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 7d77d1b58SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 8d77d1b58SJoe Perches 9b3b94faaSDavid Teigland #include <linux/sched.h> 10b3b94faaSDavid Teigland #include <linux/slab.h> 11b3b94faaSDavid Teigland #include <linux/spinlock.h> 12b3b94faaSDavid Teigland #include <linux/completion.h> 13b3b94faaSDavid Teigland #include <linux/buffer_head.h> 14d0dc80dbSSteven Whitehouse #include <linux/kallsyms.h> 15f057f6cdSSteven Whitehouse #include <linux/gfs2_ondisk.h> 16b3b94faaSDavid Teigland 17b3b94faaSDavid Teigland #include "gfs2.h" 185c676f6dSSteven Whitehouse #include "incore.h" 19b3b94faaSDavid Teigland #include "glock.h" 20767f433fSSteven Whitehouse #include "inode.h" 21b3b94faaSDavid Teigland #include "log.h" 22b3b94faaSDavid Teigland #include "lops.h" 23b3b94faaSDavid Teigland #include "meta_io.h" 24b3b94faaSDavid Teigland #include "trans.h" 255c676f6dSSteven Whitehouse #include "util.h" 265e687eacSBenjamin Marzinski #include "trace_gfs2.h" 27b3b94faaSDavid Teigland 28b0be23b2SBob Peterson static void gfs2_print_trans(struct gfs2_sbd *sdp, const struct gfs2_trans *tr) 29b0be23b2SBob Peterson { 30b0be23b2SBob Peterson fs_warn(sdp, "Transaction created at: %pSR\n", (void *)tr->tr_ip); 31b0be23b2SBob Peterson fs_warn(sdp, "blocks=%u revokes=%u reserved=%u touched=%u\n", 32b0be23b2SBob Peterson tr->tr_blocks, tr->tr_revokes, tr->tr_reserved, 33b0be23b2SBob Peterson test_bit(TR_TOUCHED, &tr->tr_flags)); 342129b428SAndreas Gruenbacher fs_warn(sdp, "Buf %u/%u Databuf %u/%u Revoke %u\n", 35b0be23b2SBob Peterson tr->tr_num_buf_new, tr->tr_num_buf_rm, 36b0be23b2SBob Peterson tr->tr_num_databuf_new, tr->tr_num_databuf_rm, 372129b428SAndreas Gruenbacher tr->tr_num_revoke); 38b0be23b2SBob Peterson } 39b0be23b2SBob Peterson 40c968f578SAndreas Gruenbacher int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp, 41c968f578SAndreas Gruenbacher unsigned int blocks, unsigned int revokes, 42c968f578SAndreas Gruenbacher unsigned long ip) 43b3b94faaSDavid Teigland { 442129b428SAndreas Gruenbacher unsigned int extra_revokes; 452129b428SAndreas Gruenbacher 46b0be23b2SBob Peterson if (current->journal_info) { 47b0be23b2SBob Peterson gfs2_print_trans(sdp, current->journal_info); 48b0be23b2SBob Peterson BUG(); 49b0be23b2SBob Peterson } 50d0dc80dbSSteven Whitehouse BUG_ON(blocks == 0 && revokes == 0); 51b3b94faaSDavid Teigland 52a1c0643fSSteven Whitehouse if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) 53a1c0643fSSteven Whitehouse return -EROFS; 54a1c0643fSSteven Whitehouse 55c968f578SAndreas Gruenbacher tr->tr_ip = ip; 56b3b94faaSDavid Teigland tr->tr_blocks = blocks; 57b3b94faaSDavid Teigland tr->tr_revokes = revokes; 58fe3e3976SAndreas Gruenbacher tr->tr_reserved = GFS2_LOG_FLUSH_MIN_BLOCKS; 59297de318SAndreas Gruenbacher if (blocks) { 60297de318SAndreas Gruenbacher /* 61297de318SAndreas Gruenbacher * The reserved blocks are either used for data or metadata. 