17336d0e6SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2b3b94faaSDavid Teigland /* 3b3b94faaSDavid Teigland * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 43a8a9a10SSteven Whitehouse * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 5b3b94faaSDavid Teigland */ 6b3b94faaSDavid Teigland 7b3b94faaSDavid Teigland #include <linux/sched.h> 8b3b94faaSDavid Teigland #include <linux/slab.h> 9b3b94faaSDavid Teigland #include <linux/spinlock.h> 10b3b94faaSDavid Teigland #include <linux/completion.h> 11b3b94faaSDavid Teigland #include <linux/buffer_head.h> 1275ca61c1SSteven Whitehouse #include <linux/mempool.h> 135c676f6dSSteven Whitehouse #include <linux/gfs2_ondisk.h> 14c969f58cSSteven Whitehouse #include <linux/bio.h> 15c969f58cSSteven Whitehouse #include <linux/fs.h> 167f63257dSBenjamin Marzinski #include <linux/list_sort.h> 17f4686c26SAbhi Das #include <linux/blkdev.h> 18b3b94faaSDavid Teigland 19f4686c26SAbhi Das #include "bmap.h" 20c1696fb8SBob Peterson #include "dir.h" 21b3b94faaSDavid Teigland #include "gfs2.h" 225c676f6dSSteven Whitehouse #include "incore.h" 232332c443SRobert Peterson #include "inode.h" 24b3b94faaSDavid Teigland #include "glock.h" 25b3b94faaSDavid Teigland #include "log.h" 26b3b94faaSDavid Teigland #include "lops.h" 27b3b94faaSDavid Teigland #include "meta_io.h" 28b3b94faaSDavid Teigland #include "recovery.h" 29b3b94faaSDavid Teigland #include "rgrp.h" 30b3b94faaSDavid Teigland #include "trans.h" 315c676f6dSSteven Whitehouse #include "util.h" 3263997775SSteven Whitehouse #include "trace_gfs2.h" 33b3b94faaSDavid Teigland 349b9107a5SSteven Whitehouse /** 359b9107a5SSteven Whitehouse * gfs2_pin - Pin a buffer in memory 369b9107a5SSteven Whitehouse * @sdp: The superblock 379b9107a5SSteven Whitehouse * @bh: The buffer to be pinned 389b9107a5SSteven Whitehouse * 399b9107a5SSteven Whitehouse * The log lock must be held when calling this function 409b9107a5SSteven Whitehouse */ 41767f433fSSteven Whitehouse void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh) 429b9107a5SSteven Whitehouse { 439b9107a5SSteven Whitehouse struct gfs2_bufdata *bd; 449b9107a5SSteven Whitehouse 4529687a2aSSteven Whitehouse BUG_ON(!current->journal_info); 469b9107a5SSteven Whitehouse 479b9107a5SSteven Whitehouse clear_buffer_dirty(bh); 489b9107a5SSteven Whitehouse if (test_set_buffer_pinned(bh)) 499b9107a5SSteven Whitehouse gfs2_assert_withdraw(sdp, 0); 509b9107a5SSteven Whitehouse if (!buffer_uptodate(bh)) 519e1a9ecdSAndreas Gruenbacher gfs2_io_error_bh_wd(sdp, bh); 529b9107a5SSteven Whitehouse bd = bh->b_private; 539b9107a5SSteven Whitehouse /* If this buffer is in the AIL and it has already been written 549b9107a5SSteven Whitehouse * to in-place disk block, remove it from the AIL. 559b9107a5SSteven Whitehouse */ 56c618e87aSSteven Whitehouse spin_lock(&sdp->sd_ail_lock); 5716ca9412SBenjamin Marzinski if (bd->bd_tr) 5816ca9412SBenjamin Marzinski list_move(&bd->bd_ail_st_list, &bd->bd_tr->tr_ail2_list); 59c618e87aSSteven Whitehouse spin_unlock(&sdp->sd_ail_lock); 609b9107a5SSteven Whitehouse get_bh(bh); 615e687eacSBenjamin Marzinski atomic_inc(&sdp->sd_log_pinned); 6263997775SSteven Whitehouse trace_gfs2_pin(bd, 1); 639b9107a5SSteven Whitehouse } 649b9107a5SSteven Whitehouse 657c9ca621SBob Peterson static bool buffer_is_rgrp(const struct gfs2_bufdata *bd) 667c9ca621SBob Peterson { 677c9ca621SBob Peterson return bd->bd_gl->gl_name.ln_type == LM_TYPE_RGRP; 687c9ca621SBob Peterson } 697c9ca621SBob Peterson 707c9ca621SBob Peterson static void maybe_release_space(struct gfs2_bufdata *bd) 717c9ca621SBob Peterson { 727c9ca621SBob Peterson struct gfs2_glock *gl = bd->bd_gl; 7315562c43SBob Peterson struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; 746f6597baSAndreas Gruenbacher struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); 757c9ca621SBob Peterson unsigned int index = bd->bd_bh->b_blocknr - gl->gl_name.ln_number; 767c9ca621SBob Peterson struct gfs2_bitmap *bi = rgd->rd_bits + index; 777c9ca621SBob Peterson 785a7c6690SFabian Frederick if (bi->bi_clone == NULL) 797c9ca621SBob Peterson return; 807c9ca621SBob Peterson if (sdp->sd_args.ar_discard) 8166fc061bSSteven Whitehouse gfs2_rgrp_send_discards(sdp, rgd->rd_data0, bd->bd_bh, bi, 1, NULL); 827c9ca621SBob Peterson memcpy(bi->bi_clone + bi->bi_offset, 83281b4952SAndreas Gruenbacher bd->bd_bh->b_data + bi->bi_offset, bi->bi_bytes); 847c9ca621SBob Peterson clear_bit(GBF_FULL, &bi->bi_flags); 857c9ca621SBob Peterson rgd->rd_free_clone = rgd->rd_free; 865ea5050cSBob Peterson rgd->rd_extfail_pt = rgd->rd_free; 877c9ca621SBob Peterson } 887c9ca621SBob Peterson 899b9107a5SSteven Whitehouse /** 909b9107a5SSteven Whitehouse * gfs2_unpin - Unpin a buffer 919b9107a5SSteven Whitehouse * @sdp: the filesystem the buffer belongs to 929b9107a5SSteven Whitehouse * @bh: The buffer to unpin 939b9107a5SSteven Whitehouse * @ai: 9429687a2aSSteven Whitehouse * @flags: The inode dirty flags 959b9107a5SSteven Whitehouse * 969b9107a5SSteven Whitehouse */ 979b9107a5SSteven Whitehouse 989b9107a5SSteven Whitehouse static void gfs2_unpin(struct gfs2_sbd *sdp, struct buffer_head *bh, 9916ca9412SBenjamin Marzinski struct gfs2_trans *tr) 1009b9107a5SSteven Whitehouse { 1019b9107a5SSteven Whitehouse struct gfs2_bufdata *bd = bh->b_private; 1029b9107a5SSteven Whitehouse 10329687a2aSSteven Whitehouse BUG_ON(!buffer_uptodate(bh)); 10429687a2aSSteven Whitehouse BUG_ON(!buffer_pinned(bh)); 1059b9107a5SSteven Whitehouse 1069b9107a5SSteven Whitehouse lock_buffer(bh); 1079b9107a5SSteven Whitehouse mark_buffer_dirty(bh); 1089b9107a5SSteven Whitehouse clear_buffer_pinned(bh); 1099b9107a5SSteven Whitehouse 1107c9ca621SBob Peterson if (buffer_is_rgrp(bd)) 1117c9ca621SBob Peterson maybe_release_space(bd); 1127c9ca621SBob Peterson 113d6a079e8SDave Chinner spin_lock(&sdp->sd_ail_lock); 11416ca9412SBenjamin Marzinski if (bd->bd_tr) { 1159b9107a5SSteven Whitehouse list_del(&bd->bd_ail_st_list); 1169b9107a5SSteven Whitehouse brelse(bh); 1179b9107a5SSteven Whitehouse } else { 1189b9107a5SSteven Whitehouse struct gfs2_glock *gl = bd->bd_gl; 1199b9107a5SSteven Whitehouse list_add(&bd->bd_ail_gl_list, &gl->gl_ail_list); 1209b9107a5SSteven Whitehouse atomic_inc(&gl->gl_ail_count); 1219b9107a5SSteven Whitehouse } 12216ca9412SBenjamin Marzinski bd->bd_tr = tr; 12316ca9412SBenjamin Marzinski list_add(&bd->bd_ail_st_list, &tr->tr_ail1_list); 124d6a079e8SDave Chinner spin_unlock(&sdp->sd_ail_lock); 125d6a079e8SDave Chinner 12629687a2aSSteven Whitehouse clear_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); 12763997775SSteven Whitehouse trace_gfs2_pin(bd, 0); 1289b9107a5SSteven Whitehouse unlock_buffer(bh); 1295e687eacSBenjamin Marzinski atomic_dec(&sdp->sd_log_pinned); 1309b9107a5SSteven Whitehouse } 1319b9107a5SSteven Whitehouse 13219ebc050SAndreas Gruenbacher void gfs2_log_incr_head(struct gfs2_sbd *sdp) 13316615be1SSteven Whitehouse { 134e8c92ed7SSteven Whitehouse BUG_ON((sdp->sd_log_flush_head == sdp->sd_log_tail) && 135e8c92ed7SSteven Whitehouse (sdp->sd_log_flush_head != sdp->sd_log_head)); 136e8c92ed7SSteven Whitehouse 137722f6f62SBob Peterson if (++sdp->sd_log_flush_head == sdp->sd_jdesc->jd_blocks) 138e8c92ed7SSteven Whitehouse