Peng Tao wrote: Current block layout driver read/write code assumes page aligned IO in many places. Add a checker to validate the assumption.
This patch has some problems when compiled for 64 bit. CC [M] fs/nfs/blocklayout/blocklayout.o /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c: In function ‘bl_read_pagelist’: /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c:255:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c: In function ‘bl_write_pagelist’: /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c:578:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c: In function ‘bl_pg_init_read’: /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c:1017:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c: In function ‘bl_pg_init_write’: /home/rees/src/pnfs/linux/fs/nfs/blocklayout/blocklayout.c:1026:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
