| commit | fe683adabfe6629c0b6db32bbbc1ce6cacbf2117 | [log] [tgz] |
|---|---|---|
| author | Dan Williams <dan.j.williams@intel.com> | Fri Jan 15 16:55:56 2016 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Fri Jan 15 17:56:32 2016 -0800 |
| tree | 16798d03701b19665bcfcdfdf7796c4b52641242 | |
| parent | 0e749e54244eec87b2a3cd0a4314e60bc6781115 [diff] |
dax: guarantee page aligned results from bdev_direct_access() If a ->direct_access() implementation ever returns a map count less than PAGE_SIZE, catch the error in bdev_direct_access(). This simplifies error checking in upper layers. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>