", - lkb->lkb_id, ms->m_type); + lkb->lkb_id, le32_to_cpu(ms->m_type)); return; } @@ -3570,7 +3570,7 @@ static int _create_message(struct dlm_ls *ls, int mb_len, ms->m_header.h_length = cpu_to_le16(mb_len); ms->m_header.h_cmd = DLM_MSG; - ms->m_type = mstype; + ms->m_type = cpu_to_le32(mstype); *mh_ret = mh; *ms_ret = ms; @@ -3609,7 +3609,6 @@ static int create_message(struct dlm_rsb *r, struct dlm_lkb *lkb, static int send_message(struct dlm_mhandle *mh, struct dlm_message *ms) { - dlm_message_out(ms); dlm_midcomms_commit_mhandle(mh); return 0; } @@ -3617,40 +3616,40 @@ static int send_message(struct dlm_mhandle *mh, struct dlm_message *ms) static void send_args(struct dlm_rsb *r, struct dlm_lkb *lkb, struct dlm_message *ms) { - ms->m_nodeid = lkb->lkb_nodeid; - ms->m_pid = lkb->lkb_ownpid; - ms->m_lkid = lkb->lkb_id; - ms->m_remid = lkb->lkb_remid; - ms->m_exflags = lkb->lkb_exflags; - ms->m_sbflags = lkb->lkb_sbflags; - ms->m_flags = lkb->lkb_flags; - ms->m_lvbseq = lkb->lkb_lvbseq; - ms->m_status = lkb->lkb_status; - ms->m_grmode = lkb->lkb_grmode; - ms->m_rqmode = lkb->lkb_rqmode; - ms->m_hash = r->res_hash; + ms->m_nodeid = cpu_to_le32(lkb->lkb_nodeid); + ms->m_pid = cpu_to_le32(lkb->lkb_ownpid); + ms->m_lkid = cpu_to_le32(lkb->lkb_id); + ms->m_remid = cpu_to_le32(lkb->lkb_remid); + ms->m_exflags = cpu_to_le32(lkb->lkb_exflags); + ms->m_sbflags = cpu_to_le32(lkb->lkb_sbflags); + ms->m_flags = cpu_to_le32(lkb->lkb_flags); + ms->m_lvbseq = cpu_to_le32(lkb->lkb_lvbseq); + ms->m_status = cpu_to_le32(lkb->lkb_status); + ms->m_grmode = cpu_to_le32(lkb->lkb_grmode); + ms->m_rqmode = cpu_to_le32(lkb->lkb_rqmode); + ms->m_hash = cpu_to_le32(r->res_hash); /* m_result and m_bastmode are set from function args, not from lkb fields */ if (lkb->lkb_bastfn) - ms->m_asts |= DLM_CB_BAST; + ms->m_asts |= cpu_to_le32(DLM_CB_BAST); if (lkb->lkb_astfn) - ms->m_asts |= DLM_CB_CAST; + ms->m_asts |= cpu_to_le32(DLM_CB_CAST); /* compare with switch in create_message; send_remove() doesn't use send_args() */ switch (ms->m_type) { - case DLM_MSG_REQUEST: - case DLM_MSG_LOOKUP: + case cpu_to_le32(DLM_MSG_REQUEST): + case cpu_to_le32(DLM_MSG_LOOKUP): memcpy(ms->m_extra, r->res_name, r->res_length); break; - case DLM_MSG_CONVERT: - case DLM_MSG_UNLOCK: - case DLM_MSG_REQUEST_REPLY: - case DLM_MSG_CONVERT_REPLY: - case DLM_MSG_GRANT: + case cpu_to_le32(DLM_MSG_CONVERT): + case cpu_to_le32(DLM_MSG_UNLOCK): + case cpu_to_le32(DLM_MSG_REQUEST_REPLY): + case cpu_to_le32(DLM_MSG_CONVERT_REPLY): + case cpu_to_le32(DLM_MSG_GRANT): if (!lkb->lkb_lvbptr) break; memcpy(ms->m_extra, lkb->lkb_lvbptr, r->res_ls->ls_lvblen); @@ -3700,8 +3699,8 @@ static int send_convert(struct dlm_rsb *r, struct dlm_lkb *lkb) /* down conversions go without a reply from the master */ if (!error && down_conversion(lkb)) { remove_from_waiters(lkb, DLM_MSG_CONVERT_REPLY); - r->res_ls->ls_stub_ms.m_flags = DLM_IFL_STUB_MS; - r->res_ls->ls_stub_ms.m_type = DLM_MSG_CONVERT_REPLY; + r->res_ls->ls_stub_ms.m_flags = cpu_to_le32(DLM_IFL_STUB_MS); + r->res_ls->ls_stub_ms.m_type = cpu_to_le32(DLM_MSG_CONVERT_REPLY); r->res_ls->ls_stub_ms.m_result = 0; __receive_convert_reply(r, lkb, &r->res_ls->ls_stub_ms); } @@ -3758,7 +3757,7 @@ static int