diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig index 83a961bf7280..bbc78549be4c 100644 --- a/fs/ubifs/Kconfig +++ b/fs/ubifs/Kconfig @@ -51,9 +51,20 @@ config UBIFS_ATIME_SUPPORT 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_ENCRYPTION bool "UBIFS Encryption" - depends on UBIFS_FS && BLOCK + depends on UBIFS_FS && UBIFS_FS_XATTR && BLOCK select FS_ENCRYPTION default n help @@ -64,7 +75,7 @@ config UBIFS_FS_ENCRYPTION config UBIFS_FS_SECURITY bool "UBIFS Security Labels" - depends on UBIFS_FS + depends on UBIFS_FS && UBIFS_FS_XATTR default y help Security labels provide an access control facility to support Linux diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile index 9758f709c736..6197d7e539e4 100644 --- a/fs/ubifs/Makefile +++ b/fs/ubifs/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_UBIFS_FS) += ubifs.o ubifs-y += shrinker.o journal.o file.o dir.o super.o sb.o io.o ubifs-y += tnc.o master.o scan.o replay.o log.o commit.o gc.o orphan.o ubifs-y += budget.o find.o tnc_commit.o compress.o lpt.o lprops.o -ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o xattr.o debug.o +ubifs-y += recovery.o ioctl.o lpt_commit.o tnc_misc.o debug.o ubifs-y += misc.o ubifs-$(CONFIG_UBIFS_FS_ENCRYPTION) += crypto.o +ubifs-$(CONFIG_UBIFS_FS_XATTR) += xattr.o diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index e8616040bffc..85aea556b709 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -1648,7 +1648,9 @@ const struct inode_operations ubifs_dir_inode_operations = { .rename = ubifs_rename, .setattr = ubifs_setattr, .getattr = ubifs_getattr, +#ifdef CONFIG_UBIFS_FS_XATTR .listxattr = ubifs_listxattr, +#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 02fab5c322c7..745b3f810fb9 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1653,7 +1653,9 @@ 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 .listxattr = ubifs_listxattr, +#endif #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif @@ -1663,7 +1665,9 @@ const struct inode_operations ubifs_symlink_inode_operations = { .get_link = ubifs_get_link, .setattr = ubifs_setattr, .getattr = ubifs_getattr, +#ifdef CONFIG_UBIFS_FS_XATTR .listxattr = ubifs_listxattr, +#endif #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index c5466c70d620..564a131afc56 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -2053,7 +2053,9 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) if (c->max_inode_sz > MAX_LFS_FILESIZE) sb->s_maxbytes = c->max_inode_sz = MAX_LFS_FILESIZE; sb->s_op = &ubifs_super_operations; +#ifdef CONFIG_UBIFS_FS_XATTR sb->s_xattr = ubifs_xattr_handlers; +#endif #ifdef CONFIG_UBIFS_FS_ENCRYPTION sb->s_cop = &ubifs_crypt_operations; #endif diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 54fb6b1cd042..829308651a5e 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1755,7 +1755,13 @@ int ubifs_xattr_set(struct inode *host, const char *name, const void *value, size_t size, int flags, bool check_lock); ssize_t ubifs_xattr_get(struct inode *host, const char *name, void *buf, size_t size); + +#ifdef CONFIG_UBIFS_FS_XATTR void ubifs_evict_xattr_inode(struct ubifs_info *c, ino_t xattr_inum); +#else +static inline void ubifs_evict_xattr_inode(struct ubifs_info *c, + ino_t xattr_inum) { } +#endif #ifdef CONFIG_UBIFS_FS_SECURITY extern int ubifs_init_security(struct inode *dentry, struct inode *inode,