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Red Hat Bugzilla – Attachment 153033 Details for
Bug 237125
orphan locks and purging incomplete
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patch posted to rhkernel on 04/19 [1 of 3]
dlm-create-message-arg.patch (text/plain), 2.64 KB, created by
David Teigland
on 2007-04-19 17:33:46 UTC
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Description:
patch posted to rhkernel on 04/19 [1 of 3]
Filename:
MIME Type:
Creator:
David Teigland
Created:
2007-04-19 17:33:46 UTC
Size:
2.64 KB
patch
obsolete
>[PATCH] dlm: split create_message function > >bz 237125 > >This splits the current create_message() function into two parts so that >later patches can call the new lower-level _create_message() function when >they don't have an rsb struct. No functional change in this patch. > >Index: linux-2.6.21-rc5-quilt/fs/dlm/lock.c >=================================================================== >--- linux-2.6.21-rc5-quilt.orig/fs/dlm/lock.c 2007-03-28 12:29:18.000000000 -0500 >+++ linux-2.6.21-rc5-quilt/fs/dlm/lock.c 2007-03-28 12:39:43.000000000 -0500 >@@ -2301,31 +2301,14 @@ > * receive_lookup_reply send_lookup_reply > */ > >-static int create_message(struct dlm_rsb *r, struct dlm_lkb *lkb, >- int to_nodeid, int mstype, >- struct dlm_message **ms_ret, >- struct dlm_mhandle **mh_ret) >+static int _create_message(struct dlm_ls *ls, int mb_len, >+ int to_nodeid, int mstype, >+ struct dlm_message **ms_ret, >+ struct dlm_mhandle **mh_ret) > { > struct dlm_message *ms; > struct dlm_mhandle *mh; > char *mb; >- int mb_len = sizeof(struct dlm_message); >- >- switch (mstype) { >- case DLM_MSG_REQUEST: >- case DLM_MSG_LOOKUP: >- case DLM_MSG_REMOVE: >- mb_len += 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: >- if (lkb && lkb->lkb_lvbptr) >- mb_len += r->res_ls->ls_lvblen; >- break; >- } > > /* get_buffer gives us a message handle (mh) that we need to > pass into lowcomms_commit and a message buffer (mb) that we >@@ -2340,7 +2323,7 @@ > ms = (struct dlm_message *) mb; > > ms->m_header.h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR); >- ms->m_header.h_lockspace = r->res_ls->ls_global_id; >+ ms->m_header.h_lockspace = ls->ls_global_id; > ms->m_header.h_nodeid = dlm_our_nodeid(); > ms->m_header.h_length = mb_len; > ms->m_header.h_cmd = DLM_MSG; >@@ -2352,6 +2335,33 @@ > return 0; > } > >+static int create_message(struct dlm_rsb *r, struct dlm_lkb *lkb, >+ int to_nodeid, int mstype, >+ struct dlm_message **ms_ret, >+ struct dlm_mhandle **mh_ret) >+{ >+ int mb_len = sizeof(struct dlm_message); >+ >+ switch (mstype) { >+ case DLM_MSG_REQUEST: >+ case DLM_MSG_LOOKUP: >+ case DLM_MSG_REMOVE: >+ mb_len += 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: >+ if (lkb && lkb->lkb_lvbptr) >+ mb_len += r->res_ls->ls_lvblen; >+ break; >+ } >+ >+ return _create_message(r->res_ls, mb_len, to_nodeid, mstype, >+ ms_ret, mh_ret); >+} >+ > /* further lowcomms enhancements or alternate implementations may make > the return value from this function useful at some point */ >
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