send_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int mode) send_args(r, lkb, ms); - ms->m_bastmode = mode; + ms->m_bastmode = cpu_to_le32(mode); error = send_message(mh, ms); out: @@ -3806,7 +3805,7 @@ static int send_remove(struct dlm_rsb *r) goto out; memcpy(ms->m_extra, r->res_name, r->res_length); - ms->m_hash = r->res_hash; + ms->m_hash = cpu_to_le32(r->res_hash); error = send_message(mh, ms); out: @@ -3828,7 +3827,7 @@ static int send_common_reply(struct dlm_rsb *r, struct dlm_lkb *lkb, send_args(r, lkb, ms); - ms->m_result = rv; + ms->m_result = cpu_to_le32(to_dlm_errno(rv)); error = send_message(mh, ms); out: @@ -3868,8 +3867,8 @@ static int send_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms_in, goto out; ms->m_lkid = ms_in->m_lkid; - ms->m_result = rv; - ms->m_nodeid = ret_nodeid; + ms->m_result = cpu_to_le32(to_dlm_errno(rv)); + ms->m_nodeid = cpu_to_le32(ret_nodeid); error = send_message(mh, ms); out: @@ -3882,20 +3881,20 @@ static int send_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms_in, static void receive_flags(struct dlm_lkb *lkb, struct dlm_message *ms) { - lkb->lkb_exflags = ms->m_exflags; - lkb->lkb_sbflags = ms->m_sbflags; + lkb->lkb_exflags = le32_to_cpu(ms->m_exflags); + lkb->lkb_sbflags = le32_to_cpu(ms->m_sbflags); lkb->lkb_flags = (lkb->lkb_flags & 0xFFFF0000) | - (ms->m_flags & 0x0000FFFF); + (le32_to_cpu(ms->m_flags) & 0x0000FFFF); } static void receive_flags_reply(struct dlm_lkb *lkb, struct dlm_message *ms) { - if (ms->m_flags == DLM_IFL_STUB_MS) + if (ms->m_flags == cpu_to_le32(DLM_IFL_STUB_MS)) return; - lkb->lkb_sbflags = ms->m_sbflags; + lkb->lkb_sbflags = le32_to_cpu(ms->m_sbflags); lkb->lkb_flags = (lkb->lkb_flags & 0xFFFF0000) | - (ms->m_flags & 0x0000FFFF); + (le32_to_cpu(ms->m_flags) & 0x0000FFFF); } static int receive_extralen(struct dlm_message *ms) @@ -3936,13 +3935,13 @@ static int receive_request_args(struct dlm_ls *ls, struct dlm_lkb *lkb, struct dlm_message *ms) { lkb->lkb_nodeid = le32_to_cpu(ms->m_header.h_nodeid); - lkb->lkb_ownpid = ms->m_pid; - lkb->lkb_remid = ms->m_lkid; + lkb->lkb_ownpid = le32_to_cpu(ms->m_pid); + lkb->lkb_remid = le32_to_cpu(ms->m_lkid); lkb->lkb_grmode = DLM_LOCK_IV; - lkb->lkb_rqmode = ms->m_rqmode; + lkb->lkb_rqmode = le32_to_cpu(ms->m_rqmode); - lkb->lkb_bastfn = (ms->m_asts & DLM_CB_BAST) ? &fake_bastfn : NULL; - lkb->lkb_astfn = (ms->m_asts & DLM_CB_CAST) ? &fake_astfn : NULL; + lkb->lkb_bastfn = (ms->m_asts & cpu_to_le32(DLM_CB_BAST)) ? &fake_bastfn : NULL; + lkb->lkb_astfn = (ms->m_asts & cpu_to_le32(DLM_CB_CAST)) ? &fake_astfn : NULL; if (lkb->lkb_exflags & DLM_LKF_VALBLK) { /* lkb was just created so there won't be an lvb yet */ @@ -3963,8 +3962,8 @@ static int receive_convert_args(struct dlm_ls *ls, struct dlm_lkb *lkb, if (receive_lvb(ls, lkb, ms)) return -ENOMEM; - lkb->lkb_rqmode = ms->m_rqmode; - lkb->lkb_lvbseq = ms->m_lvbseq; + lkb->lkb_rqmode = le32_to_cpu(ms->m_rqmode); + lkb->lkb_lvbseq = le32_to_cpu(ms->m_lvbseq); return 0; } @@ -3984,7 +3983,7 @@ static void setup_stub_lkb(struct dlm_ls *ls, struct dlm_message *ms) { struct dlm_lkb *lkb = &ls->ls_stub_lkb; lkb->lkb_nodeid = le32_to_cpu(ms->m_header.h_nodeid); - lkb->lkb_remid = ms->m_lkid; + lkb->lkb_remid = le32_to_cpu(ms->m_lkid); } /* This is called after the