Re: non-linux support

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Karel Zak, le Tue 22 Apr 2008 13:22:32 +0200, a écrit :
> On Tue, Apr 22, 2008 at 02:12:45AM +0100, Samuel Thibault wrote:
> >  
> > +#ifdef __linux__
> >  static ssize_t
> >  read_lastoddsector(int fd, uint64_t lba, void *buffer, size_t count)
> >  {
> > @@ -148,6 +149,7 @@ read_lastoddsector(int fd, uint64_t lba, void *buffer, size_t count)
> >  
> >          return !rc;
> >  }
> > +#endif
> >  
> >  static ssize_t
> >  read_lba(int fd, uint64_t lba, void *buffer, size_t bytes)
> > @@ -159,6 +161,7 @@ read_lba(int fd, uint64_t lba, void *buffer, size_t bytes)
> >  	lseek(fd, offset, SEEK_SET);
> >  	bytesread = read(fd, buffer, bytes);
> >  
> > +#ifdef __linux__
> >          /* Kludge.  This is necessary to read/write the last
> >             block of an odd-sized disk, until Linux 2.5.x kernel fixes.
> >             This is only used by gpt.c, and only to read
> > @@ -166,6 +169,7 @@ read_lba(int fd, uint64_t lba, void *buffer, size_t bytes)
> >          */
> >          if (!bytesread && !(last_lba(fd) & 1) && lba == last_lba(fd))
> >                  bytesread = read_lastoddsector(fd, lba, buffer, bytes);
> > +#endif
> >          return bytesread;
> >  }
> 
>  Can't we use #ifdef BLKGETLASTSECT rather than __linux__?

We can indeed.

Samuel
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