114572d558
- remove debugging printf from 0001-Btrfs-progs-add-a-btrfs-select-super-command-to-over.patch (forwarded request 76766 from dsterba) OBS-URL: https://build.opensuse.org/request/show/76976 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/btrfsprogs?expand=0&rev=22
57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
From c2cefc42ebf8e32e36b1866048a02a579f2cef9a Mon Sep 17 00:00:00 2001
|
|
From: Josef Bacik <josef@redhat.com>
|
|
Date: Thu, 9 Dec 2010 18:27:03 +0000
|
|
Subject: [PATCH 06/15] Btrfs-progs: update super fields for space cache
|
|
|
|
This patch updates the super field to add the cache_generation member. It also
|
|
makes us set it to -1 on mkfs so any new filesystem will get the space cache
|
|
stuff turned on. Thanks,
|
|
|
|
Signed-off-by: Josef Bacik <josef@redhat.com>
|
|
Signed-off-by: Chris Mason <chris.mason@oracle.com>
|
|
---
|
|
ctree.h | 6 +++++-
|
|
utils.c | 1 +
|
|
2 files changed, 6 insertions(+), 1 deletions(-)
|
|
|
|
diff --git a/ctree.h b/ctree.h
|
|
index b79e238..962c510 100644
|
|
--- a/ctree.h
|
|
+++ b/ctree.h
|
|
@@ -340,8 +340,10 @@ struct btrfs_super_block {
|
|
|
|
char label[BTRFS_LABEL_SIZE];
|
|
|
|
+ __le64 cache_generation;
|
|
+
|
|
/* future expansion */
|
|
- __le64 reserved[32];
|
|
+ __le64 reserved[31];
|
|
u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE];
|
|
} __attribute__ ((__packed__));
|
|
|
|
@@ -1564,6 +1566,8 @@ BTRFS_SETGET_STACK_FUNCS(super_incompat_flags, struct btrfs_super_block,
|
|
incompat_flags, 64);
|
|
BTRFS_SETGET_STACK_FUNCS(super_csum_type, struct btrfs_super_block,
|
|
csum_type, 16);
|
|
+BTRFS_SETGET_STACK_FUNCS(super_cache_generation, struct btrfs_super_block,
|
|
+ cache_generation, 64);
|
|
|
|
static inline int btrfs_super_csum_size(struct btrfs_super_block *s)
|
|
{
|
|
diff --git a/utils.c b/utils.c
|
|
index 2a15d86..35e17b8 100644
|
|
--- a/utils.c
|
|
+++ b/utils.c
|
|
@@ -107,6 +107,7 @@ int make_btrfs(int fd, const char *device, const char *label,
|
|
btrfs_set_super_stripesize(&super, stripesize);
|
|
btrfs_set_super_csum_type(&super, BTRFS_CSUM_TYPE_CRC32);
|
|
btrfs_set_super_chunk_root_generation(&super, 1);
|
|
+ btrfs_set_super_cache_generation(&super, -1);
|
|
if (label)
|
|
strncpy(super.label, label, BTRFS_LABEL_SIZE - 1);
|
|
|
|
--
|
|
1.7.5.2.353.g5df3e
|
|
|