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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-24 02:29:04 +0100 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-04-01 19:45:33 +0200 |
| commit | 704528d895dd3e7b173e672116b4eb2b0a0fceb0 (patch) | |
| tree | 2fd71b29ddd4e61c18b5114f94bd5433bbbda00d /Documentation/filesystems/locking.rst | |
| parent | readahead: Remove read_cache_pages() (diff) | |
| download | linux-704528d895dd3e7b173e672116b4eb2b0a0fceb0.tar.xz linux-704528d895dd3e7b173e672116b4eb2b0a0fceb0.zip | |
fs: Remove ->readpages address space operation
All filesystems have now been converted to use ->readahead, so
remove the ->readpages operation and fix all the comments that
used to refer to it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'Documentation/filesystems/locking.rst')
| -rw-r--r-- | Documentation/filesystems/locking.rst | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst index 2998cec9af4b..c26d854275a0 100644 --- a/Documentation/filesystems/locking.rst +++ b/Documentation/filesystems/locking.rst @@ -241,8 +241,6 @@ prototypes:: int (*writepages)(struct address_space *, struct writeback_control *); bool (*dirty_folio)(struct address_space *, struct folio *folio); void (*readahead)(struct readahead_control *); - int (*readpages)(struct file *filp, struct address_space *mapping, - struct list_head *pages, unsigned nr_pages); int (*write_begin)(struct file *, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata); @@ -274,7 +272,6 @@ readpage: yes, unlocks shared writepages: dirty_folio maybe readahead: yes, unlocks shared -readpages: no shared write_begin: locks the page exclusive write_end: yes, unlocks exclusive bmap: @@ -300,9 +297,6 @@ completion. ->readahead() unlocks the pages that I/O is attempted on like ->readpage(). -->readpages() populates the pagecache with the passed pages and starts -I/O against them. They come unlocked upon I/O completion. - ->writepage() is used for two purposes: for "memory cleansing" and for "sync". These are quite different operations and the behaviour may differ depending upon the mode. |