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Diffstat (limited to 'fs/ecryptfs/mmap.c')
-rw-r--r--fs/ecryptfs/mmap.c45
1 files changed, 22 insertions, 23 deletions
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index c6ced4cbf..e6b1d8095 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -30,7 +30,6 @@
#include <linux/page-flags.h>
#include <linux/mount.h>
#include <linux/file.h>
-#include <linux/crypto.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <asm/unaligned.h>
@@ -123,7 +122,7 @@ ecryptfs_copy_up_encrypted_with_header(struct page *page,
struct ecryptfs_crypt_stat *crypt_stat)
{
loff_t extent_num_in_page = 0;
- loff_t num_extents_per_page = (PAGE_CACHE_SIZE
+ loff_t num_extents_per_page = (PAGE_SIZE
/ crypt_stat->extent_size);
int rc = 0;
@@ -139,7 +138,7 @@ ecryptfs_copy_up_encrypted_with_header(struct page *page,
char *page_virt;
page_virt = kmap_atomic(page);
- memset(page_virt, 0, PAGE_CACHE_SIZE);
+ memset(page_virt, 0, PAGE_SIZE);
/* TODO: Support more than one header extent */
if (view_extent_num == 0) {
size_t written;
@@ -165,8 +164,8 @@ ecryptfs_copy_up_encrypted_with_header(struct page *page,
- crypt_stat->metadata_size);
rc = ecryptfs_read_lower_page_segment(
- page, (lower_offset >> PAGE_CACHE_SHIFT),
- (lower_offset & ~PAGE_CACHE_MASK),
+ page, (lower_offset >> PAGE_SHIFT),
+ (lower_offset & ~PAGE_MASK),
crypt_stat->extent_size, page->mapping->host);
if (rc) {
printk(KERN_ERR "%s: Error attempting to read "
@@ -199,7 +198,7 @@ static int ecryptfs_readpage(struct file *file, struct page *page)
if (!crypt_stat || !(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
rc = ecryptfs_read_lower_page_segment(page, page->index, 0,
- PAGE_CACHE_SIZE,
+ PAGE_SIZE,
page->mapping->host);
} else if (crypt_stat->flags & ECRYPTFS_VIEW_AS_ENCRYPTED) {
if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR) {
@@ -216,7 +215,7 @@ static int ecryptfs_readpage(struct file *file, struct page *page)
} else {
rc = ecryptfs_read_lower_page_segment(
- page, page->index, 0, PAGE_CACHE_SIZE,
+ page, page->index, 0, PAGE_SIZE,
page->mapping->host);
if (rc) {
printk(KERN_ERR "Error reading page; rc = "
@@ -251,12 +250,12 @@ static int fill_zeros_to_end_of_page(struct page *page, unsigned int to)
struct inode *inode = page->mapping->host;
int end_byte_in_page;
- if ((i_size_read(inode) / PAGE_CACHE_SIZE) != page->index)
+ if ((i_size_read(inode) / PAGE_SIZE) != page->index)
goto out;
- end_byte_in_page = i_size_read(inode) % PAGE_CACHE_SIZE;
+ end_byte_in_page = i_size_read(inode) % PAGE_SIZE;
if (to > end_byte_in_page)
end_byte_in_page = to;
- zero_user_segment(page, end_byte_in_page, PAGE_CACHE_SIZE);
+ zero_user_segment(page, end_byte_in_page, PAGE_SIZE);
out:
return 0;
}
@@ -280,7 +279,7 @@ static int ecryptfs_write_begin(struct file *file,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t index = pos >> PAGE_SHIFT;
struct page *page;
loff_t prev_page_end_size;
int rc = 0;
@@ -290,14 +289,14 @@ static int ecryptfs_write_begin(struct file *file,
return -ENOMEM;
*pagep = page;
- prev_page_end_size = ((loff_t)index << PAGE_CACHE_SHIFT);
+ prev_page_end_size = ((loff_t)index << PAGE_SHIFT);
if (!PageUptodate(page)) {
struct ecryptfs_crypt_stat *crypt_stat =
&ecryptfs_inode_to_private(mapping->host)->crypt_stat;
if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
rc = ecryptfs_read_lower_page_segment(
- page, index, 0, PAGE_CACHE_SIZE, mapping->host);
+ page, index, 0, PAGE_SIZE, mapping->host);
if (rc) {
printk(KERN_ERR "%s: Error attempting to read "
"lower page segment; rc = [%d]\n",
@@ -323,7 +322,7 @@ static int ecryptfs_write_begin(struct file *file,
SetPageUptodate(page);
} else {
rc = ecryptfs_read_lower_page_segment(
- page, index, 0, PAGE_CACHE_SIZE,
+ page, index, 0, PAGE_SIZE,
mapping->host);
if (rc) {
printk(KERN_ERR "%s: Error reading "
@@ -337,9 +336,9 @@ static int ecryptfs_write_begin(struct file *file,
} else {
if (prev_page_end_size
>= i_size_read(page->mapping->host)) {
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
SetPageUptodate(page);
- } else if (len < PAGE_CACHE_SIZE) {
+ } else if (len < PAGE_SIZE) {
rc = ecryptfs_decrypt_page(page);
if (rc) {
printk(KERN_ERR "%s: Error decrypting "
@@ -372,11 +371,11 @@ static int ecryptfs_write_begin(struct file *file,
* of page? Zero it out. */
if ((i_size_read(mapping->host) == prev_page_end_size)
&& (pos != 0))
- zero_user(page, 0, PAGE_CACHE_SIZE);
+ zero_user(page, 0, PAGE_SIZE);
out:
if (unlikely(rc)) {
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
*pagep = NULL;
}
return rc;
@@ -438,7 +437,7 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode)
}
inode_lock(lower_inode);
size = lower_inode->i_op->getxattr(lower_dentry, ECRYPTFS_XATTR_NAME,
- xattr_virt, PAGE_CACHE_SIZE);
+ xattr_virt, PAGE_SIZE);
if (size < 0)
size = 8;
put_unaligned_be64(i_size_read(ecryptfs_inode), xattr_virt);
@@ -480,8 +479,8 @@ static int ecryptfs_write_end(struct file *file,
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
- pgoff_t index = pos >> PAGE_CACHE_SHIFT;
- unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+ pgoff_t index = pos >> PAGE_SHIFT;
+ unsigned from = pos & (PAGE_SIZE - 1);
unsigned to = from + copied;
struct inode *ecryptfs_inode = mapping->host;
struct ecryptfs_crypt_stat *crypt_stat =
@@ -501,7 +500,7 @@ static int ecryptfs_write_end(struct file *file,
goto out;
}
if (!PageUptodate(page)) {
- if (copied < PAGE_CACHE_SIZE) {
+ if (copied < PAGE_SIZE) {
rc = 0;
goto out;
}
@@ -534,7 +533,7 @@ static int ecryptfs_write_end(struct file *file,
rc = copied;
out:
unlock_page(page);
- page_cache_release(page);
+ put_page(page);
return rc;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-01 02:23:57 +0000