Currently when enoscp_debug mount option is turned on we do not print
any debug info in case metadata reservation failures happen. Fix this
by adding the necessary hook in reserve_metadata_bytes.
Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
---
fs/btrfs/extent-tree.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4497f937e8fb..7a281fc97bc5 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5382,10 +5382,15 @@ static int reserve_metadata_bytes(struct btrfs_root *root,
!block_rsv_use_bytes(global_rsv, orig_bytes))
ret = 0;
}
- if (ret == -ENOSPC)
+ if (ret == -ENOSPC) {
trace_btrfs_space_reservation(fs_info, "space_info:enospc",
block_rsv->space_info->flags,
orig_bytes, 1);
+
+ if (btrfs_test_opt(fs_info, ENOSPC_DEBUG))
+ dump_space_info(fs_info, block_rsv->space_info,
+ orig_bytes, 0);
+ }
return ret;
}
--
2.7.4
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