sdp->sd_log_flush_head = 0; 13916615be1SSteven Whitehouse } 14016615be1SSteven Whitehouse 14119ebc050SAndreas Gruenbacher u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lblock) 14216615be1SSteven Whitehouse { 143e8c92ed7SSteven Whitehouse struct gfs2_journal_extent *je; 14416615be1SSteven Whitehouse 14519ebc050SAndreas Gruenbacher list_for_each_entry(je, &jd->extent_list, list) { 14619ebc050SAndreas Gruenbacher if (lblock >= je->lblock && lblock < je->lblock + je->blocks) 14719ebc050SAndreas Gruenbacher return je->dblock + lblock - je->lblock; 148e8c92ed7SSteven Whitehouse } 14947ac5537SSteven Whitehouse 150e8c92ed7SSteven Whitehouse return -1; 15147ac5537SSteven Whitehouse } 15247ac5537SSteven Whitehouse 15347ac5537SSteven Whitehouse /** 154e8c92ed7SSteven Whitehouse * gfs2_end_log_write_bh - end log write of pagecache data with buffers 155e8c92ed7SSteven Whitehouse * @sdp: The superblock 156e8c92ed7SSteven Whitehouse * @bvec: The bio_vec 157e8c92ed7SSteven Whitehouse * @error: The i/o status 158e8c92ed7SSteven Whitehouse * 1594519eaadSBob Peterson * This finds the relevant buffers and unlocks them and sets the 160e8c92ed7SSteven Whitehouse * error flag according to the status of the i/o request. This is 161e8c92ed7SSteven Whitehouse * used when the log is writing data which has an in-place version 162e8c92ed7SSteven Whitehouse * that is pinned in the pagecache. 163e8c92ed7SSteven Whitehouse */ 164e8c92ed7SSteven Whitehouse 1656dc4f100SMing Lei static void gfs2_end_log_write_bh(struct gfs2_sbd *sdp, 1666dc4f100SMing Lei struct bio_vec *bvec, 1674e4cbee9SChristoph Hellwig blk_status_t error) 168e8c92ed7SSteven Whitehouse { 169e8c92ed7SSteven Whitehouse struct buffer_head *bh, *next; 170e8c92ed7SSteven Whitehouse struct page *page = bvec->bv_page; 171e8c92ed7SSteven Whitehouse unsigned size; 172e8c92ed7SSteven Whitehouse 173e8c92ed7SSteven Whitehouse bh = page_buffers(page); 174e8c92ed7SSteven Whitehouse size = bvec->bv_len; 175e8c92ed7SSteven Whitehouse while (bh_offset(bh) < bvec->bv_offset) 176e8c92ed7SSteven Whitehouse bh = bh->b_this_page; 177e8c92ed7SSteven Whitehouse do { 178e8c92ed7SSteven Whitehouse if (error) 17987354e5dSJeff Layton mark_buffer_write_io_error(bh); 180e8c92ed7SSteven Whitehouse unlock_buffer(bh); 181e8c92ed7SSteven Whitehouse next = bh->b_this_page; 182e8c92ed7SSteven Whitehouse size -= bh->b_size; 183e8c92ed7SSteven Whitehouse brelse(bh); 184e8c92ed7SSteven Whitehouse bh = next; 185e8c92ed7SSteven Whitehouse } while(bh && size); 186e8c92ed7SSteven Whitehouse } 187e8c92ed7SSteven Whitehouse 188e8c92ed7SSteven Whitehouse /** 189e8c92ed7SSteven Whitehouse * gfs2_end_log_write - end of i/o to the log 190e8c92ed7SSteven Whitehouse * @bio: The bio 191e8c92ed7SSteven Whitehouse * 192e8c92ed7SSteven Whitehouse * Each bio_vec contains either data from the pagecache or data 193e8c92ed7SSteven Whitehouse * relating to the log itself. Here we iterate over the bio_vec 194e8c92ed7SSteven Whitehouse * array, processing both kinds of data. 19547ac5537SSteven Whitehouse * 19647ac5537SSteven Whitehouse */ 19747ac5537SSteven Whitehouse 1984246a0b6SChristoph Hellwig static void gfs2_end_log_write(struct bio *bio) 19947ac5537SSteven Whitehouse { 200e8c92ed7SSteven Whitehouse struct gfs2_sbd *sdp = bio->bi_private; 201e8c92ed7SSteven Whitehouse struct bio_vec *bvec; 202e8c92ed7SSteven Whitehouse struct page *page; 2036dc4f100SMing Lei struct bvec_iter_all iter_all; 20447ac5537SSteven Whitehouse 205942b0cddSBob Peterson if (bio->bi_status) { 206f34a6135SBob Peterson if (!cmpxchg(&sdp->sd_log_error, 0, (int)bio->bi_status)) 207942b0cddSBob Peterson fs_err(sdp, "Error %d writing to journal, jid=%u\n", 208942b0cddSBob Peterson bio->bi_status, sdp->sd_jdesc->jd_jid); 209f05b86dbSBob Peterson gfs2_withdraw_delayed(sdp); 210f05b86dbSBob Peterson /* prevent more writes to the journal */ 211f05b86dbSBob Peterson clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags); 212942b0cddSBob Peterson wake_up(&sdp->sd_logd_waitq); 213942b0cddSBob Peterson } 214e8c92ed7SSteven Whitehouse 2152b070cfeSChristoph Hellwig bio_for_each_segment_all(bvec, bio, iter_all) { 216e8c92ed7SSteven Whitehouse page = bvec->bv_page; 217e8c92ed7SSteven Whitehouse if (page_has_buffers(page)) 2184e4cbee9SChristoph Hellwig gfs2_end_log_write_bh(sdp, bvec, bio->bi_status); 219e8c92ed7SSteven Whitehouse else 220e8c92ed7SSteven Whitehouse mempool_free(page, gfs2_page_pool); 221e8c92ed7SSteven Whitehouse } 222e8c92ed7SSteven Whitehouse 223e8c92ed7SSteven Whitehouse bio_put(bio); 22447ac5537SSteven Whitehouse if (atomic_dec_and_test(&sdp->sd_log_in_flight)) 22547ac5537SSteven Whitehouse wake_up(&sdp->sd_log_flush_wait); 22647ac5537SSteven Whitehouse } 22747ac5537SSteven Whitehouse 22847ac5537SSteven Whitehouse /** 2295b846095SAbhi Das * gfs2_log_submit_bio - Submit any pending log bio 2305b846095SAbhi Das * @biop: Address of the bio pointer 231f4686c26SAbhi Das * @opf: REQ_OP | op_flags 232e8c92ed7SSteven Whitehouse * 233e8c92ed7SSteven Whitehouse * Submit any pending part-built or full bio to the block device. If 234e8c92ed7SSteven Whitehouse * there is no pending bio, then this is a no-op. 235e8c92ed7SSteven Whitehouse */ 236e8c92ed7SSteven Whitehouse 237f4686c26SAbhi Das void gfs2_log_submit_bio(struct bio **biop, int opf) 238e8c92ed7SSteven Whitehouse { 2395b846095SAbhi Das struct bio *bio = *biop; 2405b846095SAbhi Das if (bio) { 2415b846095SAbhi Das struct gfs2_sbd *sdp = bio->bi_private; 242e8c92ed7SSteven Whitehouse atomic_inc(&sdp->sd_log_in_flight); 243f4686c26SAbhi Das bio->bi_opf = opf; 2445b846095SAbhi Das submit_bio(bio); 2455b846095SAbhi Das *biop = NULL; 246e8c92ed7SSteven Whitehouse } 247e8c92ed7SSteven Whitehouse } 248e8c92ed7SSteven Whitehouse 249e8c92ed7SSteven Whitehouse /** 2505b846095SAbhi Das * gfs2_log_alloc_bio - Allocate a bio 251e8c92ed7SSteven Whitehouse * @sdp: The super block 2525b846095SAbhi Das * @blkno: The device block number we want to write to 2535b846095SAbhi Das * @end_io: The bi_end_io callback 254e8c92ed7SSteven Whitehouse * 2555b846095SAbhi Das * Allocate a new bio, initialize it with the given parameters and return it. 256e8c92ed7SSteven Whitehouse * 2575b846095SAbhi Das * Returns: The newly allocated bio 258e8c92ed7SSteven Whitehouse */ 259e8c92ed7SSteven Whitehouse 2605b846095SAbhi Das static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno, 2615b846095SAbhi Das bio_end_io_t *end_io) 262e8c92ed7SSteven Whitehouse { 263e8c92ed7SSteven Whitehouse struct super_block *sb = sdp->sd_vfs; 2645b846095SAbhi Das struct bio *bio = bio_alloc(GFP_NOIO, BIO_MAX_PAGES); 265e8c92ed7SSteven Whitehouse 266aa83da7fSAndreas Gruenbacher bio->bi_iter.bi_sector = blkno << sdp->sd_fsb2bb_shift; 26774d46992SChristoph Hellwig bio_set_dev(bio, sb->s_bdev); 2685b846095SAbhi Das bio->bi_end_io = end_io; 269e8c92ed7SSteven Whitehouse bio->bi_private = sdp; 270e8c92ed7SSteven Whitehouse 271e8c92ed7SSteven Whitehouse return bio; 272e8c92ed7SSteven Whitehouse } 273e8c92ed7SSteven Whitehouse 274e8c92ed7SSteven Whitehouse /** 275e8c92ed7SSteven Whitehouse * gfs2_log_get_bio - Get cached log bio, or allocate a new one 276e8c92ed7SSteven Whitehouse * @sdp: The super block 