diff options
Diffstat (limited to 'fs/gfs2/glops.c')
| -rw-r--r-- | fs/gfs2/glops.c | 402 |
1 files changed, 277 insertions, 125 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 061d22e1ceb6..49210a2e7ce7 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -29,23 +29,29 @@ struct workqueue_struct *gfs2_freeze_wq; +extern struct workqueue_struct *gfs2_control_wq; + static void gfs2_ail_error(struct gfs2_glock *gl, const struct buffer_head *bh) { - fs_err(gl->gl_name.ln_sbd, + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + + fs_err(sdp, "AIL buffer %p: blocknr %llu state 0x%08lx mapping %p page " "state 0x%lx\n", bh, (unsigned long long)bh->b_blocknr, bh->b_state, bh->b_page->mapping, bh->b_page->flags); - fs_err(gl->gl_name.ln_sbd, "AIL glock %u:%llu mapping %p\n", + fs_err(sdp, "AIL glock %u:%llu mapping %p\n", gl->gl_name.ln_type, gl->gl_name.ln_number, gfs2_glock2aspace(gl)); - gfs2_lm_withdraw(gl->gl_name.ln_sbd, "AIL error\n"); + gfs2_lm(sdp, "AIL error\n"); + gfs2_withdraw_delayed(sdp); } /** * __gfs2_ail_flush - remove all buffers for a given lock from the AIL * @gl: the glock * @fsync: set when called from fsync (not all buffers will be clean) + * @nr_revokes: Number of buffers to revoke * * None of the buffers should be dirty, locked, or pinned. */ @@ -79,59 +85,100 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync, } -static void gfs2_ail_empty_gl(struct gfs2_glock *gl) +static int gfs2_ail_empty_gl(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; struct gfs2_trans tr; + unsigned int revokes; + int ret; - memset(&tr, 0, sizeof(tr)); - INIT_LIST_HEAD(&tr.tr_buf); - INIT_LIST_HEAD(&tr.tr_databuf); - tr.tr_revokes = atomic_read(&gl->gl_ail_count); - - if (!tr.tr_revokes) - return; - - /* A shortened, inline version of gfs2_trans_begin() - * tr->alloced is not set since the transaction structure is - * on the stack */ - tr.tr_reserved = 1 + gfs2_struct2blk(sdp, tr.tr_revokes); - tr.tr_ip = _RET_IP_; - if (gfs2_log_reserve(sdp, tr.tr_reserved) < 0) - return; - WARN_ON_ONCE(current->journal_info); - current->journal_info = &tr; - - __gfs2_ail_flush(gl, 0, tr.tr_revokes); + revokes = atomic_read(&gl->gl_ail_count); + + if (!revokes) { + bool have_revokes; + bool log_in_flight; + + /* + * We have nothing on the ail, but there could be revokes on + * the sdp revoke queue, in which case, we still want to flush + * the log and wait for it to finish. + * + * If the sdp revoke list is empty too, we might still have an + * io outstanding for writing revokes, so we should wait for + * it before returning. + * + * If none of these conditions are true, our revokes are all + * flushed and we can return. + */ + gfs2_log_lock(sdp); + have_revokes = !list_empty(&sdp->sd_log_revokes); + log_in_flight = atomic_read(&sdp->sd_log_in_flight); + gfs2_log_unlock(sdp); + if (have_revokes) + goto flush; + if (log_in_flight) + log_flush_wait(sdp); + return 0; + } + memset(&tr, 0, sizeof(tr)); + set_bit(TR_ONSTACK, &tr.tr_flags); + ret = __gfs2_trans_begin(&tr, sdp, 0, revokes, _RET_IP_); + if (ret) + goto flush; + __gfs2_ail_flush(gl, 0, revokes); gfs2_trans_end(sdp); + +flush: gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL | GFS2_LFC_AIL_EMPTY_GL); + return 0; } void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; unsigned int revokes = atomic_read(&gl->gl_ail_count); - unsigned int max_revokes = (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_log_descriptor)) / sizeof(u64); int ret; if (!revokes) return; - while (revokes > max_revokes) - max_revokes += (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header)) / sizeof(u64); - - ret = gfs2_trans_begin(sdp, 0, max_revokes); + ret = gfs2_trans_begin(sdp, 0, revokes); if (ret) return; - __gfs2_ail_flush(gl, fsync, max_revokes); + __gfs2_ail_flush(gl, fsync, revokes); gfs2_trans_end(sdp); gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL | GFS2_LFC_AIL_FLUSH); } /** + * gfs2_rgrp_metasync - sync out the metadata of a resource group + * @gl: the glock protecting the resource group + * + */ + +static int gfs2_rgrp_metasync(struct gfs2_glock *gl) +{ + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + struct address_space *metamapping = &sdp->sd_aspace; + struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); + const unsigned bsize = sdp->sd_sb.sb_bsize; + loff_t start = (rgd->rd_addr * bsize) & PAGE_MASK; + loff_t end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1; + int error; + + filemap_fdatawrite_range(metamapping, start, end); + error = filemap_fdatawait_range(metamapping, start, end); + WARN_ON_ONCE(error && !gfs2_withdrawn(sdp)); + mapping_set_error(metamapping, error); + if (error) + gfs2_io_error(sdp); + return error; +} + +/** * rgrp_go_sync - sync out the metadata for this glock * @gl: the glock * @@ -140,35 +187,23 @@ void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync) * return to caller to demote/unlock the glock until I/O is complete. */ -static void rgrp_go_sync(struct gfs2_glock *gl) +static int rgrp_go_sync(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; - struct address_space *mapping = &sdp->sd_aspace; - struct gfs2_rgrpd *rgd; + struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); int error; - spin_lock(&gl->gl_lockref.lock); - rgd = gl->gl_object; - if (rgd) - gfs2_rgrp_brelse(rgd); - spin_unlock(&gl->gl_lockref.lock); - if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) - return; + return 0; GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE); gfs2_log_flush(sdp, gl, GFS2_LOG_HEAD_FLUSH_NORMAL | GFS2_LFC_RGRP_GO_SYNC); - filemap_fdatawrite_range(mapping, gl->gl_vm.start, gl->gl_vm.end); - error = filemap_fdatawait_range(mapping, gl->gl_vm.start, gl->gl_vm.end); - mapping_set_error(mapping, error); - gfs2_ail_empty_gl(gl); - - spin_lock(&gl->gl_lockref.lock); - rgd = gl->gl_object; - if (rgd) - gfs2_free_clones(rgd); - spin_unlock(&gl->gl_lockref.lock); + error = gfs2_rgrp_metasync(gl); + if (!error) + error = gfs2_ail_empty_gl(gl); + gfs2_free_clones(rgd); + return error; } /** @@ -186,16 +221,22 @@ static void rgrp_go_inval(struct gfs2_glock *gl, int flags) struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; struct address_space *mapping = &sdp->sd_aspace; struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); + const unsigned bsize = sdp->sd_sb.sb_bsize; + loff_t start = (rgd->rd_addr * bsize) & PAGE_MASK; + loff_t end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1; - if (rgd) - gfs2_rgrp_brelse(rgd); - + gfs2_rgrp_brelse(rgd); WARN_ON_ONCE(!