rsb is locked so that we can safely inspect @@ -3996,7 +3995,8 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms) int error = 0; /* currently mixing of user/kernel locks are not supported */ - if (ms->m_flags & DLM_IFL_USER && ~lkb->lkb_flags & DLM_IFL_USER) { + if (ms->m_flags & cpu_to_le32(DLM_IFL_USER) && + ~lkb->lkb_flags & DLM_IFL_USER) { log_error(lkb->lkb_resource->res_ls, "got user dlm message for a kernel lock"); error = -EINVAL; @@ -4004,23 +4004,23 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms) } switch (ms->m_type) { - case DLM_MSG_CONVERT: - case DLM_MSG_UNLOCK: - case DLM_MSG_CANCEL: + case cpu_to_le32(DLM_MSG_CONVERT): + case cpu_to_le32(DLM_MSG_UNLOCK): + case cpu_to_le32(DLM_MSG_CANCEL): if (!is_master_copy(lkb) || lkb->lkb_nodeid != from) error = -EINVAL; break; - case DLM_MSG_CONVERT_REPLY: - case DLM_MSG_UNLOCK_REPLY: - case DLM_MSG_CANCEL_REPLY: - case DLM_MSG_GRANT: - case DLM_MSG_BAST: + case cpu_to_le32(DLM_MSG_CONVERT_REPLY): + case cpu_to_le32(DLM_MSG_UNLOCK_REPLY): + case cpu_to_le32(DLM_MSG_CANCEL_REPLY): + case cpu_to_le32(DLM_MSG_GRANT): + case cpu_to_le32(DLM_MSG_BAST): if (!is_process_copy(lkb) || lkb->lkb_nodeid != from) error = -EINVAL; break; - case DLM_MSG_REQUEST_REPLY: + case cpu_to_le32(DLM_MSG_REQUEST_REPLY): if (!is_process_copy(lkb)) error = -EINVAL; else if (lkb->lkb_nodeid != -1 && lkb->lkb_nodeid != from) @@ -4035,8 +4035,8 @@ out: if (error) log_error(lkb->lkb_resource->res_ls, "ignore invalid message %d from %d %x %x %x %d", - ms->m_type, from, lkb->lkb_id, lkb->lkb_remid, - lkb->lkb_flags, lkb->lkb_nodeid); + le32_to_cpu(ms->m_type), from, lkb->lkb_id, + lkb->lkb_remid, lkb->lkb_flags, lkb->lkb_nodeid); return error; } @@ -4089,7 +4089,7 @@ static void send_repeat_remove(struct dlm_ls *ls, char *ms_name, int len) return; memcpy(ms->m_extra, name, len); - ms->m_hash = hash; + ms->m_hash = cpu_to_le32(hash); send_message(mh, ms); @@ -4179,7 +4179,7 @@ static int receive_request(struct dlm_ls *ls, struct dlm_message *ms) if (error != -ENOTBLK) { log_limit(ls, "receive_request %x from %d %d", - ms->m_lkid, from_nodeid, error); + le32_to_cpu(ms->m_lkid), from_nodeid, error); } if (namelen && error == -EBADR) { @@ -4198,15 +4198,16 @@ static int receive_convert(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_rsb *r; int error, reply = 1; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) goto fail; - if (lkb->lkb_remid != ms->m_lkid) { + if (lkb->lkb_remid != le32_to_cpu(ms->m_lkid)) { log_error(ls, "receive_convert %x remid %x recover_seq %llu " "remote %d %x", lkb->lkb_id, lkb->lkb_remid, (unsigned long long)lkb->lkb_recover_seq, - le32_to_cpu(ms->m_header.h_nodeid), ms->m_lkid); + le32_to_cpu(ms->m_header.h_nodeid), + le32_to_cpu(ms->m_lkid)); error = -ENOENT; dlm_put_lkb(lkb); goto fail; @@ -4253,14 +4254,15 @@ static int receive_unlock(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_rsb *r; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) goto fail; - if (lkb->lkb_remid != ms->m_lkid) { + if (lkb->lkb_remid != le32_to_cpu(ms->m_lkid)) { log_error(ls, "receive_unlock %x remid %x remote %d %x", lkb->lkb_id, lkb->lkb_remid, - le32_to_cpu(ms->m_header.h_nodeid), ms->m_lkid); + le32_to_cpu(ms->m_header.h_nodeid), + le32_to_cpu(ms->m_lkid)); error = -ENOENT; dlm_put_lkb(lkb); goto fail; @@ -4304,7 +4306,7 @@ static int receive_cancel(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_rsb *r; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) goto fail; @@ -4340,7 +4342,7 @@ static int receive_grant(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_rsb *r; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) return error; @@ -4371,7 +4373,7 @@ static int receive_bast(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_rsb *r; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) return error; @@ -4384,8 +4386,8 @@ static int receive_bast(struct dlm_ls *ls, struct dlm_message *ms) if (error) goto out; - queue_bast(r, lkb, ms->m_bastmode); - lkb->lkb_highbast = ms->m_bastmode; + queue_bast(r, lkb, le32_to_cpu(ms->m_bastmode)); + lkb->lkb_highbast = le32_to_cpu(ms->m_bastmode); out: unlock_rsb(r); put_rsb(r); @@ -4430,7 +4432,7 @@ static void receive_remove(struct dlm_ls *ls, struct dlm_message *ms) return; } - dir_nodeid = dlm_hash2nodeid(ls, ms->m_hash); + dir_nodeid = dlm_hash2nodeid(ls, le32_to_cpu(ms->m_hash)); if (dir_nodeid != dlm_our_nodeid()) { log_error(ls, "receive_remove from %d bad nodeid %d", from_nodeid, dir_nodeid); @@ -4503,7 +4505,7 @@ static void receive_remove(struct dlm_ls *ls, struct dlm_message *ms) static void receive_purge(struct dlm_ls *ls, struct dlm_message *ms) { - do_purge(ls, ms->m_nodeid, ms->m_pid); + do_purge(ls, le32_to_cpu(ms->m_nodeid), le32_to_cpu(ms->m_pid)); } static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms) @@ -4513,7 +4515,7 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms) int error, mstype, result; int from_nodeid = le32_to_cpu(ms->m_header.h_nodeid); - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) return error; @@ -4529,7 +4531,8 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms) error = remove_from_waiters(lkb, DLM_MSG_REQUEST_REPLY); if (error) { log_error(ls, "receive_request_reply %x remote %d %x result %d", - lkb->lkb_id, from_nodeid, ms->m_lkid, ms->m_result); + lkb->lkb_id, from_nodeid, le32_to_cpu(ms->m_lkid), + from_dlm_errno(le32_to_cpu(ms->m_result))); dlm_dump_rsb(r); goto out; } @@ -4543,7 +4546,7 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms) } /* this is the value returned from do_request() on the master */ - result = ms->m_result; + result = from_dlm_errno(le32_to_cpu(ms->m_result)); switch (result) { case -EAGAIN: @@ -4557,7 +4560,7 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms) case 0: /* request was queued or granted on remote master */ receive_flags_reply(lkb, ms); - lkb->lkb_remid = ms->m_lkid; + lkb->lkb_remid = le32_to_cpu(ms->m_lkid); if (is_altmode(lkb)) munge_altmode(lkb, ms); if (result) { @@ -4630,7 +4633,7 @@ static void __receive_convert_reply(struct dlm_rsb *r, struct dlm_lkb *lkb, struct dlm_message *ms) { /* this is the value returned from do_convert() on the master */ - switch (ms->m_result) { + switch (from_dlm_errno(le32_to_cpu(ms->m_result))) { case -EAGAIN: /* convert would block (be queued) on remote master */ queue_cast(r, lkb, -EAGAIN); @@ -4664,7 +4667,8 @@ static void __receive_convert_reply(struct dlm_rsb *r, struct dlm_lkb *lkb, default: log_error(r->res_ls, "receive_convert_reply %x remote %d %x %d", lkb->lkb_id, le32_to_cpu(ms->m_header.h_nodeid), - ms->m_lkid, ms->m_result); + le32_to_cpu(ms->m_lkid), + from_dlm_errno(le32_to_cpu(ms->m_result))); dlm_print_rsb(r); dlm_print_lkb(lkb); } @@ -4698,7 +4702,7 @@ static int receive_convert_reply(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_lkb *lkb; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) return error; @@ -4726,7 +4730,7 @@ static void _receive_unlock_reply(struct dlm_lkb *lkb, struct dlm_message *ms) /* this is the value returned from do_unlock() on the master */ - switch (ms->m_result) { + switch (from_dlm_errno(le32_to_cpu(ms->m_result))) { case -DLM_EUNLOCK: receive_flags_reply(lkb, ms); remove_lock_pc(r, lkb); @@ -4736,7 +4740,7 @@ static void _receive_unlock_reply(struct dlm_lkb *lkb, struct dlm_message *ms) break; default: log_error(r->res_ls, "receive_unlock_reply %x error %d", - lkb->lkb_id, ms->m_result); + lkb->lkb_id, from_dlm_errno(le32_to_cpu(ms->m_result))); } out: unlock_rsb(r); @@ -4748,7 +4752,7 @@ static int receive_unlock_reply(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_lkb *lkb; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) return error; @@ -4776,7 +4780,7 @@ static void _receive_cancel_reply(struct dlm_lkb *lkb, struct dlm_message *ms) /* this is the value returned from do_cancel() on the master */ - switch (ms->m_result) { + switch (from_dlm_errno(le32_to_cpu(ms->m_result))) { case -DLM_ECANCEL: receive_flags_reply(lkb, ms); revert_lock_pc(r, lkb); @@ -4786,7 +4790,8 @@ static void _receive_cancel_reply(struct dlm_lkb *lkb, struct dlm_message *ms) break; default: log_error(r->res_ls, "receive_cancel_reply %x error %d", - lkb->lkb_id, ms->m_result); + lkb->lkb_id, + from_dlm_errno(le32_to_cpu(ms->m_result))); } out: unlock_rsb(r); @@ -4798,7 +4803,7 @@ static int receive_cancel_reply(struct dlm_ls *ls, struct dlm_message *ms) struct dlm_lkb *lkb; int error; - error = find_lkb(ls, ms->m_remid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb); if (error) return error; @@ -4814,9 +4819,10 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms) int error, ret_nodeid; int do_lookup_list = 0; - error = find_lkb(ls, ms->m_lkid, &lkb); + error = find_lkb(ls, le32_to_cpu(ms->m_lkid), &lkb); if (error) { - log_error(ls, "receive_lookup_reply no lkid %x", ms->m_lkid); + log_error(ls, "%s no lkid %x", __func__, + le32_to_cpu(ms->m_lkid)); return; } @@ -4831,7 +4837,7 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms) if (error) goto out; - ret_nodeid = ms->m_nodeid; + ret_nodeid = le32_to_cpu(ms->m_nodeid); /* We sometimes receive a request from the dir node for this rsb before we've received the dir node's loookup_reply for it. @@ -4892,8 +4898,10 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms, if (!dlm_is_member(ls, le32_to_cpu(ms->m_header.h_nodeid))) { log_limit(ls, "receive %d from non-member %d %x %x %d", - ms->m_type, le32_to_cpu(ms->m_header.h_nodeid), - ms->m_lkid, ms->m_remid, ms->m_result); + le32_to_cpu(ms->m_type), + le32_to_cpu(ms->m_header.h_nodeid), + le32_to_cpu(ms->m_lkid), le32_to_cpu(ms->m_remid), + from_dlm_errno(le32_to_cpu(ms->m_result))); return; } @@ -4901,77 +4909,78 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms, /* messages