| /* |
| * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
| * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
| * |
| * This copyrighted material is made available to anyone wishing to use, |
| * modify, copy, or redistribute it subject to the terms and conditions |
| * of the GNU General Public License version 2. |
| */ |
| |
| #include <linux/spinlock.h> |
| #include <linux/completion.h> |
| #include <linux/buffer_head.h> |
| #include <linux/gfs2_ondisk.h> |
| #include <linux/bio.h> |
| #include <linux/posix_acl.h> |
| #include <linux/security.h> |
| |
| #include "gfs2.h" |
| #include "incore.h" |
| #include "bmap.h" |
| #include "glock.h" |
| #include "glops.h" |
| #include "inode.h" |
| #include "log.h" |
| #include "meta_io.h" |
| #include "recovery.h" |
| #include "rgrp.h" |
| #include "util.h" |
| #include "trans.h" |
| #include "dir.h" |
| |
| struct workqueue_struct *gfs2_freeze_wq; |
| |
| static void gfs2_ail_error(struct gfs2_glock *gl, const struct buffer_head *bh) |
| { |
| fs_err(gl->gl_name.ln_sbd, |
| "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", |
| 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_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) |
| * |
| * None of the buffers should be dirty, locked, or pinned. |
| */ |
| |
| static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync, |
| unsigned int nr_revokes) |
| { |
| struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; |
| struct list_head *head = &gl->gl_ail_list; |
| struct gfs2_bufdata *bd, *tmp; |
| struct buffer_head *bh; |
| const unsigned long b_state = (1UL << BH_Dirty)|(1UL << BH_Pinned)|(1UL << BH_Lock); |
| |
| gfs2_log_lock(sdp); |
| spin_lock(&sdp->sd_ail_lock); |
| list_for_each_entry_safe_reverse(bd, tmp, head, bd_ail_gl_list) { |
| if (nr_revokes == 0) |
| break; |
| bh = bd->bd_bh; |
| if (bh->b_state & b_state) { |
| if (fsync) |
| continue; |
| gfs2_ail_error(gl, bh); |
| } |
| gfs2_trans_add_revoke(sdp, bd); |
| nr_revokes--; |
| } |
| GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count)); |
| spin_unlock(&sdp->sd_ail_lock); |
| gfs2_log_unlock(sdp); |
| } |
| |
| |
| static void gfs2_ail_empty_gl(struct gfs2_glock *gl) |
| { |
| struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; |
| struct gfs2_trans tr; |
| |
| 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, sizeof(u64)); |
| 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); |
| |
| gfs2_trans_end(sdp); |
| gfs2_log_flush(sdp, NULL, NORMAL_FLUSH); |
| } |
| |
| 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); |
| if (ret) |
| return; |
| __gfs2_ail_flush(gl, fsync, max_revokes); |
| gfs2_trans_end(sdp); |
| gfs2_log_flush(sdp, NULL, NORMAL_FLUSH); |
| } |
| |
| /** |
| * rgrp_go_sync - sync out the metadata for this glock |
| * @gl: the glock |
| * |
| * Called when demoting or unlocking an EX glock. We must flush |
| * to disk all dirty buffers/pages relating to this glock, and must not |
| * return to caller to demote/unlock the glock until I/O is complete. |
| */ |
| |
| static void 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; |
| 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; |
| GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE); |
| |
| gfs2_log_flush(sdp, gl, NORMAL_FLUSH); |
| 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); |
| } |
| |
| /** |
| * rgrp_go_inval - invalidate the metadata for this glock |
| * @gl: the glock |
| * @flags: |
| * |
| * We never used LM_ST_DEFERRED with resource groups, so that we |
| * should always see the metadata flag set here. |
| * |
| */ |
| |
| 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); |
| |
| if (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); |
| |
| if (rgd) |
| rgd->rd_flags &= ~GFS2_RDF_UPTODATE; |
| } |
| |
| static struct gfs2_inode *gfs2_glock2inode(struct gfs2_glock *gl) |
| { |
| struct gfs2_inode *ip; |
| |
| spin_lock(&gl->gl_lockref.lock); |
| ip = gl->gl_object; |
| if (ip) |
| set_bit(GIF_GLOP_PENDING, &ip->i_flags); |
| spin_unlock(&gl->gl_lockref.lock); |
| return ip; |
| } |
| |
| struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl) |
| { |
| struct gfs2_rgrpd *rgd; |
| |
| spin_lock(&gl->gl_lockref.lock); |
| rgd = gl->gl_object; |
| spin_unlock(&gl->gl_lockref.lock); |
| |
| return rgd; |
| } |
| |
| static void gfs2_clear_glop_pending(struct gfs2_inode *ip) |
| { |
| if (!ip) |
| return; |
| |
| clear_bit_unlock(GIF_GLOP_PENDING, &ip->i_flags); |
| wake_up_bit(&ip->i_flags, GIF_GLOP_PENDING); |
| } |
| |
| /** |
