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[XFS] Introduce two new mount options (nolargeio/largeio) to allow

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filesystems to expose the filesystem stripe width in stat(2) rather than
the page cache size. This allows applications requiring high bandwidth to
easily determine the optimum I/O size for the underlying filesystem. The
default is to report the page cache size (i.e. "nolargeio").

SGI-PV: 942818
SGI-Modid: xfs-linux:xfs-kern:23830a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
David Chinner
2005-11-02 10:33:05 +11:00
committed by Nathan Scott
parent ee34807a65
commit e8c8b3a79d
6 changed files with 43 additions and 35 deletions
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fs/xfs/linux-2.6/xfs_vnode.c
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@@ -124,6 +124,7 @@ vn_revalidate_core(
inode->i_mtime = vap->va_mtime;
inode->i_ctime = vap->va_ctime;
inode->i_atime = vap->va_atime;
inode->i_blksize = vap->va_blocksize;
if (vap->va_xflags & XFS_XFLAG_IMMUTABLE)
inode->i_flags |= S_IMMUTABLE;
else