diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index b82931f97ef3..1e99a9948637 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1036,6 +1036,7 @@ struct btrfs_root { #define BTRFS_MOUNT_SSD (1 << 3) #define BTRFS_MOUNT_DEGRADED (1 << 4) #define BTRFS_MOUNT_COMPRESS (1 << 5) +#define BTRFS_MOUNT_NOTREELOG (1 << 6) #define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt) #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 2ceb40b794a8..3baa2c109e55 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -67,7 +67,8 @@ static void btrfs_put_super(struct super_block *sb) enum { Opt_degraded, Opt_subvol, Opt_device, Opt_nodatasum, Opt_nodatacow, Opt_max_extent, Opt_max_inline, Opt_alloc_start, Opt_nobarrier, - Opt_ssd, Opt_thread_pool, Opt_noacl, Opt_compress, Opt_err, + Opt_ssd, Opt_thread_pool, Opt_noacl, Opt_compress, Opt_notreelog, + Opt_err, }; static match_table_t tokens = { @@ -84,6 +85,7 @@ static match_table_t tokens = { {Opt_compress, "compress"}, {Opt_ssd, "ssd"}, {Opt_noacl, "noacl"}, + {Opt_notreelog, "notreelog"}, {Opt_err, NULL}, }; @@ -223,6 +225,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) case Opt_noacl: root->fs_info->sb->s_flags &= ~MS_POSIXACL; break; + case Opt_notreelog: + printk(KERN_INFO "btrfs: disabling tree log\n"); + btrfs_set_opt(info->mount_opt, NOTREELOG); + break; default: break; } @@ -412,6 +418,8 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_puts(seq, ",compress"); if (btrfs_test_opt(root, SSD)) seq_puts(seq, ",ssd"); + if (btrfs_test_opt(root, NOTREELOG)) + seq_puts(seq, ",notreelog"); if (!(root->fs_info->sb->s_flags & MS_POSIXACL)) seq_puts(seq, ",noacl"); return 0; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 2871609641f5..c047eea4093f 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2898,6 +2898,11 @@ int btrfs_log_inode_parent(struct btrfs_trans_handle *trans, sb = inode->i_sb; + if (btrfs_test_opt(root, NOTREELOG)) { + ret = 1; + goto end_no_trans; + } + if (root->fs_info->last_trans_log_full_commit > root->fs_info->last_trans_committed) { ret = 1;