| * inode_go_sync - Sync the dirty data and/or metadata for an inode glock |
| * @gl: the glock protecting the inode |
| * |
| */ |
| |
| static void 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; |
| |
| if (isreg) { |
| if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) |
| unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0); |
| inode_dio_wait(&ip->i_inode); |
| } |
| if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) |
| goto out; |
| |
| GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE); |
| |
| gfs2_log_flush(gl->gl_name.ln_sbd, gl, NORMAL_FLUSH); |
| filemap_fdatawrite(metamapping); |
| if (isreg) { |
| struct address_space *mapping = ip->i_inode.i_mapping; |
| filemap_fdatawrite(mapping); |
| error = filemap_fdatawait(mapping); |
| mapping_set_error(mapping, error); |
| } |
| error = filemap_fdatawait(metamapping); |
| mapping_set_error(metamapping, error); |
| gfs2_ail_empty_gl(gl); |
| /* |
| * Writeback of the data mapping may cause the dirty flag to be set |
| * so we have to clear it again here. |
| */ |
| smp_mb__before_atomic(); |
| clear_bit(GLF_DIRTY, &gl->gl_flags); |
| |
| out: |
| gfs2_clear_glop_pending(ip); |
| } |
| |
| /** |
| * inode_go_inval - prepare a inode glock to be released |
| * @gl: the glock |
| * @flags: |
| * |
| * Normally we invalidate everything, but if we are moving into |
| * LM_ST_DEFERRED from LM_ST_SHARED or LM_ST_EXCLUSIVE then we |
| * can keep hold of the metadata, since it won't have changed. |
| * |
| */ |
| |
| 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); |
| forget_all_cached_acls(&ip->i_inode); |
| security_inode_invalidate_secctx(&ip->i_inode); |
| gfs2_dir_hash_inval(ip); |
| } |
| } |
| |
| if (ip == GFS2_I(gl->gl_name.ln_sbd->sd_rindex)) { |
| gfs2_log_flush(gl->gl_name.ln_sbd, NULL, NORMAL_FLUSH); |
| gl->gl_name.ln_sbd->sd_rindex_uptodate = 0; |
| } |
| if (ip && S_ISREG(ip->i_inode.i_mode)) |
| truncate_inode_pages(ip->i_inode.i_mapping, 0); |
| |
| gfs2_clear_glop_pending(ip); |
| } |
| |
| /** |
| * inode_go_demote_ok - Check to see if it's ok to unlock an inode glock |
| * @gl: the glock |
| * |
| * Returns: 1 if it's ok |
| */ |
| |
| static int inode_go_demote_ok(const struct gfs2_glock *gl) |
| { |
| struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; |
| |
| if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object) |
| return 0; |
| |
| return 1; |
| } |
| |
| static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) |
| { |
| const struct gfs2_dinode *str = buf; |
| struct timespec atime; |
| u16 height, depth; |
| |
| if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) |
| 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; |
| }; |
| |
| i_uid_write(&ip->i_inode, be32_to_cpu(str->di_uid)); |
| i_gid_write(&ip->i_inode, be32_to_cpu(str->di_gid)); |
| set_nlink(&ip->i_inode, be32_to_cpu(str->di_nlink)); |
| i_size_write(&ip->i_inode, be64_to_cpu(str->di_size)); |
| gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); |
| atime.tv_sec = be64_to_cpu(str->di_atime); |
| atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); |
| if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0) |
| ip->i_inode.i_atime = atime; |
| ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime); |
| ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec); |
| ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime); |
| ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); |
| |
| ip->i_goal = be64_to_cpu(str->di_goal_meta); |
| ip->i_generation = be64_to_cpu(str->di_generation); |
| |
| ip->i_diskflags = be32_to_cpu(str->di_flags); |
| ip->i_eattr = be64_to_cpu(str->di_eattr); |
| /* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */ |
| gfs2_set_inode_flags(&ip->i_inode); |
| height = be16_to_cpu(str->di_height); |
| if (unlikely(height > GFS2_MAX_META_HEIGHT)) |
| goto corrupt; |
| ip->i_height = (u8)height; |
| |
| depth = be16_to_cpu(str->di_depth); |
| if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) |
| goto corrupt; |
| ip->i_depth = (u8)depth; |
| ip->i_entries = be32_to_cpu(str->di_entries); |
| |
| if (S_ISREG(ip->i_inode.i_mode)) |
| gfs2_set_aops(&ip->i_inode); |
| |
| return 0; |
| corrupt: |
| gfs2_consist_inode(ip); |
| return -EIO; |
| } |
| |
| /** |
| * gfs2_inode_refresh - Refresh the incore copy of the dinode |
| * @ip: The GFS2 inode |
| * |
| * Returns: errno |
| */ |
| |
| int gfs2_inode_refresh(struct gfs2_inode *ip) |
| { |
| struct buffer_head *dibh; |
| int error; |
| |
| error = gfs2_meta_inode_buffer(ip, &dibh); |
| if (error) |
