All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org, chandan.babu@oracle.com, chandanrlinux@gmail.com
Cc: linux-xfs@vger.kernel.org
Subject: [PATCH 08/14] xfs: refactor btree cursor allocation function
Date: Fri, 17 Sep 2021 18:29:53 -0700	[thread overview]
Message-ID: <163192859374.416199.6462613685926781959.stgit@magnolia> (raw)
In-Reply-To: <163192854958.416199.3396890438240296942.stgit@magnolia>

From: Darrick J. Wong <djwong@kernel.org>

Refactor btree allocation to a common helper.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/xfs/libxfs/xfs_alloc_btree.c    |    7 +------
 fs/xfs/libxfs/xfs_bmap_btree.c     |    7 +------
 fs/xfs/libxfs/xfs_btree.c          |   18 ++++++++++++++++++
 fs/xfs/libxfs/xfs_btree.h          |    2 ++
 fs/xfs/libxfs/xfs_ialloc_btree.c   |    7 +------
 fs/xfs/libxfs/xfs_refcount_btree.c |    6 +-----
 fs/xfs/libxfs/xfs_rmap_btree.c     |    6 +-----
 7 files changed, 25 insertions(+), 28 deletions(-)


diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
index 6746fd735550..c644b11132f6 100644
--- a/fs/xfs/libxfs/xfs_alloc_btree.c
+++ b/fs/xfs/libxfs/xfs_alloc_btree.c
@@ -477,12 +477,7 @@ xfs_allocbt_init_common(
 
 	ASSERT(btnum == XFS_BTNUM_BNO || btnum == XFS_BTNUM_CNT);
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
-
-	cur->bc_tp = tp;
-	cur->bc_mp = mp;
-	cur->bc_btnum = btnum;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
+	cur = xfs_btree_alloc_cursor(mp, tp, btnum);
 	cur->bc_ag.abt.active = false;
 
 	if (btnum == XFS_BTNUM_CNT) {
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 72444b8b38a6..a06987e36db5 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -552,13 +552,8 @@ xfs_bmbt_init_cursor(
 	struct xfs_btree_cur	*cur;
 	ASSERT(whichfork != XFS_COW_FORK);
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
-
-	cur->bc_tp = tp;
-	cur->bc_mp = mp;
+	cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_BMAP);
 	cur->bc_nlevels = be16_to_cpu(ifp->if_broot->bb_level) + 1;
-	cur->bc_btnum = XFS_BTNUM_BMAP;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
 	cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_bmbt_2);
 
 	cur->bc_ops = &xfs_bmbt_ops;
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 93fb50516bc2..70785004414e 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -4926,3 +4926,21 @@ xfs_btree_has_more_records(
 	else
 		return block->bb_u.s.bb_rightsib != cpu_to_be32(NULLAGBLOCK);
 }
+
+/* Allocate a new btree cursor of the appropriate size. */
+struct xfs_btree_cur *
+xfs_btree_alloc_cursor(
+	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
+	xfs_btnum_t		btnum)
+{
+	struct xfs_btree_cur	*cur;
+
+	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
+	cur->bc_tp = tp;
+	cur->bc_mp = mp;
+	cur->bc_btnum = btnum;
+	cur->bc_blocklog = mp->m_sb.sb_blocklog;
+
+	return cur;
+}
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 827c44bf24dc..6540c4957c36 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -573,5 +573,7 @@ void xfs_btree_copy_ptrs(struct xfs_btree_cur *cur,
 void xfs_btree_copy_keys(struct xfs_btree_cur *cur,
 		union xfs_btree_key *dst_key,
 		const union xfs_btree_key *src_key, int numkeys);
+struct xfs_btree_cur *xfs_btree_alloc_cursor(struct xfs_mount *mp,
+		struct xfs_trans *tp, xfs_btnum_t btnum);
 
 #endif	/* __XFS_BTREE_H__ */
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index 27190840c5d8..c8fea6a464d5 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -432,10 +432,7 @@ xfs_inobt_init_common(
 {
 	struct xfs_btree_cur	*cur;
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
-	cur->bc_tp = tp;
-	cur->bc_mp = mp;
-	cur->bc_btnum = btnum;
+	cur = xfs_btree_alloc_cursor(mp, tp, btnum);
 	if (btnum == XFS_BTNUM_INO) {
 		cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_ibt_2);
 		cur->bc_ops = &xfs_inobt_ops;
@@ -444,8 +441,6 @@ xfs_inobt_init_common(
 		cur->bc_ops = &xfs_finobt_ops;
 	}
 
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
-
 	if (xfs_has_crc(mp))
 		cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;
 
diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c
index 1ef9b99962ab..48c45e31d897 100644
--- a/fs/xfs/libxfs/xfs_refcount_btree.c
+++ b/fs/xfs/libxfs/xfs_refcount_btree.c
@@ -322,11 +322,7 @@ xfs_refcountbt_init_common(
 
