blob: 263561bf1a5059b4bf644340faa6a4435c62d14f [file] [log] [blame]
David Teiglandb3b94fa2006-01-16 16:50:04 +00001/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
Bob Petersoncf45b752008-01-31 10:31:39 -06003 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
David Teiglandb3b94fa2006-01-16 16:50:04 +00004 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
Steven Whitehousee9fc2aa2006-09-01 11:05:15 -04007 * of the GNU General Public License version 2.
David Teiglandb3b94fa2006-01-16 16:50:04 +00008 */
9
David Teiglandb3b94fa2006-01-16 16:50:04 +000010#include <linux/spinlock.h>
11#include <linux/completion.h>
12#include <linux/buffer_head.h>
Steven Whitehouse5c676f62006-02-27 17:23:27 -050013#include <linux/gfs2_ondisk.h>
Steven Whitehouse6802e342008-05-21 17:03:22 +010014#include <linux/bio.h>
Steven Whitehousec65f7fb2009-10-02 11:54:39 +010015#include <linux/posix_acl.h>
David Teiglandb3b94fa2006-01-16 16:50:04 +000016
17#include "gfs2.h"
Steven Whitehouse5c676f62006-02-27 17:23:27 -050018#include "incore.h"
David Teiglandb3b94fa2006-01-16 16:50:04 +000019#include "bmap.h"
20#include "glock.h"
21#include "glops.h"
22#include "inode.h"
23#include "log.h"
24#include "meta_io.h"
David Teiglandb3b94fa2006-01-16 16:50:04 +000025#include "recovery.h"
26#include "rgrp.h"
Steven Whitehouse5c676f62006-02-27 17:23:27 -050027#include "util.h"
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040028#include "trans.h"
David Teiglandb3b94fa2006-01-16 16:50:04 +000029
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040030/**
31 * ail_empty_gl - remove all buffers for a given lock from the AIL
32 * @gl: the glock
33 *
34 * None of the buffers should be dirty, locked, or pinned.
35 */
36
37static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
38{
39 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040040 struct list_head *head = &gl->gl_ail_list;
41 struct gfs2_bufdata *bd;
42 struct buffer_head *bh;
Steven Whitehoused8348de2009-02-05 10:12:38 +000043 struct gfs2_trans tr;
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040044
Steven Whitehoused8348de2009-02-05 10:12:38 +000045 memset(&tr, 0, sizeof(tr));
46 tr.tr_revokes = atomic_read(&gl->gl_ail_count);
47
48 if (!tr.tr_revokes)
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040049 return;
50
Steven Whitehoused8348de2009-02-05 10:12:38 +000051 /* A shortened, inline version of gfs2_trans_begin() */
52 tr.tr_reserved = 1 + gfs2_struct2blk(sdp, tr.tr_revokes, sizeof(u64));
53 tr.tr_ip = (unsigned long)__builtin_return_address(0);
54 INIT_LIST_HEAD(&tr.tr_list_buf);
55 gfs2_log_reserve(sdp, tr.tr_reserved);
56 BUG_ON(current->journal_info);
57 current->journal_info = &tr;
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040058
59 gfs2_log_lock(sdp);
60 while (!list_empty(head)) {
61 bd = list_entry(head->next, struct gfs2_bufdata,
62 bd_ail_gl_list);
63 bh = bd->bd_bh;
Steven Whitehousef91a0d32007-10-15 16:29:05 +010064 gfs2_remove_from_ail(bd);
Steven Whitehouse1ad38c42007-09-03 11:01:33 +010065 bd->bd_bh = NULL;
66 bh->b_private = NULL;
67 bd->bd_blkno = bh->b_blocknr;
68 gfs2_assert_withdraw(sdp, !buffer_busy(bh));
69 gfs2_trans_add_revoke(sdp, bd);
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040070 }
71 gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));
72 gfs2_log_unlock(sdp);
73
74 gfs2_trans_end(sdp);
75 gfs2_log_flush(sdp, NULL);
76}
Steven Whitehouseba7f7292006-07-26 11:27:10 -040077
78/**
Steven Whitehouse6bac2432009-03-09 09:03:51 +000079 * rgrp_go_sync - sync out the metadata for this glock
David Teiglandb3b94fa2006-01-16 16:50:04 +000080 * @gl: the glock
David Teiglandb3b94fa2006-01-16 16:50:04 +000081 *
82 * Called when demoting or unlocking an EX glock. We must flush
83 * to disk all dirty buffers/pages relating to this glock, and must not
84 * not return to caller to demote/unlock the glock until I/O is complete.
