Linux Kernel Architecture
Chapter 8: The Virtual Filesystem Awhileloop caters to the fact that several filesystemscan be mounted one after the other where ...
Chapter 8: The Virtual Filesystem link_countprevents recursive loops, andtotal_link_countlimits the maximum number of links in a ...
Chapter 8: The Virtual Filesystem fd_install sys_open force_o_largefile do_sys_open get_unused_fd_flags do_flip_open open_namei ...
Chapter 8: The Virtual Filesystem the file-specific read routinefile->f_op->reador — if it doesn’t exist — the generic hel ...
Chapter 8: The Virtual Filesystem Most filesystems include thedo_sync_read^24 anddo_sync_writestandard routines in thereadand wr ...
Chapter 8: The Virtual Filesystem The-EIOCBQUEUEDreturn value indicates that the read request was queued and not yet processed. ...
Chapter 8: The Virtual Filesystem this is different from the synchronous readahead operation started before: Now the kernel does ...
Chapter 8: The Virtual Filesystem mark_page_accessed no_cached_page page_cache_alloc_cold add_to_page_cache_lru mapping->a_op ...
Chapter 8: The Virtual Filesystem Independent of the expected read pattern, thefind_get_pagefunction checks whether the page is ...
Chapter 8: The Virtual Filesystem page = find_lock_page(mapping, vmf->pgoff); if (!page) goto no_cached_page; } max_sane_read ...
Chapter 8: The Virtual Filesystem retval = generic_permission(inode, submask, NULL); if (retval) return retval; return security_ ...
Chapter 8: The Virtual Filesystem successful, the mode value needs to be shifted by three places such that the mode bits for ‘‘g ...
Chapter 8: The Virtual Filesystem The other capability that comes into play isCAP_DAC_READ_SEARCH, which grants the process the ...
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The Extended Filesystem Family The structure and layout of the interfaces and data structures of the Virtual Filesystem discusse ...
Chapter 9: The Extended Filesystem Family Chapter 9: The Extended Filesystem Family................................. helpful to ...
Chapter 9: The Extended Filesystem Family not supported by the Minix filesystem — for example, the length of filenames was still ...
Chapter 9: The Extended Filesystem Family are usually two versions of a data structure — one for persistent storage on disk, the ...
Chapter 9: The Extended Filesystem Family Group descriptors Data Structures bitmap Inode bitmap Inode tables Super block Data bl ...
Chapter 9: The Extended Filesystem Family What is the purpose of the individual structures in the block groups? Before answering ...
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