ftruncate
NR: 77
implementation
complexity: 161
similar syscall
accessed structs
| func | struct | target | location | has_read | has_write |
|---|---|---|---|---|---|
| timestamp_truncate | timespec64 | tv_sec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2735 | false | false |
| timestamp_truncate | timespec64 | tv_sec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2736 | true | true |
| timestamp_truncate | timespec64 | tv_nsec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2737 | false | false |
| timestamp_truncate | timespec64 | tv_nsec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2743 | false | false |
| timestamp_truncate | timespec64 | tv_nsec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2745 | true | true |
| timestamp_truncate | timespec64 | tv_nsec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2745 | true | true |
| timestamp_truncate | inode | i_sb | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2732 | true | true |
| timestamp_truncate | super_block | s_time_max | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2736 | true | true |
| timestamp_truncate | super_block | s_time_min | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2736 | true | true |
| timestamp_truncate | super_block | s_time_gran | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2733 | true | true |
| do_sys_ftruncate | fd | word | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L207 | true | true |
| fd_empty | fd | word | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/file.h#L47 | true | true |
| security_file_truncate | static_key_false | key | https://elixir.bootlin.com/linux/v6.14.7/source/security/security.c#L3146 | false | false |
| security_inode_need_killpriv | static_key_false | key | https://elixir.bootlin.com/linux/v6.14.7/source/security/security.c#L2638 | false | false |
| security_inode_post_setattr | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/security/security.c#L2360 | true | true |
| security_inode_post_setattr | static_key_false | key | https://elixir.bootlin.com/linux/v6.14.7/source/security/security.c#L2362 | false | false |
| security_inode_setattr | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/security/security.c#L2343 | true | true |
| security_inode_setattr | static_key_false | key | https://elixir.bootlin.com/linux/v6.14.7/source/security/security.c#L2345 | false | false |
| dentry_needs_remove_privs | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2216 | true | true |
| do_ftruncate | file | f_path | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L187 | false | false |
| do_ftruncate | file | f_path | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L170 | true | true |
| do_ftruncate | path | dentry | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L170 | true | true |
| do_ftruncate | dentry | d_inode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L171 | true | true |
| do_ftruncate | file | f_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L172 | true | true |
| do_ftruncate | file | f_flags | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L167 | true | true |
| do_ftruncate | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L180 | true | true |
| do_ftruncate | inode | i_sb | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L191 | true | true |
| do_ftruncate | inode | i_sb | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L194 | true | true |
| do_ftruncate | inode | i_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L172 | true | true |
| __fget_light | file | f_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/file.c#L1156 | true | true |
| __fget_light | task_struct | files | https://elixir.bootlin.com/linux/v6.14.7/source/fs/file.c#L1142 | true | true |
| __fget_light | files_struct | count | https://elixir.bootlin.com/linux/v6.14.7/source/fs/file.c#L1154 | false | false |
| files_lookup_fd_raw | fdtable | max_fds | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fdtable.h#L75 | true | true |
| files_lookup_fd_raw | fdtable | fd | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fdtable.h#L84 | true | true |
| files_lookup_fd_raw | files_struct | fdt | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fdtable.h#L74 | false | false |
| files_lookup_fd_raw | files_struct | fdt | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fdtable.h#L74 | true | true |
| inode_lock | inode | i_rwsem | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L877 | false | false |
| file_inode | file | f_inode | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1184 | true | true |
| mnt_idmap | vfsmount | mnt_idmap | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/mount.h#L78 | false | false |
| mnt_idmap | vfsmount | mnt_idmap | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/mount.h#L78 | true | true |
| d_inode | dentry | d_inode | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/dcache.h#L539 | true | true |
| file_mnt_idmap | file | f_path | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L2781 | true | true |
| file_mnt_idmap | path | mnt | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L2781 | true | true |
| i_uid_into_vfsuid | inode | i_uid | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1498 | true | true |
| i_gid_into_vfsgid | inode | i_gid | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1550 | true | true |
| __sb_start_write | super_block | s_writers | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1785 | true | true |
| __sb_start_write | sb_writers | rw_sem | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1785 | false | false |
| __sb_end_write | super_block | s_writers | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1780 | true | true |
| __sb_end_write | sb_writers | rw_sem | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L1780 | false | false |
