btrfs: use list_last_entry in add_falloc_range
authorNikolay Borisov <nborisov@suse.com>
Mon, 31 May 2021 07:37:03 +0000 (10:37 +0300)
committerDavid Sterba <dsterba@suse.com>
Mon, 21 Jun 2021 13:19:07 +0000 (15:19 +0200)
commitec87b42f7095a92e484e34c2c9bb486ae79d6548
treeefc89545f5b39d978604feca6ae9719e4876fb93
parent4183abf6cbfd8e71c5e19df697d8e43f1a2a6908
btrfs: use list_last_entry in add_falloc_range

Instead of calling list_entry with head->prev simply call
list_last_entry which makes it obvious which member of the list is
being referred. This allows to remove the extra 'prev' pointer.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/file.c