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由 Linus Torvalds 提交于
With the new-and-improved write_in_full() semantics, where a partial write simply always returns a real error (and always sets 'errno' when that happens, including for the disk full case), a lot of the callers of write_in_full() were just unnecessarily complex. In particular, there's no reason to ever check for a zero length or return: if the length was zero, we'll return zero, otherwise, if a disk full resulted in the actual write() system call returning zero the write_in_full() logic would have correctly turned that into a negative return value, with 'errno' set to ENOSPC. I really wish every "write_in_full()" user would just check against "<0" now, but this fixes the nasty and stupid ones. Signed-off-by: NLinus Torvalds <torvalds@osdl.org> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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