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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will 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 to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
/*
* Defines and function declarations for lowmem mode check.
*/
#ifndef __BTRFS_CHECK_MODE_LOWMEM_H__
#define __BTRFS_CHECK_MODE_LOWMEM_H__
#define ROOT_DIR_ERROR (1U << 1) /* bad ROOT_DIR */
#define DIR_ITEM_MISSING (1U << 2) /* DIR_ITEM not found */
#define DIR_ITEM_MISMATCH (1U << 3) /* DIR_ITEM found but not match */
#define INODE_REF_MISSING (1U << 4) /* INODE_REF/INODE_EXTREF not found */
#define INODE_ITEM_MISSING (1U << 5) /* INODE_ITEM not found */
#define INODE_ITEM_MISMATCH (1U << 6) /* INODE_ITEM found but not match */
#define FILE_EXTENT_ERROR (1U << 7) /* bad FILE_EXTENT */
#define ODD_CSUM_ITEM (1U << 8) /* CSUM_ITEM error */
#define CSUM_ITEM_MISSING (1U << 9) /* CSUM_ITEM not found */
#define LINK_COUNT_ERROR (1U << 10) /* INODE_ITEM nlink count error */
#define NBYTES_ERROR (1U << 11) /* INODE_ITEM nbytes count error */
#define ISIZE_ERROR (1U << 12) /* INODE_ITEM size count error */
#define ORPHAN_ITEM (1U << 13) /* INODE_ITEM no reference */
#define NO_INODE_ITEM (1U << 14) /* no inode_item */
#define LAST_ITEM (1U << 15) /* Complete this tree traversal */
#define ROOT_REF_MISSING (1U << 16) /* ROOT_REF not found */
#define ROOT_REF_MISMATCH (1U << 17) /* ROOT_REF found but not match */
#define DIR_INDEX_MISSING (1U << 18) /* INODE_INDEX not found */
#define DIR_INDEX_MISMATCH (1U << 19) /* INODE_INDEX found but not match */
#define DIR_COUNT_AGAIN (1U << 20) /* DIR isize should be recalculated */
#define BG_ACCOUNTING_ERROR (1U << 21) /* Block group accounting error */
#define FATAL_ERROR (1U << 22) /* Fatal bit for errno */
#define INODE_FLAGS_ERROR (1U << 23) /* Invalid inode flags */
#define DIR_ITEM_HASH_MISMATCH (1U << 24) /* Dir item hash mismatch */
#define INODE_MODE_ERROR (1U << 25) /* Bad inode mode */
#define INVALID_GENERATION (1U << 26) /* Generation is too new */
#define SUPER_BYTES_USED_ERROR (1U << 27) /* Super bytes_used is invalid */
/*
* Error bit for low memory mode check.
*
* Currently no caller cares about it yet. Just internal use for error
* classification.
*/
#define BACKREF_MISSING (1U << 0) /* Backref missing in extent tree */
#define BACKREF_MISMATCH (1U << 1) /* Backref exists but does not match */
#define BYTES_UNALIGNED (1U << 2) /* Some bytes are not aligned */
#define REFERENCER_MISSING (1U << 3) /* Referencer not found */
#define REFERENCER_MISMATCH (1U << 4) /* Referencer found but does not match */
#define CROSSING_STRIPE_BOUNDARY (1U << 4) /* For kernel scrub workaround */
#define ITEM_SIZE_MISMATCH (1U << 5) /* Bad item size */
#define UNKNOWN_TYPE (1U << 6) /* Unknown type */
#define ACCOUNTING_MISMATCH (1U << 7) /* Used space accounting error */
#define CHUNK_TYPE_MISMATCH (1U << 8) /* Extent type and chunk type don't match */
#define BACKREF_OUT_OF_ORDER (1U << 9) /* Inline backrefs out of order */
int check_fs_roots_lowmem(void);
int check_chunks_and_extents_lowmem(void);
#endif
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