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ubifs: Code cleanup by removing ifdef macro surrounding 

Define ubifs_listxattr and ubifs_xattr_handlers to NULL
when CONFIG_UBIFS_FS_XATTR is not enabled, then we can
remove many ugly ifdef macros in the code.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Chengguang Xu 2020-05-26 17:07:12 +08:00 committed by Richard Weinberger
parent 8fdaaf4cf3
commit 2976c19c95
4 changed files with 4 additions and 10 deletions
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2
fs/ubifs/dir.c
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@ -1630,9 +1630,7 @@ 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
.update_time = ubifs_update_time,
.tmpfile = ubifs_tmpfile,
};

4
fs/ubifs/file.c
View File

@ -1645,9 +1645,7 @@ 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
.update_time = ubifs_update_time,
};
@ -1655,9 +1653,7 @@ 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
.update_time = ubifs_update_time,
};

2
fs/ubifs/super.c
View File

@ -2207,9 +2207,7 @@ 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
fscrypt_set_ops(sb, &ubifs_crypt_operations);
mutex_lock(&c->umount_mutex);

6
fs/ubifs/ubifs.h
View File

@ -2000,17 +2000,19 @@ int ubifs_getattr(const struct path *path, struct kstat *stat,
int ubifs_check_dir_empty(struct inode *dir);
/* xattr.c */
extern const struct xattr_handler *ubifs_xattr_handlers[];
ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size);
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
extern const struct xattr_handler *ubifs_xattr_handlers[];
ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size);
void ubifs_evict_xattr_inode(struct ubifs_info *c, ino_t xattr_inum);
int ubifs_purge_xattrs(struct inode *host);
#else
#define ubifs_listxattr NULL
#define ubifs_xattr_handlers NULL
static inline void ubifs_evict_xattr_inode(struct ubifs_info *c,
ino_t xattr_inum) { }
static inline int ubifs_purge_xattrs(struct inode *host)