277e8c92ed7SSteven Whitehouse * @blkno: The device block number we want to write to 2785b846095SAbhi Das * @bio: The bio to get or allocate 2795b846095SAbhi Das * @op: REQ_OP 2805b846095SAbhi Das * @end_io: The bi_end_io callback 2815b846095SAbhi Das * @flush: Always flush the current bio and allocate a new one? 282e8c92ed7SSteven Whitehouse * 283e8c92ed7SSteven Whitehouse * If there is a cached bio, then if the next block number is sequential 284e8c92ed7SSteven Whitehouse * with the previous one, return it, otherwise flush the bio to the 2855b846095SAbhi Das * device. If there is no cached bio, or we just flushed it, then 286e8c92ed7SSteven Whitehouse * allocate a new one. 287e8c92ed7SSteven Whitehouse * 288e8c92ed7SSteven Whitehouse * Returns: The bio to use for log writes 289e8c92ed7SSteven Whitehouse */ 290e8c92ed7SSteven Whitehouse 2915b846095SAbhi Das static struct bio *gfs2_log_get_bio(struct gfs2_sbd *sdp, u64 blkno, 2925b846095SAbhi Das struct bio **biop, int op, 2935b846095SAbhi Das bio_end_io_t *end_io, bool flush) 294e8c92ed7SSteven Whitehouse { 2955b846095SAbhi Das struct bio *bio = *biop; 296e8c92ed7SSteven Whitehouse 297e8c92ed7SSteven Whitehouse if (bio) { 2985b846095SAbhi Das u64 nblk; 2995b846095SAbhi Das 300f73a1c7dSKent Overstreet nblk = bio_end_sector(bio); 301e8c92ed7SSteven Whitehouse nblk >>= sdp->sd_fsb2bb_shift; 3025b846095SAbhi Das if (blkno == nblk && !flush) 303e8c92ed7SSteven Whitehouse return bio; 304f4686c26SAbhi Das gfs2_log_submit_bio(biop, op); 305e8c92ed7SSteven Whitehouse } 306e8c92ed7SSteven Whitehouse 3075b846095SAbhi Das *biop = gfs2_log_alloc_bio(sdp, blkno, end_io); 3085b846095SAbhi Das return *biop; 309e8c92ed7SSteven Whitehouse } 310e8c92ed7SSteven Whitehouse 311e8c92ed7SSteven Whitehouse /** 312e8c92ed7SSteven Whitehouse * gfs2_log_write - write to log 31347ac5537SSteven Whitehouse * @sdp: the filesystem 314e8c92ed7SSteven Whitehouse * @page: the page to write 315e8c92ed7SSteven Whitehouse * @size: the size of the data to write 316e8c92ed7SSteven Whitehouse * @offset: the offset within the page 317c1696fb8SBob Peterson * @blkno: block number of the log entry 31847ac5537SSteven Whitehouse * 319e8c92ed7SSteven Whitehouse * Try and add the page segment to the current bio. If that fails, 320e8c92ed7SSteven Whitehouse * submit the current bio to the device and create a new one, and 321e8c92ed7SSteven Whitehouse * then add the page segment to that. 32247ac5537SSteven Whitehouse */ 32347ac5537SSteven Whitehouse 324c1696fb8SBob Peterson void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page, 325c1696fb8SBob Peterson unsigned size, unsigned offset, u64 blkno) 32647ac5537SSteven Whitehouse { 327e8c92ed7SSteven Whitehouse struct bio *bio; 328e8c92ed7SSteven Whitehouse int ret; 32947ac5537SSteven Whitehouse 3305b846095SAbhi Das bio = gfs2_log_get_bio(sdp, blkno, &sdp->sd_log_bio, REQ_OP_WRITE, 3315b846095SAbhi Das gfs2_end_log_write, false); 332e8c92ed7SSteven Whitehouse ret = bio_add_page(bio, page, size, offset); 333e8c92ed7SSteven Whitehouse if (ret == 0) { 3345b846095SAbhi Das bio = gfs2_log_get_bio(sdp, blkno, &sdp->sd_log_bio, 3355b846095SAbhi Das REQ_OP_WRITE, gfs2_end_log_write, true); 336e8c92ed7SSteven Whitehouse ret = bio_add_page(bio, page, size, offset); 337e8c92ed7SSteven Whitehouse WARN_ON(ret == 0); 338e8c92ed7SSteven Whitehouse } 33947ac5537SSteven Whitehouse } 34016615be1SSteven Whitehouse 341e8c92ed7SSteven Whitehouse /** 342e8c92ed7SSteven Whitehouse * gfs2_log_write_bh - write a buffer's content to the log 343e8c92ed7SSteven Whitehouse * @sdp: The super block 344e8c92ed7SSteven Whitehouse * @bh: The buffer pointing to the in-place location 345e8c92ed7SSteven Whitehouse * 346e8c92ed7SSteven Whitehouse * This writes the content of the buffer to the next available location 347e8c92ed7SSteven Whitehouse * in the log. The buffer will be unlocked once the i/o to the log has 348e8c92ed7SSteven Whitehouse * completed. 349e8c92ed7SSteven Whitehouse */ 350e8c92ed7SSteven Whitehouse 351e8c92ed7SSteven Whitehouse static void gfs2_log_write_bh(struct gfs2_sbd *sdp, struct buffer_head *bh) 35216615be1SSteven Whitehouse { 35319ebc050SAndreas Gruenbacher u64 dblock; 35419ebc050SAndreas Gruenbacher 35519ebc050SAndreas Gruenbacher dblock = gfs2_log_bmap(sdp->sd_jdesc, sdp->sd_log_flush_head); 35619ebc050SAndreas Gruenbacher gfs2_log_incr_head(sdp); 35719ebc050SAndreas Gruenbacher gfs2_log_write(sdp, bh->b_page, bh->b_size, bh_offset(bh), dblock); 358e8c92ed7SSteven Whitehouse } 359e8c92ed7SSteven Whitehouse 360e8c92ed7SSteven Whitehouse /** 361e8c92ed7SSteven Whitehouse * gfs2_log_write_page - write one block stored in a page, into the log 362e8c92ed7SSteven Whitehouse * @sdp: The superblock 363e8c92ed7SSteven Whitehouse * @page: The struct page 364e8c92ed7SSteven Whitehouse * 365e8c92ed7SSteven Whitehouse * This writes the first block-sized part of the page into the log. Note 366e8c92ed7SSteven Whitehouse * that the page must have been allocated from the gfs2_page_pool mempool 367e8c92ed7SSteven Whitehouse * and that after this has been called, ownership has been transferred and 368e8c92ed7SSteven Whitehouse * the page may be freed at any time. 369e8c92ed7SSteven Whitehouse */ 370e8c92ed7SSteven Whitehouse 371e8c92ed7SSteven Whitehouse void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page) 372e8c92ed7SSteven Whitehouse { 373e8c92ed7SSteven Whitehouse struct super_block *sb = sdp->sd_vfs; 37419ebc050SAndreas Gruenbacher u64 dblock; 37519ebc050SAndreas Gruenbacher 37619ebc050SAndreas Gruenbacher dblock = gfs2_log_bmap(sdp->sd_jdesc, sdp->sd_log_flush_head); 37719ebc050SAndreas Gruenbacher gfs2_log_incr_head(sdp); 37819ebc050SAndreas Gruenbacher gfs2_log_write(sdp, page, sb->s_blocksize, 0, dblock); 379e8c92ed7SSteven Whitehouse } 380e8c92ed7SSteven Whitehouse 381f4686c26SAbhi Das /** 382f4686c26SAbhi Das * gfs2_end_log_read - end I/O callback for reads from the log 383f4686c26SAbhi Das * @bio: The bio 384f4686c26SAbhi Das * 385f4686c26SAbhi Das * Simply unlock the pages in the bio. The main thread will wait on them and 386f4686c26SAbhi Das * process them in order as necessary. 387f4686c26SAbhi Das */ 388f4686c26SAbhi Das 389f4686c26SAbhi Das static void gfs2_end_log_read(struct bio *bio) 390f4686c26SAbhi Das { 391f4686c26SAbhi Das struct page *page; 392f4686c26SAbhi Das struct bio_vec *bvec; 393f4686c26SAbhi Das struct bvec_iter_all iter_all; 394f4686c26SAbhi Das 395ef75bd71SLinus Torvalds bio_for_each_segment_all(bvec, bio, iter_all) { 396f4686c26SAbhi Das page = bvec->bv_page; 397f4686c26SAbhi Das if (bio->bi_status) { 398f4686c26SAbhi Das int err = blk_status_to_errno(bio->bi_status); 399f4686c26SAbhi Das 400f4686c26SAbhi Das SetPageError(page); 401f4686c26SAbhi Das mapping_set_error(page->mapping, err); 402f4686c26SAbhi Das } 403f4686c26SAbhi Das unlock_page(page); 404f4686c26SAbhi Das } 405f4686c26SAbhi Das 406f4686c26SAbhi Das bio_put(bio); 407f4686c26SAbhi Das } 408f4686c26SAbhi Das 409f4686c26SAbhi Das /** 410f4686c26SAbhi Das * gfs2_jhead_pg_srch - Look for the journal head in a given page. 411f4686c26SAbhi Das * @jd: The journal descriptor 412f4686c26SAbhi Das * @page: The page to look in 413f4686c26SAbhi Das * 414f4686c26SAbhi Das * Returns: 1 if found, 0 otherwise. 