 	ASSERT(pag->pag_agno < mp->m_sb.sb_agcount);
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
-	cur->bc_tp = tp;
-	cur->bc_mp = mp;
-	cur->bc_btnum = XFS_BTNUM_REFC;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
+	cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_REFC);
 	cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_refcbt_2);
 
 	cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c
index b7dbbfb3aeed..f3c4d0965cc9 100644
--- a/fs/xfs/libxfs/xfs_rmap_btree.c
+++ b/fs/xfs/libxfs/xfs_rmap_btree.c
@@ -451,13 +451,9 @@ xfs_rmapbt_init_common(
 {
 	struct xfs_btree_cur	*cur;
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
-	cur->bc_tp = tp;
-	cur->bc_mp = mp;
 	/* Overlapping btree; 2 keys per pointer. */
-	cur->bc_btnum = XFS_BTNUM_RMAP;
+	cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_RMAP);
 	cur->bc_flags = XFS_BTREE_CRC_BLOCKS | XFS_BTREE_OVERLAPPING;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
 	cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_rmap_2);
 	cur->bc_ops = &xfs_rmapbt_ops;
 


  parent reply	other threads:[~2021-09-18  1:29 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-18  1:29 [PATCHSET RFC chandan 00/14] xfs: support dynamic btree cursor height Darrick J. Wong
2021-09-18  1:29 ` [PATCH 01/14] xfs: remove xfs_btree_cur_t typedef Darrick J. Wong
2021-09-20  9:53   ` Chandan Babu R
2021-09-21  8:36   ` Christoph Hellwig
2021-09-18  1:29 ` [PATCH 02/14] xfs: don't allocate scrub contexts on the stack Darrick J. Wong
2021-09-20  9:53   ` Chandan Babu R
2021-09-20 17:39     ` Darrick J. Wong
2021-09-21  8:39   ` Christoph Hellwig
2021-09-18  1:29 ` [PATCH 03/14] xfs: dynamically allocate btree scrub context structure Darrick J. Wong
2021-09-20  9:53   ` Chandan Babu R
2021-09-21  8:43   ` Christoph Hellwig
2021-09-22 16:17     ` Darrick J. Wong
2021-09-18  1:29 ` [PATCH 04/14] xfs: stricter btree height checking when looking for errors Darrick J. Wong
2021-09-20  9:54   ` Chandan Babu R
2021-09-18  1:29 ` [PATCH 05/14] xfs: stricter btree height checking when scanning for btree roots Darrick J. Wong
2021-09-20  9:54   ` Chandan Babu R
2021-09-18  1:29 ` [PATCH 06/14] xfs: check that bc_nlevels never overflows Darrick J. Wong
2021-09-20  9:54   ` Chandan Babu R
2021-09-21  8:44   ` Christoph Hellwig
2021-09-18  1:29 ` [PATCH 07/14] xfs: support dynamic btree cursor heights Darrick J. Wong
2021-09-20  9:55   ` Chandan Babu R
2021-09-21  8:49   ` Christoph Hellwig
2021-09-18  1:29 ` Darrick J. Wong [this message]
2021-09-20  9:55   ` [PATCH 08/14] xfs: refactor btree cursor allocation function Chandan Babu R
2021-09-21  8:53   ` Christoph Hellwig
2021-09-18  1:29 ` [PATCH 09/14] xfs: fix maxlevels comparisons in the btree staging code Darrick J. Wong
2021-09-20  9:55   ` Chandan Babu R
2021-09-21  8:56   ` Christoph Hellwig
2021-09-22 15:59     ` Darrick J. Wong
2021-09-18  1:30 ` [PATCH 10/14] xfs: encode the max btree height in the cursor Darrick J. Wong
2021-09-20  9:55   ` Chandan Babu R
2021-09-21  8:57   ` Christoph Hellwig
2021-09-18  1:30 ` [PATCH 11/14] xfs: dynamically allocate cursors based on maxlevels Darrick J. Wong
2021-09-20  9:56   ` Chandan Babu R
2021-09-20 23:06   ` Dave Chinner
2021-09-20 23:36     ` Dave Chinner
2021-09-21  9:03     ` Christoph Hellwig
2021-09-22 18:55       ` Darrick J. Wong
2021-09-22 17:38     ` Darrick J. Wong
2021-09-22 23:10       ` Dave Chinner
2021-09-23  1:58         ` Darrick J. Wong
2021-09-23  5:56           ` Chandan Babu R
2021-09-18  1:30 ` [PATCH 12/14] xfs: compute actual maximum btree height for critical reservation calculation Darrick J. Wong
2021-09-20  9:56   ` Chandan Babu R
2021-09-18  1:30 ` [PATCH 13/14] xfs: compute the maximum height of the rmap btree when reflink enabled Darrick J. Wong
2021-09-20  9:56   ` Chandan Babu R
2021-09-18  1:30 ` [PATCH 14/14] xfs: kill XFS_BTREE_MAXLEVELS Darrick J. Wong
2021-09-20  9:57   ` Chandan Babu R

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=163192859374.416199.6462613685926781959.stgit@magnolia \
    --to=djwong@kernel.org \
    --cc=chandan.babu@oracle.com \
    --cc=chandanrlinux@gmail.com \
    --cc=linux-xfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.