exfat: add support ioctl and FITRIM function
Add FITRIM ioctl to enable discarding unused blocks while mounted. As current exFAT doesn't have generic ioctl handler, add empty ioctl function first, and add FITRIM handler. Signed-off-by:Hyeongseok Kim <hyeongseok@gmail.com> Reviewed-by:
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Acked-by:
Sungjong Seo <sj1557.seo@samsung.com> Signed-off-by:
Namjae Jeon <namjae.jeon@samsung.com>
parent
5c2d7285
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