72 lines
3.3 KiB
C
72 lines
3.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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/*
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* Defines and function declarations for lowmem mode check.
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*/
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#ifndef __BTRFS_CHECK_MODE_LOWMEM_H__
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#define __BTRFS_CHECK_MODE_LOWMEM_H__
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#define ROOT_DIR_ERROR (1<<1) /* bad ROOT_DIR */
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#define DIR_ITEM_MISSING (1<<2) /* DIR_ITEM not found */
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#define DIR_ITEM_MISMATCH (1<<3) /* DIR_ITEM found but not match */
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#define INODE_REF_MISSING (1<<4) /* INODE_REF/INODE_EXTREF not found */
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#define INODE_ITEM_MISSING (1<<5) /* INODE_ITEM not found */
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#define INODE_ITEM_MISMATCH (1<<6) /* INODE_ITEM found but not match */
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#define FILE_EXTENT_ERROR (1<<7) /* bad FILE_EXTENT */
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#define ODD_CSUM_ITEM (1<<8) /* CSUM_ITEM error */
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#define CSUM_ITEM_MISSING (1<<9) /* CSUM_ITEM not found */
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#define LINK_COUNT_ERROR (1<<10) /* INODE_ITEM nlink count error */
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#define NBYTES_ERROR (1<<11) /* INODE_ITEM nbytes count error */
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#define ISIZE_ERROR (1<<12) /* INODE_ITEM size count error */
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#define ORPHAN_ITEM (1<<13) /* INODE_ITEM no reference */
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#define NO_INODE_ITEM (1<<14) /* no inode_item */
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#define LAST_ITEM (1<<15) /* Complete this tree traversal */
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#define ROOT_REF_MISSING (1<<16) /* ROOT_REF not found */
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#define ROOT_REF_MISMATCH (1<<17) /* ROOT_REF found but not match */
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#define DIR_INDEX_MISSING (1<<18) /* INODE_INDEX not found */
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#define DIR_INDEX_MISMATCH (1<<19) /* INODE_INDEX found but not match */
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#define DIR_COUNT_AGAIN (1<<20) /* DIR isize should be recalculated */
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#define BG_ACCOUNTING_ERROR (1<<21) /* Block group accounting error */
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#define FATAL_ERROR (1<<22) /* Fatal bit for errno */
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#define INODE_FLAGS_ERROR (1<<23) /* Invalid inode flags */
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#define DIR_ITEM_HASH_MISMATCH (1<<24) /* Dir item hash mismatch */
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#define INODE_MODE_ERROR (1<<25) /* Bad inode mode */
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#define INVALID_GENERATION (1<<26) /* Generation is too new */
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#define SUPER_BYTES_USED_ERROR (1<<27) /* Super bytes_used is invalid */
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/*
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* Error bit for low memory mode check.
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*
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* Currently no caller cares about it yet. Just internal use for error
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* classification.
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*/
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#define BACKREF_MISSING (1 << 0) /* Backref missing in extent tree */
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#define BACKREF_MISMATCH (1 << 1) /* Backref exists but does not match */
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#define BYTES_UNALIGNED (1 << 2) /* Some bytes are not aligned */
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#define REFERENCER_MISSING (1 << 3) /* Referencer not found */
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#define REFERENCER_MISMATCH (1 << 4) /* Referencer found but does not match */
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#define CROSSING_STRIPE_BOUNDARY (1 << 4) /* For kernel scrub workaround */
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#define ITEM_SIZE_MISMATCH (1 << 5) /* Bad item size */
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#define UNKNOWN_TYPE (1 << 6) /* Unknown type */
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#define ACCOUNTING_MISMATCH (1 << 7) /* Used space accounting error */
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#define CHUNK_TYPE_MISMATCH (1 << 8)
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int check_fs_roots_lowmem(void);
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int check_chunks_and_extents_lowmem(void);
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#endif
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