1b3b94faaSDavid Teigland /* 2b3b94faaSDavid Teigland * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 33a8a9a10SSteven Whitehouse * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 4b3b94faaSDavid Teigland * 5b3b94faaSDavid Teigland * This copyrighted material is made available to anyone wishing to use, 6b3b94faaSDavid Teigland * modify, copy, or redistribute it subject to the terms and conditions 7e9fc2aa0SSteven Whitehouse * of the GNU General Public License version 2. 8b3b94faaSDavid Teigland */ 9b3b94faaSDavid Teigland 10b3b94faaSDavid Teigland #include <linux/sched.h> 11b3b94faaSDavid Teigland #include <linux/slab.h> 12b3b94faaSDavid Teigland #include <linux/spinlock.h> 13b3b94faaSDavid Teigland #include <linux/completion.h> 14b3b94faaSDavid Teigland #include <linux/buffer_head.h> 155c676f6dSSteven Whitehouse #include <linux/gfs2_ondisk.h> 167d308590SFabio Massimo Di Nitto #include <linux/lm_interface.h> 17b3b94faaSDavid Teigland 18b3b94faaSDavid Teigland #include "gfs2.h" 195c676f6dSSteven Whitehouse #include "incore.h" 202332c443SRobert Peterson #include "inode.h" 21b3b94faaSDavid Teigland #include "glock.h" 22b3b94faaSDavid Teigland #include "log.h" 23b3b94faaSDavid Teigland #include "lops.h" 24b3b94faaSDavid Teigland #include "meta_io.h" 25b3b94faaSDavid Teigland #include "recovery.h" 26b3b94faaSDavid Teigland #include "rgrp.h" 27b3b94faaSDavid Teigland #include "trans.h" 285c676f6dSSteven Whitehouse #include "util.h" 29b3b94faaSDavid Teigland 309b9107a5SSteven Whitehouse /** 319b9107a5SSteven Whitehouse * gfs2_pin - Pin a buffer in memory 329b9107a5SSteven Whitehouse * @sdp: The superblock 339b9107a5SSteven Whitehouse * @bh: The buffer to be pinned 349b9107a5SSteven Whitehouse * 359b9107a5SSteven Whitehouse * The log lock must be held when calling this function 369b9107a5SSteven Whitehouse */ 379b9107a5SSteven Whitehouse static void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh) 389b9107a5SSteven Whitehouse { 399b9107a5SSteven Whitehouse struct gfs2_bufdata *bd; 409b9107a5SSteven Whitehouse 419b9107a5SSteven Whitehouse gfs2_assert_withdraw(sdp, test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)); 429b9107a5SSteven Whitehouse 439b9107a5SSteven Whitehouse clear_buffer_dirty(bh); 449b9107a5SSteven Whitehouse if (test_set_buffer_pinned(bh)) 459b9107a5SSteven Whitehouse gfs2_assert_withdraw(sdp, 0); 469b9107a5SSteven Whitehouse if (!buffer_uptodate(bh)) 479b9107a5SSteven Whitehouse gfs2_io_error_bh(sdp, bh); 489b9107a5SSteven Whitehouse bd = bh->b_private; 499b9107a5SSteven Whitehouse /* If this buffer is in the AIL and it has already been written 509b9107a5SSteven Whitehouse * to in-place disk block, remove it from the AIL. 519b9107a5SSteven Whitehouse */ 529b9107a5SSteven Whitehouse if (bd->bd_ail) 539b9107a5SSteven Whitehouse list_move(&bd->bd_ail_st_list, &bd->bd_ail->ai_ail2_list); 549b9107a5SSteven Whitehouse get_bh(bh); 559b9107a5SSteven Whitehouse } 569b9107a5SSteven Whitehouse 579b9107a5SSteven Whitehouse /** 589b9107a5SSteven Whitehouse * gfs2_unpin - Unpin a buffer 599b9107a5SSteven Whitehouse * @sdp: the filesystem the buffer belongs to 609b9107a5SSteven Whitehouse * @bh: The buffer to unpin 619b9107a5SSteven Whitehouse * @ai: 629b9107a5SSteven Whitehouse * 639b9107a5SSteven Whitehouse */ 649b9107a5SSteven Whitehouse 659b9107a5SSteven Whitehouse static void gfs2_unpin(struct gfs2_sbd *sdp, struct buffer_head *bh, 669b9107a5SSteven Whitehouse struct gfs2_ail *ai) 679b9107a5SSteven Whitehouse { 689b9107a5SSteven Whitehouse struct gfs2_bufdata *bd = bh->b_private; 699b9107a5SSteven Whitehouse 709b9107a5SSteven Whitehouse gfs2_assert_withdraw(sdp, buffer_uptodate(bh)); 719b9107a5SSteven Whitehouse 729b9107a5SSteven Whitehouse if (!buffer_pinned(bh)) 739b9107a5SSteven Whitehouse gfs2_assert_withdraw(sdp, 0); 749b9107a5SSteven Whitehouse 759b9107a5SSteven Whitehouse lock_buffer(bh); 769b9107a5SSteven Whitehouse mark_buffer_dirty(bh); 779b9107a5SSteven Whitehouse clear_buffer_pinned(bh); 789b9107a5SSteven Whitehouse 799b9107a5SSteven Whitehouse gfs2_log_lock(sdp); 809b9107a5SSteven Whitehouse if (bd->bd_ail) { 819b9107a5SSteven Whitehouse list_del(&bd->bd_ail_st_list); 829b9107a5SSteven Whitehouse brelse(bh); 839b9107a5SSteven Whitehouse } else { 849b9107a5SSteven Whitehouse struct gfs2_glock *gl = bd->bd_gl; 859b9107a5SSteven Whitehouse list_add(&bd->bd_ail_gl_list, &gl->gl_ail_list); 869b9107a5SSteven Whitehouse atomic_inc(&gl->gl_ail_count); 879b9107a5SSteven Whitehouse } 889b9107a5SSteven Whitehouse bd->bd_ail = ai; 899b9107a5SSteven Whitehouse list_add(&bd->bd_ail_st_list, &ai->ai_ail1_list); 902bcd610dSSteven Whitehouse clear_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); 919b9107a5SSteven Whitehouse gfs2_log_unlock(sdp); 929b9107a5SSteven Whitehouse unlock_buffer(bh); 939b9107a5SSteven Whitehouse } 949b9107a5SSteven Whitehouse 9516615be1SSteven Whitehouse 9616615be1SSteven Whitehouse static inline struct