62297de318SAndreas Gruenbacher * We can have mixed data and metadata, each with its own log 63297de318SAndreas Gruenbacher * descriptor block; see calc_reserved(). 64297de318SAndreas Gruenbacher */ 65297de318SAndreas Gruenbacher tr->tr_reserved += blocks + 1 + DIV_ROUND_UP(blocks - 1, databuf_limit(sdp)); 66297de318SAndreas Gruenbacher } 67d69a3c65SSteven Whitehouse INIT_LIST_HEAD(&tr->tr_databuf); 68d69a3c65SSteven Whitehouse INIT_LIST_HEAD(&tr->tr_buf); 69462582b9SBob Peterson INIT_LIST_HEAD(&tr->tr_list); 70cbcc89b6SBob Peterson INIT_LIST_HEAD(&tr->tr_ail1_list); 71cbcc89b6SBob Peterson INIT_LIST_HEAD(&tr->tr_ail2_list); 72d69a3c65SSteven Whitehouse 73c1eba1b0SAndreas Gruenbacher if (gfs2_assert_warn(sdp, tr->tr_reserved <= sdp->sd_jdesc->jd_blocks)) 74c1eba1b0SAndreas Gruenbacher return -EINVAL; 75c1eba1b0SAndreas Gruenbacher 7639263d5eSJan Kara sb_start_intwrite(sdp->sd_vfs); 77b3b94faaSDavid Teigland 782129b428SAndreas Gruenbacher /* 792129b428SAndreas Gruenbacher * Try the reservations under sd_log_flush_lock to prevent log flushes 802129b428SAndreas Gruenbacher * from creating inconsistencies between the number of allocated and 812129b428SAndreas Gruenbacher * reserved revokes. If that fails, do a full-block allocation outside 822129b428SAndreas Gruenbacher * of the lock to avoid stalling log flushes. Then, allot the 832129b428SAndreas Gruenbacher * appropriate number of blocks to revokes, use as many revokes locally 842129b428SAndreas Gruenbacher * as needed, and "release" the surplus into the revokes pool. 852129b428SAndreas Gruenbacher */ 86c1eba1b0SAndreas Gruenbacher 87c1eba1b0SAndreas Gruenbacher down_read(&sdp->sd_log_flush_lock); 882129b428SAndreas Gruenbacher if (gfs2_log_try_reserve(sdp, tr, &extra_revokes)) 892129b428SAndreas Gruenbacher goto reserved; 902129b428SAndreas Gruenbacher up_read(&sdp->sd_log_flush_lock); 912129b428SAndreas Gruenbacher gfs2_log_reserve(sdp, tr, &extra_revokes); 922129b428SAndreas Gruenbacher down_read(&sdp->sd_log_flush_lock); 932129b428SAndreas Gruenbacher 942129b428SAndreas Gruenbacher reserved: 952129b428SAndreas Gruenbacher gfs2_log_release_revokes(sdp, extra_revokes); 96c1eba1b0SAndreas Gruenbacher if (unlikely(!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))) { 972129b428SAndreas Gruenbacher gfs2_log_release_revokes(sdp, tr->tr_revokes); 98c1eba1b0SAndreas Gruenbacher up_read(&sdp->sd_log_flush_lock); 995ae8fff8SAndreas Gruenbacher gfs2_log_release(sdp, tr->tr_reserved); 100c968f578SAndreas Gruenbacher sb_end_intwrite(sdp->sd_vfs); 101c1eba1b0SAndreas Gruenbacher return -EROFS; 102c968f578SAndreas Gruenbacher } 103b3b94faaSDavid Teigland 1045c676f6dSSteven Whitehouse current->journal_info = tr; 105b3b94faaSDavid Teigland 106b3b94faaSDavid Teigland return 0; 107c968f578SAndreas Gruenbacher } 108b3b94faaSDavid Teigland 109c968f578SAndreas Gruenbacher int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, 110c968f578SAndreas Gruenbacher unsigned int revokes) 111c968f578SAndreas Gruenbacher { 112c968f578SAndreas Gruenbacher