Re: unlink(nonexistent): EROFS or ENOENT?

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On Mon, Jun 06, 2011 at 09:13:23PM +0400, Michael Tokarev wrote:
> Thank you for the answer.  I thought noone will reply... ;)
> 
> >> Just noticed that at least on ext4, unlinking a
> >> non-existing file from a read-only filesystem
> >> results in EROFS instead of ENOENT.  I'd expect
> >> it return ENOENT - it is more logical, at least
> >> in my opinion.

>   /* The unlinkat from kernels like linux-2.6.32 reports EROFS even for
>      nonexistent files.  When the file is indeed missing, map that to ENOENT,
>      so that rm -f ignores it, as required.  Even without -f, this is useful
>      because it makes rm print the more precise diagnostic.  */

OK, I see what's going on.  This check is in the VFS layer, so it
affects all filesystems; it's not an ext4-specific thing.

Patch coming shortly.

	    		      	     		   - Ted
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