gfs2_log_descriptor *bh_log_desc(struct buffer_head *bh) 9716615be1SSteven Whitehouse { 9816615be1SSteven Whitehouse return (struct gfs2_log_descriptor *)bh->b_data; 9916615be1SSteven Whitehouse } 10016615be1SSteven Whitehouse 10116615be1SSteven Whitehouse static inline __be64 *bh_log_ptr(struct buffer_head *bh) 10216615be1SSteven Whitehouse { 10316615be1SSteven Whitehouse struct gfs2_log_descriptor *ld = bh_log_desc(bh); 10416615be1SSteven Whitehouse return (__force __be64 *)(ld + 1); 10516615be1SSteven Whitehouse } 10616615be1SSteven Whitehouse 10716615be1SSteven Whitehouse static inline __be64 *bh_ptr_end(struct buffer_head *bh) 10816615be1SSteven Whitehouse { 10916615be1SSteven Whitehouse return (__force __be64 *)(bh->b_data + bh->b_size); 11016615be1SSteven Whitehouse } 11116615be1SSteven Whitehouse 11216615be1SSteven Whitehouse 11316615be1SSteven Whitehouse static struct buffer_head *gfs2_get_log_desc(struct gfs2_sbd *sdp, u32 ld_type) 11416615be1SSteven Whitehouse { 11516615be1SSteven Whitehouse struct buffer_head *bh = gfs2_log_get_buf(sdp); 11616615be1SSteven Whitehouse struct gfs2_log_descriptor *ld = bh_log_desc(bh); 11716615be1SSteven Whitehouse ld->ld_header.mh_magic = cpu_to_be32(GFS2_MAGIC); 11816615be1SSteven Whitehouse ld->ld_header.mh_type = cpu_to_be32(GFS2_METATYPE_LD); 11916615be1SSteven Whitehouse ld->ld_header.mh_format = cpu_to_be32(GFS2_FORMAT_LD); 12016615be1SSteven Whitehouse ld->ld_type = cpu_to_be32(ld_type); 12116615be1SSteven Whitehouse ld->ld_length = 0; 12216615be1SSteven Whitehouse ld->ld_data1 = 0; 12316615be1SSteven Whitehouse ld->ld_data2 = 0; 12416615be1SSteven Whitehouse memset(ld->ld_reserved, 0, sizeof(ld->ld_reserved)); 12516615be1SSteven Whitehouse return bh; 12616615be1SSteven Whitehouse } 12716615be1SSteven Whitehouse 128b3b94faaSDavid Teigland static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) 129b3b94faaSDavid Teigland { 130b3b94faaSDavid Teigland struct gfs2_bufdata *bd = container_of(le, struct gfs2_bufdata, bd_le); 131b3b94faaSDavid Teigland struct gfs2_trans *tr; 132b3b94faaSDavid Teigland 1339b9107a5SSteven Whitehouse lock_buffer(bd->bd_bh); 1348bd95727SSteven Whitehouse gfs2_log_lock(sdp); 1359b9107a5SSteven Whitehouse if (!list_empty(&bd->bd_list_tr)) 1369b9107a5SSteven Whitehouse goto out; 1375c676f6dSSteven Whitehouse tr = current->journal_info; 138b3b94faaSDavid Teigland tr->tr_touched = 1; 139b3b94faaSDavid Teigland tr->tr_num_buf++; 140b3b94faaSDavid Teigland list_add(&bd->bd_list_tr, &tr->tr_list_buf); 141b3b94faaSDavid Teigland if (!list_empty(&le->le_list)) 1429b9107a5SSteven Whitehouse goto out; 1432bcd610dSSteven Whitehouse set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); 1442bcd610dSSteven Whitehouse set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); 145b3b94faaSDavid Teigland gfs2_meta_check(sdp, bd->bd_bh); 146a98ab220SSteven Whitehouse gfs2_pin(sdp, bd->bd_bh); 147b3b94faaSDavid Teigland sdp->sd_log_num_buf++; 148b3b94faaSDavid Teigland list_add(&le->le_list, &sdp->sd_log_le_buf); 149b3b94faaSDavid Teigland tr->tr_num_buf_new++; 1509b9107a5SSteven Whitehouse out: 1519b9107a5SSteven Whitehouse gfs2_log_unlock(sdp); 1529b9107a5SSteven Whitehouse unlock_buffer(bd->bd_bh); 153b3b94faaSDavid Teigland } 154b3b94faaSDavid Teigland 155b3b94faaSDavid Teigland static void buf_lo_before_commit(struct gfs2_sbd *sdp) 156b3b94faaSDavid Teigland { 157b3b94faaSDavid Teigland struct buffer_head *bh; 158b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld; 159b3b94faaSDavid Teigland struct gfs2_bufdata *bd1 = NULL, *bd2; 160905d2aefSBob Peterson unsigned int total; 161b3b94faaSDavid Teigland unsigned int limit; 162b3b94faaSDavid Teigland unsigned int num; 163b3b94faaSDavid Teigland unsigned n; 164b3b94faaSDavid Teigland __be64 *ptr; 165b3b94faaSDavid Teigland 1662332c443SRobert Peterson limit = buf_limit(sdp); 167b3b94faaSDavid Teigland /* for 4k blocks, limit = 503 */ 168b3b94faaSDavid Teigland 169905d2aefSBob Peterson gfs2_log_lock(sdp); 170905d2aefSBob Peterson total = sdp->sd_log_num_buf; 171b3b94faaSDavid Teigland bd1 = bd2 = list_prepare_entry(bd1, &sdp->sd_log_le_buf, bd_le.le_list); 172b3b94faaSDavid Teigland while(total) { 173b3b94faaSDavid Teigland num = total; 174b3b94faaSDavid Teigland if (total > limit) 175b3b94faaSDavid Teigland num = limit; 176905d2aefSBob Peterson gfs2_log_unlock(sdp); 17716615be1SSteven Whitehouse bh = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_METADATA); 178905d2aefSBob Peterson gfs2_log_lock(sdp); 17916615be1SSteven Whitehouse ld = bh_log_desc(bh); 18016615be1SSteven Whitehouse ptr = bh_log_ptr(bh); 181b3b94faaSDavid Teigland ld->ld_length = cpu_to_be32(num + 1); 182b3b94faaSDavid Teigland ld->ld_data1 = cpu_to_be32(num); 183b3b94faaSDavid Teigland 184b3b94faaSDavid Teigland n = 0; 185568f4c96SSteven Whitehouse list_for_each_entry_continue(bd1, &sdp->sd_log_le_buf, 186568f4c96SSteven Whitehouse bd_le.le_list) { 187b3b94faaSDavid