From: Brian Foster <bfoster@redhat.com>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 02/16] xfs: move directory block translatiosn to xfs_da_btree.h
Date: Fri, 23 May 2014 15:05:18 -0400 [thread overview]
Message-ID: <20140523190518.GC8343@laptop.bfoster> (raw)
In-Reply-To: <1400803432-20048-3-git-send-email-david@fromorbit.com>
On Fri, May 23, 2014 at 10:03:38AM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Because they aren't actually part of the on-disk format, and so
> shouldn't be in xfs_da_format.h.
>
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
> ---
Looks straightforward.
Reviewed-by: Brian Foster <bfoster@redhat.com>
> fs/xfs/xfs_da_btree.h | 137 ++++++++++++++++++++++++++++++++++++++++++++++++
> fs/xfs/xfs_da_format.c | 1 +
> fs/xfs/xfs_da_format.h | 138 -------------------------------------------------
> 3 files changed, 138 insertions(+), 138 deletions(-)
>
> diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h
> index 0ac63ad..6d13fd6 100644
> --- a/fs/xfs/xfs_da_btree.h
> +++ b/fs/xfs/xfs_da_btree.h
> @@ -157,6 +157,143 @@ struct xfs_nameops {
> };
>
>
> +/*
> + * Directory offset/block conversion functions.
> + *
> + * DB blocks here are logical directory block numbers, not filesystem blocks.
> + */
> +
> +/*
> + * Convert dataptr to byte in file space
> + */
> +static inline xfs_dir2_off_t
> +xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
> +{
> + return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
> +}
> +
> +/*
> + * Convert byte in file space to dataptr. It had better be aligned.
> + */
> +static inline xfs_dir2_dataptr_t
> +xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
> +{
> + return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
> +}
> +
> +/*
> + * Convert byte in space to (DB) block
> + */
> +static inline xfs_dir2_db_t
> +xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
> +{
> + return (xfs_dir2_db_t)
> + (by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
> +}
> +
> +/*
> + * Convert dataptr to a block number
> + */
> +static inline xfs_dir2_db_t
> +xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
> +{
> + return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
> +}
> +
> +/*
> + * Convert byte in space to offset in a block
> + */
> +static inline xfs_dir2_data_aoff_t
> +xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
> +{
> + return (xfs_dir2_data_aoff_t)(by &
> + ((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
> +}
> +
> +/*
> + * Convert dataptr to a byte offset in a block
> + */
> +static inline xfs_dir2_data_aoff_t
> +xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
> +{
> + return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
> +}
> +
> +/*
> + * Convert block and offset to byte in space
> + */
> +static inline xfs_dir2_off_t
> +xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
> + xfs_dir2_data_aoff_t o)
> +{
> + return ((xfs_dir2_off_t)db <<
> + (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
> +}
> +
> +/*
> + * Convert block (DB) to block (dablk)
> + */
> +static inline xfs_dablk_t
> +xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db)
> +{
> + return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog);
> +}
> +
> +/*
> + * Convert byte in space to (DA) block
> + */
> +static inline xfs_dablk_t
> +xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
> +{
> + return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by));
> +}
> +
> +/*
> + * Convert block and offset to dataptr
> + */
> +static inline xfs_dir2_dataptr_t
> +xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
> + xfs_dir2_data_aoff_t o)
> +{
> + return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
> +}
> +
> +/*
> + * Convert block (dablk) to block (DB)
> + */
> +static inline xfs_dir2_db_t
> +xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
> +{
> + return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog);
> +}
> +
> +/*
> + * Convert block (dablk) to byte offset in space
> + */
> +static inline xfs_dir2_off_t
> +xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
> +{
> + return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
> +}
> +
> +/*
> + * Directory tail pointer accessor functions. Based on block geometry.
> + */
> +static inline struct xfs_dir2_block_tail *
> +xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr)
> +{
> + return ((struct xfs_dir2_block_tail *)
> + ((char *)hdr + mp->m_dirblksize)) - 1;
> +}
> +
> +static inline struct xfs_dir2_leaf_tail *
> +xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp)
> +{
> + return (struct xfs_dir2_leaf_tail *)
> + ((char *)lp + mp->m_dirblksize -
> + sizeof(struct xfs_dir2_leaf_tail));
> +}
> +
> /*========================================================================
> * Function prototypes.
