btrfs: streamline btrfs_get_io_failure_record logic

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Make the function directly return a pointer to a failure record and
adjust callers to handle it. Also refactor the logic inside so that
the case which allocates the failure record for the first time is not
handled in an 'if' arm, saving us a level of indentation. Finally make
the function static as it's not used outside of extent_io.c .

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Nikolay Borisov 2020-07-02 15:23:29 +03:00 • committed by David Sterba

parent 2279a27053

commit 3526302f26

2 changed files with 63 additions and 68 deletions

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fs/btrfs/extent-io-tree.h

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129

fs/btrfs/extent_io.c

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