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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Allison Henderson <allison.henderson@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 08/21] xfs: get directory offset when adding directory name
Date: Mon, 7 May 2018 15:50:01 -0700	[thread overview]
Message-ID: <20180507225001.GN11261@magnolia> (raw)
In-Reply-To: <1525627494-12873-9-git-send-email-allison.henderson@oracle.com>

On Sun, May 06, 2018 at 10:24:41AM -0700, Allison Henderson wrote:
> From: Mark Tinguely <tinguely@sgi.com>
> 
> Return the directory offset information when adding an entry to the
> directory.
> 
> This offset will be used as the parent pointer offset in xfs_create,
> xfs_symlink, xfs_link and xfs_rename.
> 
> [dchinner: forward ported and cleaned up]
> [dchinner: no s-o-b from Mark]
> [bfoster: rebased, use args->geo in dir code]
> [achender: rebased, chaged __uint32_t to xfs_dir2_dataptr_t]
> 
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
> Signed-off-by: Allison Henderson <allison.henderson@oracle.com>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>

--D

> ---
>  fs/xfs/libxfs/xfs_da_btree.h   | 1 +
>  fs/xfs/libxfs/xfs_dir2.c       | 9 +++++++--
>  fs/xfs/libxfs/xfs_dir2.h       | 3 ++-
>  fs/xfs/libxfs/xfs_dir2_block.c | 1 +
>  fs/xfs/libxfs/xfs_dir2_leaf.c  | 2 ++
>  fs/xfs/libxfs/xfs_dir2_node.c  | 2 ++
>  fs/xfs/libxfs/xfs_dir2_sf.c    | 2 ++
>  fs/xfs/xfs_inode.c             | 9 +++++----
>  fs/xfs/xfs_symlink.c           | 2 +-
>  9 files changed, 23 insertions(+), 8 deletions(-)
> 
> diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h
> index ae6de17..bce96d6 100644
> --- a/fs/xfs/libxfs/xfs_da_btree.h
> +++ b/fs/xfs/libxfs/xfs_da_btree.h
> @@ -86,6 +86,7 @@ typedef struct xfs_da_args {
>  	int		rmtvaluelen2;	/* remote attr value length in bytes */
>  	int		op_flags;	/* operation flags */
>  	enum xfs_dacmp	cmpresult;	/* name compare result for lookups */
> +	xfs_dir2_dataptr_t offset;	/* OUT: offset in directory */
>  } xfs_da_args_t;
>  
>  /*
> diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
> index 92f94e1..409a1e7 100644
> --- a/fs/xfs/libxfs/xfs_dir2.c
> +++ b/fs/xfs/libxfs/xfs_dir2.c
> @@ -257,7 +257,8 @@ xfs_dir_createname(
>  	xfs_ino_t		inum,		/* new entry inode number */
>  	xfs_fsblock_t		*first,		/* bmap's firstblock */
>  	struct xfs_defer_ops	*dfops,		/* bmap's freeblock list */
> -	xfs_extlen_t		total)		/* bmap's total block count */
> +	xfs_extlen_t		total,		/* bmap's total block count */
> +	xfs_dir2_dataptr_t	*offset)	/* OUT entry's dir offset */
>  {
>  	struct xfs_da_args	*args;
>  	int			rval;
> @@ -313,6 +314,10 @@ xfs_dir_createname(
>  		rval = xfs_dir2_node_addname(args);
>  
>  out_free:
> +	/* return the location that this entry was place in the parent inode */
> +	if (offset)
> +		*offset = args->offset;
> +
>  	kmem_free(args);
>  	return rval;
>  }
> @@ -559,7 +564,7 @@ xfs_dir_canenter(
>  	xfs_inode_t	*dp,
>  	struct xfs_name	*name)		/* name of entry to add */
>  {
> -	return xfs_dir_createname(tp, dp, name, 0, NULL, NULL, 0);
> +	return xfs_dir_createname(tp, dp, name, 0, NULL, NULL, 0, NULL);
>  }
>  
>  /*
> diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
> index 989e95a..c98a3ca 100644
> --- a/fs/xfs/libxfs/xfs_dir2.h
> +++ b/fs/xfs/libxfs/xfs_dir2.h
> @@ -131,7 +131,8 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
>  extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
>  				struct xfs_name *name, xfs_ino_t inum,
>  				xfs_fsblock_t *first,
> -				struct xfs_defer_ops *dfops, xfs_extlen_t tot);
> +				struct xfs_defer_ops *dfops, xfs_extlen_t tot,
> +				xfs_dir2_dataptr_t *offset);
>  extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
>  				struct xfs_name *name, xfs_ino_t *inum,
>  				struct xfs_name *ci_name);
> diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
> index 875893d..9b7f173 100644
> --- a/fs/xfs/libxfs/xfs_dir2_block.c
> +++ b/fs/xfs/libxfs/xfs_dir2_block.c
> @@ -559,6 +559,7 @@ xfs_dir2_block_addname(
>  	dp->d_ops->data_put_ftype(dep, args->filetype);
>  	tagp = dp->d_ops->data_entry_tag_p(dep);
>  	*tagp = cpu_to_be16((char *)dep - (char *)hdr);
> +	args->offset = xfs_dir2_byte_to_dataptr((char *)dep - (char *)hdr);
>  	/*
>  	 * Clean up the bestfree array and log the header, tail, and entry.
