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-rw-r--r--fs/ntfs/aops.c20
-rw-r--r--fs/ntfs/compress.c2
-rw-r--r--fs/ntfs/file.c32
-rw-r--r--fs/ntfs/malloc.h3
4 files changed, 28 insertions, 29 deletions
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index ad87cb01299..00e9ccde8e4 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -87,13 +87,17 @@ static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)
/* Check for the current buffer head overflowing. */
if (unlikely(file_ofs + bh->b_size > init_size)) {
int ofs;
+ void *kaddr;
ofs = 0;
if (file_ofs < init_size)
ofs = init_size - file_ofs;
local_irq_save(flags);
- zero_user_page(page, bh_offset(bh) + ofs,
- bh->b_size - ofs, KM_BIO_SRC_IRQ);
+ kaddr = kmap_atomic(page, KM_BIO_SRC_IRQ);
+ memset(kaddr + bh_offset(bh) + ofs, 0,
+ bh->b_size - ofs);
+ flush_dcache_page(page);
+ kunmap_atomic(kaddr, KM_BIO_SRC_IRQ);
local_irq_restore(flags);
}
} else {
@@ -334,7 +338,7 @@ handle_hole:
bh->b_blocknr = -1UL;
clear_buffer_mapped(bh);
handle_zblock:
- zero_user_page(page, i * blocksize, blocksize, KM_USER0);
+ zero_user(page, i * blocksize, blocksize);
if (likely(!err))
set_buffer_uptodate(bh);
} while (i++, iblock++, (bh = bh->b_this_page) != head);
@@ -410,7 +414,7 @@ retry_readpage:
/* Is the page fully outside i_size? (truncate in progress) */
if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >>
PAGE_CACHE_SHIFT)) {
- zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+ zero_user(page, 0, PAGE_CACHE_SIZE);
ntfs_debug("Read outside i_size - truncated?");
goto done;
}
@@ -459,7 +463,7 @@ retry_readpage:
* ok to ignore the compressed flag here.
*/
if (unlikely(page->index > 0)) {
- zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+ zero_user(page, 0, PAGE_CACHE_SIZE);
goto done;
}
if (!NInoAttr(ni))
@@ -788,8 +792,7 @@ lock_retry_remap:
if (err == -ENOENT || lcn == LCN_ENOENT) {
bh->b_blocknr = -1;
clear_buffer_dirty(bh);
- zero_user_page(page, bh_offset(bh), blocksize,
- KM_USER0);
+ zero_user(page, bh_offset(bh), blocksize);
set_buffer_uptodate(bh);
err = 0;
continue;
@@ -1414,8 +1417,7 @@ retry_writepage:
if (page->index >= (i_size >> PAGE_CACHE_SHIFT)) {
/* The page straddles i_size. */
unsigned int ofs = i_size & ~PAGE_CACHE_MASK;
- zero_user_page(page, ofs, PAGE_CACHE_SIZE - ofs,
- KM_USER0);
+ zero_user_segment(page, ofs, PAGE_CACHE_SIZE);
}
/* Handle mst protected attributes. */
if (NInoMstProtected(ni))
diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c
index d1619d05eb2..33ff314cc50 100644
--- a/fs/ntfs/compress.c
+++ b/fs/ntfs/compress.c
@@ -565,7 +565,7 @@ int ntfs_read_compressed_block(struct page *page)
if (xpage >= max_page) {
kfree(bhs);
kfree(pages);
- zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+ zero_user(page, 0, PAGE_CACHE_SIZE);
ntfs_debug("Compressed read outside i_size - truncated?");
SetPageUptodate(page);
unlock_page(page);
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 6cd08dfdc2e..3c5550cd11d 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -607,8 +607,8 @@ do_next_page:
ntfs_submit_bh_for_read(bh);
*wait_bh++ = bh;
} else {
- zero_user_page(page, bh_offset(bh),
- blocksize, KM_USER0);
+ zero_user(page, bh_offset(bh),
+ blocksize);
set_buffer_uptodate(bh);
}
}
@@ -683,9 +683,8 @@ map_buffer_cached:
ntfs_submit_bh_for_read(bh);
*wait_bh++ = bh;
} else {
- zero_user_page(page,
- bh_offset(bh),
- blocksize, KM_USER0);
+ zero_user(page, bh_offset(bh),
+ blocksize);
set_buffer_uptodate(bh);
}
}
@@ -703,8 +702,8 @@ map_buffer_cached:
*/
if (bh_end <= pos || bh_pos >= end) {
if (!buffer_uptodate(bh)) {
- zero_user_page(page, bh_offset(bh),
- blocksize, KM_USER0);
+ zero_user(page, bh_offset(bh),
+ blocksize);
set_buffer_uptodate(bh);
}
mark_buffer_dirty(bh);
@@ -743,8 +742,7 @@ map_buffer_cached:
if (!buffer_uptodate(bh))
set_buffer_uptodate(bh);
} else if (!buffer_uptodate(bh)) {
- zero_user_page(page, bh_offset(bh), blocksize,
- KM_USER0);
+ zero_user(page, bh_offset(bh), blocksize);
set_buffer_uptodate(bh);
}
continue;
@@ -868,8 +866,8 @@ rl_not_mapped_enoent:
if (!buffer_uptodate(bh))
set_buffer_uptodate(bh);
} else if (!buffer_uptodate(bh)) {
- zero_user_page(page, bh_offset(bh),
- blocksize, KM_USER0);
+ zero_user(page, bh_offset(bh),
+ blocksize);
set_buffer_uptodate(bh);
}
continue;
@@ -1128,8 +1126,8 @@ rl_not_mapped_enoent:
if (likely(bh_pos < initialized_size))
ofs = initialized_size - bh_pos;
- zero_user_page(page, bh_offset(bh) + ofs,
- blocksize - ofs, KM_USER0);
+ zero_user_segment(page, bh_offset(bh) + ofs,
+ blocksize);
}
} else /* if (unlikely(!buffer_uptodate(bh))) */
err = -EIO;
@@ -1269,8 +1267,8 @@ rl_not_mapped_enoent:
if (PageUptodate(page))
set_buffer_uptodate(bh);
else {
- zero_user_page(page, bh_offset(bh),
- blocksize, KM_USER0);
+ zero_user(page, bh_offset(bh),
+ blocksize);
set_buffer_uptodate(bh);
}
}
@@ -1330,7 +1328,7 @@ err_out:
len = PAGE_CACHE_SIZE;
if (len > bytes)
len = bytes;
- zero_user_page(*pages, 0, len, KM_USER0);
+ zero_user(*pages, 0, len);
}
goto out;
}
@@ -1451,7 +1449,7 @@ err_out:
len = PAGE_CACHE_SIZE;
if (len > bytes)
len = bytes;
- zero_user_page(*pages, 0, len, KM_USER0);
+ zero_user(*pages, 0, len);
}
goto out;
}
diff --git a/fs/ntfs/malloc.h b/fs/ntfs/malloc.h
index e38e402e410..cd0be3f5c3c 100644
--- a/fs/ntfs/malloc.h
+++ b/fs/ntfs/malloc.h
@@ -85,8 +85,7 @@ static inline void *ntfs_malloc_nofs_nofail(unsigned long size)
static inline void ntfs_free(void *addr)
{
- if (likely(((unsigned long)addr < VMALLOC_START) ||
- ((unsigned long)addr >= VMALLOC_END ))) {
+ if (!is_vmalloc_addr(addr)) {
kfree(addr);
/* free_page((unsigned long)addr); */
return;