85 */
86
Steven Whitehouse6bac2432009-03-09 09:03:51 +000087static void rgrp_go_sync(struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +000088{
Steven Whitehouse009d8512009-12-08 12:12:13 +000089 struct address_space *metamapping = gfs2_glock2aspace(gl);
Steven Whitehouse6bac2432009-03-09 09:03:51 +000090 int error;
Steven Whitehouseb5d32be2007-01-22 12:15:34 -050091
Steven Whitehouse6bac2432009-03-09 09:03:51 +000092 if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))
93 return;
94 BUG_ON(gl->gl_state != LM_ST_EXCLUSIVE);
95
96 gfs2_log_flush(gl->gl_sbd, gl);
97 filemap_fdatawrite(metamapping);
98 error = filemap_fdatawait(metamapping);
99 mapping_set_error(metamapping, error);
100 gfs2_ail_empty_gl(gl);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000101}
102
103/**
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000104 * rgrp_go_inval - invalidate the metadata for this glock
David Teiglandb3b94fa2006-01-16 16:50:04 +0000105 * @gl: the glock
106 * @flags:
107 *
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000108 * We never used LM_ST_DEFERRED with resource groups, so that we
109 * should always see the metadata flag set here.
110 *
David Teiglandb3b94fa2006-01-16 16:50:04 +0000111 */
112
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000113static void rgrp_go_inval(struct gfs2_glock *gl, int flags)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000114{
Steven Whitehouse009d8512009-12-08 12:12:13 +0000115 struct address_space *mapping = gfs2_glock2aspace(gl);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000116
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000117 BUG_ON(!(flags & DIO_METADATA));
118 gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));
119 truncate_inode_pages(mapping, 0);
120
121 if (gl->gl_object) {
Bob Petersoncf45b752008-01-31 10:31:39 -0600122 struct gfs2_rgrpd *rgd = (struct gfs2_rgrpd *)gl->gl_object;
Bob Petersoncf45b752008-01-31 10:31:39 -0600123 rgd->rd_flags &= ~GFS2_RDF_UPTODATE;
124 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000125}
126
127/**
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500128 * inode_go_sync - Sync the dirty data and/or metadata for an inode glock
129 * @gl: the glock protecting the inode
130 *
131 */
132
133static void inode_go_sync(struct gfs2_glock *gl)
134{
135 struct gfs2_inode *ip = gl->gl_object;
Steven Whitehouse009d8512009-12-08 12:12:13 +0000136 struct address_space *metamapping = gfs2_glock2aspace(gl);
Steven Whitehouse3042a2cc2007-11-02 08:39:34 +0000137 int error;
138
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500139 if (ip && !S_ISREG(ip->i_inode.i_mode))
140 ip = NULL;
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000141 if (ip && test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags))
142 unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0);
143 if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))
144 return;
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500145
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000146 BUG_ON(gl->gl_state != LM_ST_EXCLUSIVE);
147
148 gfs2_log_flush(gl->gl_sbd, gl);
149 filemap_fdatawrite(metamapping);
150 if (ip) {
151 struct address_space *mapping = ip->i_inode.i_mapping;
152 filemap_fdatawrite(mapping);
153 error = filemap_fdatawait(mapping);
154 mapping_set_error(mapping, error);
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500155 }
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000156 error = filemap_fdatawait(metamapping);
157 mapping_set_error(metamapping, error);
158 gfs2_ail_empty_gl(gl);
Steven Whitehouse52fcd112009-04-20 08:58:45 +0100159 /*
160 * Writeback of the data mapping may cause the dirty flag to be set
161 * so we have to clear it again here.
162 */
163 smp_mb__before_clear_bit();
164 clear_bit(GLF_DIRTY, &gl->gl_flags);
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500165}
166
167/**
David Teiglandb3b94fa2006-01-16 16:50:04 +0000168 * inode_go_inval - prepare a inode glock to be released
169 * @gl: the glock
170 * @flags:
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000171 *
172 * Normally we invlidate everything, but if we are moving into
173 * LM_ST_DEFERRED from LM_ST_SHARED or LM_ST_EXCLUSIVE then we
174 * can keep hold of the metadata, since it won't have changed.
