linux-kernel - [PATCH 11/12] xfs: convert to bioset_init()/mempool

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Message-Id: <20180520222558.7053-12-kent.overstreet@gmail.com>
Date:   Sun, 20 May 2018 18:25:57 -0400
From:   Kent Overstreet <kent.overstreet@...il.com>
To:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        axboe@...nel.dk, hch@...radead.org, colyli@...e.de,
        snitzer@...hat.com, darrick.wong@...cle.com, clm@...com,
        bacik@...com, linux-xfs@...r.kernel.org, drbd-dev@...ts.linbit.com,
        linux-btrfs@...r.kernel.org, linux-raid@...r.kernel.org,
        neilb@...e.com
Cc:     Kent Overstreet <kent.overstreet@...il.com>
Subject: [PATCH 11/12] xfs: convert to bioset_init()/mempool_init()

Signed-off-by: Kent Overstreet <kent.overstreet@...il.com>
---
 fs/xfs/xfs_aops.c  |  2 +-
 fs/xfs/xfs_aops.h  |  2 +-
 fs/xfs/xfs_super.c | 11 +++++------
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 0ab824f574..102463543d 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -594,7 +594,7 @@ xfs_alloc_ioend(
 	struct xfs_ioend	*ioend;
 	struct bio		*bio;
 
-	bio = bio_alloc_bioset(GFP_NOFS, BIO_MAX_PAGES, xfs_ioend_bioset);
+	bio = bio_alloc_bioset(GFP_NOFS, BIO_MAX_PAGES, &xfs_ioend_bioset);
 	xfs_init_bio_from_bh(bio, bh);
 
 	ioend = container_of(bio, struct xfs_ioend, io_inline_bio);
diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h
index 69346d460d..694c85b038 100644
--- a/fs/xfs/xfs_aops.h
+++ b/fs/xfs/xfs_aops.h
@@ -18,7 +18,7 @@
 #ifndef __XFS_AOPS_H__
 #define __XFS_AOPS_H__
 
-extern struct bio_set *xfs_ioend_bioset;
+extern struct bio_set xfs_ioend_bioset;
 
 /*
  * Types of I/O for bmap clustering and I/O completion tracking.
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index d714240529..f643d76db5 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -63,7 +63,7 @@
 #include <linux/parser.h>
 
 static const struct super_operations xfs_super_operations;
-struct bio_set *xfs_ioend_bioset;
+struct bio_set xfs_ioend_bioset;
 
 static struct kset *xfs_kset;		/* top-level xfs sysfs dir */
 #ifdef DEBUG
@@ -1845,10 +1845,9 @@ MODULE_ALIAS_FS("xfs");
 STATIC int __init
 xfs_init_zones(void)
 {
-	xfs_ioend_bioset = bioset_create(4 * MAX_BUF_PER_PAGE,
+	if (bioset_init(&xfs_ioend_bioset, 4 * MAX_BUF_PER_PAGE,
 			offsetof(struct xfs_ioend, io_inline_bio),
-			BIOSET_NEED_BVECS);
-	if (!xfs_ioend_bioset)
+			BIOSET_NEED_BVECS))
 		goto out;
 
 	xfs_log_ticket_zone = kmem_zone_init(sizeof(xlog_ticket_t),
@@ -1997,7 +1996,7 @@ xfs_init_zones(void)
  out_destroy_log_ticket_zone:
 	kmem_zone_destroy(xfs_log_ticket_zone);
  out_free_ioend_bioset:
-	bioset_free(xfs_ioend_bioset);
+	bioset_exit(&xfs_ioend_bioset);
  out:
 	return -ENOMEM;
 }
@@ -2029,7 +2028,7 @@ xfs_destroy_zones(void)
 	kmem_zone_destroy(xfs_btree_cur_zone);
 	kmem_zone_destroy(xfs_bmap_free_item_zone);
 	kmem_zone_destroy(xfs_log_ticket_zone);
-	bioset_free(xfs_ioend_bioset);
+	bioset_exit(&xfs_ioend_bioset);
 }
 
 STATIC int __init
-- 
2.17.0