erofs: clean up redundant comment and adjust code alignment

Remove some redundant comments in erofs/super.c, and avoid unncessary
line breaks for cleanup.

Signed-off-by: Ferry Meng <mengferry@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230815094849.53249-1-mengferry@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index 3d04cc3..f3b3333 100644 (file)
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -21,8 +21,7 @@
 static struct kmem_cache *erofs_inode_cachep __read_mostly;
 struct file_system_type erofs_fs_type;
 
-void _erofs_err(struct super_block *sb, const char *function,
-               const char *fmt, ...)
+void _erofs_err(struct super_block *sb, const char *func, const char *fmt, ...)
 {
        struct va_format vaf;
        va_list args;
@@ -32,12 +31,11 @@ void _erofs_err(struct super_block *sb, const char *function,
        vaf.fmt = fmt;
        vaf.va = &args;
 
-       pr_err("(device %s): %s: %pV", sb->s_id, function, &vaf);
+       pr_err("(device %s): %s: %pV", sb->s_id, func, &vaf);
        va_end(args);
 }
 
-void _erofs_info(struct super_block *sb, const char *function,
-                const char *fmt, ...)
+void _erofs_info(struct super_block *sb, const char *func, const char *fmt, ...)
 {
        struct va_format vaf;
        va_list args;
@@ -102,11 +100,9 @@ static void erofs_free_inode(struct inode *inode)
 {
        struct erofs_inode *vi = EROFS_I(inode);
 
-       /* be careful of RCU symlink path */
        if (inode->i_op == &erofs_fast_symlink_iops)
                kfree(inode->i_link);
        kfree(vi->xattr_shared_xattrs);
-
        kmem_cache_free(erofs_inode_cachep, vi);
 }
 
@@ -119,8 +115,7 @@ static bool check_layout_compatibility(struct super_block *sb,
 
        /* check if current kernel meets all mandatory requirements */
        if (feature & (~EROFS_ALL_FEATURE_INCOMPAT)) {
-               erofs_err(sb,
-                         "unidentified incompatible feature %x, please upgrade kernel version",
+               erofs_err(sb, "unidentified incompatible feature %x, please upgrade kernel",
                           feature & ~EROFS_ALL_FEATURE_INCOMPAT);
                return false;
        }
@@ -433,7 +428,6 @@ out:
        return ret;
 }
 
-/* set up default EROFS parameters */
 static void erofs_default_options(struct erofs_fs_context *ctx)
 {
 #ifdef CONFIG_EROFS_FS_ZIP
@@ -735,7 +729,6 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
        xa_init(&sbi->managed_pslots);
 #endif
 
-       /* get the root inode */
        inode = erofs_iget(sb, ROOT_NID(sbi));
        if (IS_ERR(inode))
                return PTR_ERR(inode);
@@ -752,7 +745,6 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
                return -ENOMEM;
 
        erofs_shrinker_register(sb);
-       /* sb->s_umount is already locked, SB_ACTIVE and SB_BORN are not set */
        if (erofs_sb_has_fragments(sbi) && sbi->packed_nid) {
                sbi->packed_inode = erofs_iget(sb, sbi->packed_nid);
                if (IS_ERR(sbi->packed_inode)) {
@@ -885,10 +877,6 @@ static int erofs_init_fs_context(struct fs_context *fc)
        return 0;
 }
 
-/*
- * could be triggered after deactivate_locked_super()
- * is called, thus including umount and failed to initialize.
- */
 static void erofs_kill_sb(struct super_block *sb)
 {
        struct erofs_sb_info *sbi;
@@ -917,7 +905,6 @@ static void erofs_kill_sb(struct super_block *sb)
        sb->s_fs_info = NULL;
 }
 
-/* called when ->s_root is non-NULL */
 static void erofs_put_super(struct super_block *sb)
 {
        struct erofs_sb_info *const sbi = EROFS_SB(sb);
@@ -1018,7 +1005,6 @@ static void __exit erofs_module_exit(void)
        erofs_pcpubuf_exit();
 }
 
-/* get filesystem statistics */
 static int erofs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
        struct super_block *sb = dentry->d_sb;