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author | Dave Chinner <dchinner@redhat.com> | 2012-06-22 10:50:14 +0200 |
---|---|---|
committer | Ben Myers <bpm@sgi.com> | 2012-07-01 21:50:07 +0200 |
commit | 1d9025e56143c0c4aebebdb62e46618d3d284218 (patch) | |
tree | c31b34008dbd17ac1811c73cc515ea7f6247e2f0 /fs/xfs/xfs_da_btree.h | |
parent | xfs: use discontiguous xfs_buf support in dabuf wrappers (diff) | |
download | linux-1d9025e56143c0c4aebebdb62e46618d3d284218.tar.xz linux-1d9025e56143c0c4aebebdb62e46618d3d284218.zip |
xfs: remove struct xfs_dabuf and infrastructure
The struct xfs_dabuf now only tracks a single xfs_buf and all the
information it holds can be gained directly from the xfs_buf. Hence
we can remove the struct dabuf and pass the xfs_buf around
everywhere.
Kill the struct dabuf and the associated infrastructure.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_da_btree.h')
-rw-r--r-- | fs/xfs/xfs_da_btree.h | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 0b64c4a37afb..9f37aa03eb38 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -133,20 +133,6 @@ typedef struct xfs_da_args { { XFS_DA_OP_CILOOKUP, "CILOOKUP" } /* - * Structure to describe buffer(s) for a block. - * This is needed in the directory version 2 format case, when - * multiple non-contiguous fsblocks might be needed to cover one - * logical directory block. - * If the buffer count is 1 then the data pointer points to the - * same place as the b_addr field for the buffer, else to kmem_alloced memory. - */ -typedef struct xfs_dabuf { - short bbcount; /* how large is data in bbs */ - void *data; /* pointer for buffers' data */ - struct xfs_buf *bp; /* actually nbuf of these */ -} xfs_dabuf_t; - -/* * Storage for holding state during Btree searches and split/join ops. * * Only need space for 5 intermediate nodes. With a minimum of 62-way @@ -154,7 +140,7 @@ typedef struct xfs_dabuf { * which is slightly more than enough. */ typedef struct xfs_da_state_blk { - xfs_dabuf_t *bp; /* buffer containing block */ + struct xfs_buf *bp; /* buffer containing block */ xfs_dablk_t blkno; /* filesystem blkno of buffer */ xfs_daddr_t disk_blkno; /* on-disk blkno (in BBs) of buffer */ int index; /* relevant index into block */ @@ -207,7 +193,7 @@ struct xfs_nameops { * Routines used for growing the Btree. */ int xfs_da_node_create(xfs_da_args_t *args, xfs_dablk_t blkno, int level, - xfs_dabuf_t **bpp, int whichfork); + struct xfs_buf **bpp, int whichfork); int xfs_da_split(xfs_da_state_t *state); /* @@ -237,14 +223,14 @@ int xfs_da_grow_inode_int(struct xfs_da_args *args, xfs_fileoff_t *bno, int count); int xfs_da_get_buf(struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, - xfs_dabuf_t **bp, int whichfork); + struct xfs_buf **bp, int whichfork); int xfs_da_read_buf(struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, - xfs_dabuf_t **bpp, int whichfork); + struct xfs_buf **bpp, int whichfork); xfs_daddr_t xfs_da_reada_buf(struct xfs_trans *trans, struct xfs_inode *dp, xfs_dablk_t bno, int whichfork); int xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, - xfs_dabuf_t *dead_buf); + struct xfs_buf *dead_buf); uint xfs_da_hashname(const __uint8_t *name_string, int name_length); enum xfs_dacmp xfs_da_compname(struct xfs_da_args *args, @@ -254,15 +240,7 @@ enum xfs_dacmp xfs_da_compname(struct xfs_da_args *args, xfs_da_state_t *xfs_da_state_alloc(void); void xfs_da_state_free(xfs_da_state_t *state); -void xfs_da_buf_done(xfs_dabuf_t *dabuf); -void xfs_da_log_buf(struct xfs_trans *tp, xfs_dabuf_t *dabuf, uint first, - uint last); -void xfs_da_brelse(struct xfs_trans *tp, xfs_dabuf_t *dabuf); -void xfs_da_binval(struct xfs_trans *tp, xfs_dabuf_t *dabuf); -xfs_daddr_t xfs_da_blkno(xfs_dabuf_t *dabuf); - extern struct kmem_zone *xfs_da_state_zone; -extern struct kmem_zone *xfs_dabuf_zone; extern const struct xfs_nameops xfs_default_nameops; #endif /* __XFS_DA_BTREE_H__ */ |