mirror of
https://github.com/kdave/btrfs-progs
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58a19f1ea7
This function is shared between original and lowmem mode, and it's small enough, so move it to check/common.h. 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>
76 lines
2.3 KiB
C
76 lines
2.3 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 code shared by both lowmem and
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* original mode
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*/
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#ifndef __BTRFS_CHECK_COMMON_H__
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#define __BTRFS_CHECK_COMMON_H__
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#include <sys/stat.h>
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#include "ctree.h"
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/*
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* Use for tree walk to walk through trees whose leaves/nodes can be shared
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* between different trees. (Namely subvolume/fs trees)
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*/
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struct node_refs {
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u64 bytenr[BTRFS_MAX_LEVEL];
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u64 refs[BTRFS_MAX_LEVEL];
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int need_check[BTRFS_MAX_LEVEL];
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/* field for checking all trees */
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int checked[BTRFS_MAX_LEVEL];
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/* the corresponding extent should be marked as full backref or not */
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int full_backref[BTRFS_MAX_LEVEL];
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};
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extern u64 bytes_used;
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extern u64 total_csum_bytes;
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extern u64 total_btree_bytes;
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extern u64 total_fs_tree_bytes;
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extern u64 total_extent_tree_bytes;
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extern u64 btree_space_waste;
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extern u64 data_bytes_allocated;
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extern u64 data_bytes_referenced;
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extern struct list_head duplicate_extents;
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extern struct list_head delete_items;
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extern int no_holes;
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extern int init_extent_tree;
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extern int check_data_csum;
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extern struct btrfs_fs_info *global_info;
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extern struct task_ctx ctx;
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extern struct cache_tree *roots_info_cache;
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static inline u8 imode_to_type(u32 imode)
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{
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#define S_SHIFT 12
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static unsigned char btrfs_type_by_mode[S_IFMT >> S_SHIFT] = {
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[S_IFREG >> S_SHIFT] = BTRFS_FT_REG_FILE,
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[S_IFDIR >> S_SHIFT] = BTRFS_FT_DIR,
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[S_IFCHR >> S_SHIFT] = BTRFS_FT_CHRDEV,
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[S_IFBLK >> S_SHIFT] = BTRFS_FT_BLKDEV,
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[S_IFIFO >> S_SHIFT] = BTRFS_FT_FIFO,
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[S_IFSOCK >> S_SHIFT] = BTRFS_FT_SOCK,
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[S_IFLNK >> S_SHIFT] = BTRFS_FT_SYMLINK,
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};
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return btrfs_type_by_mode[(imode & S_IFMT) >> S_SHIFT];
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#undef S_SHIFT
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}
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#endif
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