diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ubifs/Kconfig | 24 | ||||
| -rw-r--r-- | fs/ubifs/Makefile | 3 | ||||
| -rw-r--r-- | fs/ubifs/dir.c | 2 | ||||
| -rw-r--r-- | fs/ubifs/file.c | 4 | ||||
| -rw-r--r-- | fs/ubifs/ubifs.h | 14 | ||||
| -rw-r--r-- | fs/ubifs/xattr.c | 2 |
6 files changed, 47 insertions, 2 deletions
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig index 7ff7712f284e..87ec3c28e61f 100644 --- a/fs/ubifs/Kconfig +++ b/fs/ubifs/Kconfig @@ -50,3 +50,27 @@ config UBIFS_ATIME_SUPPORT strictatime is the "heavy", relatime is "lighter", etc. If unsure, say 'N' + +config UBIFS_FS_XATTR + bool "UBIFS XATTR support" + depends on UBIFS_FS + default y + help + Saying Y here includes support for extended attributes (xattrs). + Xattrs are name:value pairs associated with inodes by + the kernel or by users (see the attr(5) manual page). + + If unsure, say Y. + +config UBIFS_FS_SECURITY + bool "UBIFS Security Labels" + depends on UBIFS_FS && UBIFS_FS_XATTR + default y + help + Security labels provide an access control facility to support Linux + Security Models (LSMs) accepted by AppArmor, SELinux, Smack and TOMOYO + Linux. This option enables an extended attribute handler for file + security labels in the ubifs filesystem, so that it requires enabling + the extended attribute support in advance. + + If you are not using a security module, say N. diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile index 2c6f0cb816b4..29b5c0d6488c 100644 --- a/fs/ubifs/Makefile +++ b/fs/ubifs/Makefile @@ -3,4 +3,5 @@ obj-$(CONFIG_UBIFS_FS) += ubifs.o ubifs-y += shrinker.o journal.o file.o dir.o super.o sb.o io.o ubifs-y += tnc.o master.o scan.o replay.o log.o commit.o gc.o orphan.o ubifs-y += budget.o find.o tnc_commit.o compress.o lpt.o lprops.o -ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o xattr.o debug.o +ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o debug.o +ubifs-$(CONFIG_UBIFS_FS_XATTR) += xattr.o diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index f5d5ee43ae6e..783f620701d2 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -1188,10 +1188,12 @@ const struct inode_operations ubifs_dir_inode_operations = { .rename = ubifs_rename, .setattr = ubifs_setattr, .getattr = ubifs_getattr, +#ifdef CONFIG_UBIFS_FS_XATTR .setxattr = ubifs_setxattr, .getxattr = ubifs_getxattr, .listxattr = ubifs_listxattr, .removexattr = ubifs_removexattr, +#endif #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index b895af7d8d80..ec6d6e90d0d2 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1621,10 +1621,12 @@ const struct address_space_operations ubifs_file_address_operations = { const struct inode_operations ubifs_file_inode_operations = { .setattr = ubifs_setattr, .getattr = ubifs_getattr, +#ifdef CONFIG_UBIFS_FS_XATTR .setxattr = ubifs_setxattr, .getxattr = ubifs_getxattr, .listxattr = ubifs_listxattr, .removexattr = ubifs_removexattr, +#endif #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif @@ -1635,10 +1637,12 @@ const struct inode_operations ubifs_symlink_inode_operations = { .follow_link = simple_follow_link, .setattr = ubifs_setattr, .getattr = ubifs_getattr, +#ifdef CONFIG_UBIFS_FS_XATTR .setxattr = ubifs_setxattr, .getxattr = ubifs_getxattr, .listxattr = ubifs_listxattr, .removexattr = ubifs_removexattr, +#endif #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index a5697de763f5..e39752b9b2a5 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1761,9 +1761,21 @@ int ubifs_setxattr(struct dentry *dentry, const char *name, ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf, size_t size); ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size); +#ifdef CONFIG_UBIFS_FS_XATTR int ubifs_removexattr(struct dentry *dentry, const char *name); -int ubifs_init_security(struct inode *dentry, struct inode *inode, +#endif + +#ifdef CONFIG_UBIFS_FS_SECURITY +extern int ubifs_init_security(struct inode *dentry, struct inode *inode, const struct qstr *qstr); +#else +static inline int ubifs_init_security(struct inode *dentry, + struct inode *inode, const struct qstr *qstr) +{ + return 0; +} +#endif + /* super.c */ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum); diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index b5bf23b34241..8d3a4324c36f 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -590,6 +590,7 @@ out_free: return err; } +#ifdef CONFIG_UBIFS_FS_SECURITY static int init_xattrs(struct inode *inode, const struct xattr *xattr_array, void *fs_info) { @@ -629,3 +630,4 @@ int ubifs_init_security(struct inode *dentry, struct inode *inode, } return err; } +#endif |