Re: [PATCH 04/25] xfs: remove firstblock param from xfs dir ops

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On Tue, Jul 03, 2018 at 11:06:11AM -0700, Darrick J. Wong wrote:
> On Tue, Jul 03, 2018 at 01:22:58PM -0400, Brian Foster wrote:
> > All callers of the xfs_dir_*() functions pass ->t_firstblock as the
> > firstblock parameter. Drop the parameter and access ->t_firstblock
> > directly.
> > 
> > Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
> > ---
> >  fs/xfs/libxfs/xfs_dir2.c | 12 ++++--------
> >  fs/xfs/libxfs/xfs_dir2.h |  6 +++---
> >  fs/xfs/xfs_inode.c       | 32 ++++++++++++--------------------
> >  fs/xfs/xfs_symlink.c     |  3 +--
> >  4 files changed, 20 insertions(+), 33 deletions(-)
> > 
> > diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
> > index 26918c5bd819..8a55990ca3a5 100644
> > --- a/fs/xfs/libxfs/xfs_dir2.c
> > +++ b/fs/xfs/libxfs/xfs_dir2.c
> > @@ -243,7 +243,6 @@ xfs_dir_createname(
> >  	struct xfs_inode	*dp,
> >  	struct xfs_name		*name,
> >  	xfs_ino_t		inum,		/* new entry inode number */
> > -	xfs_fsblock_t		*first,		/* bmap's firstblock */
> >  	xfs_extlen_t		total)		/* bmap's total block count */
> >  {
> >  	struct xfs_da_args	*args;
> > @@ -272,8 +271,7 @@ xfs_dir_createname(
> >  	args->total = total;
> >  	args->whichfork = XFS_DATA_FORK;
> >  	args->trans = tp;
> > -	ASSERT(tp->t_dfops || !first);
> 
> Hmm, didn't this move elsewhere in this function in the v2 patches of
> the t_dfops series?
> 

Yeah, I realized I forgot to rebase onto v2 right after I sent this. :/
I think that was the only conflict, but either way I have it fixed up
locally. I'll post a v2 inline or as a full series depending on
feedback.

