blob: 3754e3cbf02bce2bf04b683bc9d36d48ec6a8bbe [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
Dave Chinnerd6a079e2011-03-11 11:52:25 +000059 spin_lock(&sdp->sd_ail_lock);
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040060 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);
Dave Chinnerd6a079e2011-03-11 11:52:25 +000065 spin_unlock(&sdp->sd_ail_lock);
66
Steven Whitehouse1ad38c42007-09-03 11:01:33 +010067 bd->bd_bh = NULL;
68 bh->b_private = NULL;
69 bd->bd_blkno = bh->b_blocknr;
Dave Chinnerd6a079e2011-03-11 11:52:25 +000070 gfs2_log_lock(sdp);
Steven Whitehouse1ad38c42007-09-03 11:01:33 +010071 gfs2_assert_withdraw(sdp, !buffer_busy(bh));
72 gfs2_trans_add_revoke(sdp, bd);
Dave Chinnerd6a079e2011-03-11 11:52:25 +000073 gfs2_log_unlock(sdp);
74
75 spin_lock(&sdp->sd_ail_lock);
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040076 }
77 gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));
Dave Chinnerd6a079e2011-03-11 11:52:25 +000078 spin_unlock(&sdp->sd_ail_lock);
Steven Whitehouseddacfaf2006-10-03 11:10:41 -040079
80 gfs2_trans_end(sdp);
81 gfs2_log_flush(sdp, NULL);
82}
Steven Whitehouseba7f7292006-07-26 11:27:10 -040083
84/**
Steven Whitehouse6bac2432009-03-09 09:03:51 +000085 * rgrp_go_sync - sync out the metadata for this glock
David Teiglandb3b94fa2006-01-16 16:50:04 +000086 * @gl: the glock
David Teiglandb3b94fa2006-01-16 16:50:04 +000087 *
88 * Called when demoting or unlocking an EX glock. We must flush
89 * to disk all dirty buffers/pages relating to this glock, and must not
90 * not return to caller to demote/unlock the glock until I/O is complete.
91 */
92
Steven Whitehouse6bac2432009-03-09 09:03:51 +000093static void rgrp_go_sync(struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +000094{
Steven Whitehouse009d8512009-12-08 12:12:13 +000095 struct address_space *metamapping = gfs2_glock2aspace(gl);
Steven Whitehouse6bac2432009-03-09 09:03:51 +000096 int error;
Steven Whitehouseb5d32be2007-01-22 12:15:34 -050097
Steven Whitehouse6bac2432009-03-09 09:03:51 +000098 if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))
99 return;
100 BUG_ON(gl->gl_state != LM_ST_EXCLUSIVE);
101
102 gfs2_log_flush(gl->gl_sbd, gl);
103 filemap_fdatawrite(metamapping);
104 error = filemap_fdatawait(metamapping);
105 mapping_set_error(metamapping, error);
106 gfs2_ail_empty_gl(gl);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000107}
108
109/**
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000110 * rgrp_go_inval - invalidate the metadata for this glock
David Teiglandb3b94fa2006-01-16 16:50:04 +0000111 * @gl: the glock
112 * @flags:
113 *
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000114 * We never used LM_ST_DEFERRED with resource groups, so that we
115 * should always see the metadata flag set here.
