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btrfs-progs: format FREE_SPACE_TREE{,_VALID} nicely in dump-super 

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Omar Sandoval 2016-11-14 10:43:19 -08:00 committed by David Sterba
parent 41eaae6d74
commit 9e02fbfcd3
1 changed files with 24 additions and 0 deletions
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24
cmds-inspect-dump-super.c
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@ -197,6 +197,16 @@ struct readable_flag_entry {
char *output;
};
#define DEF_COMPAT_RO_FLAG_ENTRY(bit_name) \
{BTRFS_FEATURE_COMPAT_RO_##bit_name, #bit_name}
static struct readable_flag_entry compat_ro_flags_array[] = {
DEF_COMPAT_RO_FLAG_ENTRY(FREE_SPACE_TREE),
DEF_COMPAT_RO_FLAG_ENTRY(FREE_SPACE_TREE_VALID),
};
static const int compat_ro_flags_num = sizeof(compat_ro_flags_array) /
sizeof(struct readable_flag_entry);
#define DEF_INCOMPAT_FLAG_ENTRY(bit_name) \
{BTRFS_FEATURE_INCOMPAT_##bit_name, #bit_name}
@ -268,6 +278,19 @@ static void __print_readable_flag(u64 flag, struct readable_flag_entry *array,
printf(")\n");
}
static void print_readable_compat_ro_flag(u64 flag)
{
/*
* We know about the FREE_SPACE_TREE{,_VALID} bits, but we don't
* actually support them yet.
*/
return __print_readable_flag(flag, compat_ro_flags_array,
compat_ro_flags_num,
BTRFS_FEATURE_COMPAT_RO_SUPP |
BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE |
BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID);
}
static void print_readable_incompat_flag(u64 flag)
{
return __print_readable_flag(flag, incompat_flags_array,
@ -377,6 +400,7 @@ static void dump_superblock(struct btrfs_super_block *sb, int full)
(unsigned long long)btrfs_super_compat_flags(sb));
printf("compat_ro_flags\t\t0x%llx\n",
(unsigned long long)btrfs_super_compat_ro_flags(sb));
print_readable_compat_ro_flag(btrfs_super_compat_ro_flags(sb));
printf("incompat_flags\t\t0x%llx\n",
(unsigned long long)btrfs_super_incompat_flags(sb));
print_readable_incompat_flag(btrfs_super_incompat_flags(sb));