struct gfs2_trans *tr; 113c968f578SAndreas Gruenbacher int error; 114c968f578SAndreas Gruenbacher 115c968f578SAndreas Gruenbacher tr = kmem_cache_zalloc(gfs2_trans_cachep, GFP_NOFS); 116c968f578SAndreas Gruenbacher if (!tr) 117c968f578SAndreas Gruenbacher return -ENOMEM; 118c968f578SAndreas Gruenbacher error = __gfs2_trans_begin(tr, sdp, blocks, revokes, _RET_IP_); 119c968f578SAndreas Gruenbacher if (error) 120b839dadaSBob Peterson kmem_cache_free(gfs2_trans_cachep, tr); 121b3b94faaSDavid Teigland return error; 122b3b94faaSDavid Teigland } 123b3b94faaSDavid Teigland 124b3b94faaSDavid Teigland void gfs2_trans_end(struct gfs2_sbd *sdp) 125b3b94faaSDavid Teigland { 126f4154ea0SSteven Whitehouse struct gfs2_trans *tr = current->journal_info; 127c50b91c4SSteven Whitehouse s64 nbuf; 1282e60d768SBenjamin Marzinski 1295c676f6dSSteven Whitehouse current->journal_info = NULL; 130b3b94faaSDavid Teigland 1319862ca05SBob Peterson if (!test_bit(TR_TOUCHED, &tr->tr_flags)) { 1322129b428SAndreas Gruenbacher gfs2_log_release_revokes(sdp, tr->tr_revokes); 133c1eba1b0SAndreas Gruenbacher up_read(&sdp->sd_log_flush_lock); 1342129b428SAndreas Gruenbacher gfs2_log_release(sdp, tr->tr_reserved); 135c968f578SAndreas Gruenbacher if (!test_bit(TR_ONSTACK, &tr->tr_flags)) 136b839dadaSBob Peterson gfs2_trans_free(sdp, tr); 13739263d5eSJan Kara sb_end_intwrite(sdp->sd_vfs); 138b3b94faaSDavid Teigland return; 139b3b94faaSDavid Teigland } 140b3b94faaSDavid Teigland 1412129b428SAndreas Gruenbacher gfs2_log_release_revokes(sdp, tr->tr_revokes - tr->tr_num_revoke); 1422129b428SAndreas Gruenbacher 143c50b91c4SSteven Whitehouse nbuf = tr->tr_num_buf_new + tr->tr_num_databuf_new; 144c50b91c4SSteven Whitehouse nbuf -= tr->tr_num_buf_rm; 145c50b91c4SSteven Whitehouse nbuf -= tr->tr_num_databuf_rm; 146c50b91c4SSteven Whitehouse 147625a8eddSAndreas Gruenbacher if (gfs2_assert_withdraw(sdp, nbuf <= tr->tr_blocks) || 148625a8eddSAndreas Gruenbacher gfs2_assert_withdraw(sdp, tr->tr_num_revoke <= tr->tr_revokes)) 149e54c78a2SBob Peterson gfs2_print_trans(sdp, tr); 150b3b94faaSDavid Teigland 151b3b94faaSDavid Teigland gfs2_log_commit(sdp, tr); 152c968f578SAndreas Gruenbacher if (!test_bit(TR_ONSTACK, &tr->tr_flags) && 153c968f578SAndreas Gruenbacher !test_bit(TR_ATTACHED, &tr->tr_flags)) 154b839dadaSBob Peterson gfs2_trans_free(sdp, tr); 15516ca9412SBenjamin Marzinski up_read(&sdp->sd_log_flush_lock); 156b3b94faaSDavid Teigland 1571751e8a6SLinus Torvalds if (sdp->sd_vfs->s_flags & SB_SYNCHRONOUS) 158805c0907SBob Peterson gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL | 159805c0907SBob Peterson GFS2_LFC_TRANS_END); 16039263d5eSJan Kara sb_end_intwrite(sdp->sd_vfs); 161b3b94faaSDavid Teigland } 162b3b94faaSDavid Teigland 163c76c4d96SSteven Whitehouse static struct gfs2_bufdata *gfs2_alloc_bufdata(struct gfs2_glock *gl, 164cbbe76c8SBob Peterson struct buffer_head *bh) 165c76c4d96SSteven Whitehouse { 166c76c4d96SSteven Whitehouse struct gfs2_bufdata *bd; 167c76c4d96SSteven Whitehouse 