linux/fs/xfs/libxfs/xfs_attr_remote.h
Darrick J. Wong 204a26aa1d xfs: create a helper to compute the blockcount of a max sized remote value
Create a helper function to compute the number of fsblocks needed to
store a maximally-sized extended attribute value.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Andrey Albershteyn <aalbersh@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2024-05-02 07:48:36 -07:00

27 lines
996 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2013 Red Hat, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_ATTR_REMOTE_H__
#define __XFS_ATTR_REMOTE_H__
unsigned int xfs_attr3_rmt_blocks(struct xfs_mount *mp, unsigned int attrlen);
/* Number of rmt blocks needed to store the maximally sized attr value */
static inline unsigned int xfs_attr3_max_rmt_blocks(struct xfs_mount *mp)
{
return xfs_attr3_rmt_blocks(mp, XFS_XATTR_SIZE_MAX);
}
int xfs_attr_rmtval_get(struct xfs_da_args *args);
int xfs_attr_rmtval_stale(struct xfs_inode *ip, struct xfs_bmbt_irec *map,
xfs_buf_flags_t incore_flags);
int xfs_attr_rmtval_invalidate(struct xfs_da_args *args);
int xfs_attr_rmtval_remove(struct xfs_attr_intent *attr);
int xfs_attr_rmt_find_hole(struct xfs_da_args *args);
int xfs_attr_rmtval_set_value(struct xfs_da_args *args);
int xfs_attr_rmtval_set_blk(struct xfs_attr_intent *attr);
int xfs_attr_rmtval_find_space(struct xfs_attr_intent *attr);
#endif /* __XFS_ATTR_REMOTE_H__ */