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| author | Nick Piggin <npiggin@suse.de> | 2008-10-29 14:00:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-30 11:38:45 -0700 |
| commit | 4e02ed4b4a2fae34aae766a5bb93ae235f60adb8 (patch) | |
| tree | bddfb61b7cc4a4007ae176ccb1ace5740b61da8d /Documentation/filesystems/Locking | |
| parent | 9b913735e53ab0da4a792bac0de8e178cc13dcfb (diff) | |
| download | lwn-4e02ed4b4a2fae34aae766a5bb93ae235f60adb8.tar.gz lwn-4e02ed4b4a2fae34aae766a5bb93ae235f60adb8.zip | |
fs: remove prepare_write/commit_write
Nothing uses prepare_write or commit_write. Remove them from the tree
completely.
[akpm@linux-foundation.org: schedule simple_prepare_write() for unexporting]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/filesystems/Locking')
| -rw-r--r-- | Documentation/filesystems/Locking | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 8362860e21a7..23d2f4460deb 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -161,8 +161,12 @@ prototypes: int (*set_page_dirty)(struct page *page); int (*readpages)(struct file *filp, struct address_space *mapping, struct list_head *pages, unsigned nr_pages); - int (*prepare_write)(struct file *, struct page *, unsigned, unsigned); - int (*commit_write)(struct file *, struct page *, unsigned, unsigned); + int (*write_begin)(struct file *, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); + int (*write_end)(struct file *, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata); sector_t (*bmap)(struct address_space *, sector_t); int (*invalidatepage) (struct page *, unsigned long); int (*releasepage) (struct page *, int); @@ -180,8 +184,6 @@ sync_page: no maybe writepages: no set_page_dirty no no readpages: no -prepare_write: no yes yes -commit_write: no yes yes write_begin: no locks the page yes write_end: no yes, unlocks yes perform_write: no n/a yes @@ -191,7 +193,7 @@ releasepage: no yes direct_IO: no launder_page: no yes - ->prepare_write(), ->commit_write(), ->sync_page() and ->readpage() + ->write_begin(), ->write_end(), ->sync_page() and ->readpage() may be called from the request handler (/dev/loop). ->readpage() unlocks the page, either synchronously or via I/O |