168c76c4d96SSteven Whitehouse bd = kmem_cache_zalloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL); 169c76c4d96SSteven Whitehouse bd->bd_bh = bh; 170c76c4d96SSteven Whitehouse bd->bd_gl = gl; 171c76c4d96SSteven Whitehouse INIT_LIST_HEAD(&bd->bd_list); 172*1a5a2cfdSBob Peterson INIT_LIST_HEAD(&bd->bd_ail_st_list); 173*1a5a2cfdSBob Peterson INIT_LIST_HEAD(&bd->bd_ail_gl_list); 174c76c4d96SSteven Whitehouse bh->b_private = bd; 175c76c4d96SSteven Whitehouse return bd; 176c76c4d96SSteven Whitehouse } 177c76c4d96SSteven Whitehouse 178b3b94faaSDavid Teigland /** 17945138990SSteven Whitehouse * gfs2_trans_add_data - Add a databuf to the transaction. 18045138990SSteven Whitehouse * @gl: The inode glock associated with the buffer 18145138990SSteven Whitehouse * @bh: The buffer to add 182b3b94faaSDavid Teigland * 183845802b1SAndreas Gruenbacher * This is used in journaled data mode. 184767f433fSSteven Whitehouse * We need to journal the data block in the same way as metadata in 185767f433fSSteven Whitehouse * the functions above. The difference is that here we have a tag 186767f433fSSteven Whitehouse * which is two __be64's being the block number (as per meta data) 187767f433fSSteven Whitehouse * and a flag which says whether the data block needs escaping or 188767f433fSSteven Whitehouse * not. This means we need a new log entry for each 251 or so data 189767f433fSSteven Whitehouse * blocks, which isn't an enormous overhead but twice as much as 190767f433fSSteven Whitehouse * for normal metadata blocks. 191b3b94faaSDavid Teigland */ 192767f433fSSteven Whitehouse void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh) 193767f433fSSteven Whitehouse { 19445138990SSteven Whitehouse struct gfs2_trans *tr = current->journal_info; 19515562c43SBob Peterson struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; 196b3b94faaSDavid Teigland struct gfs2_bufdata *bd; 197b3b94faaSDavid Teigland 19896e5d1d3SBenjamin Marzinski lock_buffer(bh); 199aacee720SBob Peterson if (buffer_pinned(bh)) { 200aacee720SBob Peterson set_bit(TR_TOUCHED, &tr->tr_flags); 201aacee720SBob Peterson goto out; 202aacee720SBob Peterson } 20396e5d1d3SBenjamin Marzinski gfs2_log_lock(sdp); 2045c676f6dSSteven Whitehouse bd = bh->b_private; 205c76c4d96SSteven Whitehouse if (bd == NULL) { 20696e5d1d3SBenjamin Marzinski gfs2_log_unlock(sdp); 20796e5d1d3SBenjamin Marzinski unlock_buffer(bh); 208c76c4d96SSteven Whitehouse if (bh->b_private == NULL) 209cbbe76c8SBob Peterson bd = gfs2_alloc_bufdata(gl, bh); 210491e94f7SBob Peterson else 211491e94f7SBob Peterson bd = bh->b_private; 21296e5d1d3SBenjamin Marzinski lock_buffer(bh); 21396e5d1d3SBenjamin Marzinski gfs2_log_lock(sdp); 214b3b94faaSDavid Teigland } 215c76c4d96SSteven Whitehouse gfs2_assert(sdp, bd->bd_gl == gl); 2169862ca05SBob Peterson set_bit(TR_TOUCHED, &tr->tr_flags); 21745138990SSteven Whitehouse if (list_empty(&bd->bd_list)) { 21845138990SSteven Whitehouse set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); 21945138990SSteven