xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

btrfs: cleanup device states define BTRFS_DEV_STATE_IN_FS_METADATA

Browse Source 
Currently device state is being managed by each individual int
variable such as struct btrfs_device::in_fs_metadata. Instead of
that declare device state BTRFS_DEV_STATE_IN_FS_METADATA and use
the bit operations.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
[ whitespace adjustments ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain
2017-12-04 12:54:53 +08:00
committed by David Sterba
parent ebbede42d4
commit e12c96214d
5 changed files with 27 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
fs/btrfs/disk-io.c
View File

@@ -3393,7 +3393,7 @@ static int barrier_all_devices(struct btrfs_fs_info *info)
continue;
if (!dev->bdev)
continue;
if (!dev->in_fs_metadata ||
if (!test_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &dev->dev_state) ||
!test_bit(BTRFS_DEV_STATE_WRITEABLE, &dev->dev_state))
continue;
@@ -3409,7 +3409,7 @@ static int barrier_all_devices(struct btrfs_fs_info *info)
errors_wait++;
continue;
}
if (!dev->in_fs_metadata ||
if (!test_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &dev->dev_state) ||
!test_bit(BTRFS_DEV_STATE_WRITEABLE, &dev->dev_state))
continue;
@@ -3507,7 +3507,7 @@ int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
total_errors++;
continue;
}
if (!dev->in_fs_metadata ||
if (!test_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &dev->dev_state) ||
!test_bit(BTRFS_DEV_STATE_WRITEABLE, &dev->dev_state))
continue;
@@ -3547,7 +3547,7 @@ int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
list_for_each_entry(dev, head, dev_list) {
if (!dev->bdev)
continue;
if (!dev->in_fs_metadata ||
if (!test_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &dev->dev_state) ||
!test_bit(BTRFS_DEV_STATE_WRITEABLE, &dev->dev_state))
continue;