(flags & DIO_METADATA)); - gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count)); - truncate_inode_pages_range(mapping, gl->gl_vm.start, gl->gl_vm.end); + truncate_inode_pages_range(mapping, start, end); +} + +static void gfs2_rgrp_go_dump(struct seq_file *seq, struct gfs2_glock *gl, + const char *fs_id_buf) +{ + struct gfs2_rgrpd *rgd = gl->gl_object; if (rgd) - rgd->rd_flags &= ~GFS2_RDF_UPTODATE; + gfs2_rgrp_dump(seq, rgd, fs_id_buf); } static struct gfs2_inode *gfs2_glock2inode(struct gfs2_glock *gl) @@ -231,17 +272,34 @@ static void gfs2_clear_glop_pending(struct gfs2_inode *ip) } /** - * inode_go_sync - Sync the dirty data and/or metadata for an inode glock + * gfs2_inode_metasync - sync out the metadata of an inode + * @gl: the glock protecting the inode + * + */ +int gfs2_inode_metasync(struct gfs2_glock *gl) +{ + struct address_space *metamapping = gfs2_glock2aspace(gl); + int error; + + filemap_fdatawrite(metamapping); + error = filemap_fdatawait(metamapping); + if (error) + gfs2_io_error(gl->gl_name.ln_sbd); + return error; +} + +/** + * inode_go_sync - Sync the dirty metadata of an inode * @gl: the glock protecting the inode * */ -static void inode_go_sync(struct gfs2_glock *gl) +static int inode_go_sync(struct gfs2_glock *gl) { struct gfs2_inode *ip = gfs2_glock2inode(gl); int isreg = ip && S_ISREG(ip->i_inode.i_mode); struct address_space *metamapping = gfs2_glock2aspace(gl); - int error; + int error = 0, ret; if (isreg) { if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) @@ -262,8 +320,9 @@ static void inode_go_sync(struct gfs2_glock *gl) error = filemap_fdatawait(mapping); mapping_set_error(mapping, error); } - error = filemap_fdatawait(metamapping); - mapping_set_error(metamapping, error); + ret = gfs2_inode_metasync(gl); + if (!error) + error = ret; gfs2_ail_empty_gl(gl); /* * Writeback of the data mapping may cause the dirty flag to be set @@ -274,6 +333,7 @@ static void inode_go_sync(struct gfs2_glock *gl) out: gfs2_clear_glop_pending(ip); + return error; } /** @@ -291,13 +351,11 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags) { struct gfs2_inode *ip = gfs2_glock2inode(gl); - gfs2_assert_withdraw(gl->gl_name.ln_sbd, !atomic_read(&gl->gl_ail_count)); - if (flags & DIO_METADATA) { struct address_space *mapping = gfs2_glock2aspace(gl); truncate_inode_pages(mapping, 0); if (ip) { - set_bit(GIF_INVALID, &ip->i_flags); + set_bit(GLF_INSTANTIATE_NEEDED, &gl->gl_flags); forget_all_cached_acls(&ip->i_inode); security_inode_invalidate_secctx(&ip->i_inode); gfs2_dir_hash_inval(ip); @@ -338,18 +396,24 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) const struct gfs2_dinode *str = buf; struct timespec64 atime; u16 height, depth; + umode_t mode = be32_to_cpu(str->di_mode); + bool is_new = ip->i_inode.i_state & I_NEW; if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) goto corrupt; + if (unlikely(!is_new && inode_wrong_type(&ip->i_inode, mode))) + goto corrupt; ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino); - ip->i_inode.i_mode = be32_to_cpu(str->di_mode); - ip->i_inode.i_rdev = 0; - switch (ip->i_inode.i_mode & S_IFMT) { - case S_IFBLK: - case S_IFCHR: - ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major), - be32_to_cpu(str->di_minor)); - break; + ip->i_inode.i_mode = mode; + if (is_new) { + ip->i_inode.i_rdev = 0; + switch (mode & S_IFMT) { + case S_IFBLK: + case S_IFCHR: + ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major), + be32_to_cpu(str->di_minor)); + break; + } } i_uid_write(&ip->i_inode, be32_to_cpu(str->di_uid)); @@ -411,48 +475,42 @@ int gfs2_inode_refresh(struct gfs2_inode *ip) error = gfs2_dinode_in(ip, dibh->b_data); brelse(dibh); - clear_bit(GIF_INVALID, &ip->i_flags); - return error; } /** - * inode_go_lock - operation done after an inode lock is locked by a process - * @gl: the glock - * @flags: + * inode_go_instantiate - read in an inode if necessary + * @gh: The glock holder * * Returns: errno */ -static int inode_go_lock(struct gfs2_holder *gh) +static int inode_go_instantiate(struct gfs2_glock *gl) +{ + struct gfs2_inode *ip = gl->gl_object; + + if (!ip) /* no inode to populate - read it in later */ + return 0; + + return gfs2_inode_refresh(ip); +} + +static int inode_go_held(struct gfs2_holder *gh) { struct gfs2_glock *gl = gh->gh_gl; - struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; struct gfs2_inode *ip = gl->gl_object; int error = 0; - if (!ip || (gh->gh_flags & GL_SKIP)) + if (!ip) /* no inode to populate - read it in later */ return 0; - if (test_bit(GIF_INVALID, &ip->i_flags)) { - error = gfs2_inode_refresh(ip); - if (error) - return error; - } - if (gh->gh_state != LM_ST_DEFERRED) inode_dio_wait(&ip->i_inode); if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) && (gl->gl_state == LM_ST_EXCLUSIVE) && - (gh->gh_state == LM_ST_EXCLUSIVE)) { - spin_lock(&sdp->sd_trunc_lock); - if (list_empty(&ip->i_trunc_list)) - list_add(&ip->i_trunc_list, &sdp->sd_trunc_list); - spin_unlock(&sdp->sd_trunc_lock); - wake_up(&sdp->sd_quota_wait); - return 1; - } + (gh->gh_state == LM_ST_EXCLUSIVE)) + error = gfs2_truncatei_resume(ip); return error; } @@ -460,7 +518,7 @@ static int inode_go_lock(struct gfs2_holder *gh) /** * inode_go_dump - print information about an inode * @seq: The iterator - * @ip: the inode + * @gl: The glock * @fs_id_buf: file system id (may be empty) * */ @@ -491,38 +549,52 @@ static void inode_go_dump(struct seq_file *seq, struct gfs2_glock *gl, /** * freeze_go_sync - promote/demote the freeze glock * @gl: the glock - * @state: the requested state - * @flags: - * */ -static void freeze_go_sync(struct gfs2_glock *gl) +static int freeze_go_sync(struct gfs2_glock *gl) { int error = 0; struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; - if (gl->gl_state == LM_ST_SHARED && - test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) { + /* + * We need to check gl_state == LM_ST_SHARED here and not gl_req == + * LM_ST_EXCLUSIVE. That's because when any node does a freeze, + * all the nodes should have the freeze glock in SH mode and they all + * call do_xmote: One for EX and the others for UN. They ALL must + * freeze locally, and they ALL must queue freeze work. The freeze_work + * calls freeze_func, which tries to reacquire the freeze glock in SH, + * effectively waiting for the thaw on the node who holds it in EX. + * Once thawed, the work func acquires the freeze glock in + * SH and everybody goes back to thawed. + */ + if (gl->gl_state == LM_ST_SHARED && !gfs2_withdrawn(sdp) && + !test_bit(SDF_NORECOVERY, &sdp->sd_flags)) { atomic_set(&sdp->sd_freeze_state, SFS_STARTING_FREEZE); error = freeze_super(sdp->sd_vfs); if (error) { fs_info(sdp, "GFS2: couldn't freeze filesystem: %d\n", error); + if (gfs2_withdrawn(sdp)) { + atomic_set(&sdp->sd_freeze_state, SFS_UNFROZEN); + return 