>  	 */
> diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
> index 50fc9c0..8ae2953 100644
> --- a/fs/xfs/libxfs/xfs_dir2_leaf.c
> +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
> @@ -894,6 +894,8 @@ xfs_dir2_leaf_addname(
>  	dp->d_ops->data_put_ftype(dep, args->filetype);
>  	tagp = dp->d_ops->data_entry_tag_p(dep);
>  	*tagp = cpu_to_be16((char *)dep - (char *)hdr);
> +	args->offset = xfs_dir2_db_off_to_dataptr(args->geo, use_block,
> +						(char *)dep - (char *)hdr);
>  	/*
>  	 * Need to scan fix up the bestfree table.
>  	 */
> diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
> index 9df096c..4e544f7 100644
> --- a/fs/xfs/libxfs/xfs_dir2_node.c
> +++ b/fs/xfs/libxfs/xfs_dir2_node.c
> @@ -2041,6 +2041,8 @@ xfs_dir2_node_addname_int(
>  	dp->d_ops->data_put_ftype(dep, args->filetype);
>  	tagp = dp->d_ops->data_entry_tag_p(dep);
>  	*tagp = cpu_to_be16((char *)dep - (char *)hdr);
> +	args->offset = xfs_dir2_db_off_to_dataptr(args->geo, dbno,
> +						  (char *)dep - (char *)hdr);
>  	xfs_dir2_data_log_entry(args, dbp, dep);
>  	/*
>  	 * Rescan the block for bestfree if needed.
> diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
> index 0c75a7f..222ccf5 100644
> --- a/fs/xfs/libxfs/xfs_dir2_sf.c
> +++ b/fs/xfs/libxfs/xfs_dir2_sf.c
> @@ -405,6 +405,7 @@ xfs_dir2_sf_addname_easy(
>  	memcpy(sfep->name, args->name, sfep->namelen);
>  	dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
>  	dp->d_ops->sf_put_ftype(sfep, args->filetype);
> +	args->offset = xfs_dir2_byte_to_dataptr(offset);
>  
>  	/*
>  	 * Update the header and inode.
> @@ -496,6 +497,7 @@ xfs_dir2_sf_addname_hard(
>  	memcpy(sfep->name, args->name, sfep->namelen);
>  	dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
>  	dp->d_ops->sf_put_ftype(sfep, args->filetype);
> +	args->offset = xfs_dir2_byte_to_dataptr(offset);
>  	sfp->count++;
>  	if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange)
>  		sfp->i8count++;
> diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
> index 2b70c8b..fc07b4f 100644
> --- a/fs/xfs/xfs_inode.c
> +++ b/fs/xfs/xfs_inode.c
> @@ -1226,7 +1226,8 @@ xfs_create(
>  
>  	error = xfs_dir_createname(tp, dp, name, ip->i_ino,
>  					&first_block, &dfops, resblks ?
> -					resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
> +					resblks - XFS_IALLOC_SPACE_RES(mp) : 0,
> +					NULL);
>  	if (error) {
>  		ASSERT(error != -ENOSPC);
>  		goto out_trans_cancel;
> @@ -1462,7 +1463,7 @@ xfs_link(
>  	}
>  
>  	error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
> -					&first_block, &dfops, resblks);
> +				   &first_block, &dfops, resblks, NULL);
>  	if (error)
>  		goto error_return;
>  	xfs_trans_ichgtime(tp, tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
> @@ -3040,8 +3041,8 @@ xfs_rename(
>  		 * to account for the ".." reference from the new entry.
>  		 */
>  		error = xfs_dir_createname(tp, target_dp, target_name,
> -						src_ip->i_ino, &first_block,
> -						&dfops, spaceres);
> +					   src_ip->i_ino, &first_block, &dfops,
> +					   spaceres, NULL);
>  		if (error)
>  			goto out_bmap_cancel;
>  
> diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
> index 5b66ac1..b1d3301 100644
> --- a/fs/xfs/xfs_symlink.c
> +++ b/fs/xfs/xfs_symlink.c
> @@ -350,7 +350,7 @@ xfs_symlink(
>  	 * Create the directory entry for the symlink.
