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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-26 10:50:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-26 10:50:56 -0700 |
| commit | f8d613e2a665bf1be9628a3c3f9bafe7599b32c0 (patch) | |
| tree | 98d4da8d0e1a5fb1d9064626b4b96d95ccf26375 /fs/mpage.c | |
| parent | 8a0599dd2471f2a2e409498c08a0ab339057ad06 (diff) | |
| parent | 5bc20fc59706214d9591c11e1938a629d3538c12 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem:
xen: cleancache shim to Xen Transcendent Memory
ocfs2: add cleancache support
ext4: add cleancache support
btrfs: add cleancache support
ext3: add cleancache support
mm/fs: add hooks to support cleancache
mm: cleancache core ops functions and config
fs: add field to superblock to support cleancache
mm/fs: cleancache documentation
Fix up trivial conflict in fs/btrfs/extent_io.c due to includes
Diffstat (limited to 'fs/mpage.c')
| -rw-r--r-- | fs/mpage.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/mpage.c b/fs/mpage.c index 0afc809e46e0..fdfae9fa98cd 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -27,6 +27,7 @@ #include <linux/writeback.h> #include <linux/backing-dev.h> #include <linux/pagevec.h> +#include <linux/cleancache.h> /* * I/O completion handler for multipage BIOs. @@ -271,6 +272,12 @@ do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages, SetPageMappedToDisk(page); } + if (fully_mapped && blocks_per_page == 1 && !PageUptodate(page) && + cleancache_get_page(page) == 0) { + SetPageUptodate(page); + goto confused; + } + /* * This page will go to BIO. Do we need to send this BIO off first? */ |