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linux/fs/xfs/scrub/attr.h

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xfs: refactor extended attribute buffer pointer functions Replace the open-coded attribute buffer pointer calculations with helper functions to make it more obvious what we're doing with our freeform memory allocation w.r.t. either storing xattr values or computing btree block free space. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2019-07-05 17:29:55 +00:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
xfs: update copyright years for scrub/ files Update the copyright years in the scrub/ source code files. This isn't required, but it's helpful to remind myself just how long it's taken to develop this feature. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-04-12 01:59:57 +00:00
* Copyright (C) 2019-2023 Oracle. All Rights Reserved.
xfs: fix author and spdx headers on scrub/ files Fix the spdx tags to match current practice, and update the author contact information. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-04-12 01:59:56 +00:00
* Author: Darrick J. Wong <djwong@kernel.org>
xfs: refactor extended attribute buffer pointer functions Replace the open-coded attribute buffer pointer calculations with helper functions to make it more obvious what we're doing with our freeform memory allocation w.r.t. either storing xattr values or computing btree block free space. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2019-07-05 17:29:55 +00:00
*/
#ifndef __XFS_SCRUB_ATTR_H__
#define __XFS_SCRUB_ATTR_H__
/*
* Temporary storage for online scrub and repair of extended attributes.
*/
struct xchk_xattr_buf {
xfs: check used space of shortform xattr structures Make sure that the records used inside a shortform xattr structure do not overlap. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-04-12 02:00:33 +00:00
/* Bitmap of used space in xattr leaf blocks and shortform forks. */
xfs: split usedmap from xchk_xattr_buf.buf Move the used space bitmap from somewhere in xchk_xattr_buf.buf[] to an explicit pointer. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-04-12 02:00:31 +00:00
unsigned long *usedmap;
xfs: split freemap from xchk_xattr_buf.buf Move the free space bitmap from somewhere in xchk_xattr_buf.buf[] to an explicit pointer. This is the start of removing the complex overloaded memory buffer that is the source of weird memory misuse bugs. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-04-12 02:00:30 +00:00
/* Bitmap of free space in xattr leaf blocks. */
unsigned long *freemap;
xfs: split valuebuf from xchk_xattr_buf.buf Move the xattr value buffer from somewhere in xchk_xattr_buf.buf[] to an explicit pointer. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
2023-04-12 02:00:31 +00:00
/* Memory buffer used to extract xattr values. */
void *value;
size_t value_sz;
xfs: refactor extended attribute buffer pointer functions Replace the open-coded attribute buffer pointer calculations with helper functions to make it more obvious what we're doing with our freeform memory allocation w.r.t. either storing xattr values or computing btree block free space. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2019-07-05 17:29:55 +00:00
};
#endif /* __XFS_SCRUB_ATTR_H__ */
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