116 *
David Teiglandb3b94fa2006-01-16 16:50:04 +0000117 */
118
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000119static void rgrp_go_inval(struct gfs2_glock *gl, int flags)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000120{
Steven Whitehouse009d8512009-12-08 12:12:13 +0000121 struct address_space *mapping = gfs2_glock2aspace(gl);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000122
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000123 BUG_ON(!(flags & DIO_METADATA));
124 gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));
125 truncate_inode_pages(mapping, 0);
126
127 if (gl->gl_object) {
Bob Petersoncf45b752008-01-31 10:31:39 -0600128 struct gfs2_rgrpd *rgd = (struct gfs2_rgrpd *)gl->gl_object;
Bob Petersoncf45b752008-01-31 10:31:39 -0600129 rgd->rd_flags &= ~GFS2_RDF_UPTODATE;
130 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000131}
132
133/**
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500134 * inode_go_sync - Sync the dirty data and/or metadata for an inode glock
135 * @gl: the glock protecting the inode
136 *
137 */
138
139static void inode_go_sync(struct gfs2_glock *gl)
140{
141 struct gfs2_inode *ip = gl->gl_object;
Steven Whitehouse009d8512009-12-08 12:12:13 +0000142 struct address_space *metamapping = gfs2_glock2aspace(gl);
Steven Whitehouse3042a2c2007-11-02 08:39:34 +0000143 int error;
144
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500145 if (ip && !S_ISREG(ip->i_inode.i_mode))
146 ip = NULL;
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000147 if (ip && test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags))
148 unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0);
149 if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))
150 return;
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500151
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000152 BUG_ON(gl->gl_state != LM_ST_EXCLUSIVE);
153
154 gfs2_log_flush(gl->gl_sbd, gl);
155 filemap_fdatawrite(metamapping);
156 if (ip) {
157 struct address_space *mapping = ip->i_inode.i_mapping;
158 filemap_fdatawrite(mapping);
159 error = filemap_fdatawait(mapping);
160 mapping_set_error(mapping, error);
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500161 }
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000162 error = filemap_fdatawait(metamapping);
163 mapping_set_error(metamapping, error);
164 gfs2_ail_empty_gl(gl);
Steven Whitehouse52fcd112009-04-20 08:58:45 +0100165 /*
166 * Writeback of the data mapping may cause the dirty flag to be set
167 * so we have to clear it again here.
168 */
169 smp_mb__before_clear_bit();
170 clear_bit(GLF_DIRTY, &gl->gl_flags);
Steven Whitehouseb5d32be2007-01-22 12:15:34 -0500171}
172
173/**
David Teiglandb3b94fa2006-01-16 16:50:04 +0000174 * inode_go_inval - prepare a inode glock to be released
175 * @gl: the glock
176 * @flags:
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000177 *
178 * Normally we invlidate everything, but if we are moving into
179 * LM_ST_DEFERRED from LM_ST_SHARED or LM_ST_EXCLUSIVE then we
180 * can keep hold of the metadata, since it won't have changed.
David Teiglandb3b94fa2006-01-16 16:50:04 +0000181 *
182 */
183
184static void inode_go_inval(struct gfs2_glock *gl, int flags)
185{
Steven Whitehouseb0041572006-11-23 10:51:34 -0500186 struct gfs2_inode *ip = gl->gl_object;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000187
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000188 gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));
189
190 if (flags & DIO_METADATA) {
Steven Whitehouse009d8512009-12-08 12:12:13 +0000191 struct address_space *mapping = gfs2_glock2aspace(gl);
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000192 truncate_inode_pages(mapping, 0);
Steven Whitehousec65f7fb2009-10-02 11:54:39 +0100193 if (ip) {
Steven Whitehouseb0041572006-11-23 10:51:34 -0500194 set_bit(GIF_INVALID, &ip->i_flags);
Steven Whitehousec65f7fb2009-10-02 11:54:39 +0100195 forget_all_cached_acls(&ip->i_inode);
