dlmglue.c (c7c350e92aab1bba68f26a6027b734adcf9824ba) dlmglue.c (8e8a4603b5422c9145880e73b23bc4c2c4de0098)
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * dlmglue.c
5 *
6 * Code which implements an OCFS2 specific interface to our DLM.
7 *
8 * Copyright (C) 2003, 2004 Oracle. All rights reserved.

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2127}
2128
2129int ocfs2_super_lock(struct ocfs2_super *osb,
2130 int ex)
2131{
2132 int status = 0;
2133 int level = ex ? LKM_EXMODE : LKM_PRMODE;
2134 struct ocfs2_lock_res *lockres = &osb->osb_super_lockres;
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * dlmglue.c
5 *
6 * Code which implements an OCFS2 specific interface to our DLM.
7 *
8 * Copyright (C) 2003, 2004 Oracle. All rights reserved.

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2127}
2128
2129int ocfs2_super_lock(struct ocfs2_super *osb,
2130 int ex)
2131{
2132 int status = 0;
2133 int level = ex ? LKM_EXMODE : LKM_PRMODE;
2134 struct ocfs2_lock_res *lockres = &osb->osb_super_lockres;
2135 struct buffer_head *bh;
2136 struct ocfs2_slot_info *si = osb->slot_info;
2137
2138 mlog_entry_void();
2139
2140 if (ocfs2_is_hard_readonly(osb))
2141 return -EROFS;
2142
2143 if (ocfs2_mount_local(osb))
2144 goto bail;

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2154 * refreshed, so we do it here. Of course, making sense of
2155 * everything is up to the caller :) */
2156 status = ocfs2_should_refresh_lock_res(lockres);
2157 if (status < 0) {
2158 mlog_errno(status);
2159 goto bail;
2160 }
2161 if (status) {
2135
2136 mlog_entry_void();
2137
2138 if (ocfs2_is_hard_readonly(osb))
2139 return -EROFS;
2140
2141 if (ocfs2_mount_local(osb))
2142 goto bail;

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2152 * refreshed, so we do it here. Of course, making sense of
2153 * everything is up to the caller :) */
2154 status = ocfs2_should_refresh_lock_res(lockres);
2155 if (status < 0) {
2156 mlog_errno(status);
2157 goto bail;
2158 }
2159 if (status) {
2162 bh = si->si_bh;
2163 status = ocfs2_read_block(osb, bh->b_blocknr, &bh, 0,
2164 si->si_inode);
2165 if (status == 0)
2166 ocfs2_update_slot_info(si);
2160 status = ocfs2_refresh_slot_info(osb);
2167
2168 ocfs2_complete_lock_res_refresh(lockres, status);
2169
2170 if (status < 0)
2171 mlog_errno(status);
2172 }
2173bail:
2174 mlog_exit(status);

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2162 ocfs2_complete_lock_res_refresh(lockres, status);
2163
2164 if (status < 0)
2165 mlog_errno(status);
2166 }
2167bail:
2168 mlog_exit(status);

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