sent to a master node */ - case DLM_MSG_REQUEST: + case cpu_to_le32(DLM_MSG_REQUEST): error = receive_request(ls, ms); break; - case DLM_MSG_CONVERT: + case cpu_to_le32(DLM_MSG_CONVERT): error = receive_convert(ls, ms); break; - case DLM_MSG_UNLOCK: + case cpu_to_le32(DLM_MSG_UNLOCK): error = receive_unlock(ls, ms); break; - case DLM_MSG_CANCEL: + case cpu_to_le32(DLM_MSG_CANCEL): noent = 1; error = receive_cancel(ls, ms); break; /* messages sent from a master node (replies to above) */ - case DLM_MSG_REQUEST_REPLY: + case cpu_to_le32(DLM_MSG_REQUEST_REPLY): error = receive_request_reply(ls, ms); break; - case DLM_MSG_CONVERT_REPLY: + case cpu_to_le32(DLM_MSG_CONVERT_REPLY): error = receive_convert_reply(ls, ms); break; - case DLM_MSG_UNLOCK_REPLY: + case cpu_to_le32(DLM_MSG_UNLOCK_REPLY): error = receive_unlock_reply(ls, ms); break; - case DLM_MSG_CANCEL_REPLY: + case cpu_to_le32(DLM_MSG_CANCEL_REPLY): error = receive_cancel_reply(ls, ms); break; /* messages sent from a master node (only two types of async msg) */ - case DLM_MSG_GRANT: + case cpu_to_le32(DLM_MSG_GRANT): noent = 1; error = receive_grant(ls, ms); break; - case DLM_MSG_BAST: + case cpu_to_le32(DLM_MSG_BAST): noent = 1; error = receive_bast(ls, ms); break; /* messages sent to a dir node */ - case DLM_MSG_LOOKUP: + case cpu_to_le32(DLM_MSG_LOOKUP): receive_lookup(ls, ms); break; - case DLM_MSG_REMOVE: + case cpu_to_le32(DLM_MSG_REMOVE): receive_remove(ls, ms); break; /* messages sent from a dir node (remove has no reply) */ - case DLM_MSG_LOOKUP_REPLY: + case cpu_to_le32(DLM_MSG_LOOKUP_REPLY): receive_lookup_reply(ls, ms); break; /* other messages */ - case DLM_MSG_PURGE: + case cpu_to_le32(DLM_MSG_PURGE): receive_purge(ls, ms); break; default: - log_error(ls, "unknown message type %d", ms->m_type); + log_error(ls, "unknown message type %d", + le32_to_cpu(ms->m_type)); } /* @@ -4987,24 +4996,26 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms, if (error == -ENOENT && noent) { log_debug(ls, "receive %d no %x remote %d %x saved_seq %u", - ms->m_type, ms->m_remid, + le32_to_cpu(ms->m_type), le32_to_cpu(ms->m_remid), le32_to_cpu(ms->m_header.h_nodeid), - ms->m_lkid, saved_seq); + le32_to_cpu(ms->m_lkid), saved_seq); } else if (error == -ENOENT) { log_error(ls, "receive %d no %x remote %d %x saved_seq %u", - ms->m_type, ms->m_remid, + le32_to_cpu(ms->m_type), le32_to_cpu(ms->m_remid), le32_to_cpu(ms->m_header.h_nodeid), - ms->m_lkid, saved_seq); + le32_to_cpu(ms->m_lkid), saved_seq); - if (ms->m_type == DLM_MSG_CONVERT) - dlm_dump_rsb_hash(ls, ms->m_hash); + if (ms->m_type == cpu_to_le32(DLM_MSG_CONVERT)) + dlm_dump_rsb_hash(ls, le32_to_cpu(ms->m_hash)); } if (error == -EINVAL) { log_error(ls, "receive %d inval from %d lkid %x remid %x " "saved_seq %u", - ms->m_type, le32_to_cpu(ms->m_header.h_nodeid), - ms->m_lkid, ms->m_remid, saved_seq); + le32_to_cpu(ms->m_type), + le32_to_cpu(ms->m_header.h_nodeid), + le32_to_cpu(ms->m_lkid), le32_to_cpu(ms->m_remid), + saved_seq); } } @@ -5025,7 +5036,7 @@ static void dlm_receive_message(struct dlm_ls *ls, struct dlm_message *ms, lockspace generation before we left. */ if (!ls->ls_generation) { log_limit(ls, "receive %d from %d ignore old gen", - ms->m_type, nodeid); + le32_to_cpu(ms->m_type), nodeid); return; } @@ -5058,8 +5069,7 @@ void dlm_receive_buffer(union dlm_packet *p, int nodeid) switch (hd->h_cmd) { case DLM_MSG: - dlm_message_in(&p->message); - type = p->message.m_type; + type = le32_to_cpu(p->message.m_type); break; case DLM_RCOM: type = le32_to_cpu(p->rcom.rc_type); @@ -5109,9 +5119,9 @@ static void recover_convert_waiter(struct dlm_ls *ls, struct dlm_lkb *lkb, if (middle_conversion(lkb)) { hold_lkb(lkb); memset(ms_stub, 0, sizeof(struct dlm_message)); - ms_stub->m_flags = DLM_IFL_STUB_MS; - ms_stub->m_type = DLM_MSG_CONVERT_REPLY; - ms_stub->m_result = -EINPROGRESS; + ms_stub->m_flags = cpu_to_le32(DLM_IFL_STUB_MS); + ms_stub->m_type = cpu_to_le32(DLM_MSG_CONVERT_REPLY); + ms_stub->m_result = cpu_to_le32(to_dlm_errno(-EINPROGRESS)); ms_stub->m_header.h_nodeid = cpu_to_le32(lkb->lkb_nodeid); _receive_convert_reply(lkb, ms_stub); @@ -5231,9 +5241,9 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls) case DLM_MSG_UNLOCK: hold_lkb(lkb); memset(ms_stub, 0, sizeof(struct dlm_message)); - ms_stub->m_flags = DLM_IFL_STUB_MS; - ms_stub->m_type = DLM_MSG_UNLOCK_REPLY; - ms_stub->m_result = stub_unlock_result; + ms_stub->m_flags = cpu_to_le32(DLM_IFL_STUB_MS); + ms_stub->m_type = cpu_to_le32(DLM_MSG_UNLOCK_REPLY); + ms_stub->m_result = cpu_to_le32(to_dlm_errno(stub_unlock_result)); ms_stub->m_header.h_nodeid = cpu_to_le32(lkb->lkb_nodeid); _receive_unlock_reply(lkb, ms_stub); dlm_put_lkb(lkb); @@ -5242,9 +5252,9 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls) case DLM_MSG_CANCEL: hold_lkb(lkb); memset(ms_stub, 0, sizeof(struct dlm_message)); - ms_stub->m_flags = DLM_IFL_STUB_MS; - ms_stub->m_type = DLM_MSG_CANCEL_REPLY; - ms_stub->m_result = stub_cancel_result; + ms_stub->m_flags = cpu_to_le32(DLM_IFL_STUB_MS); + ms_stub->m_type = cpu_to_le32(DLM_MSG_CANCEL_REPLY); + ms_stub->m_result = cpu_to_le32(to_dlm_errno(stub_cancel_result)); ms_stub->m_header.h_nodeid = cpu_to_le32(lkb->lkb_nodeid); _receive_cancel_reply(lkb, ms_stub); dlm_put_lkb(lkb); @@ -6316,8 +6326,8 @@ static int send_purge(struct dlm_ls *ls, int nodeid, int pid) DLM_MSG_PURGE, &ms, &mh); if (error) return error; - ms->m_nodeid = nodeid; - ms->m_pid = pid; + ms->m_nodeid = cpu_to_le32(nodeid); + ms->m_pid = cpu_to_le32(pid); return send_message(mh, ms); } diff --git a/fs/dlm/requestqueue.c b/fs/dlm/requestqueue.c index 30355490c45c..036a9a0078f6 100644 --- a/fs/dlm/requestqueue.c +++ b/fs/dlm/requestqueue.c @@ -14,6 +14,7 @@ #include "dir.h" #include "config.h" #include "requestqueue.h" +#include "util.h" struct rq_entry { struct list_head list; @@ -83,8 +84,10 @@ int dlm_process_requestqueue(struct dlm_ls *ls) log_limit(ls, "dlm_process_requestqueue msg %d from %d " "lkid %x remid %x result %d seq %u", - ms->m_type, le32_to_cpu(ms->m_header.h_nodeid), - ms->m_lkid, ms->m_remid, ms->m_result, + le32_to_cpu(ms->m_type), + le32_to_cpu(ms->m_header.h_nodeid), + le32_to_cpu(ms->m_lkid), le32_to_cpu(ms->m_remid), + from_dlm_errno(le32_to_cpu(ms->m_result)), e->recover_seq); dlm_receive_message_saved(ls, &e->request, e->recover_seq); @@ -125,7 +128,7 @@ void dlm_wait_requestqueue(struct dlm_ls *ls) static int purge_request(struct dlm_ls *ls, struct dlm_message *ms, int nodeid) { - uint32_t type = ms->m_type; + __le32 