Hi Chris- Just pinging you on this patch...
On Fri, 23 Jan 2009, Sage Weil wrote: > Add a 'notreelog' mount option to disable the tree log (used by fsync, > O_SYNC writes). > > Signed-off-by: Sage Weil <[email protected]> > --- > fs/btrfs/ctree.h | 1 + > fs/btrfs/super.c | 8 +++++++- > fs/btrfs/tree-log.c | 4 ++++ > 3 files changed, 12 insertions(+), 1 deletions(-) > > diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h > index de103a8..471fa67 100644 > --- a/fs/btrfs/ctree.h > +++ b/fs/btrfs/ctree.h > @@ -950,6 +950,7 @@ 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 4c0b756..d8c664c 100644 > --- a/fs/btrfs/super.c > +++ b/fs/btrfs/super.c > @@ -66,7 +66,8 @@ 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 = { > @@ -83,6 +84,7 @@ static match_table_t tokens = { > {Opt_compress, "compress"}, > {Opt_ssd, "ssd"}, > {Opt_noacl, "noacl"}, > + {Opt_notreelog, "notreelog"}, > {Opt_err, NULL}, > }; > > @@ -222,6 +224,10 @@ 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; > } > diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c > index 4f26f3e..ac58991 100644 > --- a/fs/btrfs/tree-log.c > +++ b/fs/btrfs/tree-log.c > @@ -2757,6 +2757,10 @@ int btrfs_log_dentry_safe(struct btrfs_trans_handle > *trans, > struct btrfs_root *root, struct dentry *dentry) > { > u64 gen; > + > + if (btrfs_test_opt(root, NOTREELOG)) > + return 1; > + > gen = root->fs_info->last_trans_new_blockgroup; > if (gen > root->fs_info->last_trans_committed) > return 1; > -- > 1.5.6.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
