The fanotify and the inotify API can be used to monitor changes of the file system. System call ftruncate modifies files. Hence it should trigger the corresponding fanotify (FAN_MODIFY) and inotify (IN_MODIFY) events. Signed-off-by: Heinrich Schuchardt <xypron.glpk@xxxxxx> --- fs/open.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/open.c b/fs/open.c index d6fd3ac..e36f26e 100644 --- a/fs/open.c +++ b/fs/open.c @@ -189,6 +189,8 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) error = security_path_truncate(&f.file->f_path); if (!error) error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, f.file); + if (!error) + fsnotify_modify(f.file); sb_end_write(inode->i_sb); out_putf: fdput(f); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html