type = ms->m_type; /* the ls is being cleaned up and freed by release_lockspace */ if (!atomic_read(&ls->ls_count)) @@ -137,9 +140,9 @@ static int purge_request(struct dlm_ls *ls, struct dlm_message *ms, int nodeid) /* directory operations are always purged because the directory is always rebuilt during recovery and the lookups resent */ - if (type == DLM_MSG_REMOVE || - type == DLM_MSG_LOOKUP || - type == DLM_MSG_LOOKUP_REPLY) + if (type == cpu_to_le32(DLM_MSG_REMOVE) || + type == cpu_to_le32(DLM_MSG_LOOKUP) || + type == cpu_to_le32(DLM_MSG_LOOKUP_REPLY)) return 1; if (!dlm_no_directory(ls)) diff --git a/fs/dlm/util.c b/fs/dlm/util.c index 657dbed1bd60..f2bc401f312f 100644 --- a/fs/dlm/util.c +++ b/fs/dlm/util.c @@ -23,7 +23,7 @@ /* higher errno values are inconsistent across architectures, so select one set of values for on the wire */ -static int to_dlm_errno(int err) +int to_dlm_errno(int err) { switch (err) { case -EDEADLK: @@ -44,7 +44,7 @@ static int to_dlm_errno(int err) return err; } -static int from_dlm_errno(int err) +int from_dlm_errno(int err) { switch (err) { case -DLM_ERRNO_EDEADLK: @@ -64,47 +64,3 @@ static int from_dlm_errno(int err) } return err; } - -void dlm_message_out(struct dlm_message *ms) -{ - ms->m_type = cpu_to_le32(ms->m_type); - ms->m_nodeid = cpu_to_le32(ms->m_nodeid); - ms->m_pid = cpu_to_le32(ms->m_pid); - ms->m_lkid = cpu_to_le32(ms->m_lkid); - ms->m_remid = cpu_to_le32(ms->m_remid); - ms->m_parent_lkid = cpu_to_le32(ms->m_parent_lkid); - ms->m_parent_remid = cpu_to_le32(ms->m_parent_remid); - ms->m_exflags = cpu_to_le32(ms->m_exflags); - ms->m_sbflags = cpu_to_le32(ms->m_sbflags); - ms->m_flags = cpu_to_le32(ms->m_flags); - ms->m_lvbseq = cpu_to_le32(ms->m_lvbseq); - ms->m_hash = cpu_to_le32(ms->m_hash); - ms->m_status = cpu_to_le32(ms->m_status); - ms->m_grmode = cpu_to_le32(ms->m_grmode); - ms->m_rqmode = cpu_to_le32(ms->m_rqmode); - ms->m_bastmode = cpu_to_le32(ms->m_bastmode); - ms->m_asts = cpu_to_le32(ms->m_asts); - ms->m_result = cpu_to_le32(to_dlm_errno(ms->m_result)); -} - -void dlm_message_in(struct dlm_message *ms) -{ - ms->m_type = le32_to_cpu(ms->m_type); - ms->m_nodeid = le32_to_cpu(ms->m_nodeid); - ms->m_pid = le32_to_cpu(ms->m_pid); - ms->m_lkid = le32_to_cpu(ms->m_lkid); - ms->m_remid = le32_to_cpu(ms->m_remid); - ms->m_parent_lkid = le32_to_cpu(ms->m_parent_lkid); - ms->m_parent_remid = le32_to_cpu(ms->m_parent_remid); - ms->m_exflags = le32_to_cpu(ms->m_exflags); - ms->m_sbflags = le32_to_cpu(ms->m_sbflags); - ms->m_flags = le32_to_cpu(ms->m_flags); - ms->m_lvbseq = le32_to_cpu(ms->m_lvbseq); - ms->m_hash = le32_to_cpu(ms->m_hash); - ms->m_status = le32_to_cpu(ms->m_status); - ms->m_grmode = le32_to_cpu(ms->m_grmode); - ms->m_rqmode = le32_to_cpu(ms->m_rqmode); - ms->m_bastmode = le32_to_cpu(ms->m_bastmode); - ms->m_asts = le32_to_cpu(ms->m_asts); - ms->m_result = from_dlm_errno(le32_to_cpu(ms->m_result)); -} diff --git a/fs/dlm/util.h b/fs/dlm/util.h index cd099c4f5d6a..b6a4b8adca8d 100644 --- a/fs/dlm/util.h +++ b/fs/dlm/util.h @@ -11,8 +11,8 @@ #ifndef __UTIL_DOT_H__ #define __UTIL_DOT_H__ -void dlm_message_out(struct dlm_message *ms); -void dlm_message_in(struct dlm_message *ms); +int to_dlm_errno(int err); +int from_dlm_errno(int err); #endif |