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[PATCH] eCryptfs: open-code flag checking and manipulation

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Open-code flag checking and manipulation.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Trevor Highland <tshighla@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 2007-02-12 00:53:49 -08:00 • committed by Linus Torvalds
parent 9d8b8ce556
commit e2bd99ec5c
7 changed files with 49 additions and 68 deletions
Download patch file Download diff file Expand all files Collapse all files

14
fs/ecryptfs/inode.c
View file

@ -161,9 +161,8 @@ static int grow_file(struct dentry *ecryptfs_dentry, struct file *lower_file,
ecryptfs_set_file_lower(&fake_file, lower_file);
rc = ecryptfs_fill_zeros(&fake_file, 1);
if (rc) {
ECRYPTFS_SET_FLAG(
ecryptfs_inode_to_private(inode)->crypt_stat.flags,
ECRYPTFS_SECURITY_WARNING);
ecryptfs_inode_to_private(inode)->crypt_stat.flags |=
ECRYPTFS_SECURITY_WARNING;
ecryptfs_printk(KERN_WARNING, "Error attempting to fill zeros "
"in file; rc = [%d]\n", rc);
goto out;
@ -172,8 +171,7 @@ static int grow_file(struct dentry *ecryptfs_dentry, struct file *lower_file,
ecryptfs_write_inode_size_to_metadata(lower_file, lower_inode, inode,
ecryptfs_dentry,
ECRYPTFS_LOWER_I_MUTEX_NOT_HELD);
ECRYPTFS_SET_FLAG(ecryptfs_inode_to_private(inode)->crypt_stat.flags,
ECRYPTFS_NEW_FILE);
ecryptfs_inode_to_private(inode)->crypt_stat.flags |= ECRYPTFS_NEW_FILE;
out:
return rc;
}
@ -216,10 +214,10 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
lower_inode = lower_dentry->d_inode;
if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
ecryptfs_printk(KERN_DEBUG, "This is a directory\n");
ECRYPTFS_CLEAR_FLAG(crypt_stat->flags, ECRYPTFS_ENCRYPTED);
crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
goto out_fput;
}
ECRYPTFS_SET_FLAG(crypt_stat->flags, ECRYPTFS_NEW_FILE);
crypt_stat->flags |= ECRYPTFS_NEW_FILE;
ecryptfs_printk(KERN_DEBUG, "Initializing crypto context\n");
rc = ecryptfs_new_file_context(ecryptfs_dentry);
if (rc) {
@ -373,7 +371,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
goto out_dput;
}
crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED))
if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED))
ecryptfs_set_default_sizes(crypt_stat);
rc = ecryptfs_read_and_validate_header_region(page_virt, lower_dentry,
nd->mnt);