From 28c2061817b8cb266458249cc7bdd770eb2b407b Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 16 Jan 2014 14:18:37 +0100 Subject: [PATCH 29/42] btrfs-progs: read global reserve size from space infos Kernels >= 3.15 export the global block reserve as a space info presented by 'btrfs fi df' but would display 'unknown' instead of some meaningful string. Signed-off-by: David Sterba --- ctree.h | 6 ++++++ utils.c | 7 ++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/utils.c b/utils.c index f2ab416c28b2..ca150404ea6f 100644 --- a/utils.c +++ b/utils.c @@ -2473,7 +2473,10 @@ u64 get_partition_size(char *dev) */ const char *group_type_str(u64 flag) { - switch (flag & BTRFS_BLOCK_GROUP_TYPE_MASK) { + u64 mask = BTRFS_BLOCK_GROUP_TYPE_MASK | + BTRFS_SPACE_INFO_GLOBAL_RSV; + + switch (flag & mask) { case BTRFS_BLOCK_GROUP_DATA: return "Data"; case BTRFS_BLOCK_GROUP_SYSTEM: @@ -2482,6 +2485,8 @@ const char *group_type_str(u64 flag) return "Metadata"; case BTRFS_BLOCK_GROUP_DATA|BTRFS_BLOCK_GROUP_METADATA: return "Data+Metadata"; + case BTRFS_SPACE_INFO_GLOBAL_RSV: + return "GlobalReserve"; default: return "unknown"; } -- 1.9.0