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22bb92f3
cloud-kernel
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体验新版 GitCode,发现更多精彩内容 >>
提交
22bb92f3
编写于
6月 22, 2007
作者:
C
Chris Mason
提交者:
David Woodhouse
6月 22, 2007
浏览文件
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电子邮件补丁
差异文件
Btrfs: Documentation update
Signed-off-by:
N
Chris Mason
<
chris.mason@oracle.com
>
上级
5eda7b5e
变更
3
显示空白变更内容
内联
并排
Showing
3 changed file
with
7 addition
and
13 deletion
+7
-13
fs/btrfs/INSTALL
fs/btrfs/INSTALL
+7
-10
fs/btrfs/root-tree.c
fs/btrfs/root-tree.c
+0
-2
fs/btrfs/transaction.c
fs/btrfs/transaction.c
+0
-1
未找到文件。
fs/btrfs/INSTALL
浏览文件 @
22bb92f3
...
...
@@ -5,19 +5,16 @@ directory can only be changed by btrfsctl right now, and normal filesystem
operations do not work on it. The default subvolume is called 'default',
and you can create files and directories in mount_point/default
Btrfs uses
the crypto manager interface in the kernel for file an
d
metadata checksums. You need
to compile the kernel with:
Btrfs uses
libcrc32c in the kernel for file and metadata checksums. You nee
d
to compile the kernel with:
CONFIG_CRYPTO=y
CONFIG_CRYPTO_MANAGER=m
CONFIG_CRYPTO_CRC32C=m
CONFIG_LIBCRC32C=m
cryptomanager and crc32c can be static as well. Once your kernel is
setup, typing make in the btrfs module sources will build against the
running kernel. When the build is
complete:
libcrc32c can be static as well. Once your kernel is setup, typing make in the
btrfs module sources will build against the running kernel. When the build is
complete:
modprobe crc32c
modprobe cryptomgr
modprobe libcrc32c
insmod btrfs.ko
The Btrfs utility programs require libuuid to build. This can be found
...
...
fs/btrfs/root-tree.c
浏览文件 @
22bb92f3
...
...
@@ -51,7 +51,6 @@ int btrfs_find_last_root(struct btrfs_root *root, u64 objectid,
memcpy
(
item
,
btrfs_item_ptr
(
l
,
slot
,
struct
btrfs_root_item
),
sizeof
(
*
item
));
btrfs_disk_key_to_cpu
(
key
,
&
l
->
items
[
slot
].
key
);
printk
(
"find last finds key %Lu %u %Lu slot %d search for obj %Lu
\n
"
,
key
->
objectid
,
key
->
flags
,
key
->
offset
,
slot
,
objectid
);
ret
=
0
;
out:
btrfs_release_path
(
root
,
path
);
...
...
@@ -141,7 +140,6 @@ int btrfs_find_dead_roots(struct btrfs_root *root)
ret
=
PTR_ERR
(
root
);
goto
err
;
}
printk
(
"found dead root %Lu %u %Lu
\n
"
,
key
.
objectid
,
key
.
flags
,
key
.
offset
);
ret
=
btrfs_add_dead_root
(
dead_root
,
&
root
->
fs_info
->
dead_roots
);
if
(
ret
)
...
...
fs/btrfs/transaction.c
浏览文件 @
22bb92f3
...
...
@@ -308,7 +308,6 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
list_del_init
(
&
dirty
->
list
);
trans
=
btrfs_start_transaction
(
tree_root
,
1
);
printk
(
"deleting root %Lu %u %Lu
\n
"
,
dirty
->
snap_key
.
objectid
,
dirty
->
snap_key
.
flags
,
dirty
->
snap_key
.
offset
);
ret
=
btrfs_drop_snapshot
(
trans
,
dirty
->
root
,
dirty
->
commit_root
);
BUG_ON
(
ret
);
...
...
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