[PATCH] inode-diet: Eliminate i_blksize from the inode structure

This eliminates the i_blksize field from struct inode.  Filesystems that want
to provide a per-inode st_blksize can do so by providing their own getattr
routine instead of using the generic_fillattr() function.

Note that some filesystems were providing pretty much random (and incorrect)
values for i_blksize.

[bunk@stusta.de: cleanup]
[akpm@osdl.org: generic_fillattr() fix]
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 192e69b..8f74dfb 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -512,7 +512,6 @@
 	struct timespec		i_mtime;
 	struct timespec		i_ctime;
 	unsigned int		i_blkbits;
-	unsigned long		i_blksize;
 	unsigned long		i_version;
 	blkcnt_t		i_blocks;
 	unsigned short          i_bytes;
diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h
index f9edcd2..31a3cb6 100644
--- a/include/linux/nfsd/nfsfh.h
+++ b/include/linux/nfsd/nfsfh.h
@@ -269,14 +269,8 @@
 	fhp->fh_post_uid	= inode->i_uid;
 	fhp->fh_post_gid	= inode->i_gid;
 	fhp->fh_post_size       = inode->i_size;
-	if (inode->i_blksize) {
-		fhp->fh_post_blksize    = inode->i_blksize;
-		fhp->fh_post_blocks     = inode->i_blocks;
-	} else {
-		fhp->fh_post_blksize    = BLOCK_SIZE;
-		/* how much do we care for accuracy with MinixFS? */
-		fhp->fh_post_blocks     = (inode->i_size+511) >> 9;
-	}
+	fhp->fh_post_blksize    = BLOCK_SIZE;
+	fhp->fh_post_blocks     = inode->i_blocks;
 	fhp->fh_post_rdev[0]    = htonl((u32)imajor(inode));
 	fhp->fh_post_rdev[1]    = htonl((u32)iminor(inode));
 	fhp->fh_post_atime      = inode->i_atime;
diff --git a/include/linux/smb.h b/include/linux/smb.h
index 6df3b15..f098dff 100644
--- a/include/linux/smb.h
+++ b/include/linux/smb.h
@@ -89,7 +89,6 @@
 	struct timespec	f_atime;
 	struct timespec f_mtime;
 	struct timespec f_ctime;
-	unsigned long	f_blksize;
 	unsigned long	f_blocks;
 	int		f_unix;
 };