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| author | Dave Airlie <airlied@redhat.com> | 2015-04-20 04:32:26 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 06:05:20 +0300 |
| commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
| tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /Documentation/filesystems/porting | |
| parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
| parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
| download | linux-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.xz | |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'Documentation/filesystems/porting')
| -rw-r--r-- | Documentation/filesystems/porting | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index fa2db081505e..e69274de8d0c 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -471,3 +471,15 @@ in your dentry operations instead. [mandatory] f_dentry is gone; use f_path.dentry, or, better yet, see if you can avoid it entirely. +-- +[mandatory] + never call ->read() and ->write() directly; use __vfs_{read,write} or + wrappers; instead of checking for ->write or ->read being NULL, look for + FMODE_CAN_{WRITE,READ} in file->f_mode. +-- +[mandatory] + do _not_ use new_sync_{read,write} for ->read/->write; leave it NULL + instead. +-- +[mandatory] + ->aio_read/->aio_write are gone. Use ->read_iter/->write_iter. |