--- zzzz-none-000/linux-3.10.107/fs/ocfs2/super.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/fs/ocfs2/super.c 2021-02-04 17:41:59.000000000 +0000 @@ -68,7 +68,6 @@ #include "super.h" #include "sysfile.h" #include "uptodate.h" -#include "ver.h" #include "xattr.h" #include "quota.h" #include "refcounttree.h" @@ -76,7 +75,7 @@ #include "buffer_head_io.h" -static struct kmem_cache *ocfs2_inode_cachep = NULL; +static struct kmem_cache *ocfs2_inode_cachep; struct kmem_cache *ocfs2_dquot_cachep; struct kmem_cache *ocfs2_qf_chunk_cachep; @@ -86,10 +85,11 @@ * workqueue and schedule on our own. */ struct workqueue_struct *ocfs2_wq = NULL; -static struct dentry *ocfs2_debugfs_root = NULL; +static struct dentry *ocfs2_debugfs_root; MODULE_AUTHOR("Oracle"); MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("OCFS2 cluster file system"); struct mount_options { @@ -143,6 +143,11 @@ static int ocfs2_enable_quotas(struct ocfs2_super *osb); static void ocfs2_disable_quotas(struct ocfs2_super *osb); +static struct dquot **ocfs2_get_dquots(struct inode *inode) +{ + return OCFS2_I(inode)->i_dquot; +} + static const struct super_operations ocfs2_sops = { .statfs = ocfs2_statfs, .alloc_inode = ocfs2_alloc_inode, @@ -155,6 +160,7 @@ .show_options = ocfs2_show_options, .quota_read = ocfs2_quota_read, .quota_write = ocfs2_quota_write, + .get_dquots = ocfs2_get_dquots, }; enum { @@ -185,6 +191,8 @@ Opt_coherency_full, Opt_resv_level, Opt_dir_resv_level, + Opt_journal_async_commit, + Opt_err_cont, Opt_err, }; @@ -216,6 +224,8 @@ {Opt_coherency_full, "coherency=full"}, {Opt_resv_level, "resv_level=%u"}, {Opt_dir_resv_level, "dir_resv_level=%u"}, + {Opt_journal_async_commit, "journal_async_commit"}, + {Opt_err_cont, "errors=continue"}, {Opt_err, NULL} }; @@ -286,10 +296,9 @@ spin_unlock(&osb->osb_lock); out += snprintf(buf + out, len - out, - "%10s => Pid: %d Interval: %lu Needs: %d\n", "Commit", + "%10s => Pid: %d Interval: %lu\n", "Commit", (osb->commit_task ? task_pid_nr(osb->commit_task) : -1), - osb->osb_commit_interval, - atomic_read(&osb->needs_checkpoint)); + osb->osb_commit_interval); out += snprintf(buf + out, len - out, "%10s => State: %d TxnId: %lu NumTxns: %d\n", @@ -562,6 +571,10 @@ if (!oi) return NULL; + oi->i_sync_tid = 0; + oi->i_datasync_tid = 0; + memset(&oi->i_dquot, 0, sizeof(oi->i_dquot)); + jbd2_journal_init_jbd_inode(&oi->ip_jinode, &oi->vfs_inode); return &oi->vfs_inode; } @@ -632,6 +645,8 @@ struct ocfs2_super *osb = OCFS2_SB(sb); u32 tmp; + sync_filesystem(sb); + if (!ocfs2_parse_options(sb, data, &parsed_options, 1) || !ocfs2_check_set_options(sb, &parsed_options)) { ret = -EINVAL; @@ -895,11 +910,12 @@ { int type; struct super_block *sb = osb->sb; - unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, - OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + unsigned int feature[OCFS2_MAXQUOTAS] = { + OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; int status = 0; - for (type = 0; type < MAXQUOTAS; type++) { + for (type = 0; type < OCFS2_MAXQUOTAS; type++) { if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) continue; if (unsuspend) @@ -923,17 +939,19 @@ static int ocfs2_enable_quotas(struct ocfs2_super *osb) { - struct inode *inode[MAXQUOTAS] = { NULL, NULL }; + struct inode *inode[OCFS2_MAXQUOTAS] = { NULL, NULL }; struct super_block *sb = osb->sb; - unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, - OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; - unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + unsigned int feature[OCFS2_MAXQUOTAS] = { + OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + unsigned int ino[OCFS2_MAXQUOTAS] = { + LOCAL_USER_QUOTA_SYSTEM_INODE, LOCAL_GROUP_QUOTA_SYSTEM_INODE }; int status; int type; sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NEGATIVE_USAGE; - for (type = 0; type < MAXQUOTAS; type++) { + for (type = 0; type < OCFS2_MAXQUOTAS; type++) { if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) continue; inode[type] = ocfs2_get_system_file_inode(osb, ino[type], @@ -948,12 +966,12 @@ goto out_quota_off; } - for (type = 0; type < MAXQUOTAS; type++) + for (type = 0; type < OCFS2_MAXQUOTAS; type++) iput(inode[type]); return 0; out_quota_off: ocfs2_disable_quotas(osb); - for (type = 0; type < MAXQUOTAS; type++) + for (type = 0; type < OCFS2_MAXQUOTAS; type++) iput(inode[type]); mlog_errno(status); return status; @@ -968,7 +986,7 @@ /* We mostly ignore errors in this function because there's not much * we can do when we see them */ - for (type = 0; type < MAXQUOTAS; type++) { + for (type = 0; type < OCFS2_MAXQUOTAS; type++) { if (!sb_has_quota_loaded(sb, type)) continue; /* Cancel periodic syncing before we grab dqonoff_mutex */ @@ -986,35 +1004,6 @@ } } -/* Handle quota on quotactl */ -static int ocfs2_quota_on(struct super_block *sb, int type, int format_id) -{ - unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, - OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; - - if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) - return -EINVAL; - - return dquot_enable(sb_dqopt(sb)->files[type], type, - format_id, DQUOT_LIMITS_ENABLED); -} - -/* Handle quota off quotactl */ -static int ocfs2_quota_off(struct super_block *sb, int type) -{ - return dquot_disable(sb, type, DQUOT_LIMITS_ENABLED); -} - -static const struct quotactl_ops ocfs2_quotactl_ops = { - .quota_on_meta = ocfs2_quota_on, - .quota_off = ocfs2_quota_off, - .quota_sync = dquot_quota_sync, - .get_info = dquot_get_dqinfo, - .set_info = dquot_set_dqinfo, - .get_dqblk = dquot_get_dqblk, - .set_dqblk = dquot_set_dqblk, -}; - static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) { struct dentry *root; @@ -1023,7 +1012,7 @@ struct inode *inode = NULL; struct ocfs2_super *osb = NULL; struct buffer_head *bh = NULL; - char nodestr[8]; + char nodestr[12]; struct ocfs2_blockcheck_stats stats; trace_ocfs2_fill_super(sb, data, silent); @@ -1239,30 +1228,11 @@ return mount_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super); } -static void ocfs2_kill_sb(struct super_block *sb) -{ - struct ocfs2_super *osb = OCFS2_SB(sb); - - /* Failed mount? */ - if (!osb || atomic_read(&osb->vol_state) == VOLUME_DISABLED) - goto out; - - /* Prevent further queueing of inode drop events */ - spin_lock(&dentry_list_lock); - ocfs2_set_osb_flag(osb, OCFS2_OSB_DROP_DENTRY_LOCK_IMMED); - spin_unlock(&dentry_list_lock); - /* Wait for work to finish and/or remove it */ - cancel_work_sync(&osb->dentry_lock_work); -out: - kill_block_super(sb); -} - static struct file_system_type ocfs2_fs_type = { .owner = THIS_MODULE, .name = "ocfs2", .mount = ocfs2_mount, - .kill_sb = ocfs2_kill_sb, - + .