Teigland *ptr++ = cpu_to_be64(bd1->bd_bh->b_blocknr); 188b3b94faaSDavid Teigland if (++n >= num) 189b3b94faaSDavid Teigland break; 190b3b94faaSDavid Teigland } 191b3b94faaSDavid Teigland 192905d2aefSBob Peterson gfs2_log_unlock(sdp); 19316615be1SSteven Whitehouse submit_bh(WRITE, bh); 194905d2aefSBob Peterson gfs2_log_lock(sdp); 195b3b94faaSDavid Teigland 196b3b94faaSDavid Teigland n = 0; 197568f4c96SSteven Whitehouse list_for_each_entry_continue(bd2, &sdp->sd_log_le_buf, 198568f4c96SSteven Whitehouse bd_le.le_list) { 19916615be1SSteven Whitehouse get_bh(bd2->bd_bh); 200905d2aefSBob Peterson gfs2_log_unlock(sdp); 20116615be1SSteven Whitehouse lock_buffer(bd2->bd_bh); 202b3b94faaSDavid Teigland bh = gfs2_log_fake_buf(sdp, bd2->bd_bh); 20316615be1SSteven Whitehouse submit_bh(WRITE, bh); 204905d2aefSBob Peterson gfs2_log_lock(sdp); 205b3b94faaSDavid Teigland if (++n >= num) 206b3b94faaSDavid Teigland break; 207b3b94faaSDavid Teigland } 208b3b94faaSDavid Teigland 209905d2aefSBob Peterson BUG_ON(total < num); 210b3b94faaSDavid Teigland total -= num; 211b3b94faaSDavid Teigland } 212905d2aefSBob Peterson gfs2_log_unlock(sdp); 213b3b94faaSDavid Teigland } 214b3b94faaSDavid Teigland 215b3b94faaSDavid Teigland static void buf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) 216b3b94faaSDavid Teigland { 217b3b94faaSDavid Teigland struct list_head *head = &sdp->sd_log_le_buf; 218b3b94faaSDavid Teigland struct gfs2_bufdata *bd; 219b3b94faaSDavid Teigland 220b3b94faaSDavid Teigland while (!list_empty(head)) { 221b3b94faaSDavid Teigland bd = list_entry(head->next, struct gfs2_bufdata, bd_le.le_list); 222b3b94faaSDavid Teigland list_del_init(&bd->bd_le.le_list); 223b3b94faaSDavid Teigland sdp->sd_log_num_buf--; 224b3b94faaSDavid Teigland 225a98ab220SSteven Whitehouse gfs2_unpin(sdp, bd->bd_bh, ai); 226b3b94faaSDavid Teigland } 227b3b94faaSDavid Teigland gfs2_assert_warn(sdp, !sdp->sd_log_num_buf); 228b3b94faaSDavid Teigland } 229b3b94faaSDavid Teigland 230b3b94faaSDavid Teigland static void buf_lo_before_scan(struct gfs2_jdesc *jd, 23155167622SAl Viro struct gfs2_log_header_host *head, int pass) 232b3b94faaSDavid Teigland { 233feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 234b3b94faaSDavid Teigland 235b3b94faaSDavid Teigland if (pass != 0) 236b3b94faaSDavid Teigland return; 237b3b94faaSDavid Teigland 238b3b94faaSDavid Teigland sdp->sd_found_blocks = 0; 239b3b94faaSDavid Teigland sdp->sd_replayed_blocks = 0; 240b3b94faaSDavid Teigland } 241b3b94faaSDavid Teigland 242b3b94faaSDavid Teigland static int buf_lo_scan_elements(struct gfs2_jdesc *jd, unsigned int start, 243b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld, __be64 *ptr, 244b3b94faaSDavid Teigland int pass) 245b3b94faaSDavid Teigland { 246feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 247feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 2485c676f6dSSteven Whitehouse struct gfs2_glock *gl = ip->i_gl; 249b3b94faaSDavid Teigland unsigned int blks = be32_to_cpu(ld->ld_data1); 250b3b94faaSDavid Teigland struct buffer_head *bh_log, *bh_ip; 251cd915493SSteven Whitehouse u64 blkno; 252b3b94faaSDavid Teigland int error = 0; 253b3b94faaSDavid Teigland 254b3b94faaSDavid Teigland if (pass != 1 || be32_to_cpu(ld->ld_type) != GFS2_LOG_DESC_METADATA) 255b3b94faaSDavid Teigland return 0; 256b3b94faaSDavid Teigland 257b3b94faaSDavid Teigland gfs2_replay_incr_blk(sdp, &start); 258b3b94faaSDavid Teigland 259b3b94faaSDavid Teigland for (; blks; gfs2_replay_incr_blk(sdp, &start), blks--) { 260b3b94faaSDavid Teigland blkno = be64_to_cpu(*ptr++); 261b3b94faaSDavid Teigland 262b3b94faaSDavid Teigland sdp->sd_found_blocks++; 263b3b94faaSDavid Teigland 264b3b94faaSDavid Teigland if (gfs2_revoke_check(sdp, blkno, start)) 265b3b94faaSDavid Teigland continue; 266b3b94faaSDavid Teigland 267b3b94faaSDavid Teigland error = gfs2_replay_read_block(jd, start, &bh_log); 268b3b94faaSDavid Teigland if (error) 269b3b94faaSDavid Teigland return error; 270b3b94faaSDavid Teigland 271b3b94faaSDavid Teigland bh_ip = gfs2_meta_new(gl, blkno); 272b3b94faaSDavid Teigland memcpy(bh_ip->b_data, bh_log->b_data, bh_log->b_size); 273b3b94faaSDavid Teigland 274b3b94faaSDavid Teigland if (gfs2_meta_check(sdp, bh_ip)) 275b3b94faaSDavid Teigland error = -EIO; 276b3b94faaSDavid Teigland else 277b3b94faaSDavid Teigland mark_buffer_dirty(bh_ip); 278b3b94faaSDavid Teigland 279b3b94faaSDavid Teigland brelse(bh_log); 280b3b94faaSDavid Teigland brelse(bh_ip); 281b3b94faaSDavid Teigland 282b3b94faaSDavid Teigland if (error) 283b3b94faaSDavid Teigland break; 284b3b94faaSDavid Teigland 285b3b94faaSDavid Teigland sdp->sd_replayed_blocks++; 286b3b94faaSDavid Teigland } 287b3b94faaSDavid Teigland 288b3b94faaSDavid Teigland return error; 289b3b94faaSDavid Teigland } 290b3b94faaSDavid Teigland 291b3b94faaSDavid Teigland static void buf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) 292b3b94faaSDavid Teigland { 293feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 294feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 295b3b94faaSDavid Teigland 296b3b94faaSDavid Teigland if (error) { 2977276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 298b3b94faaSDavid Teigland return; 299b3b94faaSDavid Teigland } 300b3b94faaSDavid Teigland if (pass != 1) 301b3b94faaSDavid Teigland return; 302b3b94faaSDavid Teigland 3037276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 304b3b94faaSDavid Teigland 305b3b94faaSDavid Teigland fs_info(sdp, "jid=%u: Replayed %u of %u blocks\n", 306b3b94faaSDavid Teigland jd->jd_jid, sdp->sd_replayed_blocks, sdp->sd_found_blocks); 307b3b94faaSDavid Teigland } 308b3b94faaSDavid Teigland 309b3b94faaSDavid Teigland static void revoke_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) 310b3b94faaSDavid Teigland { 311b3b94faaSDavid Teigland struct gfs2_trans *tr; 312b3b94faaSDavid Teigland 3135c676f6dSSteven Whitehouse tr = current->journal_info; 314b3b94faaSDavid Teigland tr->tr_touched = 1; 315b3b94faaSDavid Teigland tr->tr_num_revoke++; 316b3b94faaSDavid Teigland sdp->sd_log_num_revoke++; 317b3b94faaSDavid Teigland list_add(&le->le_list, &sdp->sd_log_le_revoke); 318b3b94faaSDavid Teigland } 319b3b94faaSDavid Teigland 320b3b94faaSDavid Teigland static void revoke_lo_before_commit(struct gfs2_sbd *sdp) 321b3b94faaSDavid Teigland { 322b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld; 323b3b94faaSDavid Teigland struct gfs2_meta_header *mh; 324b3b94faaSDavid Teigland struct buffer_head *bh; 325b3b94faaSDavid Teigland unsigned int offset; 326b3b94faaSDavid Teigland struct list_head *head = &sdp->sd_log_le_revoke; 32782e86087SSteven Whitehouse struct gfs2_bufdata *bd; 328b3b94faaSDavid Teigland 329b3b94faaSDavid Teigland if (!sdp->sd_log_num_revoke) 330b3b94faaSDavid Teigland return; 331b3b94faaSDavid Teigland 33216615be1SSteven Whitehouse bh = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE); 33316615be1SSteven Whitehouse ld = bh_log_desc(bh); 334568f4c96SSteven Whitehouse ld->ld_length = cpu_to_be32(gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, 335cd915493SSteven Whitehouse sizeof(u64))); 336b3b94faaSDavid Teigland ld->ld_data1 = cpu_to_be32(sdp->sd_log_num_revoke); 337b3b94faaSDavid Teigland offset = sizeof(struct gfs2_log_descriptor); 338b3b94faaSDavid Teigland 339b3b94faaSDavid Teigland while (!list_empty(head)) { 34082e86087SSteven Whitehouse bd = list_entry(head->next, struct gfs2_bufdata, bd_le.le_list); 34182e86087SSteven Whitehouse list_del_init(&bd->bd_le.le_list); 342b3b94faaSDavid Teigland sdp->sd_log_num_revoke--; 343b3b94faaSDavid Teigland 344cd915493SSteven Whitehouse if (offset + sizeof(u64) > sdp->sd_sb.sb_bsize) { 34516615be1SSteven Whitehouse submit_bh(WRITE, bh); 346b3b94faaSDavid Teigland 347b3b94faaSDavid Teigland bh = gfs2_log_get_buf(sdp); 348b3b94faaSDavid Teigland mh = (struct gfs2_meta_header *)bh->b_data; 349b3b94faaSDavid Teigland mh->mh_magic = cpu_to_be32(GFS2_MAGIC); 350e3167dedSSteven Whitehouse mh->mh_type = cpu_to_be32(GFS2_METATYPE_LB); 351e3167dedSSteven Whitehouse mh->mh_format = cpu_to_be32(GFS2_FORMAT_LB); 352b3b94faaSDavid Teigland offset = sizeof(struct gfs2_meta_header); 353b3b94faaSDavid Teigland } 354b3b94faaSDavid Teigland 35582e86087SSteven Whitehouse *(__be64 *)(bh->b_data + offset) = cpu_to_be64(bd->bd_blkno); 3560820ab51SSteven Whitehouse kmem_cache_free(gfs2_bufdata_cachep, bd); 357b3b94faaSDavid Teigland 358cd915493SSteven Whitehouse offset += sizeof(u64); 359b3b94faaSDavid Teigland } 360b3b94faaSDavid Teigland gfs2_assert_withdraw(sdp, !sdp->sd_log_num_revoke); 361b3b94faaSDavid Teigland 36216615be1SSteven Whitehouse submit_bh(WRITE, bh); 363b3b94faaSDavid Teigland } 364b3b94faaSDavid Teigland 365b3b94faaSDavid Teigland static void revoke_lo_before_scan(struct gfs2_jdesc *jd, 36655167622SAl Viro struct gfs2_log_header_host *head, int pass) 367b3b94faaSDavid Teigland { 368feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 369b3b94faaSDavid Teigland 370b3b94faaSDavid Teigland if (pass != 0) 371b3b94faaSDavid Teigland return; 372b3b94faaSDavid Teigland 373b3b94faaSDavid Teigland sdp->sd_found_revokes = 0; 374b3b94faaSDavid Teigland sdp->sd_replay_tail = head->lh_tail; 375b3b94faaSDavid Teigland } 376b3b94faaSDavid Teigland 377b3b94faaSDavid Teigland static int revoke_lo_scan_elements(struct gfs2_jdesc *jd, unsigned int start, 378b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld, __be64 *ptr, 379b3b94faaSDavid Teigland int pass) 380b3b94faaSDavid Teigland { 381feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 382b3b94faaSDavid Teigland unsigned int blks = be32_to_cpu(ld->ld_length); 383b3b94faaSDavid Teigland unsigned int revokes = be32_to_cpu(ld->ld_data1); 384b3b94faaSDavid Teigland struct buffer_head *bh; 385b3b94faaSDavid Teigland unsigned int offset; 386cd915493SSteven Whitehouse u64 blkno; 387b3b94faaSDavid Teigland int first = 1; 388b3b94faaSDavid Teigland int error; 