415f4686c26SAbhi Das */ 416f4686c26SAbhi Das 417f4686c26SAbhi Das static bool gfs2_jhead_pg_srch(struct gfs2_jdesc *jd, 418f4686c26SAbhi Das struct gfs2_log_header_host *head, 419f4686c26SAbhi Das struct page *page) 420f4686c26SAbhi Das { 421f4686c26SAbhi Das struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 422f4686c26SAbhi Das struct gfs2_log_header_host uninitialized_var(lh); 423f4686c26SAbhi Das void *kaddr = kmap_atomic(page); 424f4686c26SAbhi Das unsigned int offset; 425f4686c26SAbhi Das bool ret = false; 426f4686c26SAbhi Das 427f4686c26SAbhi Das for (offset = 0; offset < PAGE_SIZE; offset += sdp->sd_sb.sb_bsize) { 428f4686c26SAbhi Das if (!__get_log_header(sdp, kaddr + offset, 0, &lh)) { 4297582026fSAbhi Das if (lh.lh_sequence >= head->lh_sequence) 430f4686c26SAbhi Das *head = lh; 431f4686c26SAbhi Das else { 432f4686c26SAbhi Das ret = true; 433f4686c26SAbhi Das break; 434f4686c26SAbhi Das } 435f4686c26SAbhi Das } 436f4686c26SAbhi Das } 437f4686c26SAbhi Das kunmap_atomic(kaddr); 438f4686c26SAbhi Das return ret; 439f4686c26SAbhi Das } 440f4686c26SAbhi Das 441f4686c26SAbhi Das /** 442f4686c26SAbhi Das * gfs2_jhead_process_page - Search/cleanup a page 443f4686c26SAbhi Das * @jd: The journal descriptor 444f4686c26SAbhi Das * @index: Index of the page to look into 445f4686c26SAbhi Das * @done: If set, perform only cleanup, else search and set if found. 446f4686c26SAbhi Das * 447f4686c26SAbhi Das * Find the page with 'index' in the journal's mapping. Search the page for 448f4686c26SAbhi Das * the journal head if requested (cleanup == false). Release refs on the 449f4686c26SAbhi Das * page so the page cache can reclaim it (put_page() twice). We grabbed a 450f4686c26SAbhi Das * reference on this page two times, first when we did a find_or_create_page() 451f4686c26SAbhi Das * to obtain the page to add it to the bio and second when we do a 452f4686c26SAbhi Das * find_get_page() here to get the page to wait on while I/O on it is being 453f4686c26SAbhi Das * completed. 454f4686c26SAbhi Das * This function is also used to free up a page we might've grabbed but not 455f4686c26SAbhi Das * used. Maybe we added it to a bio, but not submitted it for I/O. Or we 456f4686c26SAbhi Das * submitted the I/O, but we already found the jhead so we only need to drop 457f4686c26SAbhi Das * our references to the page. 458f4686c26SAbhi Das */ 459f4686c26SAbhi Das 460f4686c26SAbhi Das static void gfs2_jhead_process_page(struct gfs2_jdesc *jd, unsigned long index, 461f4686c26SAbhi Das struct gfs2_log_header_host *head, 462f4686c26SAbhi Das bool *done) 463f4686c26SAbhi Das { 464f4686c26SAbhi Das struct page *page; 465f4686c26SAbhi Das 466f4686c26SAbhi Das page = find_get_page(jd->jd_inode->i_mapping, index); 467f4686c26SAbhi Das wait_on_page_locked(page); 468f4686c26SAbhi Das 469f4686c26SAbhi Das if (PageError(page)) 470f4686c26SAbhi Das *done = true; 471f4686c26SAbhi Das 472f4686c26SAbhi Das if (!*done) 473f4686c26SAbhi Das *done = gfs2_jhead_pg_srch(jd, head, page); 474f4686c26SAbhi Das 475f4686c26SAbhi Das put_page(page); /* Once for find_get_page */ 476f4686c26SAbhi Das put_page(page); /* Once more for find_or_create_page */ 477f4686c26SAbhi Das } 478f4686c26SAbhi Das 479eed0f953SAndreas Gruenbacher static struct bio *gfs2_chain_bio(struct bio *prev, unsigned int nr_iovecs) 480eed0f953SAndreas Gruenbacher { 481eed0f953SAndreas Gruenbacher struct bio *new; 482eed0f953SAndreas Gruenbacher 483eed0f953SAndreas Gruenbacher new = bio_alloc(GFP_NOIO, nr_iovecs); 484eed0f953SAndreas Gruenbacher bio_copy_dev(new, prev); 485eed0f953SAndreas Gruenbacher new->bi_iter.bi_sector = bio_end_sector(prev); 486eed0f953SAndreas Gruenbacher new->bi_opf = prev->bi_opf; 487eed0f953SAndreas Gruenbacher new->bi_write_hint = prev->bi_write_hint; 488eed0f953SAndreas Gruenbacher bio_chain(new, prev); 489eed0f953SAndreas Gruenbacher submit_bio(prev); 490eed0f953SAndreas Gruenbacher return new; 491eed0f953SAndreas Gruenbacher } 492eed0f953SAndreas Gruenbacher 493f4686c26SAbhi Das /** 494f4686c26SAbhi Das * gfs2_find_jhead - find the head of a log 495f4686c26SAbhi Das * @jd: The journal descriptor 496f4686c26SAbhi Das * @head: The log descriptor for the head of the log is returned here 497f4686c26SAbhi Das * 498f4686c26SAbhi Das * Do a search of a journal by reading it in large chunks using bios and find 499f4686c26SAbhi Das * the valid log entry with the highest sequence number. (i.e. the log head) 500f4686c26SAbhi Das * 501f4686c26SAbhi Das * Returns: 0 on success, errno otherwise 502f4686c26SAbhi Das */ 503f4686c26SAbhi Das int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, 504f4686c26SAbhi Das bool keep_cache) 505f4686c26SAbhi Das { 506f4686c26SAbhi Das struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 507f4686c26SAbhi Das struct address_space *mapping = jd->jd_inode->i_mapping; 508f4686c26SAbhi Das unsigned int block = 0, blocks_submitted = 0, blocks_read = 0; 509eed0f953SAndreas Gruenbacher unsigned int bsize = sdp->sd_sb.sb_bsize, off; 510f4686c26SAbhi Das unsigned int bsize_shift = sdp->sd_sb.sb_bsize_shift; 511f4686c26SAbhi Das unsigned int shift = PAGE_SHIFT - bsize_shift; 51220be493bSAndreas Gruenbacher unsigned int max_blocks = 2 * 1024 * 1024 >> bsize_shift; 513f4686c26SAbhi Das struct gfs2_journal_extent *je; 514f4686c26SAbhi Das int sz, ret = 0; 515f4686c26SAbhi Das struct bio *bio = NULL; 516f4686c26SAbhi Das struct page *page = NULL; 51720be493bSAndreas Gruenbacher bool done = false; 518f4686c26SAbhi Das errseq_t since; 519f4686c26SAbhi Das 520f4686c26SAbhi Das memset(head, 0, sizeof(*head)); 521f4686c26SAbhi Das if (list_empty(&jd->extent_list)) 522f4686c26SAbhi Das gfs2_map_journal_extents(sdp, jd); 523f4686c26SAbhi Das 524f4686c26SAbhi Das since = filemap_sample_wb_err(mapping); 525f4686c26SAbhi Das list_for_each_entry(je, &jd->extent_list, list) { 526eed0f953SAndreas Gruenbacher u64 dblock = je->dblock; 527f4686c26SAbhi Das 528eed0f953SAndreas Gruenbacher for (; block < je->lblock + je->blocks; block++, dblock++) { 529f4686c26SAbhi Das if (!page) { 530f4686c26SAbhi Das page = find_or_create_page(mapping, 531f4686c26SAbhi Das block >> shift, GFP_NOFS); 532f4686c26SAbhi Das if (!page) { 533f4686c26SAbhi Das ret = -ENOMEM; 534f4686c26SAbhi Das done = true; 535f4686c26SAbhi Das goto out; 536f4686c26SAbhi Das } 537eed0f953SAndreas Gruenbacher off = 0; 538eed0f953SAndreas Gruenbacher } 539eed0f953SAndreas Gruenbacher 54020be493bSAndreas Gruenbacher if (bio && (off || block < blocks_submitted + max_blocks)) { 541aa83da7fSAndreas Gruenbacher sector_t sector = dblock << sdp->sd_fsb2bb_shift; 542aa83da7fSAndreas Gruenbacher 543aa83da7fSAndreas Gruenbacher if (bio_end_sector(bio) == sector) { 544eed0f953SAndreas Gruenbacher sz = bio_add_page(bio, page, bsize, off); 545eed0f953SAndreas Gruenbacher if (sz == bsize) 546eed0f953SAndreas Gruenbacher goto block_added; 547aa83da7fSAndreas Gruenbacher } 548eed0f953SAndreas Gruenbacher if (off) { 549eed0f953SAndreas Gruenbacher unsigned int blocks = 550eed0f953SAndreas Gruenbacher (PAGE_SIZE - off) >> bsize_shift; 551eed0f953SAndreas Gruenbacher 552eed0f953SAndreas