ref: a3f2d6d23ed1be69fee607bdedadc0438fd01305
dir: /sys/src/cmd/ext4srv/include/ext4_inode.h/
#pragma once #include "ext4_config.h" #include "ext4_types.h" #pragma incomplete struct ext4_extent_header /**@brief Get mode of the i-node. * @param sb Superblock * @param inode I-node to load mode from * @return Mode of the i-node */ u32int ext4_inode_get_mode(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Set mode of the i-node. * @param sb Superblock * @param inode I-node to set mode to * @param mode Mode to set to i-node */ void ext4_inode_set_mode(struct ext4_sblock *sb, struct ext4_inode *inode, u32int mode); /**@brief Get ID of the i-node owner (user id). * @param inode I-node to load uid from * @return User ID of the i-node owner */ u32int ext4_inode_get_uid(struct ext4_inode *inode); /**@brief Set ID of the i-node owner. * @param inode I-node to set uid to * @param uid ID of the i-node owner */ void ext4_inode_set_uid(struct ext4_inode *inode, u32int uid); /**@brief Get real i-node size. * @param sb Superblock * @param inode I-node to load size from * @return Real size of i-node */ u64int ext4_inode_get_size(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Set real i-node size. * @param inode I-node to set size to * @param size Size of the i-node */ void ext4_inode_set_size(struct ext4_inode *inode, u64int size); /**@brief Get time, when i-node was last accessed. * @param inode I-node * @return Time of the last access (POSIX) */ u32int ext4_inode_get_access_time(struct ext4_inode *inode); /**@brief Set time, when i-node was last accessed. * @param inode I-node * @param time Time of the last access (POSIX) */ void ext4_inode_set_access_time(struct ext4_inode *inode, u32int time); /**@brief Get time, when i-node was last changed. * @param inode I-node * @return Time of the last change (POSIX) */ u32int ext4_inode_get_change_inode_time(struct ext4_inode *inode); /**@brief Set time, when i-node was last changed. * @param inode I-node * @param time Time of the last change (POSIX) */ void ext4_inode_set_change_inode_time(struct ext4_inode *inode, u32int time); /**@brief Get time, when i-node content was last modified. * @param inode I-node * @return Time of the last content modification (POSIX) */ u32int ext4_inode_get_modif_time(struct ext4_inode *inode); /**@brief Set time, when i-node content was last modified. * @param inode I-node * @param time Time of the last content modification (POSIX) */ void ext4_inode_set_modif_time(struct ext4_inode *inode, u32int time); /**@brief Get time, when i-node was deleted. * @param inode I-node * @return Time of the delete action (POSIX) */ u32int ext4_inode_get_del_time(struct ext4_inode *inode); /**@brief Get time, when i-node was created. * @param inode I-node * @return Time of the create action (POSIX) */ u32int ext4_inode_get_creation_time(struct ext4_inode *inode); /**@brief Set time, when i-node was deleted. * @param inode I-node * @param time Time of the delete action (POSIX) */ void ext4_inode_set_del_time(struct ext4_inode *inode, u32int time); /**@brief Get ID of the i-node owner's group. * @param inode I-node to load gid from * @return Group ID of the i-node owner */ u32int ext4_inode_get_gid(struct ext4_inode *inode); /**@brief Set ID to the i-node owner's group. * @param inode I-node to set gid to * @param gid Group ID of the i-node owner */ void ext4_inode_set_gid(struct ext4_inode *inode, u32int gid); /**@brief Get number of links to i-node. * @param inode I-node to load number of links from * @return Number of links to i-node */ u16int ext4_inode_get_links_cnt(struct ext4_inode *inode); /**@brief Set number of links to i-node. * @param inode I-node to set number of links to * @param count Number of links to i-node */ void ext4_inode_set_links_cnt(struct ext4_inode *inode, u16int cnt); /**@brief Get number of 512-bytes blocks used for i-node. * @param sb Superblock * @param inode I-node * @return Number of 512-bytes blocks */ u64int ext4_inode_get_blocks_count(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Set number of 512-bytes blocks used for i-node. * @param sb Superblock * @param inode I-node * @param count Number of 512-bytes blocks * @return Error code */ int ext4_inode_set_blocks_count(struct ext4_sblock *sb, struct ext4_inode *inode, u64int cnt); /**@brief Get flags (features) of i-node. * @param inode I-node to get flags from * @return Flags (bitmap) */ u32int ext4_inode_get_flags(struct ext4_inode *inode); /**@brief Set flags (features) of i-node. * @param inode I-node to set flags to * @param flags