> *========================================================================*/
> diff --git a/fs/xfs/xfs_da_format.c b/fs/xfs/xfs_da_format.c
> index e6c83e1..22bbc79 100644
> --- a/fs/xfs/xfs_da_format.c
> +++ b/fs/xfs/xfs_da_format.c
> @@ -26,6 +26,7 @@
> #include "xfs_ag.h"
> #include "xfs_mount.h"
> #include "xfs_da_format.h"
> +#include "xfs_da_btree.h"
> #include "xfs_inode.h"
> #include "xfs_dir2.h"
>
> diff --git a/fs/xfs/xfs_da_format.h b/fs/xfs/xfs_da_format.h
> index 1432b57..32b415c 100644
> --- a/fs/xfs/xfs_da_format.h
> +++ b/fs/xfs/xfs_da_format.h
> @@ -514,17 +514,6 @@ struct xfs_dir3_leaf {
> #define XFS_DIR3_LEAF_CRC_OFF offsetof(struct xfs_dir3_leaf_hdr, info.crc)
>
> /*
> - * Get address of the bestcount field in the single-leaf block.
> - */
> -static inline struct xfs_dir2_leaf_tail *
> -xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp)
> -{
> - return (struct xfs_dir2_leaf_tail *)
> - ((char *)lp + mp->m_dirblksize -
> - sizeof(struct xfs_dir2_leaf_tail));
> -}
> -
> -/*
> * Get address of the bests array in the single-leaf block.
> */
> static inline __be16 *
> @@ -534,123 +523,6 @@ xfs_dir2_leaf_bests_p(struct xfs_dir2_leaf_tail *ltp)
> }
>
> /*
> - * DB blocks here are logical directory block numbers, not filesystem blocks.
> - */
> -
> -/*
> - * Convert dataptr to byte in file space
> - */
> -static inline xfs_dir2_off_t
> -xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
> -{
> - return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
> -}
> -
> -/*
> - * Convert byte in file space to dataptr. It had better be aligned.
> - */
> -static inline xfs_dir2_dataptr_t
> -xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
> -{
> - return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
> -}
> -
> -/*
> - * Convert byte in space to (DB) block
> - */
> -static inline xfs_dir2_db_t
> -xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
> -{
> - return (xfs_dir2_db_t)
> - (by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
> -}
> -
> -/*
> - * Convert dataptr to a block number
> - */
> -static inline xfs_dir2_db_t
> -xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
> -{
> - return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
> -}
> -
> -/*
> - * Convert byte in space to offset in a block
> - */
> -static inline xfs_dir2_data_aoff_t
> -xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
> -{
> - return (xfs_dir2_data_aoff_t)(by &
> - ((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
> -}
> -
> -/*
> - * Convert dataptr to a byte offset in a block
> - */
> -static inline xfs_dir2_data_aoff_t
> -xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
> -{
> - return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
> -}
> -
> -/*
> - * Convert block and offset to byte in space
> - */
> -static inline xfs_dir2_off_t
> -xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
> - xfs_dir2_data_aoff_t o)
> -{
> - return ((xfs_dir2_off_t)db <<
> - (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
> -}
> -
> -/*
> - * Convert block (DB) to block (dablk)
> - */
> -static inline xfs_dablk_t
> -xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db)
> -{
> - return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog);
> -}
> -
> -/*
> - * Convert byte in space to (DA) block
> - */
> -static inline xfs_dablk_t
> -xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
> -{
> - return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by));
> -}
> -
> -/*
> - * Convert block and offset to dataptr
> - */
> -static inline xfs_dir2_dataptr_t
> -xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
> - xfs_dir2_data_aoff_t o)
> -{
> - return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
> -}
> -
> -/*
> - * Convert block (dablk) to block (DB)
> - */
> -static inline xfs_dir2_db_t
> -xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
> -{
> - return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog);
> -}
> -
> -/*
> - * Convert block (dablk) to byte offset in space
> - */
> -static inline xfs_dir2_off_t
> -xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
> -{
> - return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
> -}
> -
> -/*
> * Free space block defintions for the node format.
