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| author | Anand Jain <anand.jain@oracle.com> | 2017-07-29 17:50:09 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-08-18 16:36:29 +0200 |
| commit | 44880fdc91bc4f6730e37f2cb6025b35c70b312d (patch) | |
| tree | 60f7638eb4ebd353bd7defc742b565b475e90376 /fs/btrfs/disk-io.c | |
| parent | 42e9cc46fbe86f83278c14f5d88f353d037258d2 (diff) | |
| download | linux-stable-44880fdc91bc4f6730e37f2cb6025b35c70b312d.tar.gz linux-stable-44880fdc91bc4f6730e37f2cb6025b35c70b312d.tar.bz2 linux-stable-44880fdc91bc4f6730e37f2cb6025b35c70b312d.zip | |
btrfs: use appropriate define for the fsid
Though BTRFS_FSID_SIZE and BTRFS_UUID_SIZE are of the same size, we
should use the matching constant for the fsid buffer.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index c2d3699a70bd..3715478fffed 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -529,7 +529,7 @@ static int check_tree_block_fsid(struct btrfs_fs_info *fs_info, struct extent_buffer *eb) { struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; - u8 fsid[BTRFS_UUID_SIZE]; + u8 fsid[BTRFS_FSID_SIZE]; int ret = 1; read_extent_buffer(eb, fsid, btrfs_header_fsid(), BTRFS_FSID_SIZE); @@ -3681,7 +3681,7 @@ int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors) btrfs_set_stack_device_io_width(dev_item, dev->io_width); btrfs_set_stack_device_sector_size(dev_item, dev->sector_size); memcpy(dev_item->uuid, dev->uuid, BTRFS_UUID_SIZE); - memcpy(dev_item->fsid, dev->fs_devices->fsid, BTRFS_UUID_SIZE); + memcpy(dev_item->fsid, dev->fs_devices->fsid, BTRFS_FSID_SIZE); flags = btrfs_super_flags(sb); btrfs_set_super_flags(sb, flags | BTRFS_HEADER_FLAG_WRITTEN); @@ -4120,7 +4120,7 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info) ret = -EINVAL; } - if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_UUID_SIZE) != 0) { + if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_FSID_SIZE) != 0) { btrfs_err(fs_info, "dev_item UUID does not match fsid: %pU != %pU", fs_info->fsid, sb->dev_item.fsid); |