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xfs: xfs_fsops: drop useless LIST_HEAD 

Drop LIST_HEAD where the variable it declares is never used.

Commit 0410c3bb2b ("xfs: factor ag btree root block
initialisation") stopped using buffer_list and started using a
buffer list in an aghdr_init_data structure, but the declaration
of buffer_list was not removed.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier x;
@@
- LIST_HEAD(x);
  ... when != x
// </smpl>

Fixes: 0410c3bb2b ("xfs: factor ag btree root block initialisation")
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Julia Lawall 2018-12-23 14:52:12 -08:00 committed by Darrick J. Wong
parent 89be677b6b
commit 90be9b86da
1 changed files with 0 additions and 1 deletions
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1
fs/xfs/xfs_fsops.c
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@ -40,7 +40,6 @@ xfs_growfs_data_private(
xfs_rfsblock_t new;
xfs_agnumber_t oagcount;
xfs_trans_t *tp;
LIST_HEAD (buffer_list);
struct aghdr_init_data id = {};
nb = in->newblocks;