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btrfs: cleanup device states define BTRFS_DEV_STATE_REPLACE_TGT

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Currently device state is being managed by each individual int
variable such as struct btrfs_device::is_tgtdev_for_dev_replace.
Instead of that declare btrfs_device::dev_state
BTRFS_DEV_STATE_MISSING and use the bit operations.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
[ whitespace adjustments ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain
2017-12-04 12:54:55 +08:00
committed by David Sterba
parent e6e674bd4d
commit 401e29c124
7 changed files with 31 additions and 24 deletions
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2
fs/btrfs/ioctl.c
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@@ -1528,7 +1528,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
}
}
if (device->is_tgtdev_for_dev_replace) {
if (test_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state)) {
ret = -EPERM;
goto out_free;
}