document dirperm1 fix for #783 in known issues

Since `dirperm1` requires a more recent aufs patch than many current OS release,
we cant remove #783 completely. This documents that docker will apply `dirperm1`
automatically for systems that support it

Signed-off-by: Daniel, Dao Quang Minh <dqminh89@gmail.com>
This commit is contained in:
Daniel, Dao Quang Minh 2015-03-26 07:46:13 +00:00 committed by Tibor Vass
parent 7ac28ecb2c
commit 729035faff
1 changed files with 8 additions and 2 deletions

View File

@ -280,8 +280,14 @@ The cache for `RUN` instructions can be invalidated by `ADD` instructions. See
- [Issue 783](https://github.com/docker/docker/issues/783) is about file - [Issue 783](https://github.com/docker/docker/issues/783) is about file
permissions problems that can occur when using the AUFS file system. You permissions problems that can occur when using the AUFS file system. You
might notice it during an attempt to `rm` a file, for example. The issue might notice it during an attempt to `rm` a file, for example.
describes a workaround.
For systems that have recent aufs version (i.e., `dirperm1` mount option can
be set), docker will attempt to fix the issue automatically by mounting
the layers with `dirperm1` option. More details on `dirperm1` option can be
found at [`aufs` man page](http://aufs.sourceforge.net/aufs3/man.html)
If your system doesnt have support for `dirperm1`, the issue describes a workaround.
## CMD ## CMD