Gruenbacher bio = gfs2_chain_bio(bio, blocks); 553eed0f953SAndreas Gruenbacher goto add_block_to_new_bio; 554eed0f953SAndreas Gruenbacher } 555f4686c26SAbhi Das } 556f4686c26SAbhi Das 557f4686c26SAbhi Das if (bio) { 55820be493bSAndreas Gruenbacher blocks_submitted = block; 559f4686c26SAbhi Das submit_bio(bio); 560f4686c26SAbhi Das } 561f4686c26SAbhi Das 562f4686c26SAbhi Das bio = gfs2_log_alloc_bio(sdp, dblock, gfs2_end_log_read); 563f4686c26SAbhi Das bio->bi_opf = REQ_OP_READ; 564eed0f953SAndreas Gruenbacher add_block_to_new_bio: 565eed0f953SAndreas Gruenbacher sz = bio_add_page(bio, page, bsize, off); 566eed0f953SAndreas Gruenbacher BUG_ON(sz != bsize); 567eed0f953SAndreas Gruenbacher block_added: 568eed0f953SAndreas Gruenbacher off += bsize; 569eed0f953SAndreas Gruenbacher if (off == PAGE_SIZE) 570f4686c26SAbhi Das page = NULL; 57120be493bSAndreas Gruenbacher if (blocks_submitted <= blocks_read + max_blocks) { 572f4686c26SAbhi Das /* Keep at least one bio in flight */ 573f4686c26SAbhi Das continue; 574f4686c26SAbhi Das } 575f4686c26SAbhi Das 576f4686c26SAbhi Das gfs2_jhead_process_page(jd, blocks_read >> shift, head, &done); 577f4686c26SAbhi Das blocks_read += PAGE_SIZE >> bsize_shift; 578f4686c26SAbhi Das if (done) 579f4686c26SAbhi Das goto out; /* found */ 580f4686c26SAbhi Das } 581f4686c26SAbhi Das } 582f4686c26SAbhi Das 583f4686c26SAbhi Das out: 584f4686c26SAbhi Das if (bio) 585f4686c26SAbhi Das submit_bio(bio); 586f4686c26SAbhi Das while (blocks_read < block) { 587f4686c26SAbhi Das gfs2_jhead_process_page(jd, blocks_read >> shift, head, &done); 588f4686c26SAbhi Das blocks_read += PAGE_SIZE >> bsize_shift; 589f4686c26SAbhi Das } 590f4686c26SAbhi Das 591f4686c26SAbhi Das if (!ret) 592f4686c26SAbhi Das ret = filemap_check_wb_err(mapping, since); 593f4686c26SAbhi Das 594f4686c26SAbhi Das if (!keep_cache) 595f4686c26SAbhi Das truncate_inode_pages(mapping, 0); 596f4686c26SAbhi Das 597f4686c26SAbhi Das return ret; 598f4686c26SAbhi Das } 599f4686c26SAbhi Das 600dad30e90SSteven Whitehouse static struct page *gfs2_get_log_desc(struct gfs2_sbd *sdp, u32 ld_type, 601dad30e90SSteven Whitehouse u32 ld_length, u32 ld_data1) 602e8c92ed7SSteven Whitehouse { 603144a4c2fSSteven Whitehouse struct page *page = mempool_alloc(gfs2_page_pool, GFP_NOIO); 604e8c92ed7SSteven Whitehouse struct gfs2_log_descriptor *ld = page_address(page); 605e8c92ed7SSteven Whitehouse clear_page(ld); 60616615be1SSteven Whitehouse ld->ld_header.mh_magic = cpu_to_be32(GFS2_MAGIC); 60716615be1SSteven Whitehouse ld->ld_header.mh_type = cpu_to_be32(GFS2_METATYPE_LD); 60816615be1SSteven Whitehouse ld->ld_header.mh_format = cpu_to_be32(GFS2_FORMAT_LD); 60916615be1SSteven Whitehouse ld->ld_type = cpu_to_be32(ld_type); 610dad30e90SSteven Whitehouse ld->ld_length = cpu_to_be32(ld_length); 611dad30e90SSteven Whitehouse ld->ld_data1 = cpu_to_be32(ld_data1); 61216615be1SSteven Whitehouse ld->ld_data2 = 0; 613e8c92ed7SSteven Whitehouse return page; 61416615be1SSteven Whitehouse } 61516615be1SSteven Whitehouse 616dad30e90SSteven Whitehouse static void gfs2_check_magic(struct buffer_head *bh) 617dad30e90SSteven Whitehouse { 618dad30e90SSteven Whitehouse void *kaddr; 619dad30e90SSteven Whitehouse __be32 *ptr; 620dad30e90SSteven Whitehouse 621dad30e90SSteven Whitehouse clear_buffer_escaped(bh); 622dad30e90SSteven Whitehouse kaddr = kmap_atomic(bh->b_page); 623dad30e90SSteven Whitehouse ptr = kaddr + bh_offset(bh); 624dad30e90SSteven Whitehouse if (*ptr == cpu_to_be32(GFS2_MAGIC)) 625dad30e90SSteven Whitehouse set_buffer_escaped(bh); 626dad30e90SSteven Whitehouse kunmap_atomic(kaddr); 627dad30e90SSteven Whitehouse } 628dad30e90SSteven Whitehouse 6297f63257dSBenjamin Marzinski static int blocknr_cmp(void *priv, struct list_head *a, struct list_head *b) 6307f63257dSBenjamin Marzinski { 6317f63257dSBenjamin Marzinski struct gfs2_bufdata *bda, *bdb; 6327f63257dSBenjamin Marzinski 6337f63257dSBenjamin Marzinski bda = list_entry(a, struct gfs2_bufdata, bd_list); 6347f63257dSBenjamin Marzinski bdb = list_entry(b, struct gfs2_bufdata, bd_list); 6357f63257dSBenjamin Marzinski 6367f63257dSBenjamin Marzinski if (bda->bd_bh->b_blocknr < bdb->bd_bh->b_blocknr) 6377f63257dSBenjamin Marzinski return -1; 6387f63257dSBenjamin Marzinski if (bda->bd_bh->b_blocknr > bdb->bd_bh->b_blocknr) 6397f63257dSBenjamin Marzinski return 1; 6407f63257dSBenjamin Marzinski return 0; 6417f63257dSBenjamin Marzinski } 6427f63257dSBenjamin Marzinski 643dad30e90SSteven Whitehouse static void gfs2_before_commit(struct gfs2_sbd *sdp, unsigned int limit, 644dad30e90SSteven Whitehouse unsigned int total, struct list_head *blist, 645dad30e90SSteven Whitehouse bool is_databuf) 646b3b94faaSDavid Teigland { 647b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld; 648b3b94faaSDavid Teigland struct gfs2_bufdata *bd1 = NULL, *bd2; 649e8c92ed7SSteven Whitehouse struct page *page; 650b3b94faaSDavid Teigland unsigned int num; 651b3b94faaSDavid Teigland unsigned n; 652b3b94faaSDavid Teigland __be64 *ptr; 653b3b94faaSDavid Teigland 654905d2aefSBob Peterson gfs2_log_lock(sdp); 6557f63257dSBenjamin Marzinski list_sort(NULL, blist, blocknr_cmp); 656c0752aa7SBob Peterson bd1 = bd2 = list_prepare_entry(bd1, blist, bd_list); 657b3b94faaSDavid Teigland while(total) { 658b3b94faaSDavid Teigland num = total; 659b3b94faaSDavid Teigland if (total > limit) 660b3b94faaSDavid Teigland num = limit; 661905d2aefSBob Peterson gfs2_log_unlock(sdp); 6624a586812SBob Peterson page = gfs2_get_log_desc(sdp, 6634a586812SBob Peterson is_databuf ? GFS2_LOG_DESC_JDATA : 6644a586812SBob Peterson GFS2_LOG_DESC_METADATA, num + 1, num); 665e8c92ed7SSteven Whitehouse ld = page_address(page); 666905d2aefSBob Peterson gfs2_log_lock(sdp); 667e8c92ed7SSteven Whitehouse ptr = (__be64 *)(ld + 1); 668b3b94faaSDavid Teigland 669b3b94faaSDavid Teigland n = 0; 670c0752aa7SBob Peterson list_for_each_entry_continue(bd1, blist, bd_list) { 671b3b94faaSDavid Teigland *ptr++ = cpu_to_be64(bd1->bd_bh->b_blocknr); 672dad30e90SSteven Whitehouse if (is_databuf) { 673dad30e90SSteven Whitehouse gfs2_check_magic(bd1->bd_bh); 674dad30e90SSteven Whitehouse *ptr++ = cpu_to_be64(buffer_escaped(bd1->bd_bh) ? 