| return error; |
| |
| 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: |
| * |
| * Returns: errno |
| */ |
| |
| static int inode_go_lock(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)) |
| 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; |
| } |
| |
| return error; |
| } |
| |
| /** |
| * inode_go_dump - print information about an inode |
| * @seq: The iterator |
| * @ip: the inode |
| * |
| */ |
| |
| static void inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) |
| { |
| const struct gfs2_inode *ip = gl->gl_object; |
| if (ip == NULL) |
| return; |
| gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%02lx d:0x%08x s:%llu\n", |
| (unsigned long long)ip->i_no_formal_ino, |
| (unsigned long long)ip->i_no_addr, |
| IF2DT(ip->i_inode.i_mode), ip->i_flags, |
| (unsigned int)ip->i_diskflags, |
| (unsigned long long)i_size_read(&ip->i_inode)); |
| } |
| |
| /** |
| * 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) |
| { |
| 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)) { |
| atomic_set(&sdp->sd_freeze_state, SFS_STARTING_FREEZE); |
| error = freeze_super(sdp->sd_vfs); |
| if (error) { |
| printk(KERN_INFO "GFS2: couldn't freeze filesystem: %d\n", error); |
| gfs2_assert_withdraw(sdp, 0); |
| } |
| queue_work(gfs2_freeze_wq, &sdp->sd_freeze_work); |
| gfs2_log_flush(sdp, NULL, FREEZE_FLUSH); |
| } |
| } |
| |
| /** |
| * 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) |
| { |
| struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; |
| struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode); |
| struct gfs2_glock *j_gl = ip->i_gl; |
| struct gfs2_log_header_host head; |
| int error; |
| |
| if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) { |
| j_gl->gl_ops->go_inval(j_gl, DIO_METADATA); |
| |
| error = gfs2_find_jhead(sdp->sd_jdesc, &head); |
| if (error) |
| gfs2_consist(sdp); |
| if (!(head.lh_flags & GFS2_LOG_HEAD_UNMOUNT)) |
| gfs2_consist(sdp); |
| |
| /* Initialize some head of the log stuff */ |
| if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) { |
| sdp->sd_log_sequence = head.lh_sequence + 1; |
| gfs2_log_pointers_init(sdp, head.lh_blkno); |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * trans_go_demote_ok |
| * @gl: the glock |
| * |
| * Always returns 0 |
| */ |
| |
| static int freeze_go_demote_ok(const struct gfs2_glock *gl) |
| { |
| return 0; |
| } |
| |
| /** |
| * iopen_go_callback - schedule the dcache entry for the inode to be deleted |
| * @gl: the glock |
| * |
| * gl_lockref.lock lock is held while calling this |
| */ |
| static void iopen_go_callback(struct gfs2_glock *gl, bool remote) |
| { |
| struct gfs2_inode *ip = gl->gl_object; |
| struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; |
| |
| if (!remote || (sdp->sd_vfs->s_flags & MS_RDONLY)) |
| return; |
| |
| 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) |
| gl->gl_lockref.count--; |
| } |
| } |
| |
| const struct gfs2_glock_operations gfs2_meta_glops = { |
| .go_type = LM_TYPE_META, |
| }; |
| |
| 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_dump = inode_go_dump, |
| .go_type = LM_TYPE_INODE, |
| .go_flags = GLOF_ASPACE | GLOF_LRU, |
| }; |
| |
| 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_type = LM_TYPE_RGRP, |
| .go_flags = GLOF_LVB, |
| }; |
| |
| const struct gfs2_glock_operations gfs2_freeze_glops = { |
| .go_sync = freeze_go_sync, |
| .go_xmote_bh = freeze_go_xmote_bh, |
| .go_demote_ok = freeze_go_demote_ok, |
| .go_type = LM_TYPE_NONDISK, |
| }; |
| |
| const struct gfs2_glock_operations gfs2_iopen_glops = { |
| .go_type = LM_TYPE_IOPEN, |
| .go_callback = iopen_go_callback, |
| .go_flags = GLOF_LRU, |
| }; |
| |
| const struct gfs2_glock_operations gfs2_flock_glops = { |
| .go_type = LM_TYPE_FLOCK, |
| .go_flags = GLOF_LRU, |
| }; |
| |
| const struct gfs2_glock_operations gfs2_nondisk_glops = { |
| .go_type = LM_TYPE_NONDISK, |
| }; |
| |
| const struct gfs2_glock_operations gfs2_quota_glops = { |
| .go_type = LM_TYPE_QUOTA, |
| .go_flags = GLOF_LVB | GLOF_LRU, |
| }; |
| |
| const struct gfs2_glock_operations gfs2_journal_glops = { |
| .go_type = LM_TYPE_JOURNAL, |
| }; |
| |
| const struct gfs2_glock_operations *gfs2_glops_list[] = { |
| [LM_TYPE_META] = &gfs2_meta_glops, |
| [LM_TYPE_INODE] = &gfs2_inode_glops, |
| [LM_TYPE_RGRP] = &gfs2_rgrp_glops, |
| [LM_TYPE_IOPEN] = &gfs2_iopen_glops, |
| [LM_TYPE_FLOCK] = &gfs2_flock_glops, |
| [LM_TYPE_NONDISK] = &gfs2_nondisk_glops, |
| [LM_TYPE_QUOTA] = &gfs2_quota_glops, |
| [LM_TYPE_JOURNAL] = &gfs2_journal_glops, |
| }; |
| |