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authorJames Morris <jmorris@macbook.(none)>2009-12-03 12:03:40 +0530
committerJames Morris <jmorris@macbook.(none)>2009-12-03 12:03:40 +0530
commitc84d6efd363a3948eb32ec40d46bab6338580454 (patch)
tree3ba7ac46e6626fe8ac843834588609eb6ccee5c6 /fs/btrfs/super.c
parent7539cf4b92be4aecc573ea962135f246a7a33401 (diff)
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
Merge branch 'master' into next
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 67035385444..752a5463bf5 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -66,7 +66,8 @@ 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_nossd, Opt_ssd_spread, Opt_thread_pool, Opt_noacl,
- Opt_compress, Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_err,
+ Opt_compress, Opt_notreelog, Opt_ratio, Opt_flushoncommit,
+ Opt_discard, Opt_err,
};
static match_table_t tokens = {
@@ -88,6 +89,7 @@ static match_table_t tokens = {
{Opt_notreelog, "notreelog"},
{Opt_flushoncommit, "flushoncommit"},
{Opt_ratio, "metadata_ratio=%d"},
+ {Opt_discard, "discard"},
{Opt_err, NULL},
};
@@ -257,6 +259,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
info->metadata_ratio);
}
break;
+ case Opt_discard:
+ btrfs_set_opt(info->mount_opt, DISCARD);
+ break;
default:
break;
}
@@ -344,7 +349,9 @@ static int btrfs_fill_super(struct super_block *sb,
sb->s_export_op = &btrfs_export_ops;
sb->s_xattr = btrfs_xattr_handlers;
sb->s_time_gran = 1;
+#ifdef CONFIG_BTRFS_FS_POSIX_ACL
sb->s_flags |= MS_POSIXACL;
+#endif
tree_root = open_ctree(sb, fs_devices, (char *)data);