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From: Christoph Hellwig <hch@lst.de>
To: linux-xfs@vger.kernel.org
Subject: [PATCH 30/34] xfs: devirtualize ->data_bestfree_p
Date: Fri,  1 Nov 2019 15:07:15 -0700	[thread overview]
Message-ID: <20191101220719.29100-31-hch@lst.de> (raw)
In-Reply-To: <20191101220719.29100-1-hch@lst.de>

Replace the ->data_bestfree_p dir ops method with a directly called
xfs_dir2_data_bestfree_p helper that takes care of the differences
between the v4 and v5 on-disk format.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/libxfs/xfs_da_format.c  | 15 ---------------
 fs/xfs/libxfs/xfs_dir2.h       |  3 ---
 fs/xfs/libxfs/xfs_dir2_block.c |  6 +++---
 fs/xfs/libxfs/xfs_dir2_data.c  | 23 ++++++++++++++++-------
 fs/xfs/libxfs/xfs_dir2_leaf.c  | 11 ++++++-----
 fs/xfs/libxfs/xfs_dir2_node.c  |  6 +++---
 fs/xfs/libxfs/xfs_dir2_priv.h  |  2 ++
 fs/xfs/scrub/dir.c             |  7 ++-----
 8 files changed, 32 insertions(+), 41 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c
index dd2389748672..b9f9fbf7eee2 100644
--- a/fs/xfs/libxfs/xfs_da_format.c
+++ b/fs/xfs/libxfs/xfs_da_format.c
@@ -56,34 +56,19 @@ xfs_dir3_data_put_ftype(
 	dep->name[dep->namelen] = type;
 }
 
-static struct xfs_dir2_data_free *
-xfs_dir2_data_bestfree_p(struct xfs_dir2_data_hdr *hdr)
-{
-	return hdr->bestfree;
-}
-
-static struct xfs_dir2_data_free *
-xfs_dir3_data_bestfree_p(struct xfs_dir2_data_hdr *hdr)
-{
-	return ((struct xfs_dir3_data_hdr *)hdr)->best_free;
-}
-
 static const struct xfs_dir_ops xfs_dir2_ops = {
 	.data_get_ftype = xfs_dir2_data_get_ftype,
 	.data_put_ftype = xfs_dir2_data_put_ftype,
-	.data_bestfree_p = xfs_dir2_data_bestfree_p,
 };
 
 static const struct xfs_dir_ops xfs_dir2_ftype_ops = {
 	.data_get_ftype = xfs_dir3_data_get_ftype,
 	.data_put_ftype = xfs_dir3_data_put_ftype,
-	.data_bestfree_p = xfs_dir2_data_bestfree_p,
 };
 
 static const struct xfs_dir_ops xfs_dir3_ops = {
 	.data_get_ftype = xfs_dir3_data_get_ftype,
 	.data_put_ftype = xfs_dir3_data_put_ftype,
-	.data_bestfree_p = xfs_dir3_data_bestfree_p,
 };
 
 /*
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index 11dba3874da0..76d6d38154fb 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -35,8 +35,6 @@ struct xfs_dir_ops {
 	uint8_t (*data_get_ftype)(struct xfs_dir2_data_entry *dep);
 	void	(*data_put_ftype)(struct xfs_dir2_data_entry *dep,
 				uint8_t ftype);
-	struct xfs_dir2_data_free *
-		(*data_bestfree_p)(struct xfs_dir2_data_hdr *hdr);
 };
 
 extern const struct xfs_dir_ops *
@@ -81,7 +79,6 @@ extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
 				struct xfs_buf *bp);
 
 extern void xfs_dir2_data_freescan_int(struct xfs_mount *mp,
-		const struct xfs_dir_ops *ops,
 		struct xfs_dir2_data_hdr *hdr, int *loghead);
 extern void xfs_dir2_data_freescan(struct xfs_inode *dp,
 		struct xfs_dir2_data_hdr *hdr, int *loghead);
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index d5f4b7187b72..50b4f1bf25a3 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -172,7 +172,7 @@ xfs_dir2_block_need_space(
 	struct xfs_dir2_data_unused	*enddup = NULL;
 