Flags to set to i-node */ void ext4_inode_set_flags(struct ext4_inode *inode, u32int flags); /**@brief Get file generation (used by NFS). * @param inode I-node * @return File generation */ u32int ext4_inode_get_generation(struct ext4_inode *inode); /**@brief Set file generation (used by NFS). * @param inode I-node * @param generation File generation */ void ext4_inode_set_generation(struct ext4_inode *inode, u32int gen); /**@brief Get extra I-node size field. * @param sb Superblock * @param inode I-node * @return extra I-node size */ u16int ext4_inode_get_extra_isize(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Set extra I-node size field. * @param sb Superblock * @param inode I-node * @param size extra I-node size */ void ext4_inode_set_extra_isize(struct ext4_sblock *sb, struct ext4_inode *inode, u16int size); /**@brief Get address of block, where are extended attributes located. * @param inode I-node * @param sb Superblock * @return Block address */ u64int ext4_inode_get_file_acl(struct ext4_inode *inode, struct ext4_sblock *sb); /**@brief Set address of block, where are extended attributes located. * @param inode I-node * @param sb Superblock * @param file_acl Block address */ void ext4_inode_set_file_acl(struct ext4_inode *inode, struct ext4_sblock *sb, u64int acl); /**@brief Get block address of specified direct block. * @param inode I-node to load block from * @param idx Index of logical block * @return Physical block address */ u32int ext4_inode_get_direct_block(struct ext4_inode *inode, u32int idx); /**@brief Set block address of specified direct block. * @param inode I-node to set block address to * @param idx Index of logical block * @param fblock Physical block address */ void ext4_inode_set_direct_block(struct ext4_inode *inode, u32int idx, u32int block); /**@brief Get block address of specified indirect block. * @param inode I-node to get block address from * @param idx Index of indirect block * @return Physical block address */ u32int ext4_inode_get_indirect_block(struct ext4_inode *inode, u32int idx); /**@brief Set block address of specified indirect block. * @param inode I-node to set block address to * @param idx Index of indirect block * @param fblock Physical block address */ void ext4_inode_set_indirect_block(struct ext4_inode *inode, u32int idx, u32int block); /**@brief Get device number * @param inode I-node to get device number from * @return Device number */ u32int ext4_inode_get_dev(struct ext4_inode *inode); /**@brief Set device number * @param inode I-node to set device number to * @param dev Device number */ void ext4_inode_set_dev(struct ext4_inode *inode, u32int dev); /**@brief return the type of i-node * @param sb Superblock * @param inode I-node to return the type of * @return Result of check operation */ u32int ext4_inode_type(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Check if i-node has specified type. * @param sb Superblock * @param inode I-node to check type of * @param type Type to check * @return Result of check operation */ bool ext4_inode_is_type(struct ext4_sblock *sb, struct ext4_inode *inode, u32int type); /**@brief Check if i-node has specified flag. * @param inode I-node to check flags of * @param flag Flag to check * @return Result of check operation */ bool ext4_inode_has_flag(struct ext4_inode *inode, u32int f); /**@brief Remove specified flag from i-node. * @param inode I-node to clear flag on * @param clear_flag Flag to be cleared */ void ext4_inode_clear_flag(struct ext4_inode *inode, u32int f); /**@brief Set specified flag to i-node. * @param inode I-node to set flag on * @param set_flag Flag to be set */ void ext4_inode_set_flag(struct ext4_inode *inode, u32int f); /**@brief Get inode checksum(crc32) * @param sb Superblock * @param inode I-node to get checksum value from */ u32int ext4_inode_get_csum(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Get inode checksum(crc32) * @param sb Superblock * @param inode I-node to get checksum value from */ void ext4_inode_set_csum(struct ext4_sblock *sb, struct ext4_inode *inode, u32int checksum); /**@brief Check if i-node can be truncated. * @param sb Superblock * @param inode I-node to check * @return Result of the check operation */ bool ext4_inode_can_truncate(struct ext4_sblock *sb, struct ext4_inode *inode); /**@brief Get extent header from the root of the extent tree. * @param inode I-node to get extent header from * @return Pointer to extent header of the root node */ struct ext4_extent_header * ext4_inode_get_extent_header(struct ext4_inode *inode);