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE, .next = NULL }; @@ -1362,10 +1332,19 @@ mopt->mount_opt |= OCFS2_MOUNT_NOINTR; break; case Opt_err_panic: + mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_CONT; + mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_ROFS; mopt->mount_opt |= OCFS2_MOUNT_ERRORS_PANIC; break; case Opt_err_ro: + mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_CONT; + mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_PANIC; + mopt->mount_opt |= OCFS2_MOUNT_ERRORS_ROFS; + break; + case Opt_err_cont: + mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_ROFS; mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_PANIC; + mopt->mount_opt |= OCFS2_MOUNT_ERRORS_CONT; break; case Opt_data_ordered: mopt->mount_opt &= ~OCFS2_MOUNT_DATA_WRITEBACK; @@ -1504,6 +1483,9 @@ option < OCFS2_MAX_RESV_LEVEL) mopt->dir_resv_level = option; break; + case Opt_journal_async_commit: + mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT; + break; default: mlog(ML_ERROR, "Unrecognized mount option \"%s\" " @@ -1559,6 +1541,8 @@ if (opts & OCFS2_MOUNT_ERRORS_PANIC) seq_printf(s, ",errors=panic"); + else if (opts & OCFS2_MOUNT_ERRORS_CONT) + seq_printf(s, ",errors=continue"); else seq_printf(s, ",errors=remount-ro"); @@ -1579,8 +1563,8 @@ seq_printf(s, ",localflocks,"); if (osb->osb_cluster_stack[0]) - seq_printf(s, ",cluster_stack=%.*s", OCFS2_STACK_LABEL_LEN, - osb->osb_cluster_stack); + seq_show_option_n(s, "cluster_stack", osb->osb_cluster_stack, + OCFS2_STACK_LABEL_LEN); if (opts & OCFS2_MOUNT_USRQUOTA) seq_printf(s, ",usrquota"); if (opts & OCFS2_MOUNT_GRPQUOTA) @@ -1610,19 +1594,15 @@ if (osb->osb_dir_resv_level != osb->osb_resv_level) seq_printf(s, ",dir_resv_level=%d", osb->osb_resv_level); + if (opts & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT) + seq_printf(s, ",journal_async_commit"); + return 0; } -wait_queue_head_t ocfs2__ioend_wq[OCFS2_IOEND_WQ_HASH_SZ]; - static int __init ocfs2_init(void) { - int status, i; - - ocfs2_print_version(); - - for (i = 0; i < OCFS2_IOEND_WQ_HASH_SZ; i++) - init_waitqueue_head(&ocfs2__ioend_wq[i]); + int status; status = init_ocfs2_uptodate_cache(); if (status < 0) @@ -1640,8 +1620,9 @@ ocfs2_debugfs_root = debugfs_create_dir("ocfs2", NULL); if (!ocfs2_debugfs_root) { - status = -EFAULT; + status = -ENOMEM; mlog(ML_ERROR, "Unable to create ocfs2 debugfs root.\n"); + goto out4; } ocfs2_set_locking_protocol(); @@ -1764,7 +1745,7 @@ ocfs2_extent_map_init(&oi->vfs_inode); INIT_LIST_HEAD(&oi->ip_io_markers); oi->ip_dir_start_lookup = 0; - atomic_set(&oi->ip_unaligned_aio, 0); + mutex_init(&oi->ip_unaligned_aio); init_rwsem(&oi->ip_alloc_sem); init_rwsem(&oi->ip_xattr_sem); mutex_init(&oi->ip_io_mutex); @@ -1849,8 +1830,8 @@ *bh = sb_getblk(sb, block); if (!*bh) { - mlog_errno(-EIO); - return -EIO; + mlog_errno(-ENOMEM); + return -ENOMEM; } lock_buffer(*bh); if (!buffer_dirty(*bh)) @@ -1925,7 +1906,7 @@ { int tmp, hangup_needed = 0; struct ocfs2_super *osb = NULL; - char nodestr[8]; + char nodestr[12]; trace_ocfs2_dismount_volume(sb); @@ -1935,17 +1916,16 @@ debugfs_remove(osb->osb_ctxt); - /* - * Flush inode dropping work queue so that deletes are - * performed while the filesystem is still working - */ - ocfs2_drop_all_dl_inodes(osb); - /* Orphan scan should be stopped as early as possible */ ocfs2_orphan_scan_stop(osb); ocfs2_disable_quotas(osb); + /* All dquots should be freed by now */ + WARN_ON(!llist_empty(&osb->dquot_drop_list)); + /* Wait for worker to be done with the work structure in osb */ + cancel_work_sync(&osb->dquot_drop_work); + ocfs2_shutdown_local_alloc(osb); ocfs2_truncate_log_shutdown(osb); @@ -2076,7 +2056,6 @@ struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data; struct