 	*compact = 0;
-	bf = dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 
 	/*
 	 * If there are stale entries we'll use one for the leaf.
@@ -1207,8 +1207,8 @@ xfs_dir2_sf_to_block(
 				((char *)dup - (char *)hdr));
 			xfs_dir2_data_log_unused(args, bp, dup);
 			xfs_dir2_data_freeinsert(hdr,
-						 dp->d_ops->data_bestfree_p(hdr),
-						 dup, &dummy);
+					xfs_dir2_data_bestfree_p(mp, hdr),
+					dup, &dummy);
 			offset += be16_to_cpu(dup->length);
 			continue;
 		}
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index c44c455b961f..353629c3a1e8 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -24,6 +24,16 @@ static xfs_failaddr_t xfs_dir2_data_freefind_verify(
 		struct xfs_dir2_data_unused *dup,
 		struct xfs_dir2_data_free **bf_ent);
 
+struct xfs_dir2_data_free *
+xfs_dir2_data_bestfree_p(
+	struct xfs_mount		*mp,
+	struct xfs_dir2_data_hdr	*hdr)
+{
+	if (xfs_sb_version_hascrc(&mp->m_sb))
+		return ((struct xfs_dir3_data_hdr *)hdr)->best_free;
+	return hdr->bestfree;
+}
+
 int
 xfs_dir2_data_entsize(
 	struct xfs_mount	*mp,
@@ -130,7 +140,7 @@ __xfs_dir3_data_check(
 	/*
 	 * Account for zero bestfree entries.
 	 */
-	bf = ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(mp, hdr);
 	count = lastfree = freeseen = 0;
 	if (!bf[0].length) {
 		if (bf[0].offset)
@@ -590,7 +600,6 @@ xfs_dir2_data_freeremove(
 void
 xfs_dir2_data_freescan_int(
 	struct xfs_mount	*mp,
-	const struct xfs_dir_ops *ops,
 	struct xfs_dir2_data_hdr *hdr,
 	int			*loghead)
 {
@@ -609,7 +618,7 @@ xfs_dir2_data_freescan_int(
 	/*
 	 * Start by clearing the table.
 	 */
-	bf = ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(mp, hdr);
 	memset(bf, 0, sizeof(*bf) * XFS_DIR2_DATA_FD_COUNT);
 	*loghead = 1;
 	/*
@@ -650,7 +659,7 @@ xfs_dir2_data_freescan(
 	struct xfs_dir2_data_hdr *hdr,
 	int			*loghead)
 {
-	return xfs_dir2_data_freescan_int(dp->i_mount, dp->d_ops, hdr, loghead);
+	return xfs_dir2_data_freescan_int(dp->i_mount, hdr, loghead);
 }
 
 /*
@@ -703,7 +712,7 @@ xfs_dir3_data_init(
 	} else
 		hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
 
-	bf = dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(mp, hdr);
 	bf[0].offset = cpu_to_be16(args->geo->data_entry_offset);
 	for (i = 1; i < XFS_DIR2_DATA_FD_COUNT; i++) {
 		bf[i].length = 0;
@@ -862,7 +871,7 @@ xfs_dir2_data_make_free(
 	 * Previous and following entries are both free,
 	 * merge everything into a single free entry.
 	 */
-	bf = args->dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(args->dp->i_mount, hdr);
 	if (prevdup && postdup) {
 		xfs_dir2_data_free_t	*dfp2;	/* another bestfree pointer */
 
