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authorAnton Altaparmakov <aia21@cantab.net>2006-02-24 10:32:33 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-02-24 10:32:33 +0000
commit78af34f03d33d2ba179c9d35685860170b94a285 (patch)
treedc41d99f07193a581e7dd3734671c3854aa185eb /fs/ntfs/aops.c
parent7b875affd49fbc8978a1a898a0a80ebfff11f8c6 (diff)
downloadlinux-linaro-78af34f03d33d2ba179c9d35685860170b94a285.tar.gz
NTFS: Implement support for sector sizes above 512 bytes (up to the maximum
supported by NTFS which is 4096 bytes).
Diffstat (limited to 'fs/ntfs/aops.c')
-rw-r--r--fs/ntfs/aops.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index 1c0a4315876..7e361da770b 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -2,7 +2,7 @@
* aops.c - NTFS kernel address space operations and page cache handling.
* Part of the Linux-NTFS project.
*
- * Copyright (c) 2001-2005 Anton Altaparmakov
+ * Copyright (c) 2001-2006 Anton Altaparmakov
* Copyright (c) 2002 Richard Russon
*
* This program/include file is free software; you can redistribute it and/or
@@ -200,8 +200,8 @@ static int ntfs_read_block(struct page *page)
/* $MFT/$DATA must have its complete runlist in memory at all times. */
BUG_ON(!ni->runlist.rl && !ni->mft_no && !NInoAttr(ni));
- blocksize_bits = VFS_I(ni)->i_blkbits;
- blocksize = 1 << blocksize_bits;
+ blocksize = vol->sb->s_blocksize;
+ blocksize_bits = vol->sb->s_blocksize_bits;
if (!page_has_buffers(page)) {
create_empty_buffers(page, blocksize, 0);
@@ -569,10 +569,8 @@ static int ntfs_write_block(struct page *page, struct writeback_control *wbc)
BUG_ON(!NInoNonResident(ni));
BUG_ON(NInoMstProtected(ni));
-
- blocksize_bits = vi->i_blkbits;
- blocksize = 1 << blocksize_bits;
-
+ blocksize = vol->sb->s_blocksize;
+ blocksize_bits = vol->sb->s_blocksize_bits;
if (!page_has_buffers(page)) {
BUG_ON(!PageUptodate(page));
create_empty_buffers(page, blocksize,
@@ -949,8 +947,8 @@ static int ntfs_write_mst_block(struct page *page,
*/
BUG_ON(!(is_mft || S_ISDIR(vi->i_mode) ||
(NInoAttr(ni) && ni->type == AT_INDEX_ALLOCATION)));
- bh_size_bits = vi->i_blkbits;
- bh_size = 1 << bh_size_bits;
+ bh_size = vol->sb->s_blocksize;
+ bh_size_bits = vol->sb->s_blocksize_bits;
max_bhs = PAGE_CACHE_SIZE / bh_size;
BUG_ON(!max_bhs);
BUG_ON(max_bhs > MAX_BUF_PER_PAGE);
@@ -1596,7 +1594,7 @@ void mark_ntfs_record_dirty(struct page *page, const unsigned int ofs) {
BUG_ON(!PageUptodate(page));
end = ofs + ni->itype.index.block_size;
- bh_size = 1 << VFS_I(ni)->i_blkbits;
+ bh_size = VFS_I(ni)->i_sb->s_blocksize;
spin_lock(&mapping->private_lock);
if (unlikely(!page_has_buffers(page))) {
spin_unlock(&mapping->private_lock);