btrfs: refactor variable scope in run_delalloc_nocow

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Of the 22 (!!!) local variables declared in this function only 9 have
function-wide context. Of the remaining 13, 12 are needed in the main
while loop of the function and 1 is needed in a tiny if branch, only in
case we have prealloc extent. This commit reduces the lifespan of every
variable to its bare minimum. It also renames the 'nolock' boolean to
freespace_inode to clearly indicate its purpose.

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 2019-08-21 10:42:03 +03:00 • committed by David Sterba

parent bcacf5f3f9

commit 3e024846d2

1 changed files with 28 additions and 33 deletions

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fs/btrfs/inode.c

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