btrfs: factor out gather_device_info()

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Factor out gather_device_info() from __btrfs_alloc_chunk(). This
function iterates over devices list and gather information about
devices. This commit also introduces "max_avail" and
"dev_extent_min" to fold the same calculation to one variable.
This commit has no functional changes.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Naohiro Aota 2020-02-25 12:56:12 +09:00 • committed by David Sterba

parent 27c314d5ca

commit 560156cb25

1 changed files with 67 additions and 54 deletions

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153

fs/btrfs/volumes.c

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