Btrfs: move get root out of btrfs_search_slot to a helper

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It's good to have a helper instead of having all get-root details
open-coded.  The new helper locks (if necessary) and sets root node of
the path.

Also invert the checks to make the code flow easier to read.  There is
no functional change in this commit.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Liu Bo 2018-05-18 11:00:21 +08:00 • committed by David Sterba

parent e6a1d6fd27

commit 1fc28d8e2e

1 changed files with 65 additions and 45 deletions

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110

fs/btrfs/ctree.c

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