diff options
| -rw-r--r-- | fs/btrfs/relocation.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index c4af0cdb783d..d8d450ae9e90 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -4333,6 +4333,45 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info) } /* + * Print the block group being relocated + */ +static void describe_relocation(struct btrfs_fs_info *fs_info, + struct btrfs_block_group_cache *block_group) +{ + char buf[128]; /* prefixed by a '|' that'll be dropped */ + u64 flags = block_group->flags; + + /* Shouldn't happen */ + if (!flags) { + strcpy(buf, "|NONE"); + } else { + char *bp = buf; + +#define DESCRIBE_FLAG(f, d) \ + if (flags & BTRFS_BLOCK_GROUP_##f) { \ + bp += snprintf(bp, buf - bp + sizeof(buf), "|%s", d); \ + flags &= ~BTRFS_BLOCK_GROUP_##f; \ + } + DESCRIBE_FLAG(DATA, "data"); + DESCRIBE_FLAG(SYSTEM, "system"); + DESCRIBE_FLAG(METADATA, "metadata"); + DESCRIBE_FLAG(RAID0, "raid0"); + DESCRIBE_FLAG(RAID1, "raid1"); + DESCRIBE_FLAG(DUP, "dup"); + DESCRIBE_FLAG(RAID10, "raid10"); + DESCRIBE_FLAG(RAID5, "raid5"); + DESCRIBE_FLAG(RAID6, "raid6"); + if (flags) + snprintf(buf, buf - bp + sizeof(buf), "|0x%llx", flags); +#undef DESCRIBE_FLAG + } + + btrfs_info(fs_info, + "relocating block group %llu flags %s", + block_group->key.objectid, buf + 1); +} + +/* * function to relocate all extents in a block group. */ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start) @@ -4388,9 +4427,7 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start) goto out; } - btrfs_info(extent_root->fs_info, - "relocating block group %llu flags %llu", - rc->block_group->key.objectid, rc->block_group->flags); + describe_relocation(extent_root->fs_info, rc->block_group); btrfs_wait_block_group_reservations(rc->block_group); btrfs_wait_nocow_writers(rc->block_group); |