diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2.h | 134 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2_priv.h | 134 | ||||
-rw-r--r-- | fs/xfs/xfs_export.c | 1 | ||||
-rw-r--r-- | fs/xfs/xfs_log_recover.c | 1 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.c | 1 |
5 files changed, 137 insertions, 134 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index 874720dbd865..e55353651f5b 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -183,4 +183,138 @@ extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops; extern const struct xfs_buf_ops xfs_dir3_free_buf_ops; extern const struct xfs_buf_ops xfs_dir3_data_buf_ops; +/* + * 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_da_geometry *geo, xfs_dir2_off_t by) +{ + return (xfs_dir2_db_t)(by >> geo->blklog); +} + +/* + * Convert dataptr to a block number + */ +static inline xfs_dir2_db_t +xfs_dir2_dataptr_to_db(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp) +{ + return xfs_dir2_byte_to_db(geo, 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_da_geometry *geo, xfs_dir2_off_t by) +{ + return (xfs_dir2_data_aoff_t)(by & (geo->blksize - 1)); +} + +/* + * Convert dataptr to a byte offset in a block + */ +static inline xfs_dir2_data_aoff_t +xfs_dir2_dataptr_to_off(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp) +{ + return xfs_dir2_byte_to_off(geo, 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_da_geometry *geo, xfs_dir2_db_t db, + xfs_dir2_data_aoff_t o) +{ + return ((xfs_dir2_off_t)db << geo->blklog) + o; +} + +/* + * Convert block (DB) to block (dablk) + */ +static inline xfs_dablk_t +xfs_dir2_db_to_da(struct xfs_da_geometry *geo, xfs_dir2_db_t db) +{ + return (xfs_dablk_t)(db << (geo->blklog - geo->fsblog)); +} + +/* + * Convert byte in space to (DA) block + */ +static inline xfs_dablk_t +xfs_dir2_byte_to_da(struct xfs_da_geometry *geo, xfs_dir2_off_t by) +{ + return xfs_dir2_db_to_da(geo, xfs_dir2_byte_to_db(geo, by)); +} + +/* + * Convert block and offset to dataptr + */ +static inline xfs_dir2_dataptr_t +xfs_dir2_db_off_to_dataptr(struct xfs_da_geometry *geo, xfs_dir2_db_t db, + xfs_dir2_data_aoff_t o) +{ + return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(geo, db, o)); +} + +/* + * Convert block (dablk) to block (DB) + */ +static inline xfs_dir2_db_t +xfs_dir2_da_to_db(struct xfs_da_geometry *geo, xfs_dablk_t da) +{ + return (xfs_dir2_db_t)(da >> (geo->blklog - geo->fsblog)); +} + +/* + * Convert block (dablk) to byte offset in space + */ +static inline xfs_dir2_off_t +xfs_dir2_da_to_byte(struct xfs_da_geometry *geo, xfs_dablk_t da) +{ + return xfs_dir2_db_off_to_byte(geo, xfs_dir2_da_to_db(geo, 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_da_geometry *geo, struct xfs_dir2_data_hdr *hdr) +{ + return ((struct xfs_dir2_block_tail *) + ((char *)hdr + geo->blksize)) - 1; +} + +static inline struct xfs_dir2_leaf_tail * +xfs_dir2_leaf_tail_p(struct xfs_da_geometry *geo, struct xfs_dir2_leaf *lp) +{ + return (struct xfs_dir2_leaf_tail *) + ((char *)lp + geo->blksize - + sizeof(struct xfs_dir2_leaf_tail)); +} + #endif /* __XFS_DIR2_H__ */ diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index 27096ba91dde..ef9f6ead96a4 100644 --- a/fs/xfs/libxfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h @@ -20,140 +20,6 @@ struct dir_context; -/* - * 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_da_geometry *geo, xfs_dir2_off_t by) -{ - return (xfs_dir2_db_t)(by >> geo->blklog); -} - -/* - * Convert dataptr to a block number - */ -static inline xfs_dir2_db_t -xfs_dir2_dataptr_to_db(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp) -{ - return xfs_dir2_byte_to_db(geo, 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_da_geometry *geo, xfs_dir2_off_t by) -{ - return (xfs_dir2_data_aoff_t)(by & (geo->blksize - 1)); -} - -/* - * Convert dataptr to a byte offset in a block - */ -static inline xfs_dir2_data_aoff_t -xfs_dir2_dataptr_to_off(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp) -{ - return xfs_dir2_byte_to_off(geo, 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_da_geometry *geo, xfs_dir2_db_t db, - xfs_dir2_data_aoff_t o) -{ - return ((xfs_dir2_off_t)db << geo->blklog) + o; -} - -/* - * Convert block (DB) to block (dablk) - */ -static inline xfs_dablk_t -xfs_dir2_db_to_da(struct xfs_da_geometry *geo, xfs_dir2_db_t db) -{ - return (xfs_dablk_t)(db << (geo->blklog - geo->fsblog)); -} - -/* - * Convert byte in space to (DA) block - */ -static inline xfs_dablk_t -xfs_dir2_byte_to_da(struct xfs_da_geometry *geo, xfs_dir2_off_t by) -{ - return xfs_dir2_db_to_da(geo, xfs_dir2_byte_to_db(geo, by)); -} - -/* - * Convert block and offset to dataptr - */ -static inline xfs_dir2_dataptr_t -xfs_dir2_db_off_to_dataptr(struct xfs_da_geometry *geo, xfs_dir2_db_t db, - xfs_dir2_data_aoff_t o) -{ - return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(geo, db, o)); -} - -/* - * Convert block (dablk) to block (DB) - */ -static inline xfs_dir2_db_t -xfs_dir2_da_to_db(struct xfs_da_geometry *geo, xfs_dablk_t da) -{ - return (xfs_dir2_db_t)(da >> (geo->blklog - geo->fsblog)); -} - -/* - * Convert block (dablk) to byte offset in space - */ -static inline xfs_dir2_off_t -xfs_dir2_da_to_byte(struct xfs_da_geometry *geo, xfs_dablk_t da) -{ - return xfs_dir2_db_off_to_byte(geo, xfs_dir2_da_to_db(geo, 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_da_geometry *geo, struct xfs_dir2_data_hdr *hdr) -{ - return ((struct xfs_dir2_block_tail *) - ((char *)hdr + geo->blksize)) - 1; -} - -static inline struct xfs_dir2_leaf_tail * -xfs_dir2_leaf_tail_p(struct xfs_da_geometry *geo, struct xfs_dir2_leaf *lp) -{ - return (struct xfs_dir2_leaf_tail *) - ((char *)lp + geo->blksize - - sizeof(struct xfs_dir2_leaf_tail)); -} - /* xfs_dir2.c */ extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c index 5a6bd5d8779a..ba545634cc04 100644 --- a/fs/xfs/xfs_export.c +++ b/fs/xfs/xfs_export.c @@ -23,6 +23,7 @@ #include "xfs_ag.h" #include "xfs_mount.h" #include "xfs_da_format.h" +#include "xfs_da_btree.h" #include "xfs_dir2.h" #include "xfs_export.h" #include "xfs_inode.h" diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 00cd7f3a8f59..f7c312fe91fb 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -27,6 +27,7 @@ #include "xfs_ag.h" #include "xfs_mount.h" #include "xfs_da_format.h" +#include "xfs_da_btree.h" #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_log.h" diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 13d117089101..acbb4837abc5 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -27,6 +27,7 @@ #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" #include "xfs_ialloc.h" |