Now btrfs-show-super can handle DEDUP ro compat flag.
Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
---
btrfs-show-super.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/btrfs-show-super.c b/btrfs-show-super.c
index d8ad69e..7c0dfa9 100644
--- a/btrfs-show-super.c
+++ b/btrfs-show-super.c
@@ -291,6 +291,15 @@ struct readable_flag_entry {
u64 bit;
char *output;
};
+#define DEF_RO_COMPAT_FLAG_ENTRY(bit_name) \
+ {BTRFS_FEATURE_COMPAT_RO_##bit_name, #bit_name}
+
+struct readable_flag_entry ro_compat_flags_array[] = {
+ DEF_RO_COMPAT_FLAG_ENTRY(DEDUP)
+};
+
+static const int ro_compat_flags_num = sizeof(ro_compat_flags_array) /
+ sizeof(struct readable_flag_entry);
#define DEF_INCOMPAT_FLAG_ENTRY(bit_name) \
{BTRFS_FEATURE_INCOMPAT_##bit_name, #bit_name}
@@ -363,6 +372,13 @@ static void __print_readable_flag(u64 flag, struct
readable_flag_entry *array,
printf(")\n");
}
+static void print_readable_ro_compat_flag(u64 ro_flag)
+{
+ return __print_readable_flag(ro_flag, ro_compat_flags_array,
+ ro_compat_flags_num,
+ BTRFS_FEATURE_COMPAT_RO_SUPP);
+}
+
static void print_readable_incompat_flag(u64 flag)
{
return __print_readable_flag(flag, incompat_flags_array,
@@ -454,6 +470,7 @@ 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_ro_compat_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));
--
2.6.4
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