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ext4: use IS_ENCRYPTED() to check encryption status

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This commit removes the ext4 specific ext4_encrypted_inode() and makes
use of the generic IS_ENCRYPTED() macro to check for the encryption
status of an inode.

Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
This commit is contained in:
Chandan Rajendra
2018-12-12 15:20:10 +05:30
committed by Theodore Ts'o
parent 1058ef0dcb
commit 592ddec757
10 changed files with 22 additions and 32 deletions
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16
fs/ext4/inode.c
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@@ -415,7 +415,7 @@ int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk,
{
int ret;
if (ext4_encrypted_inode(inode))
if (IS_ENCRYPTED(inode))
return fscrypt_zeroout_range(inode, lblk, pblk, len);
ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS);
@@ -1217,8 +1217,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
(block_start < from || block_end > to)) {
ll_rw_block(REQ_OP_READ, 0, 1, &bh);
*wait_bh++ = bh;
decrypt = ext4_encrypted_inode(inode) &&
S_ISREG(inode->i_mode);
decrypt = IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
}
}
/*
@@ -3881,7 +3880,7 @@ static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
ssize_t ret;
#ifdef CONFIG_EXT4_FS_ENCRYPTION
if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode))
if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode))
return 0;
#endif
@@ -4065,8 +4064,7 @@ static int __ext4_block_zero_page_range(handle_t *handle,
/* Uhhuh. Read error. Complain and punt. */
if (!buffer_uptodate(bh))
goto unlock;
if (S_ISREG(inode->i_mode) &&
ext4_encrypted_inode(inode)) {
if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode)) {
/* We expect the key to be set. */
BUG_ON(!fscrypt_has_encryption_key(inode));
BUG_ON(blocksize != PAGE_SIZE);
@@ -4142,7 +4140,7 @@ static int ext4_block_truncate_page(handle_t *handle,
struct inode *inode = mapping->host;
/* If we are processing an encrypted inode during orphan list handling */
if (ext4_encrypted_inode(inode) && !fscrypt_has_encryption_key(inode))
if (IS_ENCRYPTED(inode) && !fscrypt_has_encryption_key(inode))
return 0;
blocksize = inode->i_sb->s_blocksize;
@@ -4722,7 +4720,7 @@ static bool ext4_should_use_dax(struct inode *inode)
return false;
if (ext4_has_inline_data(inode))
return false;
if (ext4_encrypted_inode(inode))
if (ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT))
return false;
return true;
}
@@ -5072,7 +5070,7 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
ret = -EFSCORRUPTED;
goto bad_inode;
}
if (ext4_encrypted_inode(inode)) {
if (IS_ENCRYPTED(inode)) {
inode->i_op = &ext4_encrypted_symlink_inode_operations;
ext4_set_aops(inode);
} else if (ext4_inode_is_fast_symlink(inode)) {