[Bug 401] New: swidth value not returned in stat() call as per documentation

[bugzilla-daemon@xxxxxxxxxxx]

http://oss.sgi.com/bugzilla/show_bug.cgi?id=401

           Summary: swidth value not returned in stat() call as per
                    documentation
           Product: Linux XFS
           Version: unspecified
          Platform: IA64
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: Low
         Component: XFS kernel code
        AssignedTo: xfs-master@xxxxxxxxxxx
        ReportedBy: tim.burgess@xxxxxxxxxx


From the mkfs.xfs man page:

> The  stripe  width  will  be  the  preferred iosize returned in the stat(2)
> system call.

However, stat() on XFS filesystems always seems to return st_blksize = 16384 for
me...  I am trying to write an efficient direct i/o file mover for shifting data
to/from our mass storage system, and it would be nice to adapt the I/O sizes to
the characteristics of the relevant (xfs, cxfs or possibly others) filesystem.

Kernel: Suse 2.6.5-7.145-sn2, on Altix
XFS Version Info (from dmesg):  SGI-XFS CVS-2004-10-17_05:00_UTC with ACLs,
security attributes, realtime, large block/inode numbers, dmapi support, no
debug enabled



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