@@ -1053,7 +1062,7 @@ xfs_dir2_data_use_free(
 	 * Look up the entry in the bestfree table.
 	 */
 	oldlen = be16_to_cpu(dup->length);
-	bf = args->dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(args->dp->i_mount, hdr);
 	dfp = xfs_dir2_data_freefind(hdr, bf, dup);
 	ASSERT(dfp || oldlen <= be16_to_cpu(bf[2].length));
 	/*
diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
index c228ff66b3f0..30ccf44d817a 100644
--- a/fs/xfs/libxfs/xfs_dir2_leaf.c
+++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
@@ -425,7 +425,7 @@ xfs_dir2_block_to_leaf(
 	xfs_dir3_data_check(dp, dbp);
 	btp = xfs_dir2_block_tail_p(args->geo, hdr);
 	blp = xfs_dir2_block_leaf_p(btp);
-	bf = dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 
 	/*
 	 * Set the counts in the leaf header.
@@ -823,7 +823,7 @@ xfs_dir2_leaf_addname(
 		else
 			xfs_dir3_leaf_log_bests(args, lbp, use_block, use_block);
 		hdr = dbp->b_addr;
-		bf = dp->d_ops->data_bestfree_p(hdr);
+		bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 		bestsp[use_block] = bf[0].length;
 		grown = 1;
 	} else {
@@ -839,7 +839,7 @@ xfs_dir2_leaf_addname(
 			return error;
 		}
 		hdr = dbp->b_addr;
-		bf = dp->d_ops->data_bestfree_p(hdr);
+		bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 		grown = 0;
 	}
 	/*
@@ -1376,7 +1376,7 @@ xfs_dir2_leaf_removename(
 	leaf = lbp->b_addr;
 	hdr = dbp->b_addr;
 	xfs_dir3_data_check(dp, dbp);
-	bf = dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 
 	/*
 	 * Point to the leaf entry, use that to point to the data entry.
@@ -1618,7 +1618,8 @@ xfs_dir2_leaf_trim_data(
 #ifdef DEBUG
 {
 	struct xfs_dir2_data_hdr *hdr = dbp->b_addr;
-	struct xfs_dir2_data_free *bf = dp->d_ops->data_bestfree_p(hdr);
+	struct xfs_dir2_data_free *bf =
+		xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 
 	ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
 	       hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index 58362169aa57..d4a1d2455e72 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -1311,7 +1311,7 @@ xfs_dir2_leafn_remove(
 	dbp = dblk->bp;
 	hdr = dbp->b_addr;
 	dep = (xfs_dir2_data_entry_t *)((char *)hdr + off);
-	bf = dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 	longest = be16_to_cpu(bf[0].length);
 	needlog = needscan = 0;
 	xfs_dir2_data_make_free(args, dbp, off,
@@ -1769,7 +1769,7 @@ xfs_dir2_node_add_datablk(
 	}
 
 	/* Update the freespace value for the new block in the table. */
-	bf = dp->d_ops->data_bestfree_p(dbp->b_addr);
+	bf = xfs_dir2_data_bestfree_p(mp, dbp->b_addr);
 	hdr->bests[*findex] = bf[0].length;
 
 	*dbpp = dbp;
@@ -1942,7 +1942,7 @@ xfs_dir2_node_addname_int(
 
 	/* setup for data block up now */
 	hdr = dbp->b_addr;
-	bf = dp->d_ops->data_bestfree_p(hdr);
+	bf = xfs_dir2_data_bestfree_p(dp->i_mount, hdr);
 	ASSERT(be16_to_cpu(bf[0].length) >= length);
 
 	/* Point to the existing unused space. */
diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h
index 750344407f27..436693514c7c 100644
--- a/fs/xfs/libxfs/xfs_dir2_priv.h
+++ b/fs/xfs/libxfs/xfs_dir2_priv.h
@@ -47,6 +47,8 @@ extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
 		struct xfs_buf *lbp, struct xfs_buf *dbp);
 
