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eCryptfs: replace encrypt, decrypt, and inode size write

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Replace page encryption and decryption routines and inode size write routine
with versions that utilize the read_write.c functions.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Halcrow
2007-10-16 01:28:08 -07:00
committed by Linus Torvalds
parent da0102a10a
commit 0216f7f792
5 changed files with 288 additions and 304 deletions
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12
fs/ecryptfs/read_write.c
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@@ -154,8 +154,8 @@ int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset,
/* Read in the page from the lower
* into the eCryptfs inode page cache,
* decrypting */
if ((rc = ecryptfs_decrypt_page(NULL, /* placeholder for git-bisect */
ecryptfs_page))) {
rc = ecryptfs_decrypt_page(ecryptfs_page);
if (rc) {
printk(KERN_ERR "%s: Error decrypting "
"page; rc = [%d]\n",
__FUNCTION__, rc);
@@ -178,7 +178,7 @@ int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset,
}
kunmap_atomic(ecryptfs_page_virt, KM_USER0);
flush_dcache_page(ecryptfs_page);
rc = ecryptfs_encrypt_page(NULL /* placeholder for git-bisect */);
rc = ecryptfs_encrypt_page(ecryptfs_page);
if (rc) {
printk(KERN_ERR "%s: Error encrypting "
"page; rc = [%d]\n", __FUNCTION__, rc);
@@ -190,8 +190,8 @@ int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset,
}
if ((offset + size) > ecryptfs_file_size) {
i_size_write(ecryptfs_file->f_dentry->d_inode, (offset + size));
rc = ecryptfs_write_inode_size_to_metadata(NULL, NULL, NULL,
NULL, 0); /* placeholders for git-bisect */
rc = ecryptfs_write_inode_size_to_metadata(
ecryptfs_file->f_dentry->d_inode);
if (rc) {
printk(KERN_ERR "Problem with "
"ecryptfs_write_inode_size_to_metadata; "
@@ -338,7 +338,7 @@ int ecryptfs_read(char *data, loff_t offset, size_t size,
ecryptfs_page_idx, rc);
goto out;
}
rc = ecryptfs_decrypt_page(NULL /* placeholder for git-bisect */, ecryptfs_page);
rc = ecryptfs_decrypt_page(ecryptfs_page);
if (rc) {
printk(KERN_ERR "%s: Error decrypting "
"page; rc = [%d]\n", __FUNCTION__, rc);