btrfs-progs/0001-btrfs-progs-mkfs-clean...

80 lines
2.4 KiB
Diff

From fcd0fd043749cd2623a918cf9862d10e2a227ae4 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Tue, 21 Jul 2020 12:13:27 +0200
Subject: [PATCH 1/2] btrfs-progs: mkfs: clean up default profile settings
Extract the defaults for data and metadata profiles to a header and
use the symbolic names instead of hardcoding the profiles.
Signed-off-by: David Sterba <dsterba@suse.com>
(cherry picked from commit 071cb030a41fde2cab07217b52ba7c86b72fb8d8)
---
mkfs/common.h | 10 ++++++++++
mkfs/main.c | 21 ++++++++++++++++-----
2 files changed, 26 insertions(+), 5 deletions(-)
diff --git a/mkfs/common.h b/mkfs/common.h
index 426852be..61969dcc 100644
--- a/mkfs/common.h
+++ b/mkfs/common.h
@@ -28,6 +28,16 @@
#define BTRFS_MKFS_SYSTEM_GROUP_SIZE SZ_4M
#define BTRFS_MKFS_SMALL_VOLUME_SIZE SZ_1G
+/*
+ * Default settings for block group types
+ */
+#define BTRFS_MKFS_DEFAULT_DATA_ONE_DEVICE 0 /* SINGLE */
+#define BTRFS_MKFS_DEFAULT_META_ONE_DEVICE BTRFS_BLOCK_GROUP_DUP
+#define BTRFS_MKFS_DEFAULT_META_ONE_DEVICE_SSD 0 /* SINGLE */
+
+#define BTRFS_MKFS_DEFAULT_DATA_MULTI_DEVICE BTRFS_BLOCK_GROUP_RAID0
+#define BTRFS_MKFS_DEFAULT_META_MULTI_DEVICE BTRFS_BLOCK_GROUP_RAID1
+
/*
* Tree root blocks created during mkfs
*/
diff --git a/mkfs/main.c b/mkfs/main.c
index 0a4de617..6c9a24a4 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -1144,19 +1144,30 @@ int BOX_MAIN(mkfs)(int argc, char **argv)
* For mixed groups defaults are single/single.
*/
if (!mixed) {
+ u64 tmp;
+
if (!metadata_profile_opt) {
if (dev_cnt == 1 && ssd && verbose)
printf("Detected a SSD, turning off metadata "
"duplication. Mkfs with -m dup if you want to "
"force metadata duplication.\n");
- metadata_profile = (dev_cnt > 1) ?
- BTRFS_BLOCK_GROUP_RAID1 : (ssd) ?
- 0: BTRFS_BLOCK_GROUP_DUP;
+ if (dev_cnt > 1) {
+ tmp = BTRFS_MKFS_DEFAULT_META_MULTI_DEVICE;
+ } else {
+ if (ssd)
+ tmp = BTRFS_MKFS_DEFAULT_META_ONE_DEVICE_SSD;
+ else
+ tmp = BTRFS_MKFS_DEFAULT_META_ONE_DEVICE;
+ }
+ metadata_profile = tmp;
}
if (!data_profile_opt) {
- data_profile = (dev_cnt > 1) ?
- BTRFS_BLOCK_GROUP_RAID0 : 0; /* raid0 or single */
+ if (dev_cnt > 1)
+ tmp = BTRFS_MKFS_DEFAULT_DATA_MULTI_DEVICE;
+ else
+ tmp = BTRFS_MKFS_DEFAULT_DATA_ONE_DEVICE;
+ data_profile = tmp;
}
} else {
u32 best_nodesize = max_t(u32, sysconf(_SC_PAGESIZE), sectorsize);
--
2.26.2