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| author | Anand Jain <anand.jain@oracle.com> | 2018-11-20 16:12:55 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-12-17 14:51:39 +0100 |
| commit | f89e09cf45533eb25ca8e7fbedec697ecb37eb94 (patch) | |
| tree | a34623b823fe40c4539eefbf3cf248ef1cafaa56 /fs/btrfs/relocation.c | |
| parent | 9a6f209e36500efac51528132a3e3083586eda5f (diff) | |
| download | linux-f89e09cf45533eb25ca8e7fbedec697ecb37eb94.tar.gz | |
btrfs: add helper to describe block group flags
Factor out helper that describes block group flags from describe_relocation. The result will not be longer than the given size. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> [ add comments ] Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/relocation.c')
| -rw-r--r-- | fs/btrfs/relocation.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 5471eea1c0fd..35bfe014712a 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -4185,37 +4185,13 @@ static struct reloc_control *alloc_reloc_control(void) 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; + char buf[128] = {'\0'}; - /* 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(bp, buf - bp + sizeof(buf), "|0x%llx", flags); -#undef DESCRIBE_FLAG - } + btrfs_describe_block_groups(block_group->flags, buf, sizeof(buf)); btrfs_info(fs_info, "relocating block group %llu flags %s", - block_group->key.objectid, buf + 1); + block_group->key.objectid, buf); } /* |