inode *inode = NULL; struct ocfs2_journal *journal; - __le32 uuid_net_key; struct ocfs2_super *osb; u64 total_blocks; @@ -2091,8 +2070,9 @@ sb->s_op = &ocfs2_sops; sb->s_d_op = &ocfs2_dentry_ops; sb->s_export_op = &ocfs2_export_ops; - sb->s_qcop = &ocfs2_quotactl_ops; + sb->s_qcop = &dquot_quotactl_sysfile_ops; sb->dq_op = &ocfs2_quota_operations; + sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; sb->s_xattr = ocfs2_xattr_handlers; sb->s_time_gran = 1; sb->s_flags |= MS_NOATIME; @@ -2100,6 +2080,8 @@ cbits = le32_to_cpu(di->id2.i_super.s_clustersize_bits); bbits = le32_to_cpu(di->id2.i_super.s_blocksize_bits); sb->s_maxbytes = ocfs2_max_file_offset(bbits, cbits); + memcpy(sb->s_uuid, di->id2.i_super.s_uuid, + sizeof(di->id2.i_super.s_uuid)); osb->osb_dx_mask = (1 << (cbits - bbits)) - 1; @@ -2122,6 +2104,8 @@ spin_lock_init(&osb->osb_xattr_lock); ocfs2_init_steal_slots(osb); + mutex_init(&osb->system_file_mutex); + atomic_set(&osb->alloc_stats.moves, 0); atomic_set(&osb->alloc_stats.local_data, 0); atomic_set(&osb->alloc_stats.bitmap_data, 0); @@ -2154,7 +2138,6 @@ } init_waitqueue_head(&osb->checkpoint_event); - atomic_set(&osb->needs_checkpoint, 0); osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM; @@ -2227,10 +2210,9 @@ if (ocfs2_clusterinfo_valid(osb)) { osb->osb_stackflags = OCFS2_RAW_SB(di)->s_cluster_info.ci_stackflags; - memcpy(osb->osb_cluster_stack, + strlcpy(osb->osb_cluster_stack, OCFS2_RAW_SB(di)->s_cluster_info.ci_stack, - OCFS2_STACK_LABEL_LEN); - osb->osb_cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0'; + OCFS2_STACK_LABEL_LEN + 1); if (strlen(osb->osb_cluster_stack) != OCFS2_STACK_LABEL_LEN) { mlog(ML_ERROR, "couldn't mount because of an invalid " @@ -2239,6 +2221,9 @@ status = -EINVAL; goto bail; } + strlcpy(osb->osb_cluster_name, + OCFS2_RAW_SB(di)->s_cluster_info.ci_cluster, + OCFS2_CLUSTER_NAME_LEN + 1); } else { /* The empty string is identical with classic tools that * don't know about s_cluster_info. */ @@ -2274,8 +2259,8 @@ INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery); journal->j_state = OCFS2_JOURNAL_FREE; - INIT_WORK(&osb->dentry_lock_work, ocfs2_drop_dl_inodes); - osb->dentry_lock_list = NULL; + INIT_WORK(&osb->dquot_drop_work, ocfs2_drop_dquot_refs); + init_llist_head(&osb->dquot_drop_list); /* get some pseudo constants for clustersize bits */ osb->s_clustersize_bits = @@ -2309,10 +2294,8 @@ goto bail; } - memcpy(&uuid_net_key, di->id2.i_super.s_uuid, sizeof(uuid_net_key)); - - strncpy(osb->vol_label, di->id2.i_super.s_label, 63); - osb->vol_label[63] = '\0'; + strlcpy(osb->vol_label, di->id2.i_super.s_label, + OCFS2_MAX_VOL_LABEL_LEN); osb->root_blkno = le64_to_cpu(di->id2.i_super.s_root_blkno); osb->system_dir_blkno = le64_to_cpu(di->id2.i_super.s_system_dir_blkno); osb->first_cluster_group_blkno = @@ -2363,7 +2346,7 @@ mlog_errno(status); goto bail; } - cleancache_init_shared_fs((char *)&di->id2.i_super.s_uuid, sb); + cleancache_init_shared_fs(sb); bail: return status; @@ -2485,6 +2468,15 @@ goto finally; } + if (osb->s_mount_opt & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT) + jbd2_journal_set_features(osb->journal->j_journal, + JBD2_FEATURE_COMPAT_CHECKSUM, 0, + JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); + else + jbd2_journal_clear_features(osb->journal->j_journal, + JBD2_FEATURE_COMPAT_CHECKSUM, 0, + JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); + if (dirty) { /* recover