Brian

> --D
> 
> > -	args->firstblock = first;
> > +	args->firstblock = &tp->t_firstblock;
> >  	args->op_flags = XFS_DA_OP_ADDNAME | XFS_DA_OP_OKNOENT;
> >  	if (!inum)
> >  		args->op_flags |= XFS_DA_OP_JUSTCHECK;
> > @@ -419,7 +417,6 @@ xfs_dir_removename(
> >  	struct xfs_inode	*dp,
> >  	struct xfs_name		*name,
> >  	xfs_ino_t		ino,
> > -	xfs_fsblock_t		*first,		/* bmap's firstblock */
> >  	xfs_extlen_t		total)		/* bmap's total block count */
> >  {
> >  	struct xfs_da_args	*args;
> > @@ -440,7 +437,7 @@ xfs_dir_removename(
> >  	args->hashval = dp->i_mount->m_dirnameops->hashname(name);
> >  	args->inumber = ino;
> >  	args->dp = dp;
> > -	args->firstblock = first;
> > +	args->firstblock = &tp->t_firstblock;
> >  	args->total = total;
> >  	args->whichfork = XFS_DATA_FORK;
> >  	args->trans = tp;
> > @@ -480,7 +477,6 @@ xfs_dir_replace(
> >  	struct xfs_inode	*dp,
> >  	struct xfs_name		*name,		/* name of entry to replace */
> >  	xfs_ino_t		inum,		/* new inode number */
> > -	xfs_fsblock_t		*first,		/* bmap's firstblock */
> >  	xfs_extlen_t		total)		/* bmap's total block count */
> >  {
> >  	struct xfs_da_args	*args;
> > @@ -504,7 +500,7 @@ xfs_dir_replace(
> >  	args->hashval = dp->i_mount->m_dirnameops->hashname(name);
> >  	args->inumber = inum;
> >  	args->dp = dp;
> > -	args->firstblock = first;
> > +	args->firstblock = &tp->t_firstblock;
> >  	args->total = total;
> >  	args->whichfork = XFS_DATA_FORK;
> >  	args->trans = tp;
> > @@ -544,7 +540,7 @@ xfs_dir_canenter(
> >  	xfs_inode_t	*dp,
> >  	struct xfs_name	*name)		/* name of entry to add */
> >  {
> > -	return xfs_dir_createname(tp, dp, name, 0, NULL, 0);
> > +	return xfs_dir_createname(tp, dp, name, 0, 0);
> >  }
> >  
> >  /*
> > diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
> > index f203aebc07ed..ba5acd03de94 100644
> > --- a/fs/xfs/libxfs/xfs_dir2.h
> > +++ b/fs/xfs/libxfs/xfs_dir2.h
> > @@ -118,16 +118,16 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
> >  				struct xfs_inode *pdp);
> >  extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
> >  				struct xfs_name *name, xfs_ino_t inum,
> > -				xfs_fsblock_t *first, xfs_extlen_t tot);
> > +				xfs_extlen_t tot);
> >  extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
> >  				struct xfs_name *name, xfs_ino_t *inum,
> >  				struct xfs_name *ci_name);
> >  extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
> >  				struct xfs_name *name, xfs_ino_t ino,
> > -				xfs_fsblock_t *first, xfs_extlen_t tot);
> > +				xfs_extlen_t tot);
> >  extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
> >  				struct xfs_name *name, xfs_ino_t inum,
> > -				xfs_fsblock_t *first, xfs_extlen_t tot);
> > +				xfs_extlen_t tot);
> >  extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
> >  				struct xfs_name *name);
> >  
> > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
> > index 6a3fe2d3df6c..ab1fd696500c 100644
> > --- a/fs/xfs/xfs_inode.c
> > +++ b/fs/xfs/xfs_inode.c
> > @@ -1223,7 +1223,7 @@ xfs_create(
> >  	xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
> >  	unlock_dp_on_error = false;
> >  
> > -	error = xfs_dir_createname(tp, dp, name, ip->i_ino, &tp->t_firstblock,
> > +	error = xfs_dir_createname(tp, dp, name, ip->i_ino,
> >  				   resblks ?
> >  					resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
> >  	if (error) {
> > @@ -1460,7 +1460,7 @@ xfs_link(
> >  	}
> >  
> >  	error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
> > -				   &tp->t_firstblock, resblks);
> > +				   resblks);
> >  	if (error)
> >  		goto error_return;
> >  	xfs_trans_ichgtime(tp, tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
> > @@ -2655,8 +2655,7 @@ xfs_remove(
> >  		goto out_trans_cancel;
> >  
> >  	xfs_defer_init(tp, &dfops, &tp->t_firstblock);
> > -	error = xfs_dir_removename(tp, dp, name, ip->i_ino, &tp->t_firstblock,
> > -				   resblks);
> > +	error = xfs_dir_removename(tp, dp, name, ip->i_ino, resblks);
> >  	if (error) {
> >  		ASSERT(error != -ENOENT);
> >  		goto out_bmap_cancel;
> > @@ -2788,14 +2787,12 @@ xfs_cross_rename(
> >  	int		dp2_flags = 0;
> >  
> >  	/* Swap inode number for dirent in first parent */
> > -	error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, &tp->t_firstblock,
> > -				spaceres);
> > +	error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, spaceres);
> >  	if (error)
> >  		goto out_trans_abort;
> >  
> >  	/* Swap inode number for dirent in second parent */
> > -	error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, &tp->t_firstblock,
> > -				spaceres);
> > +	error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, spaceres);
> >  	if (error)
> >  		goto out_trans_abort;
> >  
> > @@ -2809,8 +2806,7 @@ xfs_cross_rename(
> >  
> >  		if (S_ISDIR(VFS_I(ip2)->i_mode)) {
> >  			error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot,
> > -						dp1->i_ino, &tp->t_firstblock,
> > -						spaceres);
> > +						dp1->i_ino, spaceres);
> >  			if (error)
> >  				goto out_trans_abort;
> >  
> > @@ -2836,8 +2832,7 @@ xfs_cross_rename(
> >  
> >  		if (S_ISDIR(VFS_I(ip1)->i_mode)) {
> >  			error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot,
> > -						dp2->i_ino, &tp->t_firstblock,
> > -						spaceres);
> > +						dp2->i_ino, spaceres);
> >  			if (error)
> >  				goto out_trans_abort;
> >  
> > @@ -3043,8 +3038,7 @@ xfs_rename(
> >  		 * to account for the ".." reference from the new entry.
> >  		 */
> >  		error = xfs_dir_createname(tp, target_dp, target_name,
> > -					   src_ip->i_ino, &tp->t_firstblock,
> > -					   spaceres);
> > +					   src_ip->i_ino, spaceres);
> >  		if (error)
> >  			goto out_bmap_cancel;
> >  
> > @@ -3083,8 +3077,7 @@ xfs_rename(
> >  		 * name at the destination directory, remove it first.
> >  		 */
> >  		error = xfs_dir_replace(tp, target_dp, target_name,
> > -					src_ip->i_ino, &tp->t_firstblock,
> > -					spaceres);
> > +					src_ip->i_ino, spaceres);
> >  		if (error)
> >  			goto out_bmap_cancel;
> >  
> > @@ -3118,8 +3111,7 @@ xfs_rename(
> >  		 * directory.
> >  		 */
> >  		error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot,
> > -					target_dp->i_ino, &tp->t_firstblock,
> > -					spaceres);
> > +					target_dp->i_ino, spaceres);
> >  		ASSERT(error != -EEXIST);
> >  		if (error)
> >  			goto out_bmap_cancel;
> > @@ -3158,10 +3150,10 @@ xfs_rename(
> >  	 */
> >  	if (wip) {
> >  		error = xfs_dir_replace(tp, src_dp, src_name, wip->i_ino,
> > -					&tp->t_firstblock, spaceres);
> > +					spaceres);
> >  	} else
> >  		error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino,
> > -					   &tp->t_firstblock, spaceres);
> > +					   spaceres);
> >  	if (error)
> >  		goto out_bmap_cancel;
> >  
> > diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
> > index 8ddc7f1147dc..583ca83353f7 100644
> > --- a/fs/xfs/xfs_symlink.c
> > +++ b/fs/xfs/xfs_symlink.c
> > @@ -336,8 +336,7 @@ xfs_symlink(
> >  	/*
> >  	 * Create the directory entry for the symlink.
> >  	 */
> > -	error = xfs_dir_createname(tp, dp, link_name, ip->i_ino,
> > -				   &tp->t_firstblock, resblks);
> > +	error = xfs_dir_createname(tp, dp, link_name, ip->i_ino, resblks);
> >  	if (error)
> >  		goto out_bmap_cancel;
> >  	xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
> > -- 
> > 2.17.1
> > 
> > --
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