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btrfs-progs: check: Move definitions of lowmem mode to check/lowmem.h 

Unlike original mode, lowmem mode mostly uses normal tree operations, so
no structure definitions, only a lot of random error bits.

Reviewed-by: Su Yue <suy.fnst@cn.fujitsu.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2018-01-17 15:24:05 +08:00 committed by David Sterba
parent c10efe7c1c
commit 16e58a4003
2 changed files with 63 additions and 38 deletions
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62
check/lowmem.h Normal file
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@ -0,0 +1,62 @@
/*
* 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_LOWMEM_H__
#define __BTRFS_CHECK_LOWMEM_H__
#define ROOT_DIR_ERROR (1<<1) /* bad ROOT_DIR */
#define DIR_ITEM_MISSING (1<<2) /* DIR_ITEM not found */
#define DIR_ITEM_MISMATCH (1<<3) /* DIR_ITEM found but not match */
#define INODE_REF_MISSING (1<<4) /* INODE_REF/INODE_EXTREF not found */
#define INODE_ITEM_MISSING (1<<5) /* INODE_ITEM not found */
#define INODE_ITEM_MISMATCH (1<<6) /* INODE_ITEM found but not match */
#define FILE_EXTENT_ERROR (1<<7) /* bad FILE_EXTENT */
#define ODD_CSUM_ITEM (1<<8) /* CSUM_ITEM error */
#define CSUM_ITEM_MISSING (1<<9) /* CSUM_ITEM not found */
#define LINK_COUNT_ERROR (1<<10) /* INODE_ITEM nlink count error */
#define NBYTES_ERROR (1<<11) /* INODE_ITEM nbytes count error */
#define ISIZE_ERROR (1<<12) /* INODE_ITEM size count error */
#define ORPHAN_ITEM (1<<13) /* INODE_ITEM no reference */
#define NO_INODE_ITEM (1<<14) /* no inode_item */
#define LAST_ITEM (1<<15) /* Complete this tree traversal */
#define ROOT_REF_MISSING (1<<16) /* ROOT_REF not found */
#define ROOT_REF_MISMATCH (1<<17) /* ROOT_REF found but not match */
#define DIR_INDEX_MISSING (1<<18) /* INODE_INDEX not found */
#define DIR_INDEX_MISMATCH (1<<19) /* INODE_INDEX found but not match */
#define DIR_COUNT_AGAIN (1<<20) /* DIR isize should be recalculated */
#define BG_ACCOUNTING_ERROR (1<<21) /* Block group accounting error */
/*
* Error bit for low memory mode check.
*
* Currently no caller cares about it yet. Just internal use for error
* classification.
*/
#define BACKREF_MISSING (1 << 0) /* Backref missing in extent tree */
#define BACKREF_MISMATCH (1 << 1) /* Backref exists but does not match */
#define BYTES_UNALIGNED (1 << 2) /* Some bytes are not aligned */
#define REFERENCER_MISSING (1 << 3) /* Referencer not found */
#define REFERENCER_MISMATCH (1 << 4) /* Referenceer found but does not match */
#define CROSSING_STRIPE_BOUNDARY (1 << 4) /* For kernel scrub workaround */
#define ITEM_SIZE_MISMATCH (1 << 5) /* Bad item size */
#define UNKNOWN_TYPE (1 << 6) /* Unknown type */
#define ACCOUNTING_MISMATCH (1 << 7) /* Used space accounting error */
#define CHUNK_TYPE_MISMATCH (1 << 8)
#endif

39
check/main.c
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@ -44,6 +44,7 @@
#include "hash.h"
#include "help.h"
#include "check/original.h"
#include "check/lowmem.h"
enum task_position {
TASK_EXTENTS,
@ -85,28 +86,6 @@ enum btrfs_check_mode {
static enum btrfs_check_mode check_mode = CHECK_MODE_DEFAULT;
#define ROOT_DIR_ERROR (1<<1) /* bad ROOT_DIR */
#define DIR_ITEM_MISSING (1<<2) /* DIR_ITEM not found */
#define DIR_ITEM_MISMATCH (1<<3) /* DIR_ITEM found but not match */
#define INODE_REF_MISSING (1<<4) /* INODE_REF/INODE_EXTREF not found */
#define INODE_ITEM_MISSING (1<<5) /* INODE_ITEM not found */
#define INODE_ITEM_MISMATCH (1<<6) /* INODE_ITEM found but not match */
#define FILE_EXTENT_ERROR (1<<7) /* bad FILE_EXTENT */
#define ODD_CSUM_ITEM (1<<8) /* CSUM_ITEM error */
#define CSUM_ITEM_MISSING (1<<9) /* CSUM_ITEM not found */
#define LINK_COUNT_ERROR (1<<10) /* INODE_ITEM nlink count error */
#define NBYTES_ERROR (1<<11) /* INODE_ITEM nbytes count error */
#define ISIZE_ERROR (1<<12) /* INODE_ITEM size count error */
#define ORPHAN_ITEM (1<<13) /* INODE_ITEM no reference */
#define NO_INODE_ITEM (1<<14) /* no inode_item */
#define LAST_ITEM (1<<15) /* Complete this tree traversal */
#define ROOT_REF_MISSING (1<<16) /* ROOT_REF not found */
#define ROOT_REF_MISMATCH (1<<17) /* ROOT_REF found but not match */
#define DIR_INDEX_MISSING (1<<18) /* INODE_INDEX not found */
#define DIR_INDEX_MISMATCH (1<<19) /* INODE_INDEX found but not match */
#define DIR_COUNT_AGAIN (1<<20) /* DIR isize should be recalculated */
#define BG_ACCOUNTING_ERROR (1<<21) /* Block group accounting error */
static int compare_data_backref(struct rb_node *node1, struct rb_node *node2)
{
struct extent_backref *ext1 = rb_node_to_extent_backref(node1);
@ -193,22 +172,6 @@ static int compare_extent_backref(struct rb_node *node1, struct rb_node *node2)
return compare_tree_backref(node1, node2);
}
/*
* Error bit for low memory mode check.
*
* Currently no caller cares about it yet. Just internal use for error
* classification.
*/
#define BACKREF_MISSING (1 << 0) /* Backref missing in extent tree */
#define BACKREF_MISMATCH (1 << 1) /* Backref exists but does not match */
#define BYTES_UNALIGNED (1 << 2) /* Some bytes are not aligned */
#define REFERENCER_MISSING (1 << 3) /* Referencer not found */
#define REFERENCER_MISMATCH (1 << 4) /* Referenceer found but does not match */
#define CROSSING_STRIPE_BOUNDARY (1 << 4) /* For kernel scrub workaround */
#define ITEM_SIZE_MISMATCH (1 << 5) /* Bad item size */
#define UNKNOWN_TYPE (1 << 6) /* Unknown type */
#define ACCOUNTING_MISMATCH (1 << 7) /* Used space accounting error */
#define CHUNK_TYPE_MISMATCH (1 << 8)
static void *print_status_check(void *p)
{