From: Shawn O. Pearce Date: Wed, 24 Sep 2008 15:16:53 GMT Subject: Re: [PATCH] add GIT_FAST_STAT mode for Cygwin Message-ID: <20080924151653.GQ3669@spearce.org> In-Reply-To: <81b0412b0809240809y4daa990cl5494d7b7398353f0@mail.gmail.com> Alex Riesen wrote: > 2008/9/24 Shawn O. Pearce : > > > > However Dmitry pointed out that he has cases where this faster > > function doesn't work correctly, and it was path specific. Some > > areas of the filesystem work, others don't, on the same system. > > Huh?! What are they? What paths require cygwin's handling > which aren't handled already? (the absolute paths are handled). Cygwin lets you mount a filesystem at a different part of the filesystem. Sort of like Linux's mount -t bind (IIRC). For example its possible to remap C:\foo\bar\widget\srcs into C:\cygwin\home\lib, so you see the files under /home/lib in Cygwin, even though that folder is empty (or flat out doesn't exist) in Windows. That filesystem remount stuff is part of the reason why the Cygwin stat/lstat routines are so much slower than the native Windows ones. They have to evaluate the path space twice (once in Cygwin, again in the Windows kernel). -- Shawn.