 /* xfs_dir2_data.c */
+struct xfs_dir2_data_free *xfs_dir2_data_bestfree_p(struct xfs_mount *mp,
+		struct xfs_dir2_data_hdr *hdr);
 int xfs_dir2_data_entsize(struct xfs_mount *mp, int n);
 __be16 *xfs_dir2_data_entry_tag_p(struct xfs_mount *mp,
 		struct xfs_dir2_data_entry *dep);
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c
index d13c863d72a5..54772ad9a431 100644
--- a/fs/xfs/scrub/dir.c
+++ b/fs/xfs/scrub/dir.c
@@ -327,7 +327,6 @@ xchk_directory_data_bestfree(
 	struct xfs_buf			*bp;
 	struct xfs_dir2_data_free	*bf;
 	struct xfs_mount		*mp = sc->mp;
-	const struct xfs_dir_ops	*d_ops;
 	char				*ptr;
 	char				*endptr;
 	u16				tag;
@@ -338,8 +337,6 @@ xchk_directory_data_bestfree(
 	int				offset;
 	int				error;
 
-	d_ops = sc->ip->d_ops;
-
 	if (is_block) {
 		/* dir block format */
 		if (lblk != XFS_B_TO_FSBT(mp, XFS_DIR2_DATA_OFFSET))
@@ -359,7 +356,7 @@ xchk_directory_data_bestfree(
 		goto out_buf;
 
 	/* Do the bestfrees correspond to actual free space? */
-	bf = d_ops->data_bestfree_p(bp->b_addr);
+	bf = xfs_dir2_data_bestfree_p(mp, bp->b_addr);
 	smallest_bestfree = UINT_MAX;
 	for (dfp = &bf[0]; dfp < &bf[XFS_DIR2_DATA_FD_COUNT]; dfp++) {
 		offset = be16_to_cpu(dfp->offset);
@@ -466,7 +463,7 @@ xchk_directory_check_freesp(
 {
 	struct xfs_dir2_data_free	*dfp;
 
-	dfp = sc->ip->d_ops->data_bestfree_p(dbp->b_addr);
+	dfp = xfs_dir2_data_bestfree_p(sc->mp, dbp->b_addr);
 
 	if (len != be16_to_cpu(dfp->length))
 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
-- 
2.20.1


