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-rw-r--r--fs/btrfs/super.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 40709e2a44fc..7310e2fa8526 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -569,6 +569,10 @@ static int btrfs_parse_param(struct fs_context *fc, struct fs_parameter *param)
break;
case Opt_commit_interval:
ctx->commit_interval = result.uint_32;
+ if (ctx->commit_interval > BTRFS_WARNING_COMMIT_INTERVAL) {
+ btrfs_warn(NULL, "excessive commit interval %u, use with care",
+ ctx->commit_interval);
+ }
if (ctx->commit_interval == 0)
ctx->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL;
break;
@@ -1139,8 +1143,7 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
subvol_name = btrfs_get_subvol_name_from_objectid(info,
btrfs_root_id(BTRFS_I(d_inode(dentry))->root));
if (!IS_ERR(subvol_name)) {
- seq_puts(seq, ",subvol=");
- seq_escape(seq, subvol_name, " \t\n\\");
+ seq_show_option(seq, "subvol", subvol_name);
kfree(subvol_name);
}
return 0;