aboutsummaryrefslogtreecommitdiff
path: root/fs/btrfs/super.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index f3274befd46..196d0e280b1 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -67,7 +67,7 @@ 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_err,
+ Opt_ssd, Opt_thread_pool, Opt_err,
};
static match_table_t tokens = {
@@ -80,6 +80,7 @@ static match_table_t tokens = {
{Opt_max_extent, "max_extent=%s"},
{Opt_max_inline, "max_inline=%s"},
{Opt_alloc_start, "alloc_start=%s"},
+ {Opt_thread_pool, "thread_pool=%d"},
{Opt_ssd, "ssd"},
{Opt_err, NULL}
};
@@ -118,6 +119,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
struct btrfs_fs_info *info = root->fs_info;
substring_t args[MAX_OPT_ARGS];
char *p, *num;
+ int intarg;
if (!options)
return 0;
@@ -166,6 +168,15 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
printk(KERN_INFO "btrfs: turning off barriers\n");
btrfs_set_opt(info->mount_opt, NOBARRIER);
break;
+ case Opt_thread_pool:
+ intarg = 0;
+ match_int(&args[0], &intarg);
+ if (intarg) {
+ info->thread_pool_size = intarg;
+ printk(KERN_INFO "btrfs: thread pool %d\n",
+ info->thread_pool_size);
+ }
+ break;
case Opt_max_extent:
num = match_strdup(&args[0]);
if (num) {