David Teiglandb3b94fa2006-01-16 16:50:04 +0000175 *
176 */
177
178static void inode_go_inval(struct gfs2_glock *gl, int flags)
179{
Steven Whitehouseb0041572006-11-23 10:51:34 -0500180 struct gfs2_inode *ip = gl->gl_object;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000181
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000182 gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));
183
184 if (flags & DIO_METADATA) {
Steven Whitehouse009d8512009-12-08 12:12:13 +0000185 struct address_space *mapping = gfs2_glock2aspace(gl);
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000186 truncate_inode_pages(mapping, 0);
Steven Whitehousec65f7fb2009-10-02 11:54:39 +0100187 if (ip) {
Steven Whitehouseb0041572006-11-23 10:51:34 -0500188 set_bit(GIF_INVALID, &ip->i_flags);
Steven Whitehousec65f7fb2009-10-02 11:54:39 +0100189 forget_all_cached_acls(&ip->i_inode);
190 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000191 }
Steven Whitehouseb0041572006-11-23 10:51:34 -0500192
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000193 if (ip == GFS2_I(gl->gl_sbd->sd_rindex))
194 gl->gl_sbd->sd_rindex_uptodate = 0;
Steven Whitehouse3cc3f712007-10-15 15:40:33 +0100195 if (ip && S_ISREG(ip->i_inode.i_mode))
Steven Whitehouseb0041572006-11-23 10:51:34 -0500196 truncate_inode_pages(ip->i_inode.i_mapping, 0);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000197}
198
199/**
200 * inode_go_demote_ok - Check to see if it's ok to unlock an inode glock
201 * @gl: the glock
202 *
203 * Returns: 1 if it's ok
204 */
205
Steven Whitehouse97cc10252008-11-20 13:39:47 +0000206static int inode_go_demote_ok(const struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000207{
208 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehouse97cc10252008-11-20 13:39:47 +0000209 if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
210 return 0;
211 return 1;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000212}
213
214/**
215 * inode_go_lock - operation done after an inode lock is locked by a process
216 * @gl: the glock
217 * @flags:
218 *
219 * Returns: errno
220 */
221
222static int inode_go_lock(struct gfs2_holder *gh)
223{
224 struct gfs2_glock *gl = gh->gh_gl;
Steven Whitehouse813e0c462008-11-18 13:38:48 +0000225 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500226 struct gfs2_inode *ip = gl->gl_object;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000227 int error = 0;
228
Bob Peterson091806ed2008-04-29 12:35:48 -0500229 if (!ip || (gh->gh_flags & GL_SKIP))
David Teiglandb3b94fa2006-01-16 16:50:04 +0000230 return 0;
231
Steven Whitehousebfded272006-11-01 16:05:38 -0500232 if (test_bit(GIF_INVALID, &ip->i_flags)) {
David Teiglandb3b94fa2006-01-16 16:50:04 +0000233 error = gfs2_inode_refresh(ip);
234 if (error)
235 return error;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000236 }
237
Steven Whitehouse383f01f2008-11-04 10:05:22 +0000238 if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) &&
David Teiglandb3b94fa2006-01-16 16:50:04 +0000239 (gl->gl_state == LM_ST_EXCLUSIVE) &&
Steven Whitehouse813e0c462008-11-18 13:38:48 +0000240 (gh->gh_state == LM_ST_EXCLUSIVE)) {
241 spin_lock(&sdp->sd_trunc_lock);
242 if (list_empty(&ip->i_trunc_list))
243 list_add(&sdp->sd_trunc_list, &ip->i_trunc_list);
244 spin_unlock(&sdp->sd_trunc_lock);
245 wake_up(&sdp->sd_quota_wait);
246 return 1;
247 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000248
249 return error;
250}
251
252/**
Steven Whitehouse6802e342008-05-21 17:03:22 +0100253 * inode_go_dump - print information about an inode
254 * @seq: The iterator
255 * @ip: the inode
256 *
257 * Returns: 0 on success, -ENOBUFS when we run out of space
258 */
259
260static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
261{
262 const struct gfs2_inode *ip = gl->gl_object;
263 if (ip == NULL)
264 return 0;
Steven Whitehousea2e0f792010-08-11 09:53:11 +0100265 gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%02lx d:0x%08x s:%llu\n",
Steven Whitehouse6802e342008-05-21 17:03:22 +0100266 (unsigned long long)ip->i_no_formal_ino,
267 (unsigned long long)ip->i_no_addr,
Steven Whitehousefa75ced2008-11-10 10:10:12 +0000268 IF2DT(ip->i_inode.i_mode), ip->i_flags,
269 (unsigned int)ip->i_diskflags,
Steven Whitehousea2e0f792010-08-11 09:53:11 +0100270 (unsigned long long)i_size_read(&ip->i_inode));
Steven Whitehouse6802e342008-05-21 17:03:22 +0100271 return 0;
272}
273
274/**
David Teiglandb3b94fa2006-01-16 16:50:04 +0000275 * rgrp_go_demote_ok - Check to see if it's ok to unlock a RG's glock
276 * @gl: the glock
277 *
278 * Returns: 1 if it's ok
279 */
280
Steven Whitehouse97cc10252008-11-20 13:39:47 +0000281static int rgrp_go_demote_ok(const struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000282{
Steven Whitehouse009d8512009-12-08 12:12:13 +0000283 const struct address_space *mapping = (const struct address_space *)(gl + 1);
284 return !mapping->nrpages;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000285}
286
287/**
288 * rgrp_go_lock - operation done after an rgrp lock is locked by
289 * a first holder on this node.