> */
>
> @@ -736,16 +608,6 @@ typedef struct xfs_dir2_block_tail {
> } xfs_dir2_block_tail_t;
>
> /*
> - * Pointer to the leaf header embedded in a data block (1-block format)
> - */
> -static inline struct xfs_dir2_block_tail *
> -xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr)
> -{
> - return ((struct xfs_dir2_block_tail *)
> - ((char *)hdr + mp->m_dirblksize)) - 1;
> -}
> -
> -/*
> * Pointer to the leaf entries embedded in a data block (1-block format)
> */
> static inline struct xfs_dir2_leaf_entry *
> --
> 1.9.0
>
> _______________________________________________
> xfs mailing list
> xfs@oss.sgi.com
> http://oss.sgi.com/mailman/listinfo/xfs
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2014-05-23 19:05 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-23 0:03 [PATCH 00/16 V2] xfs: introduce struct xfs_da_geometry Dave Chinner
2014-05-23 0:03 ` [PATCH 01/16] xfs: introduce directory geometry structure Dave Chinner
2014-05-23 19:04 ` Brian Foster
2014-05-26 4:28 ` Dave Chinner
2014-05-26 13:29 ` Brian Foster
2014-05-26 21:39 ` Dave Chinner
2014-05-23 0:03 ` [PATCH 02/16] xfs: move directory block translatiosn to xfs_da_btree.h Dave Chinner
2014-05-23 19:05 ` Brian Foster [this message]
2014-05-27 10:46 ` Christoph Hellwig
2014-05-27 23:06 ` Dave Chinner
2014-05-28 5:28 ` Christoph Hellwig
2014-05-28 5:39 ` Dave Chinner
2014-05-23 0:03 ` [PATCH 03/16] xfs: kill XFS_DIR2...FIRSTDB macros Dave Chinner
2014-05-23 19:05 ` Brian Foster
2014-05-27 10:47 ` Christoph Hellwig
2014-05-23 0:03 ` [PATCH 04/16] xfs: convert dir byte/off conversion to xfs_da_geometry Dave Chinner
2014-05-23 19:05 ` Brian Foster
2014-05-23 0:03 ` [PATCH 05/16] xfs: convert directory dablk " Dave Chinner
2014-05-23 19:06 ` Brian Foster
2014-05-26 4:48 ` Dave Chinner
2014-05-23 0:03 ` [PATCH 06/16] xfs: convert directory db " Dave Chinner
2014-05-23 19:07 ` Brian Foster
2014-05-23 0:03 ` [PATCH 07/16] xfs: convert directory segment limits " Dave Chinner
2014-05-23 20:43 ` Brian Foster
2014-05-23 0:03 ` [PATCH 08/16] xfs: convert m_dirblkfsbs " Dave Chinner
2014-05-23 20:43 ` Brian Foster
2014-05-23 0:03 ` [PATCH 09/16] xfs: convert m_dirblksize " Dave Chinner
2014-05-27 15:59 ` Brian Foster
2014-05-23 0:03 ` [PATCH 10/16] xfs: convert dir/attr btree threshold " Dave Chinner
2014-05-27 15:59 ` Brian Foster
2014-05-23 0:03 ` [PATCH 11/16] xfs: move node entry counts " Dave Chinner
2014-05-27 15:59 ` Brian Foster
2014-05-27 23:47 ` Dave Chinner
2014-05-23 0:03 ` [PATCH 12/16] xfs: reduce direct usage of mp->m_dir_geo Dave Chinner
2014-05-27 15:59 ` Brian Foster
2014-05-27 23:53 ` Dave Chinner
2014-05-23 0:03 ` [PATCH 13/16] xfs: remove mp->m_dir_geo from directory logging Dave Chinner
2014-05-27 16:00 ` Brian Foster
2014-05-23 0:03 ` [PATCH 14/16] xfs: use xfs_da_geometry for block size in attr code Dave Chinner
2014-05-27 16:01 ` Brian Foster
2014-05-23 0:03 ` [PATCH 15/16] xfs: pass xfs_da_args to xfs_attr_leaf_newentsize Dave Chinner
2014-05-27 16:01 ` Brian Foster
2014-05-23 0:03 ` [PATCH 16/16] xfs: repalce attr LBSIZE with xfs_da_geometry Dave Chinner
2014-05-27 16:01 ` Brian Foster
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=20140523190518.GC8343@laptop.bfoster \
--to=bfoster@redhat.com \
--cc=david@fromorbit.com \
--cc=xfs@oss.sgi.com \
/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.