Signed-off-by: Silvio Fricke <silvio.fri...@gmail.com>
---
Documentation/btrfs-convert.txt | 2 ++
Makefile | 6 ++--
btrfs-convert.c | 64 +++++++++++++++++++++++++++++++++++++----
3 files changed, 64 insertions(+), 8 deletions(-)
diff --git a/Documentation/btrfs-convert.txt b/Documentation/btrfs-convert.txt
index 555fb35..9cc326c 100644
--- a/Documentation/btrfs-convert.txt
+++ b/Documentation/btrfs-convert.txt
@@ -29,6 +29,8 @@ Roll back to ext2fs.
set filesystem label during conversion.
-L::
use label from the converted filesystem.
+-p::
+Show progress of convertation.
EXIT STATUS
-----------
diff --git a/Makefile b/Makefile
index 203597c..f76c6b2 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ AM_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -DBTRFS_FLAT_INCLUDES
-fno-strict-alias
CFLAGS = -g -O1 -fno-strict-aliasing -rdynamic
objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
root-tree.o dir-item.o file-item.o inode-item.o inode-map.o \
- extent-cache.o extent_io.o volumes.o utils.o repair.o \
+ extent-cache.o extent_io.o volumes.o utils.o repair.o task-util.o \
qgroup.o raid6.o free-space-cache.o list_sort.o props.o \
ulist.o qgroup-verify.o backref.o
cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
@@ -20,13 +20,13 @@ libbtrfs_objects = send-stream.o send-utils.o rbtree.o
btrfs-list.o crc32c.o \
uuid-tree.o utils-lib.o rbtree-utils.o
libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \
crc32c.h list.h kerncompat.h radix-tree.h extent-cache.h \
- extent_io.h ioctl.h ctree.h btrfsck.h version.h
+ extent_io.h ioctl.h ctree.h btrfsck.h version.h task-util.h
TESTS = fsck-tests.sh convert-tests.sh
INSTALL = install
prefix ?= /usr/local
bindir = $(prefix)/bin
-lib_LIBS = -luuid -lblkid -lm -lz -llzo2 -L.
+lib_LIBS = -luuid -lblkid -lm -lz -llzo2 -L. -pthread
libdir ?= $(prefix)/lib
incdir = $(prefix)/include/btrfs
LIBS = $(lib_LIBS) $(libs_static)
diff --git a/btrfs-convert.c b/btrfs-convert.c
index a544fc6..f8ba920 100644
--- a/btrfs-convert.c
+++ b/btrfs-convert.c
@@ -38,6 +38,7 @@
#include "transaction.h"
#include "crc32c.h"
#include "utils.h"
+#include "task-util.h"
#include <ext2fs/ext2_fs.h>
#include <ext2fs/ext2fs.h>
#include <ext2fs/ext2_ext_attr.h>
@@ -45,6 +46,41 @@
#define INO_OFFSET (BTRFS_FIRST_FREE_OBJECTID - EXT2_ROOT_INO)
#define EXT2_IMAGE_SUBVOL_OBJECTID BTRFS_FIRST_FREE_OBJECTID
+struct private {
+ uint32_t max_copy_inodes;
+ uint32_t cur_copy_inodes;
+ struct task_info *info;
+};
+
+static void *print_copied_inodes(void *p)
+{
+ struct private *priv = p;
+ const char work_indicator[] = { '.', 'o', 'O', 'o' };
+ uint32_t count = 0;
+
+ task_period_start(priv->info, 1000 /* 1s */);
+ while (1) {
+ count++;
+ printf("copy inodes [%c] [%10d/%10d]\r",
+ work_indicator[count % 4], priv->cur_copy_inodes,
+ priv->max_copy_inodes);
+ fflush(stdout);
+ task_period_wait(priv->info);
+ }
+
+ return NULL;
+}
+
+static int after_copied_inodes(void *p)
+{
+ struct private *priv = p;
+
+ printf("\n");
+ task_period_stop(priv->info);
+
+ return 0;
+}
+
/*
* Open Ext2fs in readonly mode, read block allocation bitmap and
* inode bitmap into memory.
@@ -1036,7 +1072,7 @@ fail:
* scan ext2's inode bitmap and copy all used inodes.
*/
static int copy_inodes(struct btrfs_root *root, ext2_filsys ext2_fs,
- int datacsum, int packing, int noxattr)
+ int datacsum, int packing, int noxattr, struct private
*p)
{
int ret;
errcode_t err;
@@ -1068,6 +1104,7 @@ static int copy_inodes(struct btrfs_root *root,
ext2_filsys ext2_fs,
objectid, ext2_fs, ext2_ino,
&ext2_inode, datacsum, packing,
noxattr);
+ p->cur_copy_inodes++;
if (ret)
return ret;
if (trans->blocks_used >= 4096) {
@@ -2197,7 +2234,7 @@ err:
}
static int do_convert(const char *devname, int datacsum, int packing, int
noxattr,
- int copylabel, const char *fslabel)
+ int copylabel, const char *fslabel, int progress)
{
int i, ret;
int fd = -1;
@@ -2275,11 +2312,23 @@ static int do_convert(const char *devname, int
datacsum, int packing, int noxatt
goto fail;
}
printf("creating btrfs metadata.\n");
- ret = copy_inodes(root, ext2_fs, datacsum, packing, noxattr);
+ struct private p = {
+ .max_copy_inodes = (ext2_fs->super->s_inodes_count -
ext2_fs->super->s_free_inodes_count),
+ .cur_copy_inodes = 0,
+ };
+ if (progress) {
+ p.info = task_init(print_copied_inodes, after_copied_inodes,
&p);
+ task_start(p.info);
+ }
+ ret = copy_inodes(root, ext2_fs, datacsum, packing, noxattr, &p);
if (ret) {
fprintf(stderr, "error during copy_inodes %d\n", ret);
goto fail;
}
+ if (progress) {
+ task_stop(p.info);
+ task_deinit(p.info);
+ }
printf("creating ext2fs image file.\n");
ext2_root = link_subvol(root, "ext2_saved", EXT2_IMAGE_SUBVOL_OBJECTID);
if (!ext2_root) {
@@ -2703,6 +2752,7 @@ static void print_usage(void)
printf("\t-r roll back to ext2fs\n");
printf("\t-l LABEL set filesystem label\n");
printf("\t-L use label from converted fs\n");
+ printf("\t-p show converting progress\n");
}
int main(int argc, char *argv[])
@@ -2714,11 +2764,12 @@ int main(int argc, char *argv[])
int rollback = 0;
int copylabel = 0;
int usage_error = 0;
+ int progress = 0;
char *file;
char *fslabel = NULL;
while(1) {
- int c = getopt(argc, argv, "dinrl:L");
+ int c = getopt(argc, argv, "dinrl:Lp");
if (c < 0)
break;
switch(c) {
@@ -2747,6 +2798,9 @@ int main(int argc, char *argv[])
case 'L':
copylabel = 1;
break;
+ case 'p':
+ progress = 1;
+ break;
default:
print_usage();
return 1;
@@ -2784,7 +2838,7 @@ int main(int argc, char *argv[])
if (rollback) {
ret = do_rollback(file);
} else {
- ret = do_convert(file, datacsum, packing, noxattr, copylabel,
fslabel);
+ ret = do_convert(file, datacsum, packing, noxattr, copylabel,
fslabel, progress);
}
if (ret)
return 1;
--
2.1.2
--
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