diff options
Diffstat (limited to 'ubifs-utils/fsck.ubifs/fsck.ubifs.h')
| -rw-r--r-- | ubifs-utils/fsck.ubifs/fsck.ubifs.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/ubifs-utils/fsck.ubifs/fsck.ubifs.h b/ubifs-utils/fsck.ubifs/fsck.ubifs.h index c21082e..d77ebc6 100644 --- a/ubifs-utils/fsck.ubifs/fsck.ubifs.h +++ b/ubifs-utils/fsck.ubifs/fsck.ubifs.h @@ -40,6 +40,102 @@ enum { NORMAL_MODE = 0, SAFE_MODE, DANGER_MODE0, enum { SB_CORRUPTED = 0 }; /** + * scanned_node - common header node. + * @exist: whether the node is found by scanning + * @lnum: LEB number of the scanned node + * @offs: scanned node's offset within @lnum + * @len: length of scanned node + * @sqnum: sequence number + */ +struct scanned_node { + bool exist; + int lnum; + int offs; + int len; + unsigned long long sqnum; +}; + +/** + * scanned_ino_node - scanned inode node. + * @header: common header of scanned node + * @key: the key of inode node + * @is_xattr: %1 for xattr inode, otherwise %0 + * @is_encrypted: %1 for encrypted inode, otherwise %0 + * @mode: file mode + * @nlink: number of hard links + * @xcnt: count of extended attributes this inode has + * @xsz: summarized size of all extended attributes in bytes + * @xnms: sum of lengths of all extended attribute names + * @size: inode size in bytes + * @rb: link in the tree of valid inode nodes or deleted inode nodes + */ +struct scanned_ino_node { + struct scanned_node header; + union ubifs_key key; + unsigned int is_xattr:1; + unsigned int is_encrypted:1; + unsigned int mode; + unsigned int nlink; + unsigned int xcnt; + unsigned int xsz; + unsigned int xnms; + unsigned long long size; + struct rb_node rb; +}; + +/** + * scanned_dent_node - scanned dentry node. + * @header: common header of scanned node + * @key: the key of dentry node + * @can_be_found: whether this dentry can be found from '/' + * @type: file type, reg/dir/symlink/block/char/fifo/sock + * @nlen: name length + * @name: dentry name + * @inum: target inode number + * @rb: link in the trees of: + * 1) valid dentry nodes or deleted dentry node + * 2) all scanned dentry nodes from same file + * @list: link in the list dentries for looking up/deleting + */ +struct scanned_dent_node { + struct scanned_node header; + union ubifs_key key; + bool can_be_found; + unsigned int type; + unsigned int nlen; + char name[UBIFS_MAX_NLEN + 1]; + ino_t inum; + struct rb_node rb; + struct list_head list; +}; + +/** + * scanned_data_node - scanned data node. + * @header: common header of scanned node + * @key: the key of data node + * @size: uncompressed data size in bytes + * @rb: link in the tree of all scanned data nodes from same file + * @list: link in the list for deleting + */ +struct scanned_data_node { + struct scanned_node header; + union ubifs_key key; + unsigned int size; + struct rb_node rb; + struct list_head list; +}; + +/** + * scanned_trun_node - scanned truncation node. + * @header: common header of scanned node + * @new_size: size after truncation + */ +struct scanned_trun_node { + struct scanned_node header; + unsigned long long new_size; +}; + +/** * struct ubifs_fsck_info - UBIFS fsck information. * @mode: working mode * @failure_reason: reasons for failed operations @@ -102,4 +198,14 @@ bool fix_problem(const struct ubifs_info *c, int problem_type); int ubifs_load_filesystem(struct ubifs_info *c); void ubifs_destroy_filesystem(struct ubifs_info *c); +/* extract_files.c */ +bool parse_ino_node(struct ubifs_info *c, int lnum, int offs, void *node, + union ubifs_key *key, struct scanned_ino_node *ino_node); +bool parse_dent_node(struct ubifs_info *c, int lnum, int offs, void *node, + union ubifs_key *key, struct scanned_dent_node *dent_node); +bool parse_data_node(struct ubifs_info *c, int lnum, int offs, void *node, + union ubifs_key *key, struct scanned_data_node *data_node); +bool parse_trun_node(struct ubifs_info *c, int lnum, int offs, void *node, + union ubifs_key *key, struct scanned_trun_node *trun_node); + #endif |