196 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000197 }
Steven Whitehouseb0041572006-11-23 10:51:34 -0500198
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000199 if (ip == GFS2_I(gl->gl_sbd->sd_rindex))
200 gl->gl_sbd->sd_rindex_uptodate = 0;
Steven Whitehouse3cc3f712007-10-15 15:40:33 +0100201 if (ip && S_ISREG(ip->i_inode.i_mode))
Steven Whitehouseb0041572006-11-23 10:51:34 -0500202 truncate_inode_pages(ip->i_inode.i_mapping, 0);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000203}
204
205/**
206 * inode_go_demote_ok - Check to see if it's ok to unlock an inode glock
207 * @gl: the glock
208 *
209 * Returns: 1 if it's ok
210 */
211
Steven Whitehouse97cc1022008-11-20 13:39:47 +0000212static int inode_go_demote_ok(const struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000213{
214 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehousebc015cb2011-01-19 09:30:01 +0000215 struct gfs2_holder *gh;
216
Steven Whitehouse97cc1022008-11-20 13:39:47 +0000217 if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
218 return 0;
Steven Whitehousebc015cb2011-01-19 09:30:01 +0000219
220 if (!list_empty(&gl->gl_holders)) {
221 gh = list_entry(gl->gl_holders.next, struct gfs2_holder, gh_list);
222 if (gh->gh_list.next != &gl->gl_holders)
223 return 0;
224 }
225
Steven Whitehouse97cc1022008-11-20 13:39:47 +0000226 return 1;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000227}
228
229/**
230 * inode_go_lock - operation done after an inode lock is locked by a process
231 * @gl: the glock
232 * @flags:
233 *
234 * Returns: errno
235 */
236
237static int inode_go_lock(struct gfs2_holder *gh)
238{
239 struct gfs2_glock *gl = gh->gh_gl;
Steven Whitehouse813e0c42008-11-18 13:38:48 +0000240 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500241 struct gfs2_inode *ip = gl->gl_object;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000242 int error = 0;
243
Bob Peterson091806e2008-04-29 12:35:48 -0500244 if (!ip || (gh->gh_flags & GL_SKIP))
David Teiglandb3b94fa2006-01-16 16:50:04 +0000245 return 0;
246
Steven Whitehousebfded272006-11-01 16:05:38 -0500247 if (test_bit(GIF_INVALID, &ip->i_flags)) {
David Teiglandb3b94fa2006-01-16 16:50:04 +0000248 error = gfs2_inode_refresh(ip);
249 if (error)
250 return error;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000251 }
252
Steven Whitehouse383f01f2008-11-04 10:05:22 +0000253 if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) &&
David Teiglandb3b94fa2006-01-16 16:50:04 +0000254 (gl->gl_state == LM_ST_EXCLUSIVE) &&
Steven Whitehouse813e0c42008-11-18 13:38:48 +0000255 (gh->gh_state == LM_ST_EXCLUSIVE)) {
256 spin_lock(&sdp->sd_trunc_lock);
257 if (list_empty(&ip->i_trunc_list))
258 list_add(&sdp->sd_trunc_list, &ip->i_trunc_list);
259 spin_unlock(&sdp->sd_trunc_lock);
260 wake_up(&sdp->sd_quota_wait);
261 return 1;
262 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000263
264 return error;
265}
266
267/**
Steven Whitehouse6802e342008-05-21 17:03:22 +0100268 * inode_go_dump - print information about an inode
269 * @seq: The iterator
270 * @ip: the inode
271 *
272 * Returns: 0 on success, -ENOBUFS when we run out of space
273 */
274
275static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
276{
277 const struct gfs2_inode *ip = gl->gl_object;
278 if (ip == NULL)
279 return 0;
Steven Whitehousea2e0f792010-08-11 09:53:11 +0100280 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 +0100281 (unsigned long long)ip->i_no_formal_ino,
282 (unsigned long long)ip->i_no_addr,
Steven Whitehousefa75ced2008-11-10 10:10:12 +0000283 IF2DT(ip->i_inode.i_mode), ip->i_flags,
284 (unsigned int)ip->i_diskflags,
Steven Whitehousea2e0f792010-08-11 09:53:11 +0100285 (unsigned long long)i_size_read(&ip->i_inode));
Steven Whitehouse6802e342008-05-21 17:03:22 +0100286 return 0;
287}
288
289/**
David Teiglandb3b94fa2006-01-16 16:50:04 +0000290 * rgrp_go_lock - operation done after an rgrp lock is locked by
291 * a first holder on this node.
