btrfs: Add treelog mount option.
Add treelog mount option to enable tree log with remount option. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
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@ -164,8 +164,9 @@ Options with (*) are default options and will not show in the mount options.
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Enable/disable data checksumming for newly created files.
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Enable/disable data checksumming for newly created files.
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Datasum implies datacow.
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Datasum implies datacow.
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treelog(*)
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notreelog
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notreelog
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Disable the tree logging used for fsync and O_SYNC writes.
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Enable/disable the tree logging used for fsync and O_SYNC writes.
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recovery
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recovery
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Enable autorecovery attempts if a bad tree root is found at mount time.
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Enable autorecovery attempts if a bad tree root is found at mount time.
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@ -325,7 +325,7 @@ enum {
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Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree,
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Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree,
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Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
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Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
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Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow,
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Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow,
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Opt_datasum,
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Opt_datasum, Opt_treelog,
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Opt_err,
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Opt_err,
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};
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};
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@ -353,6 +353,7 @@ static match_table_t tokens = {
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{Opt_acl, "acl"},
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{Opt_acl, "acl"},
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{Opt_noacl, "noacl"},
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{Opt_noacl, "noacl"},
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{Opt_notreelog, "notreelog"},
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{Opt_notreelog, "notreelog"},
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{Opt_treelog, "treelog"},
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{Opt_flushoncommit, "flushoncommit"},
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{Opt_flushoncommit, "flushoncommit"},
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{Opt_noflushoncommit, "noflushoncommit"},
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{Opt_noflushoncommit, "noflushoncommit"},
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{Opt_ratio, "metadata_ratio=%d"},
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{Opt_ratio, "metadata_ratio=%d"},
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@ -579,6 +580,11 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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btrfs_info(root->fs_info, "disabling tree log");
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btrfs_info(root->fs_info, "disabling tree log");
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btrfs_set_opt(info->mount_opt, NOTREELOG);
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btrfs_set_opt(info->mount_opt, NOTREELOG);
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break;
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break;
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case Opt_treelog:
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if (btrfs_test_opt(root, NOTREELOG))
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btrfs_info(root->fs_info, "enabling tree log");
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btrfs_clear_opt(info->mount_opt, NOTREELOG);
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break;
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case Opt_flushoncommit:
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case Opt_flushoncommit:
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btrfs_info(root->fs_info, "turning on flush-on-commit");
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btrfs_info(root->fs_info, "turning on flush-on-commit");
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btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT);
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btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT);
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