diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2016-01-15 16:55:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-15 17:56:32 -0800 |
| commit | fe683adabfe6629c0b6db32bbbc1ce6cacbf2117 (patch) | |
| tree | 16798d03701b19665bcfcdfdf7796c4b52641242 /fs/debugfs | |
| 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>
Diffstat (limited to 'fs/debugfs')
0 files changed, 0 insertions, 0 deletions