Linus Torvalds <[EMAIL PROTECTED]> writes: > Btw, this should probably check for negative 32-bit values too, ie the > test should probably be > > if ((int)atomic_read(v) <= 0) > > and it should probably be done for the regular atomic_dec() etc cases too, > not just the dec-and-test. "atomic" values simply aren't historically > well-defined for negative values (sparc used to limit them to 24 bits), so > a negative thing would always be a bug, I think.
However, inode->i_writecount and some stuffs seems to be already using the negative values (or sparc was used the signed 24 bits value). Anyway, unfortunately inode->i_writecount triggered in atomic_dec(). Thanks. -- OGAWA Hirofumi <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
