diff options
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/Kconfig | 12 | ||||
| -rw-r--r-- | fs/ubifs/Makefile | 2 | ||||
| -rw-r--r-- | fs/ubifs/ioctl.c | 12 | ||||
| -rw-r--r-- | fs/ubifs/sb.c | 2 | ||||
| -rw-r--r-- | fs/ubifs/super.c | 2 | ||||
| -rw-r--r-- | fs/ubifs/ubifs.h | 5 |
6 files changed, 16 insertions, 19 deletions
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig index bc1e082d921d..9da2f135121b 100644 --- a/fs/ubifs/Kconfig +++ b/fs/ubifs/Kconfig @@ -8,6 +8,7 @@ config UBIFS_FS select CRYPTO_LZO if UBIFS_FS_LZO select CRYPTO_DEFLATE if UBIFS_FS_ZLIB select CRYPTO_HASH_INFO + select UBIFS_FS_XATTR if FS_ENCRYPTION depends on MTD_UBI help UBIFS is a file system for flash devices which works on top of UBI. @@ -60,17 +61,6 @@ config UBIFS_FS_XATTR If unsure, say Y. -config UBIFS_FS_ENCRYPTION - bool "UBIFS Encryption" - depends on UBIFS_FS_XATTR && BLOCK - select FS_ENCRYPTION - default n - help - Enable encryption of UBIFS files and directories. This - feature is similar to ecryptfs, but it is more memory - efficient since it avoids caching the encrypted and - decrypted pages in the page cache. - config UBIFS_FS_SECURITY bool "UBIFS Security Labels" depends on UBIFS_FS_XATTR diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile index 5f838319c8d5..5c4b845754a7 100644 --- a/fs/ubifs/Makefile +++ b/fs/ubifs/Makefile @@ -6,6 +6,6 @@ ubifs-y += tnc.o master.o scan.o replay.o log.o commit.o gc.o orphan.o ubifs-y += budget.o find.o tnc_commit.o compress.o lpt.o lprops.o ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o debug.o ubifs-y += misc.o -ubifs-$(CONFIG_UBIFS_FS_ENCRYPTION) += crypto.o +ubifs-$(CONFIG_FS_ENCRYPTION) += crypto.o ubifs-$(CONFIG_UBIFS_FS_XATTR) += xattr.o ubifs-$(CONFIG_UBIFS_FS_AUTHENTICATION) += auth.o diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 0164bcc827f8..82e4e6a30b04 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -28,6 +28,11 @@ #include <linux/mount.h> #include "ubifs.h" +/* Need to be kept consistent with checked flags in ioctl2ubifs() */ +#define UBIFS_SUPPORTED_IOCTL_FLAGS \ + (FS_COMPR_FL | FS_SYNC_FL | FS_APPEND_FL | \ + FS_IMMUTABLE_FL | FS_DIRSYNC_FL) + /** * ubifs_set_inode_flags - set VFS inode flags. * @inode: VFS inode to set flags for @@ -169,6 +174,9 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (get_user(flags, (int __user *) arg)) return -EFAULT; + if (flags & ~UBIFS_SUPPORTED_IOCTL_FLAGS) + return -EOPNOTSUPP; + if (!S_ISDIR(inode->i_mode)) flags &= ~FS_DIRSYNC_FL; @@ -185,7 +193,7 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return err; } case FS_IOC_SET_ENCRYPTION_POLICY: { -#ifdef CONFIG_UBIFS_FS_ENCRYPTION +#ifdef CONFIG_FS_ENCRYPTION struct ubifs_info *c = inode->i_sb->s_fs_info; err = ubifs_enable_encryption(c); @@ -198,7 +206,7 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) #endif } case FS_IOC_GET_ENCRYPTION_POLICY: { -#ifdef CONFIG_UBIFS_FS_ENCRYPTION +#ifdef CONFIG_FS_ENCRYPTION return fscrypt_ioctl_get_policy(file, (void __user *)arg); #else return -EOPNOTSUPP; diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index 3da90c951c23..67fac1e8adfb 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -748,7 +748,7 @@ int ubifs_read_superblock(struct ubifs_info *c) goto out; } -#ifndef CONFIG_UBIFS_FS_ENCRYPTION +#ifndef CONFIG_FS_ENCRYPTION if (c->encrypted) { ubifs_err(c, "file system contains encrypted files but UBIFS" " was built without crypto support."); diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 1fac1133dadd..8dc2818fdd84 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -2146,7 +2146,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) #ifdef CONFIG_UBIFS_FS_XATTR sb->s_xattr = ubifs_xattr_handlers; #endif -#ifdef CONFIG_UBIFS_FS_ENCRYPTION +#ifdef CONFIG_FS_ENCRYPTION sb->s_cop = &ubifs_crypt_operations; #endif diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 38401adaa00d..1ae12900e01d 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -43,7 +43,6 @@ #include <crypto/hash.h> #include <crypto/algapi.h> -#define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_UBIFS_FS_ENCRYPTION) #include <linux/fscrypt.h> #include "ubifs-media.h" @@ -142,7 +141,7 @@ */ #define WORST_COMPR_FACTOR 2 -#ifdef CONFIG_UBIFS_FS_ENCRYPTION +#ifdef CONFIG_FS_ENCRYPTION #define UBIFS_CIPHER_BLOCK_SIZE FS_CRYPTO_BLOCK_SIZE #else #define UBIFS_CIPHER_BLOCK_SIZE 0 @@ -2072,7 +2071,7 @@ int ubifs_decompress(const struct ubifs_info *c, const void *buf, int len, #include "misc.h" #include "key.h" -#ifndef CONFIG_UBIFS_FS_ENCRYPTION +#ifndef CONFIG_FS_ENCRYPTION static inline int ubifs_encrypt(const struct inode *inode, struct ubifs_data_node *dn, unsigned int in_len, unsigned int *out_len, |