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authorEric Biggers <ebiggers@google.com>2017-10-09 12:15:36 -0700
committerTheodore Ts'o <tytso@mit.edu>2017-10-18 19:52:36 -0400
commite0428a266d5a29a3c2eec287fcd49be9e8e2468e (patch)
tree0ecedc8aa9793db447da6abdb31506229f582a50 /fs/crypto
parent2ee6a576be56427209d370d8a511d49340c84139 (diff)
downloadlinux-e0428a266d5a29a3c2eec287fcd49be9e8e2468e.tar.bz2
fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()
IS_ENCRYPTED() now gives the same information as i_sb->s_cop->is_encrypted() but is more efficient, since IS_ENCRYPTED() is just a simple flag check. Prepare to remove ->is_encrypted() by switching all callers to IS_ENCRYPTED(). Acked-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/crypto')
-rw-r--r--fs/crypto/crypto.c2
-rw-r--r--fs/crypto/fname.c3
-rw-r--r--fs/crypto/keyinfo.c2
-rw-r--r--fs/crypto/policy.c6
4 files changed, 6 insertions, 7 deletions
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index c7835df7e7b8..608f6bbe0f31 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -340,7 +340,7 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
return -ECHILD;
dir = dget_parent(dentry);
- if (!d_inode(dir)->i_sb->s_cop->is_encrypted(d_inode(dir))) {
+ if (!IS_ENCRYPTED(d_inode(dir))) {
dput(dir);
return 0;
}
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index ad9f814fdead..2878289b3ed2 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -382,8 +382,7 @@ int fscrypt_setup_filename(struct inode *dir, const struct qstr *iname,
memset(fname, 0, sizeof(struct fscrypt_name));
fname->usr_fname = iname;
- if (!dir->i_sb->s_cop->is_encrypted(dir) ||
- fscrypt_is_dot_dotdot(iname)) {
+ if (!IS_ENCRYPTED(dir) || fscrypt_is_dot_dotdot(iname)) {
fname->disk_name.name = (unsigned char *)iname->name;
fname->disk_name.len = iname->len;
return 0;
diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c
index 018c588c7ac3..236a68d4ea72 100644
--- a/fs/crypto/keyinfo.c
+++ b/fs/crypto/keyinfo.c
@@ -268,7 +268,7 @@ int fscrypt_get_encryption_info(struct inode *inode)
res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx));
if (res < 0) {
if (!fscrypt_dummy_context_enabled(inode) ||
- inode->i_sb->s_cop->is_encrypted(inode))
+ IS_ENCRYPTED(inode))
return res;
/* Fake up a context for an unencrypted directory */
memset(&ctx, 0, sizeof(ctx));
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index ce07a86200f3..6a63b8a0d46c 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -109,7 +109,7 @@ int fscrypt_ioctl_get_policy(struct file *filp, void __user *arg)
struct fscrypt_policy policy;
int res;
- if (!inode->i_sb->s_cop->is_encrypted(inode))
+ if (!IS_ENCRYPTED(inode))
return -ENODATA;
res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx));
@@ -166,11 +166,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
return 1;
/* No restrictions if the parent directory is unencrypted */
- if (!cops->is_encrypted(parent))
+ if (!IS_ENCRYPTED(parent))
return 1;
/* Encrypted directories must not contain unencrypted files */
- if (!cops->is_encrypted(child))
+ if (!IS_ENCRYPTED(child))
return 0;
/*