290 * @gl: the glock
291 * @flags:
292 *
293 * Returns: errno
294 */
295
296static int rgrp_go_lock(struct gfs2_holder *gh)
297{
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500298 return gfs2_rgrp_bh_get(gh->gh_gl->gl_object);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000299}
300
301/**
302 * rgrp_go_unlock - operation done before an rgrp lock is unlocked by
303 * a last holder on this node.
304 * @gl: the glock
305 * @flags:
306 *
307 */
308
309static void rgrp_go_unlock(struct gfs2_holder *gh)
310{
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500311 gfs2_rgrp_bh_put(gh->gh_gl->gl_object);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000312}
313
314/**
Steven Whitehouse3042a2cc2007-11-02 08:39:34 +0000315 * trans_go_sync - promote/demote the transaction glock
David Teiglandb3b94fa2006-01-16 16:50:04 +0000316 * @gl: the glock
317 * @state: the requested state
318 * @flags:
319 *
320 */
321
Steven Whitehouse3042a2cc2007-11-02 08:39:34 +0000322static void trans_go_sync(struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000323{
324 struct gfs2_sbd *sdp = gl->gl_sbd;
325
326 if (gl->gl_state != LM_ST_UNLOCKED &&
327 test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
328 gfs2_meta_syncfs(sdp);
329 gfs2_log_shutdown(sdp);
330 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000331}
332
333/**
334 * trans_go_xmote_bh - After promoting/demoting the transaction glock
335 * @gl: the glock
336 *
337 */
338
Steven Whitehouse6802e342008-05-21 17:03:22 +0100339static int trans_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000340{
341 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehousefeaa7bb2006-06-14 15:32:57 -0400342 struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500343 struct gfs2_glock *j_gl = ip->i_gl;
Al Viro55167622006-10-13 21:47:13 -0400344 struct gfs2_log_header_host head;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000345 int error;
346
Steven Whitehouse6802e342008-05-21 17:03:22 +0100347 if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
Steven Whitehouse1a14d3a2006-11-20 10:37:45 -0500348 j_gl->gl_ops->go_inval(j_gl, DIO_METADATA);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000349
350 error = gfs2_find_jhead(sdp->sd_jdesc, &head);
351 if (error)
352 gfs2_consist(sdp);
353 if (!(head.lh_flags & GFS2_LOG_HEAD_UNMOUNT))
354 gfs2_consist(sdp);
355
356 /* Initialize some head of the log stuff */
357 if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) {
358 sdp->sd_log_sequence = head.lh_sequence + 1;
359 gfs2_log_pointers_init(sdp, head.lh_blkno);
360 }
361 }
Steven Whitehouse6802e342008-05-21 17:03:22 +0100362 return 0;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000363}
364
365/**
Steven Whitehouse97cc10252008-11-20 13:39:47 +0000366 * trans_go_demote_ok
367 * @gl: the glock
368 *
369 * Always returns 0
370 */
371
372static int trans_go_demote_ok(const struct gfs2_glock *gl)
373{
374 return 0;
375}
376
Benjamin Marzinskib94a1702009-07-23 18:52:34 -0500377/**
378 * iopen_go_callback - schedule the dcache entry for the inode to be deleted
379 * @gl: the glock
380 *
381 * gl_spin lock is held while calling this
382 */
383static void iopen_go_callback(struct gfs2_glock *gl)
384{
385 struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;
386
387 if (gl->gl_demote_state == LM_ST_UNLOCKED &&
Steven Whitehouse009d8512009-12-08 12:12:13 +0000388 gl->gl_state == LM_ST_SHARED && ip) {
Benjamin Marzinskib94a1702009-07-23 18:52:34 -0500389 gfs2_glock_hold(gl);
390 if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0)
391 gfs2_glock_put_nolock(gl);
392 }
393}
394
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400395const struct gfs2_glock_operations gfs2_meta_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400396 .go_type = LM_TYPE_META,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000397};
398