389b3b94faaSDavid Teigland 390b3b94faaSDavid Teigland if (pass != 0 || be32_to_cpu(ld->ld_type) != GFS2_LOG_DESC_REVOKE) 391b3b94faaSDavid Teigland return 0; 392b3b94faaSDavid Teigland 393b3b94faaSDavid Teigland offset = sizeof(struct gfs2_log_descriptor); 394b3b94faaSDavid Teigland 395b3b94faaSDavid Teigland for (; blks; gfs2_replay_incr_blk(sdp, &start), blks--) { 396b3b94faaSDavid Teigland error = gfs2_replay_read_block(jd, start, &bh); 397b3b94faaSDavid Teigland if (error) 398b3b94faaSDavid Teigland return error; 399b3b94faaSDavid Teigland 400b3b94faaSDavid Teigland if (!first) 401b3b94faaSDavid Teigland gfs2_metatype_check(sdp, bh, GFS2_METATYPE_LB); 402b3b94faaSDavid Teigland 403cd915493SSteven Whitehouse while (offset + sizeof(u64) <= sdp->sd_sb.sb_bsize) { 404b3b94faaSDavid Teigland blkno = be64_to_cpu(*(__be64 *)(bh->b_data + offset)); 405b3b94faaSDavid Teigland 406b3b94faaSDavid Teigland error = gfs2_revoke_add(sdp, blkno, start); 4073ad62e87SBob Peterson if (error < 0) { 4083ad62e87SBob Peterson brelse(bh); 409b3b94faaSDavid Teigland return error; 4103ad62e87SBob Peterson } 411b3b94faaSDavid Teigland else if (error) 412b3b94faaSDavid Teigland sdp->sd_found_revokes++; 413b3b94faaSDavid Teigland 414b3b94faaSDavid Teigland if (!--revokes) 415b3b94faaSDavid Teigland break; 416cd915493SSteven Whitehouse offset += sizeof(u64); 417b3b94faaSDavid Teigland } 418b3b94faaSDavid Teigland 419b3b94faaSDavid Teigland brelse(bh); 420b3b94faaSDavid Teigland offset = sizeof(struct gfs2_meta_header); 421b3b94faaSDavid Teigland first = 0; 422b3b94faaSDavid Teigland } 423b3b94faaSDavid Teigland 424b3b94faaSDavid Teigland return 0; 425b3b94faaSDavid Teigland } 426b3b94faaSDavid Teigland 427b3b94faaSDavid Teigland static void revoke_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) 428b3b94faaSDavid Teigland { 429feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 430b3b94faaSDavid Teigland 431b3b94faaSDavid Teigland if (error) { 432b3b94faaSDavid Teigland gfs2_revoke_clean(sdp); 433b3b94faaSDavid Teigland return; 434b3b94faaSDavid Teigland } 435b3b94faaSDavid Teigland if (pass != 1) 436b3b94faaSDavid Teigland return; 437b3b94faaSDavid Teigland 438b3b94faaSDavid Teigland fs_info(sdp, "jid=%u: Found %u revoke tags\n", 439b3b94faaSDavid Teigland jd->jd_jid, sdp->sd_found_revokes); 440b3b94faaSDavid Teigland 441b3b94faaSDavid Teigland gfs2_revoke_clean(sdp); 442b3b94faaSDavid Teigland } 443b3b94faaSDavid Teigland 444b3b94faaSDavid Teigland static void rg_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) 445b3b94faaSDavid Teigland { 446b3b94faaSDavid Teigland struct gfs2_rgrpd *rgd; 4475c676f6dSSteven Whitehouse struct gfs2_trans *tr = current->journal_info; 448b3b94faaSDavid Teigland 4495c676f6dSSteven Whitehouse tr->tr_touched = 1; 450b3b94faaSDavid Teigland 451b3b94faaSDavid Teigland rgd = container_of(le, struct gfs2_rgrpd, rd_le); 452b3b94faaSDavid Teigland 453b3b94faaSDavid Teigland gfs2_log_lock(sdp); 45468835625SBenjamin Marzinski if (!list_empty(&le->le_list)){ 45568835625SBenjamin Marzinski gfs2_log_unlock(sdp); 45668835625SBenjamin Marzinski return; 45768835625SBenjamin Marzinski } 45868835625SBenjamin Marzinski gfs2_rgrp_bh_hold(rgd); 459b3b94faaSDavid Teigland sdp->sd_log_num_rg++; 460b3b94faaSDavid Teigland list_add(&le->le_list, &sdp->sd_log_le_rg); 461b3b94faaSDavid Teigland gfs2_log_unlock(sdp); 462b3b94faaSDavid Teigland } 463b3b94faaSDavid Teigland 464b3b94faaSDavid Teigland static void rg_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) 465b3b94faaSDavid Teigland { 466b3b94faaSDavid Teigland struct list_head *head = &sdp->sd_log_le_rg; 467b3b94faaSDavid Teigland struct gfs2_rgrpd *rgd; 468b3b94faaSDavid Teigland 469b3b94faaSDavid Teigland while (!list_empty(head)) { 470b3b94faaSDavid Teigland rgd = list_entry(head->next, struct gfs2_rgrpd, rd_le.le_list); 471b3b94faaSDavid Teigland list_del_init(&rgd->rd_le.le_list); 472b3b94faaSDavid Teigland sdp->sd_log_num_rg--; 473b3b94faaSDavid Teigland 474b3b94faaSDavid Teigland gfs2_rgrp_repolish_clones(rgd); 475b3b94faaSDavid Teigland gfs2_rgrp_bh_put(rgd); 476b3b94faaSDavid Teigland } 477b3b94faaSDavid Teigland gfs2_assert_warn(sdp, !sdp->sd_log_num_rg); 478b3b94faaSDavid Teigland } 479b3b94faaSDavid Teigland 48018ec7d5cSSteven Whitehouse /** 48118ec7d5cSSteven Whitehouse * databuf_lo_add - Add a databuf to the transaction. 48218ec7d5cSSteven Whitehouse * 48318ec7d5cSSteven Whitehouse * This is used in two distinct cases: 48418ec7d5cSSteven Whitehouse * i) In ordered write mode 48518ec7d5cSSteven Whitehouse * We put the data buffer on a list so that we can ensure that its 48618ec7d5cSSteven Whitehouse * synced to disk at the right time 48718ec7d5cSSteven Whitehouse * ii) In journaled data mode 48818ec7d5cSSteven Whitehouse * We need to journal the data block in the same way as metadata in 48918ec7d5cSSteven Whitehouse * the functions above. The difference is that here we have a tag 49018ec7d5cSSteven Whitehouse * which is two __be64's being the block number (as per meta data) 49118ec7d5cSSteven Whitehouse * and a flag which says whether the data block needs escaping or 49218ec7d5cSSteven Whitehouse * not. This means we need a new log entry for each 251 or so data 49318ec7d5cSSteven Whitehouse * blocks, which isn't an enormous overhead but twice as much as 49418ec7d5cSSteven Whitehouse * for normal metadata blocks. 