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btrfs-progs: define BTRFS_MKFS_SMALL_VOLUME_SIZE for small volume 

mkfs cut of size '1024 * 1024 * 1024' to mark dev as small volume so to
force mixed group. Use a define for that.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Anand Jain 2014-07-15 16:02:10 +08:00 committed by David Sterba
parent 27d61fbcab
commit fcdd44470d
3 changed files with 4 additions and 3 deletions
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2
mkfs.c
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@ -1335,7 +1335,7 @@ int main(int ac, char **av)
break;
case 'b':
block_count = parse_size(optarg);
if (block_count <= 1024*1024*1024) {
if (block_count <= BTRFS_MKFS_SMALL_VOLUME_SIZE) {
fprintf(stdout,
"SMALL VOLUME: forcing mixed metadata/data groups\n");
mixed = 1;

4
utils.c
View File

@ -702,7 +702,7 @@ int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
if (max_block_count)
block_count = min(block_count, max_block_count);
if (block_count < 1024 * 1024 * 1024 && !(*mixed)) {
if (block_count < BTRFS_MKFS_SMALL_VOLUME_SIZE && !(*mixed)) {
printf("SMALL VOLUME: forcing mixed metadata/data groups\n");
*mixed = 1;
}
@ -2287,7 +2287,7 @@ int is_vol_small(char *file)
close(fd);
return -1;
}
if (size < 1024 * 1024 * 1024) {
if (size < BTRFS_MKFS_SMALL_VOLUME_SIZE) {
close(fd);
return 1;
} else {

1
utils.h
View File

@ -24,6 +24,7 @@
#include <dirent.h>
#define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
#define BTRFS_MKFS_SMALL_VOLUME_SIZE (1024 * 1024 * 1024)
#define BTRFS_SCAN_PROC (1ULL << 0)
#define BTRFS_SCAN_DEV (1ULL << 1)