diff options
author | Filipe Manana <fdmanana@suse.com> | 2023-07-26 18:57:02 +0300 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2023-08-21 15:52:17 +0300 |
commit | 1ff9fee3bd2e865c81d29684dd40a91698f7999b (patch) | |
tree | f4344884f3c8d39384feafa2efe6f925bf23489d /fs/btrfs/space-info.c | |
parent | e50b122b832bed9f36d459f19fd73d00658f5c1e (diff) | |
download | linux-1ff9fee3bd2e865c81d29684dd40a91698f7999b.tar.xz |
btrfs: print available space across all block groups when dumping space info
When dumping a space info also sum the available space for all block
groups and then print it. This often useful for debugging -ENOSPC
related problems.
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/space-info.c')
-rw-r--r-- | fs/btrfs/space-info.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 54d78e839c01..de0044283e29 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -510,6 +510,7 @@ void btrfs_dump_space_info(struct btrfs_fs_info *fs_info, int dump_block_groups) { struct btrfs_block_group *cache; + u64 total_avail = 0; int index = 0; spin_lock(&info->lock); @@ -537,10 +538,13 @@ again: avail, cache->ro ? "[readonly]" : ""); spin_unlock(&cache->lock); btrfs_dump_free_space(cache, bytes); + total_avail += avail; } if (++index < BTRFS_NR_RAID_TYPES) goto again; up_read(&info->groups_sem); + + btrfs_info(fs_info, "%llu bytes available across all block groups", total_avail); } static inline u64 calc_reclaim_items_nr(const struct btrfs_fs_info *fs_info, |