>  	 */
>  	error = xfs_dir_createname(tp, dp, link_name, ip->i_ino,
> -					&first_block, &dfops, resblks);
> +				   &first_block, &dfops, resblks, NULL);
>  	if (error)
>  		goto out_bmap_cancel;
>  	xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
> -- 
> 2.7.4
> 
> --
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  reply	other threads:[~2018-05-07 22:50 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-06 17:24 [PATCH 00/21] Parent Pointers v6 Allison Henderson
2018-05-06 17:24 ` [PATCH 01/21] xfs: Move fs/xfs/xfs_attr.h to fs/xfs/libxfs/xfs_attr.h Allison Henderson
2018-05-07 23:39   ` Darrick J. Wong
2018-05-06 17:24 ` [PATCH 02/21] Add trans toggle to attr routines Allison Henderson
2018-05-07 23:52   ` Darrick J. Wong
2018-05-08 17:04     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 03/21] xfs: Add attibute set and helper functions Allison Henderson
2018-05-07 23:36   ` Darrick J. Wong
2018-05-08  7:25     ` Amir Goldstein
2018-05-08 17:02       ` Allison Henderson
2018-05-08 17:01     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 04/21] xfs: Add attibute remove " Allison Henderson
2018-05-07 23:21   ` Darrick J. Wong
2018-05-08  7:33   ` Amir Goldstein
2018-05-08 17:02     ` Allison Henderson
2018-05-08 17:14     ` Darrick J. Wong
2018-05-06 17:24 ` [PATCH 05/21] xfs: Set up infastructure for deferred attribute operations Allison Henderson
2018-05-07 23:19   ` Darrick J. Wong
2018-05-08 17:01     ` Allison Henderson
2018-05-08  9:55   ` Amir Goldstein
2018-05-06 17:24 ` [PATCH 06/21] xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2018-05-07 22:59   ` Darrick J. Wong
2018-05-08 17:01     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 07/21] xfs: Remove all strlen calls in all xfs_attr_* functions for attr names Allison Henderson
2018-05-07 22:54   ` Darrick J. Wong
2018-05-08 17:00     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 08/21] xfs: get directory offset when adding directory name Allison Henderson
2018-05-07 22:50   ` Darrick J. Wong [this message]
2018-05-06 17:24 ` [PATCH 09/21] xfs: get directory offset when removing " Allison Henderson
2018-05-07 22:48   ` Darrick J. Wong
2018-05-08 17:00     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 10/21] xfs: get directory offset when replacing a " Allison Henderson
2018-05-07 22:45   ` Darrick J. Wong
2018-05-08 17:00     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 11/21] xfs: add parent pointer support to attribute code Allison Henderson
2018-05-07 22:36   ` Darrick J. Wong
2018-05-06 17:24 ` [PATCH 12/21] xfs: define parent pointer xattr format Allison Henderson
2018-05-07 22:35   ` Darrick J. Wong
2018-05-08 17:00     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 13/21] xfs: extent transaction reservations for parent attributes Allison Henderson
2018-05-07 22:34   ` Darrick J. Wong
2018-05-08 17:00     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 14/21] Add lock_flags to xfs_ialloc and xfs_dir_ialloc Allison Henderson
2018-05-07 22:30   ` Darrick J. Wong
2018-05-08 16:59     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 15/21] xfs: parent pointer attribute creation Allison Henderson
2018-05-07 22:19   ` Darrick J. Wong
2018-05-08 16:58     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 16/21] xfs: add parent attributes to link Allison Henderson
2018-05-07 22:12   ` Darrick J. Wong
2018-05-08 16:58     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 17/21] xfs: remove parent pointers in unlink Allison Henderson
2018-05-07 21:59   ` Darrick J. Wong
2018-05-08 16:58     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 18/21] xfs: Add parent pointers to rename Allison Henderson
2018-05-07 21:52   ` Darrick J. Wong
2018-05-08 16:58     ` Allison Henderson
2018-05-08 10:04   ` Amir Goldstein
2018-05-06 17:24 ` [PATCH 19/21] xfs: Add the parent pointer support to the superblock version 5 Allison Henderson
2018-05-07 21:38   ` Darrick J. Wong
2018-05-08 16:58     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 20/21] xfs: Add parent pointer ioctl Allison Henderson
2018-05-07 21:36   ` Darrick J. Wong
2018-05-08 10:24     ` Amir Goldstein
2018-05-08 10:25       ` Amir Goldstein
2018-05-08 16:57     ` Allison Henderson
2018-05-15 16:27   ` Catalin Iacob
2018-05-15 16:52     ` Allison Henderson
2018-05-06 17:24 ` [PATCH 21/21] xfs: Add delayed attributes error tag Allison Henderson
2018-05-07 20:57   ` Darrick J. Wong
2018-05-08  5:36 ` [PATCH 00/21] Parent Pointers v6 Amir Goldstein
2018-05-08 17:03   ` Allison Henderson

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