Commit 74b4c5d4 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: remove unnecessary int returns from deferred refcount functions 



Remove the return value from the functions that schedule deferred
refcount operations since they never fail and do not return status.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
parent bc46ac64

fs/xfs/libxfs/xfs_bmap.c

+6 −15
Original line number Diff line number Diff line
@@ -4393,12 +4393,9 @@ xfs_bmapi_write( 
			 * If this is a CoW allocation, record the data in

			 * the refcount btree for orphan recovery.

			 */

			if (whichfork == XFS_COW_FORK) {

				error = xfs_refcount_alloc_cow_extent(tp,

						bma.blkno, bma.length);

				if (error)

					goto error0;

			}

			if (whichfork == XFS_COW_FORK)

				xfs_refcount_alloc_cow_extent(tp, bma.blkno,

						bma.length);

		}



		/* Deal with the allocated space we found.  */
@@ -4532,12 +4529,8 @@ xfs_bmapi_convert_delalloc( 
	*imap = bma.got;

	*seq = READ_ONCE(ifp->if_seq);



	if (whichfork == XFS_COW_FORK) {

		error = xfs_refcount_alloc_cow_extent(tp, bma.blkno,

				bma.length);

		if (error)

			goto out_finish;

	}

	if (whichfork == XFS_COW_FORK)

		xfs_refcount_alloc_cow_extent(tp, bma.blkno, bma.length);



	error = xfs_bmap_btree_to_extents(tp, ip, bma.cur, &bma.logflags,

			whichfork);
@@ -5148,9 +5141,7 @@ xfs_bmap_del_extent_real( 
	 */

	if (do_fx && !(bflags & XFS_BMAPI_REMAP)) {

		if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) {

			error = xfs_refcount_decrease_extent(tp, del);

			if (error)

				goto done;

			xfs_refcount_decrease_extent(tp, del);

		} else {

			__xfs_bmap_add_free(tp, del->br_startblock,

					del->br_blockcount, NULL,

fs/xfs/libxfs/xfs_refcount.c

+16 −23
Original line number Diff line number Diff line
@@ -1174,7 +1174,7 @@ out_cur: 
/*

 * Record a refcount intent for later processing.

 */

static int

static void

__xfs_refcount_add(

	struct xfs_trans		*tp,

	enum xfs_refcount_intent_type	type,
@@ -1196,37 +1196,36 @@ __xfs_refcount_add( 
	ri->ri_blockcount = blockcount;



	xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_REFCOUNT, &ri->ri_list);

	return 0;

}



/*

 * Increase the reference count of the blocks backing a file's extent.

 */

int

void

xfs_refcount_increase_extent(

	struct xfs_trans		*tp,

	struct xfs_bmbt_irec		*PREV)

{

	if (!xfs_sb_version_hasreflink(&tp->t_mountp->m_sb))

		return 0;

		return;



	return __xfs_refcount_add(tp, XFS_REFCOUNT_INCREASE,

			PREV->br_startblock, PREV->br_blockcount);

	__xfs_refcount_add(tp, XFS_REFCOUNT_INCREASE, PREV->br_startblock,

			PREV->br_blockcount);

}



/*

 * Decrease the reference count of the blocks backing a file's extent.

 */

int

void

xfs_refcount_decrease_extent(

	struct xfs_trans		*tp,

	struct xfs_bmbt_irec		*PREV)

{

	if (!xfs_sb_version_hasreflink(&tp->t_mountp->m_sb))

		return 0;

		return;



	return __xfs_refcount_add(tp, XFS_REFCOUNT_DECREASE,

			PREV->br_startblock, PREV->br_blockcount);

	__xfs_refcount_add(tp, XFS_REFCOUNT_DECREASE, PREV->br_startblock,

			PREV->br_blockcount);

}



/*
@@ -1541,30 +1540,26 @@ __xfs_refcount_cow_free( 
}



/* Record a CoW staging extent in the refcount btree. */

int

void

xfs_refcount_alloc_cow_extent(

	struct xfs_trans		*tp,

	xfs_fsblock_t			fsb,

	xfs_extlen_t			len)

{

	struct xfs_mount		*mp = tp->t_mountp;

	int				error;



	if (!xfs_sb_version_hasreflink(&mp->m_sb))

		return 0;

		return;



	error = __xfs_refcount_add(tp, XFS_REFCOUNT_ALLOC_COW, fsb, len);

	if (error)

		return error;

	__xfs_refcount_add(tp, XFS_REFCOUNT_ALLOC_COW, fsb, len);



	/* Add rmap entry */

	xfs_rmap_alloc_extent(tp, XFS_FSB_TO_AGNO(mp, fsb),

			XFS_FSB_TO_AGBNO(mp, fsb), len, XFS_RMAP_OWN_COW);

	return 0;

}



/* Forget a CoW staging event in the refcount btree. */

int

void

xfs_refcount_free_cow_extent(

	struct xfs_trans		*tp,

	xfs_fsblock_t			fsb,
@@ -1573,12 +1568,12 @@ xfs_refcount_free_cow_extent( 
	struct xfs_mount		*mp = tp->t_mountp;



	if (!xfs_sb_version_hasreflink(&mp->m_sb))

		return 0;

		return;



	/* Remove rmap entry */

	xfs_rmap_free_extent(tp, XFS_FSB_TO_AGNO(mp, fsb),

			XFS_FSB_TO_AGBNO(mp, fsb), len, XFS_RMAP_OWN_COW);

	return __xfs_refcount_add(tp, XFS_REFCOUNT_FREE_COW, fsb, len);