my local alloc if we didn't unmount cleanly. */ status = ocfs2_begin_local_alloc_recovery(osb, @@ -2555,69 +2547,85 @@ kfree(osb->journal); kfree(osb->local_alloc_copy); kfree(osb->uuid_str); + kfree(osb->vol_label); ocfs2_put_dlm_debug(osb->osb_dlm_debug); memset(osb, 0, sizeof(struct ocfs2_super)); } -/* Put OCFS2 into a readonly state, or (if the user specifies it), - * panic(). We do not support continue-on-error operation. */ -static void ocfs2_handle_error(struct super_block *sb) +/* Depending on the mount option passed, perform one of the following: + * Put OCFS2 into a readonly state (default) + * Return EIO so that only the process errs + * Fix the error as if fsck.ocfs2 -y + * panic + */ +static int ocfs2_handle_error(struct super_block *sb) { struct ocfs2_super *osb = OCFS2_SB(sb); + int rv = 0; - if (osb->s_mount_opt & OCFS2_MOUNT_ERRORS_PANIC) + ocfs2_set_osb_flag(osb, OCFS2_OSB_ERROR_FS); + pr_crit("On-disk corruption discovered. " + "Please run fsck.ocfs2 once the filesystem is unmounted.\n"); + + if (osb->s_mount_opt & OCFS2_MOUNT_ERRORS_PANIC) { panic("OCFS2: (device %s): panic forced after error\n", sb->s_id); + } else if (osb->s_mount_opt & OCFS2_MOUNT_ERRORS_CONT) { + pr_crit("OCFS2: Returning error to the calling process.\n"); + rv = -EIO; + } else { /* default option */ + rv = -EROFS; + if (sb->s_flags & MS_RDONLY && + (ocfs2_is_soft_readonly(osb) || + ocfs2_is_hard_readonly(osb))) + return rv; - ocfs2_set_osb_flag(osb, OCFS2_OSB_ERROR_FS); - - if (sb->s_flags & MS_RDONLY && - (ocfs2_is_soft_readonly(osb) || - ocfs2_is_hard_readonly(osb))) - return; + pr_crit("OCFS2: File system is now read-only.\n"); + sb->s_flags |= MS_RDONLY; + ocfs2_set_ro_flag(osb, 0); + } - printk(KERN_CRIT "File system is now read-only due to the potential " - "of on-disk corruption. Please run fsck.ocfs2 once the file " - "system is unmounted.\n"); - sb->s_flags |= MS_RDONLY; - ocfs2_set_ro_flag(osb, 0); + return rv; } -static char error_buf[1024]; - -void __ocfs2_error(struct super_block *sb, - const char *function, - const char *fmt, ...) +int __ocfs2_error(struct super_block *sb, const char *function, + const char *fmt, ...) { + struct va_format vaf; va_list args; va_start(args, fmt); - vsnprintf(error_buf, sizeof(error_buf), fmt, args); - va_end(args); + vaf.fmt = fmt; + vaf.va = &args; /* Not using mlog here because we want to show the actual * function the error came from. */ - printk(KERN_CRIT "OCFS2: ERROR (device %s): %s: %s\n", - sb->s_id, function, error_buf); + printk(KERN_CRIT "OCFS2: ERROR (device %s): %s: %pV", + sb->s_id, function, &vaf); + + va_end(args); - ocfs2_handle_error(sb); + return ocfs2_handle_error(sb); } /* Handle critical errors. This is intentionally more drastic than * ocfs2_handle_error, so we only use for things like journal errors, * etc. */ -void __ocfs2_abort(struct super_block* sb, - const char *function, +void __ocfs2_abort(struct super_block *sb, const char *function, const char *fmt, ...) { + struct va_format vaf; va_list args; va_start(args, fmt); - vsnprintf(error_buf, sizeof(error_buf), fmt, args); - va_end(args); - printk(KERN_CRIT "OCFS2: abort (device %s): %s: %s\n", - sb->s_id, function, error_buf); + vaf.fmt = fmt; + vaf.va = &args; + + printk(KERN_CRIT "OCFS2: abort (device %s): %s: %pV", + sb->s_id, function, &vaf); + + va_end(args); /* We don't have the cluster support yet to go straight to * hard readonly in here. Until then, we want to keep