0; + } gfs2_assert_withdraw(sdp, 0); } queue_work(gfs2_freeze_wq, &sdp->sd_freeze_work); - gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE | - GFS2_LFC_FREEZE_GO_SYNC); + if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) + gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE | + GFS2_LFC_FREEZE_GO_SYNC); + else /* read-only mounts */ + atomic_set(&sdp->sd_freeze_state, SFS_FROZEN); } + return 0; } /** * freeze_go_xmote_bh - After promoting/demoting the freeze glock * @gl: the glock - * */ - -static int freeze_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh) +static int freeze_go_xmote_bh(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode); @@ -534,22 +606,19 @@ static int freeze_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh) j_gl->gl_ops->go_inval(j_gl, DIO_METADATA); error = gfs2_find_jhead(sdp->sd_jdesc, &head, false); - if (error) - gfs2_consist(sdp); - if (!(head.lh_flags & GFS2_LOG_HEAD_UNMOUNT)) - gfs2_consist(sdp); - - /* Initialize some head of the log stuff */ - if (!gfs2_withdrawn(sdp)) { - sdp->sd_log_sequence = head.lh_sequence + 1; - gfs2_log_pointers_init(sdp, head.lh_blkno); - } + if (gfs2_assert_withdraw_delayed(sdp, !error)) + return error; + if (gfs2_assert_withdraw_delayed(sdp, head.lh_flags & + GFS2_LOG_HEAD_UNMOUNT)) + return -EIO; + sdp->sd_log_sequence = head.lh_sequence + 1; + gfs2_log_pointers_init(sdp, head.lh_blkno); } return 0; } /** - * trans_go_demote_ok + * freeze_go_demote_ok * @gl: the glock * * Always returns 0 @@ -563,6 +632,7 @@ static int freeze_go_demote_ok(const struct gfs2_glock *gl) /** * iopen_go_callback - schedule the dcache entry for the inode to be deleted * @gl: the glock + * @remote: true if this came from a different cluster node * * gl_lockref.lock lock is held while calling this */ @@ -577,31 +647,106 @@ static void iopen_go_callback(struct gfs2_glock *gl, bool remote) if (gl->gl_demote_state == LM_ST_UNLOCKED && gl->gl_state == LM_ST_SHARED && ip) { gl->gl_lockref.count++; - if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0) + if (!queue_delayed_work(gfs2_delete_workqueue, + &gl->gl_delete, 0)) gl->gl_lockref.count--; } } +static int iopen_go_demote_ok(const struct gfs2_glock *gl) +{ + return !gfs2_delete_work_queued(gl); +} + +/** + * inode_go_free - wake up anyone waiting for dlm's unlock ast to free it + * @gl: glock being freed + * + * For now, this is only used for the journal inode glock. In withdraw + * situations, we need to wait for the glock to be freed so that we know + * other nodes may proceed with recovery / journal replay. + */ +static void inode_go_free(struct gfs2_glock *gl) +{ + /* Note that we cannot reference gl_object because it's already set + * to NULL by this point in its lifecycle. */ + if (!test_bit(GLF_FREEING, &gl->gl_flags)) + return; + clear_bit_unlock(GLF_FREEING, &gl->gl_flags); + wake_up_bit(&gl->gl_flags, GLF_FREEING); +} + +/** + * nondisk_go_callback - used to signal when a node did a withdraw + * @gl: the nondisk glock + * @remote: true if this came from a different cluster node + * + */ +static void nondisk_go_callback(struct gfs2_glock *gl, bool remote) +{ + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + + /* Ignore the callback unless it's from another node, and it's the + live lock. */ + if (!remote || gl->gl_name.ln_number != GFS2_LIVE_LOCK) + return; + + /* First order of business is to cancel the demote request. We don't + * really want to demote a nondisk glock. At best it's just to inform + * us of another node's withdraw. We'll keep it in SH mode. */ + clear_bit(GLF_DEMOTE, &gl->gl_flags); + clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags); + + /* Ignore the unlock if we're withdrawn, unmounting, or in recovery. */ + if (test_bit(SDF_NORECOVERY, &sdp->sd_flags) || + test_bit(SDF_WITHDRAWN, &sdp->sd_flags) || + test_bit(SDF_REMOTE_WITHDRAW, &sdp->sd_flags)) + return; + + /* We only care when a node wants us to unlock, because that means + * they want a journal recovered. */ + if (gl->gl_demote_state != LM_ST_UNLOCKED) + return; + + if (sdp->sd_args.ar_spectator) { + fs_warn(sdp, "Spectator node cannot recover journals.\n"); + return; + } + + fs_warn(sdp, "Some node has withdrawn; checking for recovery.\n"); + set_bit(SDF_REMOTE_WITHDRAW, &sdp->sd_flags); + /* + * We can't call remote_withdraw directly here or gfs2_recover_journal + * because this is called from the glock unlock function and the + * remote_withdraw needs to enqueue and dequeue the same "live" glock + * we were called from. So we queue it to the control work queue in + * lock_dlm. + */ + queue_delayed_work(gfs2_control_wq, &sdp->sd_control_work, 0); +} + const struct gfs2_glock_operations gfs2_meta_glops = { .go_type = LM_TYPE_META, + .go_flags = GLOF_NONDISK, }; const struct gfs2_glock_operations gfs2_inode_glops = { .go_sync = inode_go_sync, .go_inval = inode_go_inval, .go_demote_ok = inode_go_demote_ok, - .go_lock = inode_go_lock, + .go_instantiate = inode_go_instantiate, + .go_held = inode_go_held, .go_dump = inode_go_dump, .go_type = LM_TYPE_INODE, - .go_flags = GLOF_ASPACE | GLOF_LRU, + .go_flags = GLOF_ASPACE | GLOF_LRU | GLOF_LVB, + .go_free = inode_go_free, }; const struct gfs2_glock_operations gfs2_rgrp_glops = { .go_sync = rgrp_go_sync, .go_inval = rgrp_go_inval, - .go_lock = gfs2_rgrp_go_lock, - .go_unlock = gfs2_rgrp_go_unlock, - .go_dump = gfs2_rgrp_dump, + .go_instantiate = gfs2_rgrp_go_instantiate, + .go_dump = gfs2_rgrp_go_dump, .go_type = LM_TYPE_RGRP, .go_flags = GLOF_LVB, }; @@ -611,30 +756,37 @@ const struct gfs2_glock_operations gfs2_freeze_glops = { .go_xmote_bh = freeze_go_xmote_bh, .go_demote_ok = freeze_go_demote_ok, .go_type = LM_TYPE_NONDISK, + .go_flags = GLOF_NONDISK, }; const struct gfs2_glock_operations gfs2_iopen_glops = { .go_type = LM_TYPE_IOPEN, .go_callback = iopen_go_callback, - .go_flags = GLOF_LRU, + .go_dump = inode_go_dump, + .go_demote_ok = iopen_go_demote_ok, + .go_flags = GLOF_LRU | GLOF_NONDISK, + .go_subclass = 1, }; const struct gfs2_glock_operations gfs2_flock_glops = { .go_type = LM_TYPE_FLOCK, - .go_flags = GLOF_LRU, + .go_flags = GLOF_LRU | GLOF_NONDISK, }; const struct gfs2_glock_operations gfs2_nondisk_glops = { .go_type = LM_TYPE_NONDISK, + .go_flags = GLOF_NONDISK, + .go_callback = nondisk_go_callback, }; const struct gfs2_glock_operations gfs2_quota_glops = { .go_type = LM_TYPE_QUOTA, - .go_flags = GLOF_LVB | GLOF_LRU, + .go_flags = GLOF_LVB | GLOF_LRU | GLOF_NONDISK, }; const struct gfs2_glock_operations gfs2_journal_glops = { .go_type = LM_TYPE_JOURNAL, + .go_flags = GLOF_NONDISK, }; const struct gfs2_glock_operations *gfs2_glops_list[] = { |