	__xfs_refcount_add(tp, XFS_REFCOUNT_FREE_COW, fsb, len);

}



struct xfs_refcount_recovery {
@@ -1676,10 +1671,8 @@ xfs_refcount_recover_cow_leftovers( 
		/* Free the orphan record */

		agbno = rr->rr_rrec.rc_startblock - XFS_REFC_COW_START;

		fsb = XFS_AGB_TO_FSB(mp, agno, agbno);

		error = xfs_refcount_free_cow_extent(tp, fsb,

		xfs_refcount_free_cow_extent(tp, fsb,

				rr->rr_rrec.rc_blockcount);

		if (error)

			goto out_trans;



		/* Free the block. */

		xfs_bmap_add_free(tp, fsb, rr->rr_rrec.rc_blockcount, NULL);

fs/xfs/libxfs/xfs_refcount.h

+6 −6
Original line number Diff line number Diff line
@@ -29,9 +29,9 @@ struct xfs_refcount_intent { 
	xfs_extlen_t				ri_blockcount;

};



extern int xfs_refcount_increase_extent(struct xfs_trans *tp,

void xfs_refcount_increase_extent(struct xfs_trans *tp,

		struct xfs_bmbt_irec *irec);

extern int xfs_refcount_decrease_extent(struct xfs_trans *tp,

void xfs_refcount_decrease_extent(struct xfs_trans *tp,

		struct xfs_bmbt_irec *irec);



extern void xfs_refcount_finish_one_cleanup(struct xfs_trans *tp,
@@ -45,10 +45,10 @@ extern int xfs_refcount_find_shared(struct xfs_btree_cur *cur, 
		xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno,

		xfs_extlen_t *flen, bool find_end_of_shared);



extern int xfs_refcount_alloc_cow_extent(struct xfs_trans *tp,

		xfs_fsblock_t fsb, xfs_extlen_t len);

extern int xfs_refcount_free_cow_extent(struct xfs_trans *tp,

		xfs_fsblock_t fsb, xfs_extlen_t len);

void xfs_refcount_alloc_cow_extent(struct xfs_trans *tp, xfs_fsblock_t fsb,

		xfs_extlen_t len);

void xfs_refcount_free_cow_extent(struct xfs_trans *tp, xfs_fsblock_t fsb,

		xfs_extlen_t len);

extern int xfs_refcount_recover_cow_leftovers(struct xfs_mount *mp,

		xfs_agnumber_t agno);

fs/xfs/xfs_refcount_item.c

+4 −6
Original line number Diff line number Diff line
@@ -555,26 +555,24 @@ xfs_cui_recover( 
			irec.br_blockcount = new_len;

			switch (type) {

			case XFS_REFCOUNT_INCREASE:

				error = xfs_refcount_increase_extent(tp, &irec);

				xfs_refcount_increase_extent(tp, &irec);

				break;

			case XFS_REFCOUNT_DECREASE:

				error = xfs_refcount_decrease_extent(tp, &irec);

				xfs_refcount_decrease_extent(tp, &irec);

				break;

			case XFS_REFCOUNT_ALLOC_COW:

				error = xfs_refcount_alloc_cow_extent(tp,

				xfs_refcount_alloc_cow_extent(tp,

						irec.br_startblock,

						irec.br_blockcount);

				break;

			case XFS_REFCOUNT_FREE_COW:

				error = xfs_refcount_free_cow_extent(tp,

				xfs_refcount_free_cow_extent(tp,

						irec.br_startblock,

						irec.br_blockcount);

				break;

			default:

				ASSERT(0);

			}

			if (error)

				goto abort_error;

			requeue_only = true;

		}

	}

fs/xfs/xfs_reflink.c

+4 −11
Original line number Diff line number Diff line
@@ -495,10 +495,8 @@ xfs_reflink_cancel_cow_blocks( 
			ASSERT((*tpp)->t_firstblock == NULLFSBLOCK);



			/* Free the CoW orphan record. */

			error = xfs_refcount_free_cow_extent(*tpp,

					del.br_startblock, del.br_blockcount);

			if (error)

				break;

			xfs_refcount_free_cow_extent(*tpp, del.br_startblock,

					del.br_blockcount);



			xfs_bmap_add_free(*tpp, del.br_startblock,

					  del.br_blockcount, NULL);
@@ -675,10 +673,7 @@ xfs_reflink_end_cow_extent( 
	trace_xfs_reflink_cow_remap(ip, &del);



	/* Free the CoW orphan record. */

	error = xfs_refcount_free_cow_extent(tp, del.br_startblock,

			del.br_blockcount);

	if (error)

		goto out_cancel;

	xfs_refcount_free_cow_extent(tp, del.br_startblock, del.br_blockcount);



	/* Map the new blocks into the data fork. */

	error = xfs_bmap_map_extent(tp, ip, &del);
@@ -1070,9 +1065,7 @@ xfs_reflink_remap_extent( 
				uirec.br_blockcount, uirec.br_startblock);



		/* Update the refcount tree */

		error = xfs_refcount_increase_extent(tp, &uirec);

		if (error)

			goto out_cancel;

		xfs_refcount_increase_extent(tp, &uirec);



		/* Map the new blocks into the data fork. */

		error = xfs_bmap_map_extent(tp, ip, &uirec);

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