[RFC][PATCH 2/4][cr]: Define __f_setown_uid()

Sukadev Bhattiprolu sukadev at linux.vnet.ibm.com
Wed May 12 10:05:10 PDT 2010


Matthew Wilcox [matthew at wil.cx] wrote:
| On Tue, May 11, 2010 at 03:38:18PM -0700, Sukadev Bhattiprolu wrote:
| > __f_setown_uid() is same as __f_setown(), except that instead of assuming the
| > uid and euid of current process, it expects them to be passed in as parameters.
| > 
| > This interface will be useful when checkpointing and restarting an application
| > that has a 'file owner' specified for any of the application's open files.
| > The uid, euid of the process setting up the owner is saved in the checkpoint
| > image. When the application is restarted, the save uid and euid values are
| > restored.
| 
| There are only four callers of __f_setown in the kernel.  I'd rather see
| __f_setown converted to take the arguments directly.

Ok.

Sukadev


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