They can either be removed or replaced with IS_ENABLED().

Signed-off-by: Ferry Meng <[email protected]>
---
 fs/erofs/data.c  | 20 ++++++++------------
 fs/erofs/super.c | 13 ++++---------
 fs/erofs/sysfs.c |  5 ++---
 3 files changed, 14 insertions(+), 24 deletions(-)

diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 3a4eb0dececd..a2c796db4510 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -365,12 +365,10 @@ int erofs_fiemap(struct inode *inode, struct 
fiemap_extent_info *fieinfo,
                 u64 start, u64 len)
 {
        if (erofs_inode_is_data_compressed(EROFS_I(inode)->datalayout)) {
-#ifdef CONFIG_EROFS_FS_ZIP
+               if (!IS_ENABLED(CONFIG_EROFS_FS_ZIP))
+                       return -EOPNOTSUPP;
                return iomap_fiemap(inode, fieinfo, start, len,
                                    &z_erofs_iomap_report_ops);
-#else
-               return -EOPNOTSUPP;
-#endif
        }
        return iomap_fiemap(inode, fieinfo, start, len, &erofs_iomap_ops);
 }
@@ -428,10 +426,9 @@ static ssize_t erofs_file_read_iter(struct kiocb *iocb, 
struct iov_iter *to)
        if (!iov_iter_count(to))
                return 0;
 
-#ifdef CONFIG_FS_DAX
-       if (IS_DAX(inode))
+       if (IS_ENABLED(CONFIG_FS_DAX) && IS_DAX(inode))
                return dax_iomap_rw(iocb, to, &erofs_iomap_ops);
-#endif
+
        if ((iocb->ki_flags & IOCB_DIRECT) && inode->i_sb->s_bdev) {
                struct erofs_iomap_iter_ctx iter_ctx = {
                        .realinode = inode,
@@ -491,12 +488,11 @@ static loff_t erofs_file_llseek(struct file *file, loff_t 
offset, int whence)
        struct inode *inode = file->f_mapping->host;
        const struct iomap_ops *ops = &erofs_iomap_ops;
 
-       if (erofs_inode_is_data_compressed(EROFS_I(inode)->datalayout))
-#ifdef CONFIG_EROFS_FS_ZIP
+       if (erofs_inode_is_data_compressed(EROFS_I(inode)->datalayout)) {
+               if (!IS_ENABLED(CONFIG_EROFS_FS_ZIP))
+                       return generic_file_llseek(file, offset, whence);
                ops = &z_erofs_iomap_report_ops;
-#else
-               return generic_file_llseek(file, offset, whence);
-#endif
+       }
 
        if (whence == SEEK_HOLE)
                offset = iomap_seek_hole(inode, offset, ops);
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index e52c2b528f86..7827e61424b7 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -381,12 +381,10 @@ static void erofs_default_options(struct erofs_sb_info 
*sbi)
        sbi->opt.cache_strategy = EROFS_ZIP_CACHE_READAROUND;
        sbi->sync_decompress = EROFS_SYNC_DECOMPRESS_AUTO;
 #endif
-#ifdef CONFIG_EROFS_FS_XATTR
-       set_opt(&sbi->opt, XATTR_USER);
-#endif
-#ifdef CONFIG_EROFS_FS_POSIX_ACL
-       set_opt(&sbi->opt, POSIX_ACL);
-#endif
+       if (IS_ENABLED(CONFIG_EROFS_FS_XATTR))
+               set_opt(&sbi->opt, XATTR_USER);
+       if (IS_ENABLED(CONFIG_EROFS_FS_POSIX_ACL))
+               set_opt(&sbi->opt, POSIX_ACL);
 }
 
 enum {
@@ -1125,11 +1123,8 @@ static int erofs_show_options(struct seq_file *seq, 
struct dentry *root)
 
 static void erofs_evict_inode(struct inode *inode)
 {
-#ifdef CONFIG_FS_DAX
        if (IS_DAX(inode))
                dax_break_layout_final(inode);
-#endif
-
        erofs_ishare_free_inode(inode);
        truncate_inode_pages_final(&inode->i_data);
        clear_inode(inode);
diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c
index 3a9a5fa000ae..6734483a440f 100644
--- a/fs/erofs/sysfs.c
+++ b/fs/erofs/sysfs.c
@@ -168,11 +168,10 @@ static ssize_t erofs_attr_store(struct kobject *kobj, 
struct attribute *attr,
                        return ret;
                if (t != (unsigned int)t)
                        return -ERANGE;
-#ifdef CONFIG_EROFS_FS_ZIP
-               if (!strcmp(a->attr.name, "sync_decompress") &&
+               if (IS_ENABLED(CONFIG_EROFS_FS_ZIP) &&
+                   !strcmp(a->attr.name, "sync_decompress") &&
                    (t > EROFS_SYNC_DECOMPRESS_FORCE_OFF))
                        return -EINVAL;
-#endif
                *(unsigned int *)ptr = t;
                return len;
        case attr_pointer_bool:
-- 
2.43.5


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