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Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index a7acfe639a4..3536bdb2d7c 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -68,7 +68,7 @@ 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_notreelog,
- Opt_flushoncommit, Opt_err,
+ Opt_ratio, Opt_flushoncommit, Opt_err,
};
static match_table_t tokens = {
@@ -87,6 +87,7 @@ static match_table_t tokens = {
{Opt_noacl, "noacl"},
{Opt_notreelog, "notreelog"},
{Opt_flushoncommit, "flushoncommit"},
+ {Opt_ratio, "metadata_ratio=%d"},
{Opt_err, NULL},
};
@@ -195,7 +196,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
info->max_extent = max_t(u64,
info->max_extent, root->sectorsize);
printk(KERN_INFO "btrfs: max_extent at %llu\n",
- info->max_extent);
+ (unsigned long long)info->max_extent);
}
break;
case Opt_max_inline:
@@ -210,7 +211,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
root->sectorsize);
}
printk(KERN_INFO "btrfs: max_inline at %llu\n",
- info->max_inline);
+ (unsigned long long)info->max_inline);
}
break;
case Opt_alloc_start:
@@ -220,7 +221,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
kfree(num);
printk(KERN_INFO
"btrfs: allocations start at %llu\n",
- info->alloc_start);
+ (unsigned long long)info->alloc_start);
}
break;
case Opt_noacl:
@@ -234,6 +235,15 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
printk(KERN_INFO "btrfs: turning on flush-on-commit\n");
btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT);
break;
+ case Opt_ratio:
+ intarg = 0;
+ match_int(&args[0], &intarg);
+ if (intarg) {
+ info->metadata_ratio = intarg;
+ printk(KERN_INFO "btrfs: metadata ratio %d\n",
+ info->metadata_ratio);
+ }
+ break;
default:
break;
}
@@ -410,11 +420,14 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
if (btrfs_test_opt(root, NOBARRIER))
seq_puts(seq, ",nobarrier");
if (info->max_extent != (u64)-1)
- seq_printf(seq, ",max_extent=%llu", info->max_extent);
+ seq_printf(seq, ",max_extent=%llu",
+ (unsigned long long)info->max_extent);
if (info->max_inline != 8192 * 1024)
- seq_printf(seq, ",max_inline=%llu", info->max_inline);
+ seq_printf(seq, ",max_inline=%llu",
+ (unsigned long long)info->max_inline);
if (info->alloc_start != 0)
- seq_printf(seq, ",alloc_start=%llu", info->alloc_start);
+ seq_printf(seq, ",alloc_start=%llu",
+ (unsigned long long)info->alloc_start);
if (info->thread_pool_size != min_t(unsigned long,
num_online_cpus() + 2, 8))
seq_printf(seq, ",thread_pool=%d", info->thread_pool_size);