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400399const struct gfs2_glock_operations gfs2_inode_glops = {
Steven Whitehouse3042a2cc2007-11-02 08:39:34 +0000400 .go_xmote_th = inode_go_sync,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000401 .go_inval = inode_go_inval,
402 .go_demote_ok = inode_go_demote_ok,
403 .go_lock = inode_go_lock,
Steven Whitehouse6802e342008-05-21 17:03:22 +0100404 .go_dump = inode_go_dump,
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400405 .go_type = LM_TYPE_INODE,
Steven Whitehouse6802e342008-05-21 17:03:22 +0100406 .go_min_hold_time = HZ / 5,
Steven Whitehouse009d8512009-12-08 12:12:13 +0000407 .go_flags = GLOF_ASPACE,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000408};
409
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400410const struct gfs2_glock_operations gfs2_rgrp_glops = {
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000411 .go_xmote_th = rgrp_go_sync,
412 .go_inval = rgrp_go_inval,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000413 .go_demote_ok = rgrp_go_demote_ok,
414 .go_lock = rgrp_go_lock,
415 .go_unlock = rgrp_go_unlock,
Steven Whitehouse09010972009-05-20 10:48:47 +0100416 .go_dump = gfs2_rgrp_dump,
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400417 .go_type = LM_TYPE_RGRP,
Steven Whitehouse6802e342008-05-21 17:03:22 +0100418 .go_min_hold_time = HZ / 5,
Steven Whitehouse009d8512009-12-08 12:12:13 +0000419 .go_flags = GLOF_ASPACE,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000420};
421
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400422const struct gfs2_glock_operations gfs2_trans_glops = {
Steven Whitehouse3042a2cc2007-11-02 08:39:34 +0000423 .go_xmote_th = trans_go_sync,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000424 .go_xmote_bh = trans_go_xmote_bh,
Steven Whitehouse97cc10252008-11-20 13:39:47 +0000425 .go_demote_ok = trans_go_demote_ok,
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400426 .go_type = LM_TYPE_NONDISK,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000427};
428
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400429const struct gfs2_glock_operations gfs2_iopen_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400430 .go_type = LM_TYPE_IOPEN,
Benjamin Marzinskib94a1702009-07-23 18:52:34 -0500431 .go_callback = iopen_go_callback,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000432};
433
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400434const struct gfs2_glock_operations gfs2_flock_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400435 .go_type = LM_TYPE_FLOCK,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000436};
437
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400438const struct gfs2_glock_operations gfs2_nondisk_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400439 .go_type = LM_TYPE_NONDISK,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000440};
441
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400442const struct gfs2_glock_operations gfs2_quota_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400443 .go_type = LM_TYPE_QUOTA,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000444};
445
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400446const struct gfs2_glock_operations gfs2_journal_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400447 .go_type = LM_TYPE_JOURNAL,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000448};
449
Steven Whitehouse64d576b2009-02-12 13:31:58 +0000450const struct gfs2_glock_operations *gfs2_glops_list[] = {
451 [LM_TYPE_META] = &gfs2_meta_glops,
452 [LM_TYPE_INODE] = &gfs2_inode_glops,
453 [LM_TYPE_RGRP] = &gfs2_rgrp_glops,
Steven Whitehouse64d576b2009-02-12 13:31:58 +0000454 [LM_TYPE_IOPEN] = &gfs2_iopen_glops,
455 [LM_TYPE_FLOCK] = &gfs2_flock_glops,
456 [LM_TYPE_NONDISK] = &gfs2_nondisk_glops,
457 [LM_TYPE_QUOTA] = &gfs2_quota_glops,
458 [LM_TYPE_JOURNAL] = &gfs2_journal_glops,
459};
460