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Commit fa4f895f authored by Namjae Jeon's avatar Namjae Jeon
Browse files

exfat: fix write failure on kernels prior to 4.8. 



rw flags agrument in write_dirty_buffer() and __sync_dirty_buffer() was
changed since linux 4.8 kernels.

Reported-by: default avatarkuehnelth <kuehnelth@gmail.com>
Signed-off-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
parent 2363111b

misc.c

+4 −0
Original line number Diff line number Diff line
@@ -224,7 +224,11 @@ int exfat_update_bhs(struct buffer_head **bhs, int nr_bhs, int sync) 
		set_buffer_uptodate(bhs[i]);

		mark_buffer_dirty(bhs[i]);

		if (sync)

#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)

			write_dirty_buffer(bhs[i], REQ_SYNC);

#else

			write_dirty_buffer(bhs[i], WRITE_SYNC);

#endif

	}



	for (i = 0; i < nr_bhs && sync; i++) {

super.c

+1 −1
Original line number Diff line number Diff line
@@ -141,7 +141,7 @@ static int exfat_set_vol_flags(struct super_block *sb, unsigned short new_flags) 
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)

	__sync_dirty_buffer(sbi->boot_bh, REQ_SYNC | REQ_FUA | REQ_PREFLUSH);

#else

	__sync_dirty_buffer(sbi->boot_bh, REQ_SYNC | REQ_FUA | REQ_FLUSH);

	__sync_dirty_buffer(sbi->boot_bh, WRITE_FLUSH_FUA);

#endif



	return 0;