Re: [PATCH 0/6] btrfs: find_device cleanups

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On 01/19/2019 01:33 AM, David Sterba wrote:
On Thu, Jan 17, 2019 at 11:32:27PM +0800, Anand Jain wrote:
find_device and its helper functions are as below

  btrfs_find_device_by_devspec()
  btrfs_find_device_missing_or_by_path()
  btrfs_find_device_by_path()
  btrfs_find_device()
  find_device()

Its quite confusing and too fragmented.

In this patch-set..
  1/6 and 2/6 -- btrfs_find_device_missing_or_by_path() is collapsed into
  btrfs_find_device_by_devspec() and cleanup the surviving function.

  3/6 -- rename btrfs_find_device_by_path() to find_device_by_superblock().

  4/6 and 5/6 -- collapses find_device() into btrfs_find_device().

  6/6 refactors btrfs_find_device() to return standard error code.

Resulting in..

btrfs_find_device():
  Mainly used to get struct btrfs_device internally for a given devid
  and or uuid and also helper function for btrfs_find_device_by_devspec().

btrfs_find_device_by_devspec() and a helper function find_device_by_superblock():
  Is mainly to retrieve the struct btrfs_device of a userland given device_path.

Anand Jain (6):
   btrfs: merge btrfs_find_device_missing_or_by_path() into parent
   btrfs: cleanup btrfs_find_device_by_devspec()
   btrfs: rename btrfs_find_device_by_path()
   btrfs: refactor btrfs_find_device() take fs_devices as argument
   btrfs: merge btrfs_find_device() and find_device()
   btrfs: refactor btrfs_find_device() return error code

1,2,4, applied,

 Thanks

please update 5 and resend. Thanks.

 comments were fixed and v2 is in the ML.



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