Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
122 lines
2.4 KiB
C
122 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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#include "xfs_shared.h"
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#include "xfs_format.h"
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#include "xfs_da_format.h"
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#include "xfs_log_format.h"
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#include "xfs_trans_resv.h"
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#include "xfs_mount.h"
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#include "xfs_da_btree.h"
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#include "xfs_bmap_btree.h"
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#include "xfs_trans_space.h"
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/* Calculate the disk space required to add a parent pointer. */
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unsigned int
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xfs_parent_calc_space_res(
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struct xfs_mount *mp,
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unsigned int namelen)
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{
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/*
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* Parent pointers are always the first attr in an attr tree, and never
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* larger than a block
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*/
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return XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) +
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XFS_NEXTENTADD_SPACE_RES(mp, namelen, XFS_ATTR_FORK);
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}
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unsigned int
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xfs_create_space_res(
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struct xfs_mount *mp,
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unsigned int namelen)
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{
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unsigned int ret;
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ret = XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp, namelen);
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if (xfs_has_parent(mp))
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ret += xfs_parent_calc_space_res(mp, namelen);
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return ret;
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}
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unsigned int
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xfs_mkdir_space_res(
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struct xfs_mount *mp,
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unsigned int namelen)
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{
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return xfs_create_space_res(mp, namelen);
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}
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unsigned int
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xfs_link_space_res(
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struct xfs_mount *mp,
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unsigned int namelen)
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{
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unsigned int ret;
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ret = XFS_DIRENTER_SPACE_RES(mp, namelen);
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if (xfs_has_parent(mp))
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ret += xfs_parent_calc_space_res(mp, namelen);
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return ret;
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}
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unsigned int
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xfs_symlink_space_res(
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struct xfs_mount *mp,
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unsigned int namelen,
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unsigned int fsblocks)
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{
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unsigned int ret;
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ret = XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp, namelen) +
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fsblocks;
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if (xfs_has_parent(mp))
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ret += xfs_parent_calc_space_res(mp, namelen);
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return ret;
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}
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unsigned int
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xfs_remove_space_res(
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struct xfs_mount *mp,
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unsigned int namelen)
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{
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unsigned int ret = XFS_DIRREMOVE_SPACE_RES(mp);
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if (xfs_has_parent(mp))
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ret += xfs_parent_calc_space_res(mp, namelen);
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return ret;
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}
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unsigned int
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xfs_rename_space_res(
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struct xfs_mount *mp,
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unsigned int src_namelen,
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bool target_exists,
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unsigned int target_namelen,
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bool has_whiteout)
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{
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unsigned int ret;
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ret = XFS_DIRREMOVE_SPACE_RES(mp) +
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XFS_DIRENTER_SPACE_RES(mp, target_namelen);
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if (xfs_has_parent(mp)) {
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if (has_whiteout)
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ret += xfs_parent_calc_space_res(mp, src_namelen);
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ret += 2 * xfs_parent_calc_space_res(mp, target_namelen);
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}
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if (target_exists)
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ret += xfs_parent_calc_space_res(mp, target_namelen);
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return ret;
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}
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