  parent reply	other threads:[~2019-11-01 22:10 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-01 22:06 remove m_dirops Christoph Hellwig
2019-11-01 22:06 ` [PATCH 01/34] xfs: move incore structures out of xfs_da_format.h Christoph Hellwig
2019-11-04 18:21   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 02/34] xfs: refactor btree node scrubbing Christoph Hellwig
2019-11-04 18:36   ` Darrick J. Wong
2019-11-05  1:35     ` Christoph Hellwig
2019-11-01 22:06 ` [PATCH 03/34] xfs: devirtualize ->node_hdr_from_disk Christoph Hellwig
2019-11-04 18:37   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 04/34] xfs: devirtualize ->node_hdr_to_disk Christoph Hellwig
2019-11-04 18:39   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 05/34] xfs: add a btree entries pointer to struct xfs_da3_icnode_hdr Christoph Hellwig
2019-11-04 19:52   ` Darrick J. Wong
2019-11-05  1:38     ` Christoph Hellwig
2019-11-05  1:58       ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 06/34] xfs: move the node header size to struct xfs_da_geometry Christoph Hellwig
2019-11-04 19:58   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 07/34] xfs: devirtualize ->leaf_hdr_from_disk Christoph Hellwig
2019-11-04 19:59   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 08/34] xfs: devirtualize ->leaf_hdr_to_disk Christoph Hellwig
2019-11-04 20:00   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 09/34] xfs: add a entries pointer to struct xfs_dir3_icleaf_hdr Christoph Hellwig
2019-11-04 20:04   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 10/34] xfs: move the dir2 leaf header size to struct xfs_da_geometry Christoph Hellwig
2019-11-04 20:05   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 11/34] xfs: move the max dir2 leaf entries count " Christoph Hellwig
2019-11-04 20:07   ` Darrick J. Wong
2019-11-05  1:42     ` Christoph Hellwig
2019-11-05  1:58       ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 12/34] xfs: devirtualize ->free_hdr_from_disk Christoph Hellwig
2019-11-04 20:08   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 13/34] xfs: devirtualize ->free_hdr_to_disk Christoph Hellwig
2019-11-04 20:08   ` Darrick J. Wong
2019-11-01 22:06 ` [PATCH 14/34] xfs: make the xfs_dir3_icfree_hdr available to xfs_dir2_node_addname_int Christoph Hellwig
2019-11-04 20:25   ` Darrick J. Wong
2019-11-05  1:52     ` Christoph Hellwig
2019-11-05  1:59       ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 15/34] xfs: add a bests pointer to struct xfs_dir3_icfree_hdr Christoph Hellwig
2019-11-04 20:21   ` Darrick J. Wong
2019-11-05  1:44     ` Christoph Hellwig
2019-11-05  2:05       ` Darrick J. Wong
2019-11-05 16:44         ` Christoph Hellwig
2019-11-01 22:07 ` [PATCH 16/34] xfs: move the dir2 free header size to struct xfs_da_geometry Christoph Hellwig
2019-11-04 20:22   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 17/34] xfs: move the max dir2 free bests count " Christoph Hellwig
2019-11-04 20:23   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 18/34] xfs: devirtualize ->db_to_fdb and ->db_to_fdindex Christoph Hellwig
2019-11-04 20:26   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 19/34] xfs: devirtualize ->sf_get_parent_ino and ->sf_put_parent_ino Christoph Hellwig
2019-11-04 20:26   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 20/34] xfs: devirtualize ->sf_entsize and ->sf_nextentry Christoph Hellwig
2019-11-04 20:28   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 21/34] xfs: devirtualize ->sf_get_ino and ->sf_put_ino Christoph Hellwig
2019-11-04 20:33   ` Darrick J. Wong
2019-11-07  1:05     ` Darrick J. Wong
2019-11-07  8:29       ` Christoph Hellwig
2019-11-01 22:07 ` [PATCH 22/34] xfs: devirtualize ->sf_get_ftype and ->sf_put_ftype Christoph Hellwig
2019-11-04 20:34   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 23/34] xfs: remove the ->data_dot_entry_p and ->data_dotdot_entry_p methods Christoph Hellwig
2019-11-04 20:37   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 24/34] xfs: remove the unused ->data_first_entry_p method Christoph Hellwig
2019-11-04 20:38   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 25/34] xfs: remove the ->data_entry_entry_p method Christoph Hellwig
2019-11-04 20:41   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 26/34] xfs: devirtualize ->data_entsize Christoph Hellwig
2019-11-04 20:45   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 27/34] xfs: devirtualize ->data_entry_tag_p Christoph Hellwig
2019-11-04 20:45   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 28/34] xfs: move the dir2 data block fixed offsets to struct xfs_da_geometry Christoph Hellwig
2019-11-04 20:46   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 29/34] xfs: cleanup xfs_dir2_data_entsize Christoph Hellwig
2019-11-04 20:48   ` Darrick J. Wong
2019-11-01 22:07 ` Christoph Hellwig [this message]
2019-11-04 20:49   ` [PATCH 30/34] xfs: devirtualize ->data_bestfree_p Darrick J. Wong
2019-11-01 22:07 ` [PATCH 31/34] xfs: devirtualize ->data_get_ftype and ->data_put_ftype Christoph Hellwig
2019-11-04 20:50   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 32/34] xfs: remove the now unused dir ops infrastructure Christoph Hellwig
2019-11-04 20:50   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 33/34] xfs: merge xfs_dir2_data_freescan and xfs_dir2_data_freescan_int Christoph Hellwig
2019-11-04 20:51   ` Darrick J. Wong
2019-11-01 22:07 ` [PATCH 34/34] xfs: always pass a valid hdr to xfs_dir3_leaf_check_int Christoph Hellwig
2019-11-04 20:53   ` Darrick J. Wong

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