292 * @gl: the glock
293 * @flags:
294 *
295 * Returns: errno
296 */
297
298static int rgrp_go_lock(struct gfs2_holder *gh)
299{
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500300 return gfs2_rgrp_bh_get(gh->gh_gl->gl_object);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000301}
302
303/**
304 * rgrp_go_unlock - operation done before an rgrp lock is unlocked by
305 * a last holder on this node.
306 * @gl: the glock
307 * @flags:
308 *
309 */
310
311static void rgrp_go_unlock(struct gfs2_holder *gh)
312{
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500313 gfs2_rgrp_bh_put(gh->gh_gl->gl_object);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000314}
315
316/**
Steven Whitehouse3042a2c2007-11-02 08:39:34 +0000317 * trans_go_sync - promote/demote the transaction glock
David Teiglandb3b94fa2006-01-16 16:50:04 +0000318 * @gl: the glock
319 * @state: the requested state
320 * @flags:
321 *
322 */
323
Steven Whitehouse3042a2c2007-11-02 08:39:34 +0000324static void trans_go_sync(struct gfs2_glock *gl)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000325{
326 struct gfs2_sbd *sdp = gl->gl_sbd;
327
328 if (gl->gl_state != LM_ST_UNLOCKED &&
329 test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
330 gfs2_meta_syncfs(sdp);
331 gfs2_log_shutdown(sdp);
332 }
David Teiglandb3b94fa2006-01-16 16:50:04 +0000333}
334
335/**
336 * trans_go_xmote_bh - After promoting/demoting the transaction glock
337 * @gl: the glock
338 *
339 */
340
Steven Whitehouse6802e342008-05-21 17:03:22 +0100341static int trans_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000342{
343 struct gfs2_sbd *sdp = gl->gl_sbd;
Steven Whitehousefeaa7bb2006-06-14 15:32:57 -0400344 struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);
Steven Whitehouse5c676f62006-02-27 17:23:27 -0500345 struct gfs2_glock *j_gl = ip->i_gl;
Al Viro55167622006-10-13 21:47:13 -0400346 struct gfs2_log_header_host head;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000347 int error;
348
Steven Whitehouse6802e342008-05-21 17:03:22 +0100349 if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
Steven Whitehouse1a14d3a2006-11-20 10:37:45 -0500350 j_gl->gl_ops->go_inval(j_gl, DIO_METADATA);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000351
352 error = gfs2_find_jhead(sdp->sd_jdesc, &head);
353 if (error)
354 gfs2_consist(sdp);
355 if (!(head.lh_flags & GFS2_LOG_HEAD_UNMOUNT))
356 gfs2_consist(sdp);
357
358 /* Initialize some head of the log stuff */
359 if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) {
360 sdp->sd_log_sequence = head.lh_sequence + 1;
361 gfs2_log_pointers_init(sdp, head.lh_blkno);
362 }
363 }
Steven Whitehouse6802e342008-05-21 17:03:22 +0100364 return 0;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000365}
366
367/**
Steven Whitehouse97cc1022008-11-20 13:39:47 +0000368 * trans_go_demote_ok
369 * @gl: the glock
370 *
371 * Always returns 0
372 */
373
374static int trans_go_demote_ok(const struct gfs2_glock *gl)
375{
376 return 0;
377}
378
Benjamin Marzinskib94a1702009-07-23 18:52:34 -0500379/**
380 * iopen_go_callback - schedule the dcache entry for the inode to be deleted
381 * @gl: the glock
382 *
383 * gl_spin lock is held while calling this
384 */
385static void iopen_go_callback(struct gfs2_glock *gl)
386{
387 struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;
388
389 if (gl->gl_demote_state == LM_ST_UNLOCKED &&
Steven Whitehouse009d8512009-12-08 12:12:13 +0000390 gl->gl_state == LM_ST_SHARED && ip) {
Benjamin Marzinskib94a1702009-07-23 18:52:34 -0500391 gfs2_glock_hold(gl);
392 if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0)
393 gfs2_glock_put_nolock(gl);
394 }
395}
396
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400397const struct gfs2_glock_operations gfs2_meta_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400398 .go_type = LM_TYPE_META,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000399};