49518ec7d5cSSteven Whitehouse */ 496b3b94faaSDavid Teigland static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) 497b3b94faaSDavid Teigland { 49818ec7d5cSSteven Whitehouse struct gfs2_bufdata *bd = container_of(le, struct gfs2_bufdata, bd_le); 4995c676f6dSSteven Whitehouse struct gfs2_trans *tr = current->journal_info; 50018ec7d5cSSteven Whitehouse struct address_space *mapping = bd->bd_bh->b_page->mapping; 501feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(mapping->host); 502b3b94faaSDavid Teigland 5039b9107a5SSteven Whitehouse lock_buffer(bd->bd_bh); 5048bd95727SSteven Whitehouse gfs2_log_lock(sdp); 5059ff8ec32SSteven Whitehouse if (tr) { 5069b9107a5SSteven Whitehouse if (!list_empty(&bd->bd_list_tr)) 5079b9107a5SSteven Whitehouse goto out; 50818ec7d5cSSteven Whitehouse tr->tr_touched = 1; 509773ed1a0SRobert Peterson if (gfs2_is_jdata(ip)) { 51018ec7d5cSSteven Whitehouse tr->tr_num_buf++; 51118ec7d5cSSteven Whitehouse list_add(&bd->bd_list_tr, &tr->tr_list_buf); 512773ed1a0SRobert Peterson } 5139ff8ec32SSteven Whitehouse } 514ddf4b426SBenjamin Marzinski if (!list_empty(&le->le_list)) 5159b9107a5SSteven Whitehouse goto out; 5162332c443SRobert Peterson 5172bcd610dSSteven Whitehouse set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); 5182bcd610dSSteven Whitehouse set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); 5192332c443SRobert Peterson if (gfs2_is_jdata(ip)) { 5202332c443SRobert Peterson gfs2_pin(sdp, bd->bd_bh); 5212332c443SRobert Peterson tr->tr_num_databuf_new++; 522bdcb8856SBob Peterson sdp->sd_log_num_databuf++; 5232332c443SRobert Peterson list_add(&le->le_list, &sdp->sd_log_le_databuf); 524d7b616e2SSteven Whitehouse } else { 525d7b616e2SSteven Whitehouse list_add(&le->le_list, &sdp->sd_log_le_ordered); 526d7b616e2SSteven Whitehouse } 5279b9107a5SSteven Whitehouse out: 528b3b94faaSDavid Teigland gfs2_log_unlock(sdp); 5299b9107a5SSteven Whitehouse unlock_buffer(bd->bd_bh); 530b3b94faaSDavid Teigland } 531b3b94faaSDavid Teigland 53216615be1SSteven Whitehouse static void gfs2_check_magic(struct buffer_head *bh) 53318ec7d5cSSteven Whitehouse { 53418ec7d5cSSteven Whitehouse void *kaddr; 53518ec7d5cSSteven Whitehouse __be32 *ptr; 53618ec7d5cSSteven Whitehouse 53716615be1SSteven Whitehouse clear_buffer_escaped(bh); 53816615be1SSteven Whitehouse kaddr = kmap_atomic(bh->b_page, KM_USER0); 53918ec7d5cSSteven Whitehouse ptr = kaddr + bh_offset(bh); 54018ec7d5cSSteven Whitehouse if (*ptr == cpu_to_be32(GFS2_MAGIC)) 54116615be1SSteven Whitehouse set_buffer_escaped(bh); 542c312c4fdSRussell Cattelan kunmap_atomic(kaddr, KM_USER0); 54316615be1SSteven Whitehouse } 54418ec7d5cSSteven Whitehouse 54516615be1SSteven Whitehouse static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh, 54616615be1SSteven Whitehouse struct list_head *list, struct list_head *done, 54716615be1SSteven Whitehouse unsigned int n) 54816615be1SSteven Whitehouse { 54916615be1SSteven Whitehouse struct buffer_head *bh1; 55016615be1SSteven Whitehouse struct gfs2_log_descriptor *ld; 55116615be1SSteven Whitehouse struct gfs2_bufdata *bd; 55216615be1SSteven Whitehouse __be64 *ptr; 55316615be1SSteven Whitehouse 55416615be1SSteven Whitehouse if (!bh) 55516615be1SSteven Whitehouse return; 55616615be1SSteven Whitehouse 55716615be1SSteven Whitehouse ld = bh_log_desc(bh); 55816615be1SSteven Whitehouse ld->ld_length = cpu_to_be32(n + 1); 55916615be1SSteven Whitehouse ld->ld_data1 = cpu_to_be32(n); 56016615be1SSteven Whitehouse 56116615be1SSteven Whitehouse ptr = bh_log_ptr(bh); 56216615be1SSteven Whitehouse 56316615be1SSteven Whitehouse get_bh(bh); 56416615be1SSteven Whitehouse submit_bh(WRITE, bh); 56516615be1SSteven Whitehouse gfs2_log_lock(sdp); 56616615be1SSteven Whitehouse while(!list_empty(list)) { 56716615be1SSteven Whitehouse bd = list_entry(list->next, struct gfs2_bufdata, bd_le.le_list); 56816615be1SSteven Whitehouse list_move_tail(&bd->bd_le.le_list, done); 56916615be1SSteven Whitehouse get_bh(bd->bd_bh); 57016615be1SSteven Whitehouse while (be64_to_cpu(*ptr) != bd->bd_bh->b_blocknr) { 57116615be1SSteven Whitehouse gfs2_log_incr_head(sdp); 57216615be1SSteven Whitehouse ptr += 2; 57316615be1SSteven Whitehouse } 57416615be1SSteven Whitehouse gfs2_log_unlock(sdp); 57516615be1SSteven Whitehouse lock_buffer(bd->bd_bh); 57616615be1SSteven Whitehouse if (buffer_escaped(bd->bd_bh)) { 57716615be1SSteven Whitehouse void *kaddr; 57816615be1SSteven Whitehouse bh1 = gfs2_log_get_buf(sdp); 57916615be1SSteven Whitehouse kaddr = kmap_atomic(bd->bd_bh->b_page, KM_USER0); 