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If a mounted LV is renamed, then fs resizing utilities will fail, so detect this condition and fail the command before any changes are made.
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/*
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* Copyright (C) 2022 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _FILESYSTEM_H
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#define _FILESYSTEM_H
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#define FSTYPE_MAX 16
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struct fs_info {
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char fstype[FSTYPE_MAX];
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char mount_dir[PATH_MAX];
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char fs_dev_path[PATH_MAX]; /* usually lv dev, can be crypt dev */
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unsigned int fs_block_size_bytes; /* 512 or 4k */
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uint64_t fs_last_byte; /* last byte on the device used by the fs */
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uint32_t crypt_offset_bytes; /* offset in bytes of crypt data on LV */
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dev_t crypt_devt; /* dm-crypt device between the LV and FS */
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uint64_t crypt_dev_size_bytes;
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unsigned nofs:1;
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unsigned unmounted:1;
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unsigned mounted:1;
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/* for resizing */
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unsigned needs_reduce:1;
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unsigned needs_extend:1;
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unsigned needs_fsck:1;
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unsigned needs_unmount:1;
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unsigned needs_mount:1;
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unsigned needs_crypt:1;
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};
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int fs_get_info(struct cmd_context *cmd, struct logical_volume *lv,
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struct fs_info *fsi, int include_mount);
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int fs_extend_script(struct cmd_context *cmd, struct logical_volume *lv, struct fs_info *fsi,
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uint64_t newsize_bytes, char *fsmode);
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int fs_reduce_script(struct cmd_context *cmd, struct logical_volume *lv, struct fs_info *fsi,
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uint64_t newsize_bytes, char *fsmode);
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int crypt_resize_script(struct cmd_context *cmd, struct logical_volume *lv, struct fs_info *fsi,
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uint64_t newsize_bytes_fs);
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int fs_mount_state_is_misnamed(struct cmd_context *cmd, struct logical_volume *lv, char *lv_path, char *fstype);
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#endif
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