Namjae Jeon <linkinjeon@xxxxxxxxx> writes: > FAT also notify warning message about discard support > as ext4(http://patchwork.ozlabs.org/patch/192668/) Acked-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx> > Signed-off-by: Amit Sahrawat <amit.sahrawat83@xxxxxxxxx> > --- > fs/fat/inode.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/fs/fat/inode.c b/fs/fat/inode.c > index 8d79657..3b48bab 100644 > --- a/fs/fat/inode.c > +++ b/fs/fat/inode.c > @@ -26,6 +26,7 @@ > #include <linux/writeback.h> > #include <linux/log2.h> > #include <linux/hash.h> > +#include <linux/blkdev.h> > #include <asm/unaligned.h> > #include "fat.h" > > @@ -1446,6 +1447,14 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, > goto out_fail; > } > > + if (sbi->options.discard) { > + struct request_queue *q = bdev_get_queue(sb->s_bdev); > + if (!blk_queue_discard(q)) > + fat_msg(sb, KERN_WARNING, > + "mounting with \"discard\" option, but " > + "the device does not support discard"); > + } > + > return 0; > > out_invalid: -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
