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authorMichael Halcrow <mhalcrow@us.ibm.com>2007-02-12 09:53:49 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 18:48:37 +0100
commite2bd99ec5c0e20ed6aeb079fa8f975c2dcd78a2c (patch)
tree78892d49cf55fa4cf22ce9b8b226c63bac8b227c /fs/ecryptfs/file.c
parent[PATCH] eCryptfs: convert kmap() to kmap_atomic() (diff)
downloadlinux-e2bd99ec5c0e20ed6aeb079fa8f975c2dcd78a2c.tar.xz
linux-e2bd99ec5c0e20ed6aeb079fa8f975c2dcd78a2c.zip
[PATCH] eCryptfs: open-code flag checking and manipulation
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>
Diffstat (limited to 'fs/ecryptfs/file.c')
-rw-r--r--fs/ecryptfs/file.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 652ed772a9be..bd969adf70d7 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -273,11 +273,11 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
mutex_lock(&crypt_stat->cs_mutex);
- if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED)) {
+ if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)) {
ecryptfs_printk(KERN_DEBUG, "Setting flags for stat...\n");
/* Policy code enabled in future release */
- ECRYPTFS_SET_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED);
- ECRYPTFS_SET_FLAG(crypt_stat->flags, ECRYPTFS_ENCRYPTED);
+ crypt_stat->flags |= ECRYPTFS_POLICY_APPLIED;
+ crypt_stat->flags |= ECRYPTFS_ENCRYPTED;
}
mutex_unlock(&crypt_stat->cs_mutex);
lower_flags = file->f_flags;
@@ -297,15 +297,13 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
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);
rc = 0;
goto out;
}
mutex_lock(&crypt_stat->cs_mutex);
- if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags,
- ECRYPTFS_POLICY_APPLIED)
- || !ECRYPTFS_CHECK_FLAG(crypt_stat->flags,
- ECRYPTFS_KEY_VALID)) {
+ if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)
+ || !(crypt_stat->flags & ECRYPTFS_KEY_VALID)) {
rc = ecryptfs_read_metadata(ecryptfs_dentry, lower_file);
if (rc) {
ecryptfs_printk(KERN_DEBUG,
@@ -320,9 +318,8 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
mutex_unlock(&crypt_stat->cs_mutex);
goto out_puts;
}
- ECRYPTFS_CLEAR_FLAG(crypt_stat->flags,
- ECRYPTFS_ENCRYPTED);
rc = 0;
+ crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
mutex_unlock(&crypt_stat->cs_mutex);
goto out;
}