erofs: clean up unnecessary code and comments

Some conditional macros and comments are useless.

Link: https://lore.kernel.org/r/20220927063607.54832-1-hsiangkao@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Gao Xiang 2022-09-27 14:36:06 +08:00
parent 31da107fdb
commit 53a7f9961c
4 changed files with 2 additions and 16 deletions

View File

@ -196,7 +196,6 @@ enum {
EROFS_ZIP_CACHE_READAROUND
};
#ifdef CONFIG_EROFS_FS_ZIP
#define EROFS_LOCKED_MAGIC (INT_MIN | 0xE0F510CCL)
/* basic unit of the workstation of a super_block */
@ -236,7 +235,6 @@ static inline int erofs_wait_on_workgroup_freezed(struct erofs_workgroup *grp)
return atomic_cond_read_relaxed(&grp->refcount,
VAL != EROFS_LOCKED_MAGIC);
}
#endif /* !CONFIG_EROFS_FS_ZIP */
/* we strictly follow PAGE_SIZE and no buffer head yet */
#define LOG_BLOCK_SIZE PAGE_SHIFT

View File

@ -185,7 +185,6 @@ int erofs_namei(struct inode *dir, const struct qstr *name, erofs_nid_t *nid,
if (IS_ERR(de))
return PTR_ERR(de);
/* the target page has been mapped */
if (ndirents)
de = find_target_dirent(&qn, (u8 *)de, EROFS_BLKSIZ, ndirents);
@ -197,9 +196,7 @@ int erofs_namei(struct inode *dir, const struct qstr *name, erofs_nid_t *nid,
return PTR_ERR_OR_ZERO(de);
}
/* NOTE: i_mutex is already held by vfs */
static struct dentry *erofs_lookup(struct inode *dir,
struct dentry *dentry,
static struct dentry *erofs_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags)
{
int err;
@ -207,17 +204,11 @@ static struct dentry *erofs_lookup(struct inode *dir,
unsigned int d_type;
struct inode *inode;
DBG_BUGON(!d_really_is_negative(dentry));
/* dentry must be unhashed in lookup, no need to worry about */
DBG_BUGON(!d_unhashed(dentry));
trace_erofs_lookup(dir, dentry, flags);
/* file name exceeds fs limit */
if (dentry->d_name.len > EROFS_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
/* false uninitialized warnings on gcc 4.8.x */
err = erofs_namei(dir, &dentry->d_name, &nid, &d_type);
if (err == -ENOENT) {

View File

@ -39,9 +39,7 @@ static inline unsigned int xattrblock_offset(struct erofs_sb_info *sbi,
#ifdef CONFIG_EROFS_FS_XATTR
extern const struct xattr_handler erofs_xattr_user_handler;
extern const struct xattr_handler erofs_xattr_trusted_handler;
#ifdef CONFIG_EROFS_FS_SECURITY
extern const struct xattr_handler erofs_xattr_security_handler;
#endif
static inline const struct xattr_handler *erofs_xattr_handler(unsigned int idx)
{

View File

@ -731,8 +731,7 @@ out:
return err;
}
int z_erofs_map_blocks_iter(struct inode *inode,
struct erofs_map_blocks *map,
int z_erofs_map_blocks_iter(struct inode *inode, struct erofs_map_blocks *map,
int flags)
{
struct erofs_inode *const vi = EROFS_I(inode);