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From: Christoph Hellwig <hch@lst.de>
To: Chandan Babu R <chandan.babu@oracle.com>,
	"Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org
Subject: [PATCH 12/16] xfs: factor out a xfs_dir2_sf_addname_common helper
Date: Tue, 30 Apr 2024 14:49:22 +0200	[thread overview]
Message-ID: <20240430124926.1775355-13-hch@lst.de> (raw)
In-Reply-To: <20240430124926.1775355-1-hch@lst.de>

Move the common code between the easy and hard cases into a common helper.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/libxfs/xfs_dir2_sf.c | 48 +++++++++++++++++++------------------
 1 file changed, 25 insertions(+), 23 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index 1e1dcdf83b8f95..43e1090082b45d 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -360,6 +360,27 @@ xfs_dir2_try_block_to_sf(
 	return error;
 }
 
+static void
+xfs_dir2_sf_addname_common(
+	struct xfs_da_args	*args,
+	struct xfs_dir2_sf_entry *sfep,
+	xfs_dir2_data_aoff_t	offset,
+	bool			objchange)
+{
+	struct xfs_inode	*dp = args->dp;
+	struct xfs_mount	*mp = dp->i_mount;
+	struct xfs_dir2_sf_hdr	*sfp = dp->i_df.if_data;
+
+	sfep->namelen = args->namelen;
+	xfs_dir2_sf_put_offset(sfep, offset);
+	memcpy(sfep->name, args->name, sfep->namelen);
+	xfs_dir2_sf_put_ino(mp, sfp, sfep, args->inumber);
+	xfs_dir2_sf_put_ftype(mp, sfep, args->filetype);
+	sfp->count++;
+	if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange)
+		sfp->i8count++;
+}
+
 /*
  * Add a name to a shortform directory.
  * There are two algorithms, "easy" and "hard" which we decide on
@@ -476,21 +497,7 @@ xfs_dir2_sf_addname_easy(
 	 * Need to set up again due to realloc of the inode data.
 	 */
 	sfep = (xfs_dir2_sf_entry_t *)((char *)sfp + byteoff);
-	/*
-	 * Fill in the new entry.
-	 */
-	sfep->namelen = args->namelen;
-	xfs_dir2_sf_put_offset(sfep, offset);
-	memcpy(sfep->name, args->name, sfep->namelen);
-	xfs_dir2_sf_put_ino(mp, sfp, sfep, args->inumber);
-	xfs_dir2_sf_put_ftype(mp, sfep, args->filetype);
-
-	/*
-	 * Update the header and inode.
-	 */
-	sfp->count++;
-	if (args->inumber > XFS_DIR2_MAX_SHORT_INUM)
-		sfp->i8count++;
+	xfs_dir2_sf_addname_common(args, sfep, offset, false);
 	dp->i_disk_size = new_isize;
 	xfs_dir2_sf_check(args);
 }
@@ -562,17 +569,12 @@ xfs_dir2_sf_addname_hard(
 	nbytes = (int)((char *)oldsfep - (char *)oldsfp);
 	memcpy(sfp, oldsfp, nbytes);
 	sfep = (xfs_dir2_sf_entry_t *)((char *)sfp + nbytes);
+
 	/*
 	 * Fill in the new entry, and update the header counts.
 	 */
-	sfep->namelen = args->namelen;
-	xfs_dir2_sf_put_offset(sfep, offset);
-	memcpy(sfep->name, args->name, sfep->namelen);
-	xfs_dir2_sf_put_ino(mp, sfp, sfep, args->inumber);
-	xfs_dir2_sf_put_ftype(mp, sfep, args->filetype);
-	sfp->count++;
-	if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange)
-		sfp->i8count++;
+	xfs_dir2_sf_addname_common(args, sfep, offset, objchange);
+
 	/*
 	 * If there's more left to copy, do that.
 	 */
-- 
2.39.2


  parent reply	other threads:[~2024-04-30 12:50 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-30 12:49 optimize local for and shortform directory handling Christoph Hellwig
2024-04-30 12:49 ` [PATCH 01/16] xfs: allow non-empty forks in xfs_bmap_local_to_extents_empty Christoph Hellwig
2024-04-30 15:51   ` Darrick J. Wong
2024-05-01  4:37     ` Christoph Hellwig
2024-05-01 21:04       ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 02/16] xfs: remove an extra buffer allocation in xfs_attr_shortform_to_leaf Christoph Hellwig
2024-05-01 21:11   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 03/16] xfs: rationalize dir2_sf entry condition asserts Christoph Hellwig
2024-05-01 21:13   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 04/16] xfs: remove an extra buffer allocation in xfs_dir2_sf_to_block Christoph Hellwig
2024-05-01 21:15   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 05/16] xfs: move the "does it fit" check into xfs_dir2_block_to_sf Christoph Hellwig
2024-05-01 21:16   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 06/16] xfs: remove the buffer allocation size in xfs_dir2_try_block_to_sf Christoph Hellwig
2024-05-01 21:17   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 07/16] xfs: remove a superfluous memory allocation in xfs_dir2_block_to_sf Christoph Hellwig
2024-05-01 21:18   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 08/16] xfs: remove a superfluous memory allocation in xfs_dir2_sf_toino8 Christoph Hellwig
2024-05-01 21:20   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 09/16] xfs: remove a superfluous memory allocation in xfs_dir2_sf_toino4 Christoph Hellwig
2024-05-01 21:20   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 10/16] xfs: optimize removing the last 8-byte inode from a shortform directory Christoph Hellwig
2024-05-01 21:25   ` Darrick J. Wong
2024-05-02  4:13     ` Christoph Hellwig
2024-04-30 12:49 ` [PATCH 11/16] xfs: add xfs_dir2_block_overhead helper Christoph Hellwig
2024-05-01 21:27   ` Darrick J. Wong
2024-05-02  4:14     ` Christoph Hellwig
2024-04-30 12:49 ` Christoph Hellwig [this message]
2024-05-01 21:31   ` [PATCH 12/16] xfs: factor out a xfs_dir2_sf_addname_common helper Darrick J. Wong
2024-05-02  4:15     ` Christoph Hellwig
2024-04-30 12:49 ` [PATCH 13/16] xfs: move common code into xfs_dir2_sf_addname Christoph Hellwig
2024-05-01 21:32   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 14/16] xfs: optimize adding the first 8-byte inode to a shortform directory Christoph Hellwig
2024-05-01 21:50   ` Darrick J. Wong
2024-05-02  4:25     ` Christoph Hellwig
2024-05-02 14:43       ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 15/16] xfs: move the block format conversion out of line in xfs_dir2_sf_addname Christoph Hellwig
2024-05-01 21:33   ` Darrick J. Wong
2024-04-30 12:49 ` [PATCH 16/16] xfs: make the hard case in xfs_dir2_sf_addname less hard Christoph Hellwig
2024-05-01 22:10   ` Darrick J. Wong
2024-05-10  6:29   ` kernel test robot

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