[U-Boot] [U-Boot, 5/5] fs/fat/fat_write: Fix management of empty files

[Tom Rini]

On Mon, Sep 28, 2015 at 03:45:32PM +0200, Benoît Thébaudeau wrote:

> Overwriting an empty file not created by U-Boot did not work, and it
> could even corrupt the FAT. Moreover, creating empty files or emptying
> existing files allocated a cluster, which is not standard.
> 
> Fix this by always keeping empty files clusterless as specified by
> Microsoft (the start cluster must be set to 0 in the directory entry in
> that case), and by supporting overwriting such files.
> 
> Signed-off-by: Benoît Thébaudeau <benoit at wsystem.com>

Applied to u-boot/master, thanks!

-- 
Tom
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