400
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400401const struct gfs2_glock_operations gfs2_inode_glops = {
Steven Whitehouse3042a2c2007-11-02 08:39:34 +0000402 .go_xmote_th = inode_go_sync,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000403 .go_inval = inode_go_inval,
404 .go_demote_ok = inode_go_demote_ok,
405 .go_lock = inode_go_lock,
Steven Whitehouse6802e342008-05-21 17:03:22 +0100406 .go_dump = inode_go_dump,
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400407 .go_type = LM_TYPE_INODE,
Steven Whitehouse6802e342008-05-21 17:03:22 +0100408 .go_min_hold_time = HZ / 5,
Steven Whitehouse009d8512009-12-08 12:12:13 +0000409 .go_flags = GLOF_ASPACE,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000410};
411
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400412const struct gfs2_glock_operations gfs2_rgrp_glops = {
Steven Whitehouse6bac2432009-03-09 09:03:51 +0000413 .go_xmote_th = rgrp_go_sync,
414 .go_inval = rgrp_go_inval,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000415 .go_lock = rgrp_go_lock,
416 .go_unlock = rgrp_go_unlock,
Steven Whitehouse09010972009-05-20 10:48:47 +0100417 .go_dump = gfs2_rgrp_dump,
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400418 .go_type = LM_TYPE_RGRP,
Steven Whitehouse6802e342008-05-21 17:03:22 +0100419 .go_min_hold_time = HZ / 5,
Steven Whitehouse009d8512009-12-08 12:12:13 +0000420 .go_flags = GLOF_ASPACE,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000421};
422
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400423const struct gfs2_glock_operations gfs2_trans_glops = {
Steven Whitehouse3042a2c2007-11-02 08:39:34 +0000424 .go_xmote_th = trans_go_sync,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000425 .go_xmote_bh = trans_go_xmote_bh,
Steven Whitehouse97cc1022008-11-20 13:39:47 +0000426 .go_demote_ok = trans_go_demote_ok,
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400427 .go_type = LM_TYPE_NONDISK,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000428};
429
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400430const struct gfs2_glock_operations gfs2_iopen_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400431 .go_type = LM_TYPE_IOPEN,
Benjamin Marzinskib94a1702009-07-23 18:52:34 -0500432 .go_callback = iopen_go_callback,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000433};
434
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400435const struct gfs2_glock_operations gfs2_flock_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400436 .go_type = LM_TYPE_FLOCK,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000437};
438
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400439const struct gfs2_glock_operations gfs2_nondisk_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400440 .go_type = LM_TYPE_NONDISK,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000441};
442
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400443const struct gfs2_glock_operations gfs2_quota_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400444 .go_type = LM_TYPE_QUOTA,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000445};
446
Steven Whitehouse8fb4b532006-08-30 09:30:00 -0400447const struct gfs2_glock_operations gfs2_journal_glops = {
Steven Whitehouseea67eed2006-09-05 10:53:09 -0400448 .go_type = LM_TYPE_JOURNAL,
David Teiglandb3b94fa2006-01-16 16:50:04 +0000449};
450
Steven Whitehouse64d576b2009-02-12 13:31:58 +0000451const struct gfs2_glock_operations *gfs2_glops_list[] = {
452 [LM_TYPE_META] = &gfs2_meta_glops,
453 [LM_TYPE_INODE] = &gfs2_inode_glops,
454 [LM_TYPE_RGRP] = &gfs2_rgrp_glops,
Steven Whitehouse64d576b2009-02-12 13:31:58 +0000455 [LM_TYPE_IOPEN] = &gfs2_iopen_glops,
456 [LM_TYPE_FLOCK] = &gfs2_flock_glops,
457 [LM_TYPE_NONDISK] = &gfs2_nondisk_glops,
458 [LM_TYPE_QUOTA] = &gfs2_quota_glops,
459 [LM_TYPE_JOURNAL] = &gfs2_journal_glops,
460};
461