58016615be1SSteven Whitehouse memcpy(bh1->b_data, kaddr + bh_offset(bd->bd_bh), 58116615be1SSteven Whitehouse bh1->b_size); 58216615be1SSteven Whitehouse kunmap_atomic(kaddr, KM_USER0); 58316615be1SSteven Whitehouse *(__be32 *)bh1->b_data = 0; 58416615be1SSteven Whitehouse clear_buffer_escaped(bd->bd_bh); 58516615be1SSteven Whitehouse unlock_buffer(bd->bd_bh); 58616615be1SSteven Whitehouse brelse(bd->bd_bh); 58716615be1SSteven Whitehouse } else { 58816615be1SSteven Whitehouse bh1 = gfs2_log_fake_buf(sdp, bd->bd_bh); 58916615be1SSteven Whitehouse } 59016615be1SSteven Whitehouse submit_bh(WRITE, bh1); 59116615be1SSteven Whitehouse gfs2_log_lock(sdp); 59216615be1SSteven Whitehouse ptr += 2; 59316615be1SSteven Whitehouse } 59416615be1SSteven Whitehouse gfs2_log_unlock(sdp); 59516615be1SSteven Whitehouse brelse(bh); 59618ec7d5cSSteven Whitehouse } 59718ec7d5cSSteven Whitehouse 59818ec7d5cSSteven Whitehouse /** 59918ec7d5cSSteven Whitehouse * databuf_lo_before_commit - Scan the data buffers, writing as we go 60018ec7d5cSSteven Whitehouse * 60118ec7d5cSSteven Whitehouse */ 602d7b616e2SSteven Whitehouse 603b3b94faaSDavid Teigland static void databuf_lo_before_commit(struct gfs2_sbd *sdp) 604b3b94faaSDavid Teigland { 60516615be1SSteven Whitehouse struct gfs2_bufdata *bd = NULL; 60616615be1SSteven Whitehouse struct buffer_head *bh = NULL; 60716615be1SSteven Whitehouse unsigned int n = 0; 60816615be1SSteven Whitehouse __be64 *ptr = NULL, *end = NULL; 60916615be1SSteven Whitehouse LIST_HEAD(processed); 61016615be1SSteven Whitehouse LIST_HEAD(in_progress); 611b3b94faaSDavid Teigland 612f55ab26aSSteven Whitehouse gfs2_log_lock(sdp); 61316615be1SSteven Whitehouse while (!list_empty(&sdp->sd_log_le_databuf)) { 61416615be1SSteven Whitehouse if (ptr == end) { 615f55ab26aSSteven Whitehouse gfs2_log_unlock(sdp); 61616615be1SSteven Whitehouse gfs2_write_blocks(sdp, bh, &in_progress, &processed, n); 617d7b616e2SSteven Whitehouse n = 0; 61816615be1SSteven Whitehouse bh = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_JDATA); 61916615be1SSteven Whitehouse ptr = bh_log_ptr(bh); 62016615be1SSteven Whitehouse end = bh_ptr_end(bh) - 1; 621f55ab26aSSteven Whitehouse gfs2_log_lock(sdp); 62218ec7d5cSSteven Whitehouse continue; 62316615be1SSteven Whitehouse } 62416615be1SSteven Whitehouse bd = list_entry(sdp->sd_log_le_databuf.next, struct gfs2_bufdata, bd_le.le_list); 62516615be1SSteven Whitehouse list_move_tail(&bd->bd_le.le_list, &in_progress); 62616615be1SSteven Whitehouse gfs2_check_magic(bd->bd_bh); 62716615be1SSteven Whitehouse *ptr++ = cpu_to_be64(bd->bd_bh->b_blocknr); 62816615be1SSteven Whitehouse *ptr++ = cpu_to_be64(buffer_escaped(bh) ? 1 : 0); 62916615be1SSteven Whitehouse n++; 63016615be1SSteven Whitehouse } 631f55ab26aSSteven Whitehouse gfs2_log_unlock(sdp); 63216615be1SSteven Whitehouse gfs2_write_blocks(sdp, bh, &in_progress, &processed, n); 633f55ab26aSSteven Whitehouse gfs2_log_lock(sdp); 63416615be1SSteven Whitehouse list_splice(&processed, &sdp->sd_log_le_databuf); 635f55ab26aSSteven Whitehouse gfs2_log_unlock(sdp); 636b3b94faaSDavid Teigland } 637b3b94faaSDavid Teigland 63818ec7d5cSSteven Whitehouse static int databuf_lo_scan_elements(struct gfs2_jdesc *jd, unsigned int start, 63918ec7d5cSSteven Whitehouse struct gfs2_log_descriptor *ld, 64018ec7d5cSSteven Whitehouse __be64 *ptr, int pass) 64118ec7d5cSSteven Whitehouse { 642feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 643feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 6445c676f6dSSteven Whitehouse struct gfs2_glock *gl = ip->i_gl; 64518ec7d5cSSteven Whitehouse unsigned int blks = be32_to_cpu(ld->ld_data1); 64618ec7d5cSSteven Whitehouse struct buffer_head *bh_log, *bh_ip; 647cd915493SSteven Whitehouse u64 blkno; 648cd915493SSteven Whitehouse u64 esc; 64918ec7d5cSSteven Whitehouse int error = 0; 65018ec7d5cSSteven Whitehouse 65118ec7d5cSSteven Whitehouse if (pass != 1 || be32_to_cpu(ld->ld_type) != GFS2_LOG_DESC_JDATA) 65218ec7d5cSSteven Whitehouse return 0; 65318ec7d5cSSteven Whitehouse 65418ec7d5cSSteven Whitehouse gfs2_replay_incr_blk(sdp, &start); 65518ec7d5cSSteven Whitehouse for (; blks; gfs2_replay_incr_blk(sdp, &start), blks--) { 65618ec7d5cSSteven Whitehouse blkno = be64_to_cpu(*ptr++); 65718ec7d5cSSteven Whitehouse esc = be64_to_cpu(*ptr++); 65818ec7d5cSSteven Whitehouse 65918ec7d5cSSteven Whitehouse sdp->sd_found_blocks++; 66018ec7d5cSSteven Whitehouse 66118ec7d5cSSteven Whitehouse if (gfs2_revoke_check(sdp, blkno, start)) 66218ec7d5cSSteven Whitehouse continue; 66318ec7d5cSSteven Whitehouse 66418ec7d5cSSteven Whitehouse error = gfs2_replay_read_block(jd, start, &bh_log); 66518ec7d5cSSteven Whitehouse if (error) 66618ec7d5cSSteven Whitehouse return error; 66718ec7d5cSSteven Whitehouse 66818ec7d5cSSteven Whitehouse bh_ip = gfs2_meta_new(gl, blkno); 66918ec7d5cSSteven Whitehouse memcpy(bh_ip->b_data, bh_log->b_data, bh_log->b_size); 67018ec7d5cSSteven Whitehouse 