1 : 0); 675dad30e90SSteven Whitehouse } 676b3b94faaSDavid Teigland if (++n >= num) 677b3b94faaSDavid Teigland break; 678b3b94faaSDavid Teigland } 679b3b94faaSDavid Teigland 680905d2aefSBob Peterson gfs2_log_unlock(sdp); 681e8c92ed7SSteven Whitehouse gfs2_log_write_page(sdp, page); 682905d2aefSBob Peterson gfs2_log_lock(sdp); 683b3b94faaSDavid Teigland 684b3b94faaSDavid Teigland n = 0; 685c0752aa7SBob Peterson list_for_each_entry_continue(bd2, blist, bd_list) { 68616615be1SSteven Whitehouse get_bh(bd2->bd_bh); 687905d2aefSBob Peterson gfs2_log_unlock(sdp); 68816615be1SSteven Whitehouse lock_buffer(bd2->bd_bh); 689dad30e90SSteven Whitehouse 690dad30e90SSteven Whitehouse if (buffer_escaped(bd2->bd_bh)) { 691dad30e90SSteven Whitehouse void *kaddr; 692dad30e90SSteven Whitehouse page = mempool_alloc(gfs2_page_pool, GFP_NOIO); 693dad30e90SSteven Whitehouse ptr = page_address(page); 694dad30e90SSteven Whitehouse kaddr = kmap_atomic(bd2->bd_bh->b_page); 695dad30e90SSteven Whitehouse memcpy(ptr, kaddr + bh_offset(bd2->bd_bh), 696dad30e90SSteven Whitehouse bd2->bd_bh->b_size); 697dad30e90SSteven Whitehouse kunmap_atomic(kaddr); 698dad30e90SSteven Whitehouse *(__be32 *)ptr = 0; 699dad30e90SSteven Whitehouse clear_buffer_escaped(bd2->bd_bh); 700dad30e90SSteven Whitehouse unlock_buffer(bd2->bd_bh); 701dad30e90SSteven Whitehouse brelse(bd2->bd_bh); 702dad30e90SSteven Whitehouse gfs2_log_write_page(sdp, page); 703dad30e90SSteven Whitehouse } else { 704e8c92ed7SSteven Whitehouse gfs2_log_write_bh(sdp, bd2->bd_bh); 705dad30e90SSteven Whitehouse } 706905d2aefSBob Peterson gfs2_log_lock(sdp); 707b3b94faaSDavid Teigland if (++n >= num) 708b3b94faaSDavid Teigland break; 709b3b94faaSDavid Teigland } 710b3b94faaSDavid Teigland 711905d2aefSBob Peterson BUG_ON(total < num); 712b3b94faaSDavid Teigland total -= num; 713b3b94faaSDavid Teigland } 714905d2aefSBob Peterson gfs2_log_unlock(sdp); 715b3b94faaSDavid Teigland } 716b3b94faaSDavid Teigland 717d69a3c65SSteven Whitehouse static void buf_lo_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 718dad30e90SSteven Whitehouse { 719dad30e90SSteven Whitehouse unsigned int limit = buf_limit(sdp); /* 503 for 4k blocks */ 720022ef4feSSteven Whitehouse unsigned int nbuf; 721d69a3c65SSteven Whitehouse if (tr == NULL) 722d69a3c65SSteven Whitehouse return; 723022ef4feSSteven Whitehouse nbuf = tr->tr_num_buf_new - tr->tr_num_buf_rm; 724022ef4feSSteven Whitehouse gfs2_before_commit(sdp, limit, nbuf, &tr->tr_buf, 0); 725dad30e90SSteven Whitehouse } 726dad30e90SSteven Whitehouse 72716ca9412SBenjamin Marzinski static void buf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 728b3b94faaSDavid Teigland { 729d69a3c65SSteven Whitehouse struct list_head *head; 730b3b94faaSDavid Teigland struct gfs2_bufdata *bd; 731b3b94faaSDavid Teigland 732d69a3c65SSteven Whitehouse if (tr == NULL) 73316ca9412SBenjamin Marzinski return; 73416ca9412SBenjamin Marzinski 735d69a3c65SSteven Whitehouse head = &tr->tr_buf; 736b3b94faaSDavid Teigland while (!list_empty(head)) { 737969183bcSAndreas Gruenbacher bd = list_first_entry(head, struct gfs2_bufdata, bd_list); 738c0752aa7SBob Peterson list_del_init(&bd->bd_list); 73916ca9412SBenjamin Marzinski gfs2_unpin(sdp, bd->bd_bh, tr); 740b3b94faaSDavid Teigland } 741b3b94faaSDavid Teigland } 742b3b94faaSDavid Teigland 743b3b94faaSDavid Teigland static void buf_lo_before_scan(struct gfs2_jdesc *jd, 74455167622SAl Viro struct gfs2_log_header_host *head, int pass) 745b3b94faaSDavid Teigland { 746b3b94faaSDavid Teigland if (pass != 0) 747b3b94faaSDavid Teigland return; 748b3b94faaSDavid Teigland 749a17d758bSBob Peterson jd->jd_found_blocks = 0; 750a17d758bSBob Peterson jd->jd_replayed_blocks = 0; 751b3b94faaSDavid Teigland } 752b3b94faaSDavid Teigland 7537c70b896SBob Peterson static int buf_lo_scan_elements(struct gfs2_jdesc *jd, u32 start, 754b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld, __be64 *ptr, 755b3b94faaSDavid Teigland int pass) 756b3b94faaSDavid Teigland { 757feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 758feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 7595c676f6dSSteven Whitehouse struct gfs2_glock *gl = ip->i_gl; 760b3b94faaSDavid Teigland unsigned int blks = be32_to_cpu(ld->ld_data1); 761b3b94faaSDavid Teigland struct buffer_head *bh_log, *bh_ip; 762cd915493SSteven Whitehouse u64 blkno; 763b3b94faaSDavid Teigland int error = 0; 764b3b94faaSDavid Teigland 765b3b94faaSDavid Teigland if (pass != 1 || be32_to_cpu(ld->ld_type) != GFS2_LOG_DESC_METADATA) 766b3b94faaSDavid Teigland return 0; 767b3b94faaSDavid Teigland 768e1cb6be9SBob Peterson gfs2_replay_incr_blk(jd, &start); 769b3b94faaSDavid Teigland 770e1cb6be9SBob Peterson for (; blks; gfs2_replay_incr_blk(jd, &start), blks--) { 771b3b94faaSDavid Teigland blkno = be64_to_cpu(*ptr++); 772b3b94faaSDavid Teigland 773a17d758bSBob Peterson jd->jd_found_blocks++; 774b3b94faaSDavid Teigland 775a17d758bSBob Peterson if (gfs2_revoke_check(jd, blkno, start)) 776b3b94faaSDavid Teigland continue; 777b3b94faaSDavid Teigland 778b3b94faaSDavid Teigland error = gfs2_replay_read_block(jd, start, &bh_log); 779b3b94faaSDavid Teigland if (error) 780b3b94faaSDavid Teigland return error; 781b3b94faaSDavid Teigland 782b3b94faaSDavid Teigland bh_ip = gfs2_meta_new(gl, blkno); 783b3b94faaSDavid Teigland memcpy(bh_ip->b_data, bh_log->b_data, bh_log->b_size); 784b3b94faaSDavid Teigland 785b3b94faaSDavid Teigland if (gfs2_meta_check(sdp, bh_ip)) 786b3b94faaSDavid Teigland error = -EIO; 787d14e1ca3SBob Peterson else { 788d14e1ca3SBob Peterson struct gfs2_meta_header *mh = 789d14e1ca3SBob Peterson (struct gfs2_meta_header *)bh_ip->b_data; 790b3b94faaSDavid Teigland 791d14e1ca3SBob Peterson if (mh->mh_type == cpu_to_be32(GFS2_METATYPE_RG)) { 792d14e1ca3SBob Peterson struct gfs2_rgrpd *rgd; 793d14e1ca3SBob Peterson 794d14e1ca3SBob Peterson rgd = gfs2_blk2rgrpd(sdp, blkno, false); 795d14e1ca3SBob Peterson if (rgd && rgd->rd_addr == blkno && 796d14e1ca3SBob Peterson rgd->rd_bits && rgd->rd_bits->bi_bh) { 797d14e1ca3SBob Peterson fs_info(sdp, "Replaying 0x%llx but we " 798d14e1ca3SBob Peterson "already have a bh!\n", 799d14e1ca3SBob Peterson (unsigned long long)blkno); 800d14e1ca3SBob Peterson fs_info(sdp, "busy:%d, pinned:%d\n", 801d14e1ca3SBob Peterson buffer_busy(rgd->rd_bits->bi_bh) ? 1 : 0, 802d14e1ca3SBob Peterson buffer_pinned(rgd->rd_bits->bi_bh)); 8033792ce97SBob Peterson gfs2_dump_glock(NULL, rgd->rd_gl, true); 804d14e1ca3SBob Peterson } 805d14e1ca3SBob Peterson } 806d14e1ca3SBob Peterson mark_buffer_dirty(bh_ip); 807d14e1ca3SBob Peterson } 808b3b94faaSDavid Teigland brelse(bh_log); 809b3b94faaSDavid Teigland brelse(bh_ip); 810b3b94faaSDavid Teigland 811b3b94faaSDavid Teigland if (error) 812b3b94faaSDavid Teigland break; 813b3b94faaSDavid Teigland 814a17d758bSBob Peterson jd->jd_replayed_blocks++; 815b3b94faaSDavid Teigland } 816b3b94faaSDavid Teigland 817b3b94faaSDavid Teigland return error; 818b3b94faaSDavid Teigland } 819b3b94faaSDavid Teigland 8207c0ef28aSSteven Whitehouse /** 8217c0ef28aSSteven Whitehouse * gfs2_meta_sync - Sync all buffers associated with a glock 8227c0ef28aSSteven Whitehouse * @gl: The glock 8237c0ef28aSSteven Whitehouse * 8247c0ef28aSSteven Whitehouse */ 8257c0ef28aSSteven Whitehouse 8267c0ef28aSSteven Whitehouse static void gfs2_meta_sync(struct gfs2_glock *gl) 8277c0ef28aSSteven Whitehouse { 8287c0ef28aSSteven Whitehouse struct address_space *mapping = gfs2_glock2aspace(gl); 82915562c43SBob Peterson struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; 8307c0ef28aSSteven Whitehouse int error; 8317c0ef28aSSteven Whitehouse 83270d4ee94SSteven Whitehouse if (mapping == NULL) 83370d4ee94SSteven Whitehouse mapping = &sdp->sd_aspace; 83470d4ee94SSteven Whitehouse 8357c0ef28aSSteven Whitehouse filemap_fdatawrite(mapping); 8367c0ef28aSSteven Whitehouse error = filemap_fdatawait(mapping); 8377c0ef28aSSteven Whitehouse 8387c0ef28aSSteven Whitehouse if (error) 83915562c43SBob Peterson gfs2_io_error(gl->gl_name.ln_sbd); 8407c0ef28aSSteven Whitehouse } 8417c0ef28aSSteven Whitehouse 842b3b94faaSDavid Teigland static void buf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) 843b3b94faaSDavid Teigland { 844feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 845feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 846b3b94faaSDavid Teigland 847b3b94faaSDavid Teigland if (error) { 8487276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 849b3b94faaSDavid Teigland return; 850b3b94faaSDavid Teigland } 851b3b94faaSDavid Teigland if (pass != 1) 852b3b94faaSDavid Teigland return; 853b3b94faaSDavid Teigland 8547276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 855b3b94faaSDavid Teigland 856b3b94faaSDavid Teigland fs_info(sdp, "jid=%u: Replayed %u of %u blocks\n", 857a17d758bSBob Peterson jd->jd_jid, jd->jd_replayed_blocks, jd->jd_found_blocks); 858b3b94faaSDavid Teigland } 859b3b94faaSDavid Teigland 860d69a3c65SSteven Whitehouse static void revoke_lo_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 861b3b94faaSDavid Teigland { 862b3b94faaSDavid Teigland struct gfs2_meta_header *mh; 863b3b94faaSDavid Teigland unsigned int offset; 864a5b1d3fcSAndreas Gruenbacher struct list_head *head = &sdp->sd_log_revokes; 86582e86087SSteven Whitehouse struct gfs2_bufdata *bd; 866e8c92ed7SSteven Whitehouse struct page *page; 867dad30e90SSteven Whitehouse unsigned int length; 868b3b94faaSDavid Teigland 8695d054964SBenjamin Marzinski gfs2_write_revokes(sdp); 870b3b94faaSDavid Teigland if (!sdp->sd_log_num_revoke) 871b3b94faaSDavid Teigland return; 872b3b94faaSDavid Teigland 8732e9eeaa1SBob Peterson length = gfs2_struct2blk(sdp, sdp->sd_log_num_revoke); 874dad30e90SSteven Whitehouse page = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE, length, sdp->sd_log_num_revoke); 875b3b94faaSDavid Teigland offset = sizeof(struct gfs2_log_descriptor); 876b3b94faaSDavid Teigland 877c0752aa7SBob Peterson list_for_each_entry(bd, head, bd_list) { 878b3b94faaSDavid Teigland sdp->sd_log_num_revoke--; 879b3b94faaSDavid Teigland 880cd915493SSteven Whitehouse if (offset + sizeof(u64) > sdp->sd_sb.sb_bsize) { 881b3b94faaSDavid Teigland 882e8c92ed7SSteven Whitehouse gfs2_log_write_page(sdp, page); 883e8c92ed7SSteven Whitehouse page = mempool_alloc(gfs2_page_pool, GFP_NOIO); 884e8c92ed7SSteven Whitehouse mh = page_address(page); 885e8c92ed7SSteven Whitehouse clear_page(mh); 886b3b94faaSDavid Teigland mh->mh_magic = cpu_to_be32(GFS2_MAGIC); 887e3167dedSSteven Whitehouse mh->mh_type = cpu_to_be32(GFS2_METATYPE_LB); 888e3167dedSSteven Whitehouse mh->mh_format = cpu_to_be32(GFS2_FORMAT_LB); 889b3b94faaSDavid Teigland offset = sizeof(struct gfs2_meta_header); 890b3b94faaSDavid Teigland } 891b3b94faaSDavid Teigland 892e8c92ed7SSteven Whitehouse *(__be64 *)(page_address(page) + offset) = cpu_to_be64(bd->bd_blkno); 893cd915493SSteven Whitehouse offset += sizeof(u64); 894b3b94faaSDavid Teigland } 895b3b94faaSDavid Teigland gfs2_assert_withdraw(sdp, !sdp->sd_log_num_revoke); 896b3b94faaSDavid Teigland 897e8c92ed7SSteven Whitehouse gfs2_log_write_page(sdp, page); 898b3b94faaSDavid Teigland } 899b3b94faaSDavid Teigland 90016ca9412SBenjamin Marzinski static void revoke_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 901f42ab085SSteven Whitehouse { 902a5b1d3fcSAndreas Gruenbacher struct list_head *head = &sdp->sd_log_revokes; 903638803d4SBob Peterson struct gfs2_bufdata *bd; 904638803d4SBob Peterson struct gfs2_glock *gl; 905f42ab085SSteven Whitehouse 906638803d4SBob Peterson while (!list_empty(head)) { 907969183bcSAndreas Gruenbacher bd = list_first_entry(head, struct gfs2_bufdata, bd_list); 908638803d4SBob Peterson list_del_init(&bd->bd_list); 909638803d4SBob Peterson gl = bd->bd_gl; 910fe5e7ba1SBob Peterson gfs2_glock_remove_revoke(gl); 911638803d4SBob Peterson kmem_cache_free(gfs2_bufdata_cachep, bd); 912638803d4SBob Peterson } 913f42ab085SSteven Whitehouse } 914f42ab085SSteven Whitehouse 915b3b94faaSDavid Teigland static void revoke_lo_before_scan(struct gfs2_jdesc *jd, 91655167622SAl Viro struct gfs2_log_header_host *head, int pass) 917b3b94faaSDavid Teigland { 918b3b94faaSDavid Teigland if (pass != 0) 919b3b94faaSDavid Teigland return; 920b3b94faaSDavid Teigland 921a17d758bSBob Peterson jd->jd_found_revokes = 0; 922a17d758bSBob Peterson jd->jd_replay_tail = head->lh_tail; 923b3b94faaSDavid Teigland } 924b3b94faaSDavid Teigland 9257c70b896SBob Peterson static int revoke_lo_scan_elements(struct gfs2_jdesc *jd, u32 start, 926b3b94faaSDavid Teigland struct gfs2_log_descriptor *ld, __be64 *ptr, 927b3b94faaSDavid Teigland int pass) 928b3b94faaSDavid Teigland { 929feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 930b3b94faaSDavid Teigland unsigned int blks = be32_to_cpu(ld->ld_length); 931b3b94faaSDavid Teigland unsigned int revokes = be32_to_cpu(ld->ld_data1); 932b3b94faaSDavid Teigland struct buffer_head *bh; 933b3b94faaSDavid Teigland unsigned int offset; 934cd915493SSteven Whitehouse u64 blkno; 935b3b94faaSDavid Teigland int first = 1; 936b3b94faaSDavid Teigland int error; 937b3b94faaSDavid Teigland 938b3b94faaSDavid Teigland if (pass != 0 || be32_to_cpu(ld->ld_type) != GFS2_LOG_DESC_REVOKE) 939b3b94faaSDavid Teigland return 0; 940b3b94faaSDavid Teigland 941b3b94faaSDavid Teigland offset = sizeof(struct gfs2_log_descriptor); 942b3b94faaSDavid Teigland 943e1cb6be9SBob Peterson for (; blks; gfs2_replay_incr_blk(jd, &start), blks--) { 944b3b94faaSDavid Teigland error = gfs2_replay_read_block(jd, start, &bh); 945b3b94faaSDavid Teigland if (error) 946b3b94faaSDavid Teigland return error; 947b3b94faaSDavid Teigland 948b3b94faaSDavid Teigland if (!first) 949b3b94faaSDavid Teigland gfs2_metatype_check(sdp, bh, GFS2_METATYPE_LB); 950b3b94faaSDavid Teigland 951cd915493SSteven Whitehouse while (offset + sizeof(u64) <= sdp->sd_sb.sb_bsize) { 952b3b94faaSDavid Teigland blkno = be64_to_cpu(*(__be64 *)(bh->b_data + offset)); 953b3b94faaSDavid Teigland 954a17d758bSBob Peterson error = gfs2_revoke_add(jd, blkno, start); 9553ad62e87SBob Peterson if (error < 0) { 9563ad62e87SBob Peterson brelse(bh); 957b3b94faaSDavid Teigland return error; 9583ad62e87SBob Peterson } 959b3b94faaSDavid Teigland else if (error) 960a17d758bSBob Peterson jd->jd_found_revokes++; 961b3b94faaSDavid Teigland 962b3b94faaSDavid Teigland if (!--revokes) 963b3b94faaSDavid Teigland break; 964cd915493SSteven Whitehouse offset += sizeof(u64); 965b3b94faaSDavid Teigland } 966b3b94faaSDavid Teigland 967b3b94faaSDavid Teigland brelse(bh); 968b3b94faaSDavid Teigland offset = sizeof(struct gfs2_meta_header); 969b3b94faaSDavid Teigland first = 0; 970b3b94faaSDavid Teigland } 971b3b94faaSDavid Teigland 972b3b94faaSDavid Teigland return 0; 973b3b94faaSDavid Teigland } 974b3b94faaSDavid Teigland 975b3b94faaSDavid Teigland static void revoke_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) 976b3b94faaSDavid Teigland { 977feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 978b3b94faaSDavid Teigland 979b3b94faaSDavid Teigland if (error) { 980a17d758bSBob Peterson gfs2_revoke_clean(jd); 981b3b94faaSDavid Teigland return; 982b3b94faaSDavid Teigland } 983b3b94faaSDavid Teigland if (pass != 1) 984b3b94faaSDavid Teigland return; 985b3b94faaSDavid Teigland 986b3b94faaSDavid Teigland fs_info(sdp, "jid=%u: Found %u revoke tags\n", 987a17d758bSBob Peterson jd->jd_jid, jd->jd_found_revokes); 988b3b94faaSDavid Teigland 989a17d758bSBob Peterson gfs2_revoke_clean(jd); 990b3b94faaSDavid