Whitehouse set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); 22045138990SSteven Whitehouse gfs2_pin(sdp, bd->bd_bh); 22145138990SSteven Whitehouse tr->tr_num_databuf_new++; 222d69a3c65SSteven Whitehouse list_add_tail(&bd->bd_list, &tr->tr_databuf); 22345138990SSteven Whitehouse } 22496e5d1d3SBenjamin Marzinski gfs2_log_unlock(sdp); 225aacee720SBob Peterson out: 22696e5d1d3SBenjamin Marzinski unlock_buffer(bh); 227b3b94faaSDavid Teigland } 228b3b94faaSDavid Teigland 229350a9b0aSSteven Whitehouse void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh) 230350a9b0aSSteven Whitehouse { 231767f433fSSteven Whitehouse 23215562c43SBob Peterson struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; 233767f433fSSteven Whitehouse struct gfs2_bufdata *bd; 234192738b7SBob Peterson struct gfs2_meta_header *mh; 235aacee720SBob Peterson struct gfs2_trans *tr = current->journal_info; 236192738b7SBob Peterson enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state); 237767f433fSSteven Whitehouse 238767f433fSSteven Whitehouse lock_buffer(bh); 239aacee720SBob Peterson if (buffer_pinned(bh)) { 240aacee720SBob Peterson set_bit(TR_TOUCHED, &tr->tr_flags); 241aacee720SBob Peterson goto out; 242aacee720SBob Peterson } 243767f433fSSteven Whitehouse gfs2_log_lock(sdp); 244767f433fSSteven Whitehouse bd = bh->b_private; 245c76c4d96SSteven Whitehouse if (bd == NULL) { 246767f433fSSteven Whitehouse gfs2_log_unlock(sdp); 247767f433fSSteven Whitehouse unlock_buffer(bh); 248c76c4d96SSteven Whitehouse lock_page(bh->b_page); 249c76c4d96SSteven Whitehouse if (bh->b_private == NULL) 250cbbe76c8SBob Peterson bd = gfs2_alloc_bufdata(gl, bh); 251491e94f7SBob Peterson else 252491e94f7SBob Peterson bd = bh->b_private; 253c76c4d96SSteven Whitehouse unlock_page(bh->b_page); 254767f433fSSteven Whitehouse lock_buffer(bh); 255767f433fSSteven Whitehouse gfs2_log_lock(sdp); 256767f433fSSteven Whitehouse } 257c76c4d96SSteven Whitehouse gfs2_assert(sdp, bd->bd_gl == gl); 258192738b7SBob Peterson set_bit(TR_TOUCHED, &tr->tr_flags); 259192738b7SBob Peterson if (!list_empty(&bd->bd_list)) 260192738b7SBob Peterson goto out_unlock; 261192738b7SBob Peterson set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); 262192738b7SBob Peterson set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); 263192738b7SBob Peterson mh = (struct gfs2_meta_header *)bd->bd_bh->b_data; 264192738b7SBob Peterson if (unlikely(mh->mh_magic != cpu_to_be32(GFS2_MAGIC))) { 265e54c78a2SBob Peterson fs_err(sdp, "Attempting to add uninitialised block to " 266e54c78a2SBob Peterson "journal (inplace block=%lld)\n", 267192738b7SBob Peterson (unsigned long long)bd->bd_bh->b_blocknr); 268192738b7SBob Peterson BUG(); 269192738b7SBob Peterson } 270192738b7SBob Peterson if (unlikely(state == SFS_FROZEN)) { 271e54c78a2SBob Peterson fs_info(sdp, "GFS2:adding buf while frozen\n"); 272192738b7SBob Peterson gfs2_assert_withdraw(sdp, 0); 273192738b7SBob Peterson } 2742ca0c2fbSBob Peterson if (unlikely(gfs2_withdrawn(sdp))) { 2752ca0c2fbSBob Peterson fs_info(sdp, "GFS2:adding buf while withdrawn! 