84be0ffc90
Move all the header files that are shared with userspace into libxfs. This is done as one big chunk simpy to get it done quickly. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
108 lines
4 KiB
C
108 lines
4 KiB
C
/*
|
|
* Copyright (c) 2000,2002-2003,2005 Silicon Graphics, Inc.
|
|
* Copyright (c) 2013 Red Hat, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#ifndef __XFS_ATTR_LEAF_H__
|
|
#define __XFS_ATTR_LEAF_H__
|
|
|
|
struct attrlist;
|
|
struct attrlist_cursor_kern;
|
|
struct xfs_attr_list_context;
|
|
struct xfs_da_args;
|
|
struct xfs_da_state;
|
|
struct xfs_da_state_blk;
|
|
struct xfs_inode;
|
|
struct xfs_trans;
|
|
|
|
/*
|
|
* Used to keep a list of "remote value" extents when unlinking an inode.
|
|
*/
|
|
typedef struct xfs_attr_inactive_list {
|
|
xfs_dablk_t valueblk; /* block number of value bytes */
|
|
int valuelen; /* number of bytes in value */
|
|
} xfs_attr_inactive_list_t;
|
|
|
|
|
|
/*========================================================================
|
|
* Function prototypes for the kernel.
|
|
*========================================================================*/
|
|
|
|
/*
|
|
* Internal routines when attribute fork size < XFS_LITINO(mp).
|
|
*/
|
|
void xfs_attr_shortform_create(struct xfs_da_args *args);
|
|
void xfs_attr_shortform_add(struct xfs_da_args *args, int forkoff);
|
|
int xfs_attr_shortform_lookup(struct xfs_da_args *args);
|
|
int xfs_attr_shortform_getvalue(struct xfs_da_args *args);
|
|
int xfs_attr_shortform_to_leaf(struct xfs_da_args *args);
|
|
int xfs_attr_shortform_remove(struct xfs_da_args *args);
|
|
int xfs_attr_shortform_list(struct xfs_attr_list_context *context);
|
|
int xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp);
|
|
int xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes);
|
|
|
|
|
|
/*
|
|
* Internal routines when attribute fork size == XFS_LBSIZE(mp).
|
|
*/
|
|
int xfs_attr3_leaf_to_node(struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_to_shortform(struct xfs_buf *bp,
|
|
struct xfs_da_args *args, int forkoff);
|
|
int xfs_attr3_leaf_clearflag(struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_setflag(struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_flipflags(struct xfs_da_args *args);
|
|
|
|
/*
|
|
* Routines used for growing the Btree.
|
|
*/
|
|
int xfs_attr3_leaf_split(struct xfs_da_state *state,
|
|
struct xfs_da_state_blk *oldblk,
|
|
struct xfs_da_state_blk *newblk);
|
|
int xfs_attr3_leaf_lookup_int(struct xfs_buf *leaf,
|
|
struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_getvalue(struct xfs_buf *bp, struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_add(struct xfs_buf *leaf_buffer,
|
|
struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_remove(struct xfs_buf *leaf_buffer,
|
|
struct xfs_da_args *args);
|
|
int xfs_attr3_leaf_list_int(struct xfs_buf *bp,
|
|
struct xfs_attr_list_context *context);
|
|
|
|
/*
|
|
* Routines used for shrinking the Btree.
|
|
*/
|
|
int xfs_attr3_leaf_toosmall(struct xfs_da_state *state, int *retval);
|
|
void xfs_attr3_leaf_unbalance(struct xfs_da_state *state,
|
|
struct xfs_da_state_blk *drop_blk,
|
|
struct xfs_da_state_blk *save_blk);
|
|
int xfs_attr3_root_inactive(struct xfs_trans **trans, struct xfs_inode *dp);
|
|
|
|
/*
|
|
* Utility routines.
|
|
*/
|
|
xfs_dahash_t xfs_attr_leaf_lasthash(struct xfs_buf *bp, int *count);
|
|
int xfs_attr_leaf_order(struct xfs_buf *leaf1_bp,
|
|
struct xfs_buf *leaf2_bp);
|
|
int xfs_attr_leaf_newentsize(struct xfs_da_args *args, int *local);
|
|
int xfs_attr3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
xfs_dablk_t bno, xfs_daddr_t mappedbno,
|
|
struct xfs_buf **bpp);
|
|
void xfs_attr3_leaf_hdr_from_disk(struct xfs_attr3_icleaf_hdr *to,
|
|
struct xfs_attr_leafblock *from);
|
|
void xfs_attr3_leaf_hdr_to_disk(struct xfs_attr_leafblock *to,
|
|
struct xfs_attr3_icleaf_hdr *from);
|
|
|
|
#endif /* __XFS_ATTR_LEAF_H__ */
|