67118ec7d5cSSteven Whitehouse /* Unescape */ 67218ec7d5cSSteven Whitehouse if (esc) { 67318ec7d5cSSteven Whitehouse __be32 *eptr = (__be32 *)bh_ip->b_data; 67418ec7d5cSSteven Whitehouse *eptr = cpu_to_be32(GFS2_MAGIC); 67518ec7d5cSSteven Whitehouse } 67618ec7d5cSSteven Whitehouse mark_buffer_dirty(bh_ip); 67718ec7d5cSSteven Whitehouse 67818ec7d5cSSteven Whitehouse brelse(bh_log); 67918ec7d5cSSteven Whitehouse brelse(bh_ip); 68018ec7d5cSSteven Whitehouse if (error) 68118ec7d5cSSteven Whitehouse break; 68218ec7d5cSSteven Whitehouse 68318ec7d5cSSteven Whitehouse sdp->sd_replayed_blocks++; 68418ec7d5cSSteven Whitehouse } 68518ec7d5cSSteven Whitehouse 68618ec7d5cSSteven Whitehouse return error; 68718ec7d5cSSteven Whitehouse } 68818ec7d5cSSteven Whitehouse 68918ec7d5cSSteven Whitehouse /* FIXME: sort out accounting for log blocks etc. */ 69018ec7d5cSSteven Whitehouse 69118ec7d5cSSteven Whitehouse static void databuf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) 69218ec7d5cSSteven Whitehouse { 693feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 694feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 69518ec7d5cSSteven Whitehouse 69618ec7d5cSSteven Whitehouse if (error) { 6977276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 69818ec7d5cSSteven Whitehouse return; 69918ec7d5cSSteven Whitehouse } 70018ec7d5cSSteven Whitehouse if (pass != 1) 70118ec7d5cSSteven Whitehouse return; 70218ec7d5cSSteven Whitehouse 70318ec7d5cSSteven Whitehouse /* data sync? */ 7047276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 70518ec7d5cSSteven Whitehouse 70618ec7d5cSSteven Whitehouse fs_info(sdp, "jid=%u: Replayed %u of %u data blocks\n", 70718ec7d5cSSteven Whitehouse jd->jd_jid, sdp->sd_replayed_blocks, sdp->sd_found_blocks); 70818ec7d5cSSteven Whitehouse } 70918ec7d5cSSteven Whitehouse 71018ec7d5cSSteven Whitehouse static void databuf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) 71118ec7d5cSSteven Whitehouse { 71218ec7d5cSSteven Whitehouse struct list_head *head = &sdp->sd_log_le_databuf; 71318ec7d5cSSteven Whitehouse struct gfs2_bufdata *bd; 71418ec7d5cSSteven Whitehouse 71518ec7d5cSSteven Whitehouse while (!list_empty(head)) { 71618ec7d5cSSteven Whitehouse bd = list_entry(head->next, struct gfs2_bufdata, bd_le.le_list); 717b8e1aabfSSteven Whitehouse list_del_init(&bd->bd_le.le_list); 71818ec7d5cSSteven Whitehouse sdp->sd_log_num_databuf--; 71918ec7d5cSSteven Whitehouse gfs2_unpin(sdp, bd->bd_bh, ai); 72018ec7d5cSSteven Whitehouse } 72118ec7d5cSSteven Whitehouse gfs2_assert_warn(sdp, !sdp->sd_log_num_databuf); 72218ec7d5cSSteven Whitehouse } 72318ec7d5cSSteven Whitehouse 72418ec7d5cSSteven Whitehouse 725b09e593dSSteven Whitehouse const struct gfs2_log_operations gfs2_buf_lops = { 726b3b94faaSDavid Teigland .lo_add = buf_lo_add, 727b3b94faaSDavid Teigland .lo_before_commit = buf_lo_before_commit, 728b3b94faaSDavid Teigland .lo_after_commit = buf_lo_after_commit, 729b3b94faaSDavid Teigland .lo_before_scan = buf_lo_before_scan, 730b3b94faaSDavid Teigland .lo_scan_elements = buf_lo_scan_elements, 731b3b94faaSDavid Teigland .lo_after_scan = buf_lo_after_scan, 732ea67eedbSSteven Whitehouse .lo_name = "buf", 733b3b94faaSDavid Teigland }; 734b3b94faaSDavid Teigland 735b09e593dSSteven Whitehouse const struct gfs2_log_operations gfs2_revoke_lops = { 736b3b94faaSDavid Teigland .lo_add = revoke_lo_add, 737b3b94faaSDavid Teigland .lo_before_commit = revoke_lo_before_commit, 738b3b94faaSDavid Teigland .lo_before_scan = revoke_lo_before_scan, 739b3b94faaSDavid Teigland .lo_scan_elements = revoke_lo_scan_elements, 740b3b94faaSDavid Teigland .lo_after_scan = revoke_lo_after_scan, 741ea67eedbSSteven Whitehouse .lo_name = "revoke", 742b3b94faaSDavid Teigland }; 743b3b94faaSDavid Teigland 744b09e593dSSteven Whitehouse const struct gfs2_log_operations gfs2_rg_lops = { 745b3b94faaSDavid Teigland .lo_add = rg_lo_add, 746b3b94faaSDavid Teigland .lo_after_commit = rg_lo_after_commit, 747ea67eedbSSteven Whitehouse .lo_name = "rg", 748b3b94faaSDavid Teigland }; 749b3b94faaSDavid Teigland 750b09e593dSSteven Whitehouse const struct gfs2_log_operations gfs2_databuf_lops = { 751b3b94faaSDavid Teigland .lo_add = databuf_lo_add, 752b3b94faaSDavid Teigland .lo_before_commit = databuf_lo_before_commit, 75318ec7d5cSSteven Whitehouse .lo_after_commit = databuf_lo_after_commit, 75418ec7d5cSSteven Whitehouse .lo_scan_elements = databuf_lo_scan_elements, 75518ec7d5cSSteven Whitehouse .lo_after_scan = databuf_lo_after_scan, 756ea67eedbSSteven Whitehouse .lo_name = "databuf", 757b3b94faaSDavid Teigland }; 758b3b94faaSDavid Teigland 759b09e593dSSteven Whitehouse const struct gfs2_log_operations *gfs2_log_ops[] = { 760b3b94faaSDavid Teigland &gfs2_databuf_lops, 76116615be1SSteven Whitehouse &gfs2_buf_lops, 76216615be1SSteven Whitehouse &gfs2_rg_lops, 76316615be1SSteven Whitehouse &gfs2_revoke_lops, 764ea67eedbSSteven Whitehouse NULL, 765b3b94faaSDavid Teigland }; 766b3b94faaSDavid Teigland 767