0x%llx\n", 2762ca0c2fbSBob Peterson (unsigned long long)bd->bd_bh->b_blocknr); 2772ca0c2fbSBob Peterson } 278192738b7SBob Peterson gfs2_pin(sdp, bd->bd_bh); 279192738b7SBob Peterson mh->__pad0 = cpu_to_be64(0); 280192738b7SBob Peterson mh->mh_jid = cpu_to_be32(sdp->sd_jdesc->jd_jid); 281192738b7SBob Peterson list_add(&bd->bd_list, &tr->tr_buf); 282192738b7SBob Peterson tr->tr_num_buf_new++; 283192738b7SBob Peterson out_unlock: 284767f433fSSteven Whitehouse gfs2_log_unlock(sdp); 285aacee720SBob Peterson out: 286767f433fSSteven Whitehouse unlock_buffer(bh); 287350a9b0aSSteven Whitehouse } 288350a9b0aSSteven Whitehouse 2891ad38c43SSteven Whitehouse void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) 290b3b94faaSDavid Teigland { 29175f2b879SSteven Whitehouse struct gfs2_trans *tr = current->journal_info; 29275f2b879SSteven Whitehouse 293c0752aa7SBob Peterson BUG_ON(!list_empty(&bd->bd_list)); 2945d054964SBenjamin Marzinski gfs2_add_revoke(sdp, bd); 2959862ca05SBob Peterson set_bit(TR_TOUCHED, &tr->tr_flags); 29675f2b879SSteven Whitehouse tr->tr_num_revoke++; 297b3b94faaSDavid Teigland } 298b3b94faaSDavid Teigland 299fbb27873SAndreas Gruenbacher void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len) 300b3b94faaSDavid Teigland { 3015731be53SSteven Whitehouse struct gfs2_bufdata *bd, *tmp; 3025731be53SSteven Whitehouse unsigned int n = len; 303b3b94faaSDavid Teigland 304b3b94faaSDavid Teigland gfs2_log_lock(sdp); 305a5b1d3fcSAndreas Gruenbacher list_for_each_entry_safe(bd, tmp, &sdp->sd_log_revokes, bd_list) { 3065731be53SSteven Whitehouse if ((bd->bd_blkno >= blkno) && (bd->bd_blkno < (blkno + len))) { 307c0752aa7SBob Peterson list_del_init(&bd->bd_list); 308b3b94faaSDavid Teigland gfs2_assert_withdraw(sdp, sdp->sd_log_num_revoke); 309b3b94faaSDavid Teigland sdp->sd_log_num_revoke--; 310fe5e7ba1SBob Peterson if (bd->bd_gl) 311fe5e7ba1SBob Peterson gfs2_glock_remove_revoke(bd->bd_gl); 3125731be53SSteven Whitehouse kmem_cache_free(gfs2_bufdata_cachep, bd); 3132129b428SAndreas Gruenbacher gfs2_log_release_revokes(sdp, 1); 3145731be53SSteven Whitehouse if (--n == 0) 315b3b94faaSDavid Teigland break; 316b3b94faaSDavid Teigland } 317b3b94faaSDavid Teigland } 318b3b94faaSDavid Teigland gfs2_log_unlock(sdp); 319b3b94faaSDavid Teigland } 320b3b94faaSDavid Teigland 321b839dadaSBob Peterson void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr) 322b839dadaSBob Peterson { 323b839dadaSBob Peterson if (tr == NULL) 324b839dadaSBob Peterson return; 325b839dadaSBob Peterson 326b839dadaSBob Peterson gfs2_assert_warn(sdp, list_empty(&tr->tr_ail1_list)); 327b839dadaSBob Peterson gfs2_assert_warn(sdp, list_empty(&tr->tr_ail2_list)); 328b839dadaSBob Peterson gfs2_assert_warn(sdp, list_empty(&tr->tr_databuf)); 329b839dadaSBob Peterson gfs2_assert_warn(sdp, list_empty(&tr->tr_buf)); 330b839dadaSBob Peterson kmem_cache_free(gfs2_trans_cachep, tr); 331b839dadaSBob Peterson } 332