aboutsummaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
authorAnton Altaparmakov <anton@tuxera.com>2014-10-16 12:28:03 +0100
committerAnton Altaparmakov <anton@tuxera.com>2014-10-16 12:28:03 +0100
commitce1bafa094a5ef3aaa8afa08727b1e970e9d4711 (patch)
tree5cbfe2a8a3950c7f9eebb05447bfcd6d763edd92 /fs
parent0429fbc0bdc297d64188483ba029a23773ae07b0 (diff)
NTFS: Split ntfs_aops into ntfs_normal_aops and ntfs_compressed_aops
in preparation for them diverging. Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ntfs/aops.c39
-rw-r--r--fs/ntfs/inode.c19
-rw-r--r--fs/ntfs/ntfs.h8
3 files changed, 42 insertions, 24 deletions
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index d267ea6aa1a0..6f0f98176b10 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -1,8 +1,7 @@
/**
* aops.c - NTFS kernel address space operations and page cache handling.
- * Part of the Linux-NTFS project.
*
- * Copyright (c) 2001-2007 Anton Altaparmakov
+ * Copyright (c) 2001-2014 Anton Altaparmakov and Tuxera Inc.
* Copyright (c) 2002 Richard Russon
*
* This program/include file is free software; you can redistribute it and/or
@@ -1539,16 +1538,33 @@ err_out:
#endif /* NTFS_RW */
/**
- * ntfs_aops - general address space operations for inodes and attributes
+ * ntfs_normal_aops - address space operations for normal inodes and attributes
+ *
+ * Note these are not used for compressed or mst protected inodes and
+ * attributes.
*/
-const struct address_space_operations ntfs_aops = {
- .readpage = ntfs_readpage, /* Fill page with data. */
+const struct address_space_operations ntfs_normal_aops = {
+ .readpage = ntfs_readpage,
#ifdef NTFS_RW
- .writepage = ntfs_writepage, /* Write dirty page to disk. */
+ .writepage = ntfs_writepage,
+ .set_page_dirty = __set_page_dirty_buffers,
+#endif /* NTFS_RW */
+ .migratepage = buffer_migrate_page,
+ .is_partially_uptodate = block_is_partially_uptodate,
+ .error_remove_page = generic_error_remove_page,
+};
+
+/**
+ * ntfs_compressed_aops - address space operations for compressed inodes
+ */
+const struct address_space_operations ntfs_compressed_aops = {
+ .readpage = ntfs_readpage,
+#ifdef NTFS_RW
+ .writepage = ntfs_writepage,
+ .set_page_dirty = __set_page_dirty_buffers,
#endif /* NTFS_RW */
- .migratepage = buffer_migrate_page, /* Move a page cache page from
- one physical page to an
- other. */
+ .migratepage = buffer_migrate_page,
+ .is_partially_uptodate = block_is_partially_uptodate,
.error_remove_page = generic_error_remove_page,
};
@@ -1564,9 +1580,8 @@ const struct address_space_operations ntfs_mst_aops = {
without touching the buffers
belonging to the page. */
#endif /* NTFS_RW */
- .migratepage = buffer_migrate_page, /* Move a page cache page from
- one physical page to an
- other. */
+ .migratepage = buffer_migrate_page,
+ .is_partially_uptodate = block_is_partially_uptodate,
.error_remove_page = generic_error_remove_page,
};
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index f47af5e6e230..898b9949d363 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -1,7 +1,7 @@
/**
- * inode.c - NTFS kernel inode handling. Part of the Linux-NTFS project.
+ * inode.c - NTFS kernel inode handling.
*
- * Copyright (c) 2001-2007 Anton Altaparmakov
+ * Copyright (c) 2001-2014 Anton Altaparmakov and Tuxera Inc.
*
* This program/include file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
@@ -1012,6 +1012,7 @@ skip_large_dir_stuff:
/* Setup the operations for this inode. */
vi->i_op = &ntfs_dir_inode_ops;
vi->i_fop = &ntfs_dir_ops;
+ vi->i_mapping->a_ops = &ntfs_mst_aops;
} else {
/* It is a file. */
ntfs_attr_reinit_search_ctx(ctx);
@@ -1160,11 +1161,12 @@ no_data_attr_special_case:
/* Setup the operations for this inode. */
vi->i_op = &ntfs_file_inode_ops;
vi->i_fop = &ntfs_file_ops;
+ vi->i_mapping->a_ops = &ntfs_normal_aops;
+ if (NInoMstProtected(ni))
+ vi->i_mapping->a_ops = &ntfs_mst_aops;
+ else if (NInoCompressed(ni))
+ vi->i_mapping->a_ops = &ntfs_compressed_aops;
}
- if (NInoMstProtected(ni))
- vi->i_mapping->a_ops = &ntfs_mst_aops;
- else
- vi->i_mapping->a_ops = &ntfs_aops;
/*
* The number of 512-byte blocks used on disk (for stat). This is in so
* far inaccurate as it doesn't account for any named streams or other
@@ -1414,10 +1416,11 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi)
ni->allocated_size = sle64_to_cpu(
a->data.non_resident.allocated_size);
}
+ vi->i_mapping->a_ops = &ntfs_normal_aops;
if (NInoMstProtected(ni))
vi->i_mapping->a_ops = &ntfs_mst_aops;
- else
- vi->i_mapping->a_ops = &ntfs_aops;
+ else if (NInoCompressed(ni))
+ vi->i_mapping->a_ops = &ntfs_compressed_aops;
if ((NInoCompressed(ni) || NInoSparse(ni)) && ni->type != AT_INDEX_ROOT)
vi->i_blocks = ni->itype.compressed.size >> 9;
else
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index d6a340bf80fc..c581e26a350d 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -1,8 +1,7 @@
/*
- * ntfs.h - Defines for NTFS Linux kernel driver. Part of the Linux-NTFS
- * project.
+ * ntfs.h - Defines for NTFS Linux kernel driver.
*
- * Copyright (c) 2001-2005 Anton Altaparmakov
+ * Copyright (c) 2001-2014 Anton Altaparmakov and Tuxera Inc.
* Copyright (C) 2002 Richard Russon
*
* This program/include file is free software; you can redistribute it and/or
@@ -57,7 +56,8 @@ extern struct kmem_cache *ntfs_attr_ctx_cache;
extern struct kmem_cache *ntfs_index_ctx_cache;
/* The various operations structs defined throughout the driver files. */
-extern const struct address_space_operations ntfs_aops;
+extern const struct address_space_operations ntfs_normal_aops;
+extern const struct address_space_operations ntfs_compressed_aops;
extern const struct address_space_operations ntfs_mst_aops;
extern const struct file_operations ntfs_file_ops;

Privacy Policy