Commit 22ba5e99 authored by Gao Xiang's avatar Gao Xiang
Browse files

erofs: fix ztailpacking on > 4GiB filesystems 

z_idataoff here is an absolute physical offset, so it should use
erofs_off_t (64 bits at least). Otherwise, it'll get trimmed and
cause the decompresion failure.

Link: https://lore.kernel.org/r/20220222033118.20540-1-hsiangkao@linux.alibaba.com


Fixes: ab92184f ("erofs: add on-disk compressed tail-packing inline support")
Reviewed-by: default avatarYue Hu <huyue2@yulong.com>
Reviewed-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarGao Xiang <hsiangkao@linux.alibaba.com>
parent cfb92440

fs/erofs/internal.h

+1 −1
Original line number Diff line number Diff line
@@ -325,7 +325,7 @@ struct erofs_inode { 
			unsigned char  z_algorithmtype[2];

			unsigned char  z_logical_clusterbits;

			unsigned long  z_tailextent_headlcn;

			unsigned int   z_idataoff;

			erofs_off_t    z_idataoff;

			unsigned short z_idata_size;

		};

#endif	/* CONFIG_EROFS_FS_ZIP */