Teigland } 991b3b94faaSDavid Teigland 99218ec7d5cSSteven Whitehouse /** 99318ec7d5cSSteven Whitehouse * databuf_lo_before_commit - Scan the data buffers, writing as we go 99418ec7d5cSSteven Whitehouse * 99518ec7d5cSSteven Whitehouse */ 996d7b616e2SSteven Whitehouse 997d69a3c65SSteven Whitehouse static void databuf_lo_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 998b3b94faaSDavid Teigland { 999022ef4feSSteven Whitehouse unsigned int limit = databuf_limit(sdp); 1000022ef4feSSteven Whitehouse unsigned int nbuf; 1001d69a3c65SSteven Whitehouse if (tr == NULL) 1002d69a3c65SSteven Whitehouse return; 1003022ef4feSSteven Whitehouse nbuf = tr->tr_num_databuf_new - tr->tr_num_databuf_rm; 1004022ef4feSSteven Whitehouse gfs2_before_commit(sdp, limit, nbuf, &tr->tr_databuf, 1); 1005b3b94faaSDavid Teigland } 1006b3b94faaSDavid Teigland 10077c70b896SBob Peterson static int databuf_lo_scan_elements(struct gfs2_jdesc *jd, u32 start, 100818ec7d5cSSteven Whitehouse struct gfs2_log_descriptor *ld, 100918ec7d5cSSteven Whitehouse __be64 *ptr, int pass) 101018ec7d5cSSteven Whitehouse { 1011feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 10125c676f6dSSteven Whitehouse struct gfs2_glock *gl = ip->i_gl; 101318ec7d5cSSteven Whitehouse unsigned int blks = be32_to_cpu(ld->ld_data1); 101418ec7d5cSSteven Whitehouse struct buffer_head *bh_log, *bh_ip; 1015cd915493SSteven Whitehouse u64 blkno; 1016cd915493SSteven Whitehouse u64 esc; 101718ec7d5cSSteven Whitehouse int error = 0; 101818ec7d5cSSteven Whitehouse 101918ec7d5cSSteven Whitehouse if (pass != 1 || be32_to_cpu(ld->ld_type) != GFS2_LOG_DESC_JDATA) 102018ec7d5cSSteven Whitehouse return 0; 102118ec7d5cSSteven Whitehouse 1022e1cb6be9SBob Peterson gfs2_replay_incr_blk(jd, &start); 1023e1cb6be9SBob Peterson for (; blks; gfs2_replay_incr_blk(jd, &start), blks--) { 102418ec7d5cSSteven Whitehouse blkno = be64_to_cpu(*ptr++); 102518ec7d5cSSteven Whitehouse esc = be64_to_cpu(*ptr++); 102618ec7d5cSSteven Whitehouse 1027a17d758bSBob Peterson jd->jd_found_blocks++; 102818ec7d5cSSteven Whitehouse 1029a17d758bSBob Peterson if (gfs2_revoke_check(jd, blkno, start)) 103018ec7d5cSSteven Whitehouse continue; 103118ec7d5cSSteven Whitehouse 103218ec7d5cSSteven Whitehouse error = gfs2_replay_read_block(jd, start, &bh_log); 103318ec7d5cSSteven Whitehouse if (error) 103418ec7d5cSSteven Whitehouse return error; 103518ec7d5cSSteven Whitehouse 103618ec7d5cSSteven Whitehouse bh_ip = gfs2_meta_new(gl, blkno); 103718ec7d5cSSteven Whitehouse memcpy(bh_ip->b_data, bh_log->b_data, bh_log->b_size); 103818ec7d5cSSteven Whitehouse 103918ec7d5cSSteven Whitehouse /* Unescape */ 104018ec7d5cSSteven Whitehouse if (esc) { 104118ec7d5cSSteven Whitehouse __be32 *eptr = (__be32 *)bh_ip->b_data; 104218ec7d5cSSteven Whitehouse *eptr = cpu_to_be32(GFS2_MAGIC); 104318ec7d5cSSteven Whitehouse } 104418ec7d5cSSteven Whitehouse mark_buffer_dirty(bh_ip); 104518ec7d5cSSteven Whitehouse 104618ec7d5cSSteven Whitehouse brelse(bh_log); 104718ec7d5cSSteven Whitehouse brelse(bh_ip); 104818ec7d5cSSteven Whitehouse 1049a17d758bSBob Peterson jd->jd_replayed_blocks++; 105018ec7d5cSSteven Whitehouse } 105118ec7d5cSSteven Whitehouse 105218ec7d5cSSteven Whitehouse return error; 105318ec7d5cSSteven Whitehouse } 105418ec7d5cSSteven Whitehouse 105518ec7d5cSSteven Whitehouse /* FIXME: sort out accounting for log blocks etc. */ 105618ec7d5cSSteven Whitehouse 105718ec7d5cSSteven Whitehouse static void databuf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) 105818ec7d5cSSteven Whitehouse { 1059feaa7bbaSSteven Whitehouse struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 1060feaa7bbaSSteven Whitehouse struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 106118ec7d5cSSteven Whitehouse 106218ec7d5cSSteven Whitehouse if (error) { 10637276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 106418ec7d5cSSteven Whitehouse return; 106518ec7d5cSSteven Whitehouse } 106618ec7d5cSSteven Whitehouse if (pass != 1) 106718ec7d5cSSteven Whitehouse return; 106818ec7d5cSSteven Whitehouse 106918ec7d5cSSteven Whitehouse /* data sync? */ 10707276b3b0SSteven Whitehouse gfs2_meta_sync(ip->i_gl); 107118ec7d5cSSteven Whitehouse 107218ec7d5cSSteven Whitehouse fs_info(sdp, "jid=%u: Replayed %u of %u data blocks\n", 1073a17d758bSBob Peterson jd->jd_jid, jd->jd_replayed_blocks, jd->jd_found_blocks); 107418ec7d5cSSteven Whitehouse } 107518ec7d5cSSteven Whitehouse 107616ca9412SBenjamin Marzinski static void databuf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 107718ec7d5cSSteven Whitehouse { 1078d69a3c65SSteven Whitehouse struct list_head *head; 107918ec7d5cSSteven Whitehouse struct gfs2_bufdata *bd; 108018ec7d5cSSteven Whitehouse 1081d69a3c65SSteven Whitehouse if (tr == NULL) 108216ca9412SBenjamin Marzinski return; 108316ca9412SBenjamin Marzinski 1084d69a3c65SSteven Whitehouse head = &tr->tr_databuf; 108518ec7d5cSSteven Whitehouse while (!list_empty(head)) { 1086969183bcSAndreas Gruenbacher bd = list_first_entry(head, struct gfs2_bufdata, bd_list); 1087c0752aa7SBob Peterson list_del_init(&bd->bd_list); 108816ca9412SBenjamin Marzinski gfs2_unpin(sdp, bd->bd_bh, tr); 108918ec7d5cSSteven Whitehouse } 109018ec7d5cSSteven Whitehouse } 109118ec7d5cSSteven Whitehouse 109218ec7d5cSSteven Whitehouse 109332ac43f6SAndreas Gruenbacher static const struct gfs2_log_operations gfs2_buf_lops = { 1094b3b94faaSDavid Teigland .lo_before_commit = buf_lo_before_commit, 1095b3b94faaSDavid Teigland .lo_after_commit = buf_lo_after_commit, 1096b3b94faaSDavid Teigland .lo_before_scan = buf_lo_before_scan, 1097b3b94faaSDavid Teigland .lo_scan_elements = buf_lo_scan_elements, 1098b3b94faaSDavid Teigland .lo_after_scan = buf_lo_after_scan, 1099ea67eedbSSteven Whitehouse .lo_name = "buf", 1100b3b94faaSDavid Teigland }; 1101b3b94faaSDavid Teigland 110232ac43f6SAndreas Gruenbacher static const struct gfs2_log_operations gfs2_revoke_lops = { 1103b3b94faaSDavid Teigland .lo_before_commit = revoke_lo_before_commit, 1104f42ab085SSteven Whitehouse .lo_after_commit = revoke_lo_after_commit, 1105b3b94faaSDavid Teigland .lo_before_scan = revoke_lo_before_scan, 1106b3b94faaSDavid Teigland .lo_scan_elements = revoke_lo_scan_elements, 1107b3b94faaSDavid Teigland .lo_after_scan = revoke_lo_after_scan, 1108ea67eedbSSteven Whitehouse .lo_name = "revoke", 1109b3b94faaSDavid Teigland }; 1110b3b94faaSDavid Teigland 111132ac43f6SAndreas Gruenbacher static const struct gfs2_log_operations gfs2_databuf_lops = { 1112b3b94faaSDavid Teigland .lo_before_commit = databuf_lo_before_commit, 111318ec7d5cSSteven Whitehouse .lo_after_commit = databuf_lo_after_commit, 111418ec7d5cSSteven Whitehouse .lo_scan_elements = databuf_lo_scan_elements, 111518ec7d5cSSteven Whitehouse .lo_after_scan = databuf_lo_after_scan, 1116ea67eedbSSteven Whitehouse .lo_name = "databuf", 1117b3b94faaSDavid Teigland }; 1118b3b94faaSDavid Teigland 1119b09e593dSSteven Whitehouse const struct gfs2_log_operations *gfs2_log_ops[] = { 1120b3b94faaSDavid Teigland &gfs2_databuf_lops, 112116615be1SSteven Whitehouse &gfs2_buf_lops, 112216615be1SSteven Whitehouse &gfs2_revoke_lops, 1123ea67eedbSSteven Whitehouse NULL, 1124b3b94faaSDavid Teigland }; 1125b3b94faaSDavid Teigland 1126