Re: [PATCH] staging: lustre: mdc: use __FMODE_EXEC macro
From: Dan Carpenter
Date: Mon Nov 17 2014 - 17:46:38 EST
On Mon, Nov 17, 2014 at 02:23:48PM -0800, Juston Li wrote:
> FMODE_EXEC is type fmode_t but is used in operations
> with integers which leads to sparse warnings:
> drivers/staging/lustre/lustre/mdc/mdc_lib.c:198:21: warning: restricted fmode_t degrades to integer
> drivers/staging/lustre/lustre/mdc/mdc_locks.c:300:49: warning: restricted fmode_t degrades to integer
> Fix by using __FMODE_EXEC macro defined in fs.h.
> Note the same warnings occurs with other fmode flags
> here but they don't have a corresponding int macro.
When are FMODE_EXEC and __FMODE_EXEC not defined? I think they're
always defined. I don't understand the point of these ifdefs. I guess
maybe they are for compatability with obsolete kernels?
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