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btrfs: dump block_rsv details when dumping space info 

For enospc_debug having the block rsvs is super helpful to see if we've
done something wrong.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2018-11-21 14:03:07 -05:00 committed by David Sterba
parent d89dbefb8c
commit b78e5616af
1 changed files with 15 additions and 0 deletions
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15
fs/btrfs/extent-tree.c
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@ -8086,6 +8086,15 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
return ret; return ret;
} }
#define DUMP_BLOCK_RSV(fs_info, rsv_name) \
do { \
struct btrfs_block_rsv *__rsv = &(fs_info)->rsv_name; \
spin_lock(&__rsv->lock); \
btrfs_info(fs_info, #rsv_name ": size %llu reserved %llu", \
__rsv->size, __rsv->reserved); \
spin_unlock(&__rsv->lock); \
} while (0)
static void dump_space_info(struct btrfs_fs_info *fs_info, static void dump_space_info(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *info, u64 bytes, struct btrfs_space_info *info, u64 bytes,
int dump_block_groups) int dump_block_groups)
@ -8105,6 +8114,12 @@ static void dump_space_info(struct btrfs_fs_info *fs_info,
info->bytes_readonly); info->bytes_readonly);
spin_unlock(&info->lock); spin_unlock(&info->lock);
DUMP_BLOCK_RSV(fs_info, global_block_rsv);
DUMP_BLOCK_RSV(fs_info, trans_block_rsv);
DUMP_BLOCK_RSV(fs_info, chunk_block_rsv);
DUMP_BLOCK_RSV(fs_info, delayed_block_rsv);
DUMP_BLOCK_RSV(fs_info, delayed_refs_rsv);
if (!dump_block_groups) if (!dump_block_groups)
return; return;