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Message-Id: <20220927063607.54832-1-hsiangkao@linux.alibaba.com>
Date: Tue, 27 Sep 2022 14:36:06 +0800
From: Gao Xiang <hsiangkao@...ux.alibaba.com>
To: linux-erofs@...ts.ozlabs.org
Cc: LKML <linux-kernel@...r.kernel.org>,
Gao Xiang <hsiangkao@...ux.alibaba.com>
Subject: [PATCH 1/2] erofs: clean up unnecessary code and comments
Some conditional macros and comments are useless.
Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
---
fs/erofs/internal.h | 2 --
fs/erofs/namei.c | 11 +----------
fs/erofs/xattr.h | 2 --
fs/erofs/zmap.c | 3 +--
4 files changed, 2 insertions(+), 16 deletions(-)
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index a6333c283e3d..0318530bc78a 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -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
diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
index fd75506799c4..afbb80d4e2f1 100644
--- a/fs/erofs/namei.c
+++ b/fs/erofs/namei.c
@@ -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) {
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h
index 332462c59f11..0a43c9ee9f8f 100644
--- a/fs/erofs/xattr.h
+++ b/fs/erofs/xattr.h
@@ -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)
{
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index ccdddb755be8..0a2e41adc78a 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -743,8 +743,7 @@ static int z_erofs_do_map_blocks(struct inode *inode,
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);
--
2.24.4
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