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xfs: use internal dfops in attr code 

Remove the unnecessary on-stack dfops structure and use the internal
transaction dfops instead. The lower level xattr code already
appropriately accesses ->t_dfops throughout.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Brian Foster 2018-07-24 13:43:12 -07:00 committed by Darrick J. Wong
parent 1e5ae1995a
commit 9c6bb0cf7b
1 changed files with 5 additions and 11 deletions
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16
fs/xfs/libxfs/xfs_attr.c
View File

@ -202,7 +202,6 @@ xfs_attr_set(
struct xfs_mount *mp = dp->i_mount;
struct xfs_buf *leaf_bp = NULL;
struct xfs_da_args args;
struct xfs_defer_ops dfops;
struct xfs_trans_res tres;
int rsvd = (flags & ATTR_ROOT) != 0;
int error, err2, local;
@ -251,7 +250,6 @@ xfs_attr_set(
rsvd ? XFS_TRANS_RESERVE : 0, &args.trans);
if (error)
return error;
xfs_defer_init(args.trans, &dfops);
xfs_ilock(dp, XFS_ILOCK_EXCL);
error = xfs_trans_reserve_quota_nblks(args.trans, dp, args.total, 0,
@ -315,18 +313,18 @@ xfs_attr_set(
*/
error = xfs_attr_shortform_to_leaf(&args, &leaf_bp);
if (error)
goto out_defer_cancel;
goto out;
/*
* Prevent the leaf buffer from being unlocked so that a
* concurrent AIL push cannot grab the half-baked leaf
* buffer and run into problems with the write verifier.
*/
xfs_trans_bhold(args.trans, leaf_bp);
xfs_defer_bjoin(&dfops, leaf_bp);
xfs_defer_ijoin(&dfops, dp);
error = xfs_defer_finish(&args.trans, &dfops);
xfs_defer_bjoin(args.trans->t_dfops, leaf_bp);
xfs_defer_ijoin(args.trans->t_dfops, dp);
error = xfs_defer_finish(&args.trans, args.trans->t_dfops);
if (error)
goto out_defer_cancel;
goto out;
/*
* Commit the leaf transformation. We'll need another (linked)
@ -366,8 +364,6 @@ xfs_attr_set(
return error;
out_defer_cancel:
xfs_defer_cancel(&dfops);
out:
if (leaf_bp)
xfs_trans_brelse(args.trans, leaf_bp);
@ -389,7 +385,6 @@ xfs_attr_remove(
{
struct xfs_mount *mp = dp->i_mount;
struct xfs_da_args args;
struct xfs_defer_ops dfops;
int error;
XFS_STATS_INC(mp, xs_attr_remove);
@ -422,7 +417,6 @@ xfs_attr_remove(
&args.trans);
if (error)
return error;
xfs_defer_init(args.trans, &dfops);
xfs_ilock(dp, XFS_ILOCK_EXCL);
/*