| percpu_down_read | percpu_rw_semaphore | rss | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/percpu-rwsem.h#L62 | false | false |
| percpu_down_read | percpu_rw_semaphore | read_count | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/percpu-rwsem.h#L63 | true | true |
| percpu_up_read | percpu_rw_semaphore | rss | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/percpu-rwsem.h#L105 | false | false |
| percpu_up_read | percpu_rw_semaphore | read_count | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/percpu-rwsem.h#L106 | true | true |
| percpu_up_read | percpu_rw_semaphore | read_count | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/percpu-rwsem.h#L118 | true | true |
| percpu_up_read | percpu_rw_semaphore | writer | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/percpu-rwsem.h#L119 | false | false |
| inode_is_locked | inode | i_rwsem | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L907 | false | false |
| may_setattr | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L377 | true | true |
| may_setattr | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L386 | true | true |
| simple_setattr | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/libfs.c#L895 | true | true |
| simple_setattr | iattr | ia_size | https://elixir.bootlin.com/linux/v6.14.7/source/fs/libfs.c#L896 | true | true |
| setattr_should_drop_suidgid | inode | i_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L66 | true | true |
| notify_change | dentry | d_inode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L429 | true | true |
| notify_change | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L433 | true | true |
| notify_change | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L510 | true | true |
| notify_change | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L481 | true | true |
| notify_change | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L497 | true | true |
| notify_change | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L504 | true | true |
| notify_change | (unnamed class/struct/union) | ia_vfsgid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L523 | true | true |
| notify_change | (unnamed class/struct/union) | ia_vfsuid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L519 | true | true |
| notify_change | iattr | ia_ctime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L466 | false | false |
| notify_change | iattr | ia_mtime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L472 | false | false |
| notify_change | iattr | ia_mtime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L474 | false | false |
| notify_change | iattr | ia_mtime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L474 | true | true |
| notify_change | iattr | ia_atime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L468 | false | false |
| notify_change | iattr | ia_atime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L470 | false | false |
| notify_change | iattr | ia_atime | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L470 | true | true |
| notify_change | iattr | ia_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L498 | false | false |
| notify_change | iattr | ia_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L505 | false | false |
| notify_change | iattr | ia_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L460 | true | true |
| notify_change | iattr | ia_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L507 | true | true |
| notify_change | inode | i_flags | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L461 | true | true |
| notify_change | inode | i_sb | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L518 | true | true |
| notify_change | inode | i_sb | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L522 | true | true |
| notify_change | inode | i_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L430 | true | true |
| notify_change | inode | i_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L456 | true | true |
| notify_change | inode | i_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L498 | true | true |
| notify_change | inode | i_mode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L505 | true | true |
| notify_change | super_block | s_user_ns | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L518 | true | true |
| notify_change | super_block | s_user_ns | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L522 | true | true |
| notify_change | inode | i_op | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L551 | true | true |
| notify_change | inode | i_op | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L552 | true | true |
| notify_change | inode_operations | setattr | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L551 | true | true |
| notify_change | inode_operations | setattr | https://elixir.bootlin.com/linux/v6.14.7/source/fs/attr.c#L552 | true | true |
| do_truncate | dentry | d_inode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L63 | true | true |
| do_truncate | dentry | d_inode | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L66 | true | true |
| do_truncate | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L50 | false | false |
| do_truncate | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L53 | true | true |
| do_truncate | iattr | ia_valid | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L61 | true | true |
| do_truncate | iattr | ia_file | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L52 | false | false |
| do_truncate | iattr | ia_size | https://elixir.bootlin.com/linux/v6.14.7/source/fs/open.c#L49 | false | false |
| current_time | timespec64 | tv_nsec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2313 | true | true |
| current_time | inode | i_ctime_nsec | https://elixir.bootlin.com/linux/v6.14.7/source/fs/inode.c#L2307 | false | false |
| inode_unlock | inode | i_rwsem | https://elixir.bootlin.com/linux/v6.14.7/source/include/linux/fs.h#L882 | false | false |