xfs: move directory block translatiosn to xfs_dir2_priv.h
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> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dave Chinner
Dave Chinner
parent
0650b55497
commit
892e3f342f
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@ -26,8 +26,10 @@
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#include "xfs_ag.h"
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#include "xfs_mount.h"
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#include "xfs_da_format.h"
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#include "xfs_da_btree.h"
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#include "xfs_inode.h"
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#include "xfs_dir2.h"
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#include "xfs_dir2_priv.h"
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/*
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* Shortform directory ops
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@ -513,17 +513,6 @@ struct xfs_dir3_leaf {
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#define XFS_DIR3_LEAF_CRC_OFF offsetof(struct xfs_dir3_leaf_hdr, info.crc)
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/*
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* Get address of the bestcount field in the single-leaf block.
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*/
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static inline struct xfs_dir2_leaf_tail *
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xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp)
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{
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return (struct xfs_dir2_leaf_tail *)
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((char *)lp + mp->m_dirblksize -
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sizeof(struct xfs_dir2_leaf_tail));
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}
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/*
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* Get address of the bests array in the single-leaf block.
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*/
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@ -533,123 +522,6 @@ xfs_dir2_leaf_bests_p(struct xfs_dir2_leaf_tail *ltp)
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return (__be16 *)ltp - be32_to_cpu(ltp->bestcount);
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}
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/*
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* DB blocks here are logical directory block numbers, not filesystem blocks.
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*/
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/*
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* Convert dataptr to byte in file space
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*/
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static inline xfs_dir2_off_t
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xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
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{
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return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
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}
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/*
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* Convert byte in file space to dataptr. It had better be aligned.
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*/
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static inline xfs_dir2_dataptr_t
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xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
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{
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return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
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}
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/*
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* Convert byte in space to (DB) block
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
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{
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return (xfs_dir2_db_t)
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(by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
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}
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/*
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* Convert dataptr to a block number
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
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{
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return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
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}
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/*
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* Convert byte in space to offset in a block
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*/
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static inline xfs_dir2_data_aoff_t
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xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
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{
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return (xfs_dir2_data_aoff_t)(by &
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((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
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}
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/*
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* Convert dataptr to a byte offset in a block
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*/
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static inline xfs_dir2_data_aoff_t
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xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
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{
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return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
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}
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/*
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* Convert block and offset to byte in space
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*/
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static inline xfs_dir2_off_t
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xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
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xfs_dir2_data_aoff_t o)
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{
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return ((xfs_dir2_off_t)db <<
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(mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
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}
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/*
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* Convert block (DB) to block (dablk)
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*/
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static inline xfs_dablk_t
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xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db)
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{
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return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog);
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}
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/*
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* Convert byte in space to (DA) block
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*/
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static inline xfs_dablk_t
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xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
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{
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return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by));
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}
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/*
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* Convert block and offset to dataptr
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*/
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static inline xfs_dir2_dataptr_t
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xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
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xfs_dir2_data_aoff_t o)
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{
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return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
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}
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/*
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* Convert block (dablk) to block (DB)
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
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{
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return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog);
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}
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/*
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* Convert block (dablk) to byte offset in space
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*/
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static inline xfs_dir2_off_t
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xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
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{
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return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
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}
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/*
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* Free space block defintions for the node format.
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*/
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@ -735,16 +607,6 @@ typedef struct xfs_dir2_block_tail {
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__be32 stale; /* count of stale lf entries */
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} xfs_dir2_block_tail_t;
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/*
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* Pointer to the leaf header embedded in a data block (1-block format)
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*/
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static inline struct xfs_dir2_block_tail *
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xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr)
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{
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return ((struct xfs_dir2_block_tail *)
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((char *)hdr + mp->m_dirblksize)) - 1;
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}
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/*
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* Pointer to the leaf entries embedded in a data block (1-block format)
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*/
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@ -20,6 +20,143 @@
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struct dir_context;
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/*
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* Directory offset/block conversion functions.
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*
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* DB blocks here are logical directory block numbers, not filesystem blocks.
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*/
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/*
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* Convert dataptr to byte in file space
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*/
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static inline xfs_dir2_off_t
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xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
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{
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return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
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}
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/*
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* Convert byte in file space to dataptr. It had better be aligned.
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*/
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static inline xfs_dir2_dataptr_t
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xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
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{
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return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
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}
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/*
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* Convert byte in space to (DB) block
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
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{
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return (xfs_dir2_db_t)
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(by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
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}
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/*
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* Convert dataptr to a block number
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
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{
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return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
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}
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/*
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* Convert byte in space to offset in a block
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*/
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static inline xfs_dir2_data_aoff_t
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xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
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{
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return (xfs_dir2_data_aoff_t)(by &
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((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
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}
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/*
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* Convert dataptr to a byte offset in a block
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*/
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static inline xfs_dir2_data_aoff_t
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xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
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{
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return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
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}
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/*
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* Convert block and offset to byte in space
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*/
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static inline xfs_dir2_off_t
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xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
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xfs_dir2_data_aoff_t o)
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{
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return ((xfs_dir2_off_t)db <<
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(mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
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}
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/*
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* Convert block (DB) to block (dablk)
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*/
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static inline xfs_dablk_t
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xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db)
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{
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return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog);
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}
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/*
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* Convert byte in space to (DA) block
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*/
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static inline xfs_dablk_t
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xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
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{
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return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by));
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}
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/*
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* Convert block and offset to dataptr
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*/
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static inline xfs_dir2_dataptr_t
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xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
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xfs_dir2_data_aoff_t o)
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{
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return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
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}
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/*
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* Convert block (dablk) to block (DB)
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
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{
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return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog);
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}
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/*
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* Convert block (dablk) to byte offset in space
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*/
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static inline xfs_dir2_off_t
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xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
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{
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return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
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}
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/*
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* Directory tail pointer accessor functions. Based on block geometry.
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*/
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static inline struct xfs_dir2_block_tail *
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xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr)
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{
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return ((struct xfs_dir2_block_tail *)
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((char *)hdr + mp->m_dirblksize)) - 1;
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}
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static inline struct xfs_dir2_leaf_tail *
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xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp)
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{
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return (struct xfs_dir2_leaf_tail *)
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((char *)lp + mp->m_dirblksize -
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sizeof(struct xfs_dir2_leaf_tail));
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}
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/* xfs_dir2.c */
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extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
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extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
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