David Sterba
2013-Feb-08 21:28 UTC
[PATCH] btrfs: put some enospc messages under enospc_debug
The warning in use_block_rsv is not useful for users and may fill
the logs unnecessarily.
Signed-off-by: David Sterba <dsterba@suse.cz>
---
on top of for-linus 1a65e24b0bb7
fs/btrfs/extent-tree.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5a3327b..b0f3399 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6329,12 +6329,14 @@ use_block_rsv(struct btrfs_trans_handle *trans,
if (!ret)
return block_rsv;
if (ret && !block_rsv->failfast) {
- static DEFINE_RATELIMIT_STATE(_rs,
- DEFAULT_RATELIMIT_INTERVAL,
- /*DEFAULT_RATELIMIT_BURST*/ 2);
- if (__ratelimit(&_rs))
- WARN(1, KERN_DEBUG "btrfs: block rsv returned %d\n",
- ret);
+ if (btrfs_test_opt(root, ENOSPC_DEBUG)) {
+ static DEFINE_RATELIMIT_STATE(_rs,
+ DEFAULT_RATELIMIT_INTERVAL * 10,
+ /*DEFAULT_RATELIMIT_BURST*/ 1);
+ if (__ratelimit(&_rs))
+ WARN(1, KERN_DEBUG
+ "btrfs: block rsv returned %d\n", ret);
+ }
ret = reserve_metadata_bytes(root, block_rsv, blocksize,
BTRFS_RESERVE_NO_FLUSH);
if (!ret) {
@@ -7651,11 +7653,13 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
space_info = list_entry(info->space_info.next,
struct btrfs_space_info,
list);
- if (space_info->bytes_pinned > 0 ||
- space_info->bytes_reserved > 0 ||
- space_info->bytes_may_use > 0) {
- WARN_ON(1);
- dump_space_info(space_info, 0, 0);
+ if (btrfs_test_opt(info->tree_root, ENOSPC_DEBUG)) {
+ if (space_info->bytes_pinned > 0 ||
+ space_info->bytes_reserved > 0 ||
+ space_info->bytes_may_use > 0) {
+ WARN_ON(1);
+ dump_space_info(space_info, 0, 0);
+ }
}
list_del(&space_info->list);
kfree(space_info);
--
1.8.0.2
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