linux-kernel - [PATCH 3/4] fs/ntfs3: Remove unused functions

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Date:   Fri, 21 Oct 2022 19:52:31 +0300
From:   Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
To:     <ntfs3@...ts.linux.dev>
CC:     <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>
Subject: [PATCH 3/4] fs/ntfs3: Remove unused functions

Removed attr_must_be_resident and ntfs_query_def.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
---
  fs/ntfs3/attrib.c  | 27 ---------------------------
  fs/ntfs3/fsntfs.c  | 29 -----------------------------
  fs/ntfs3/ntfs_fs.h |  2 --
  3 files changed, 58 deletions(-)

diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c
index b2f54fab4001..7c00656151fb 100644
--- a/fs/ntfs3/attrib.c
+++ b/fs/ntfs3/attrib.c
@@ -54,33 +54,6 @@ static inline u64 get_pre_allocated(u64 size)
  	return ret;
  }
  
-/*
- * attr_must_be_resident
- *
- * Return: True if attribute must be resident.
- */
-static inline bool attr_must_be_resident(struct ntfs_sb_info *sbi,
-					 enum ATTR_TYPE type)
-{
-	const struct ATTR_DEF_ENTRY *de;
-
-	switch (type) {
-	case ATTR_STD:
-	case ATTR_NAME:
-	case ATTR_ID:
-	case ATTR_LABEL:
-	case ATTR_VOL_INFO:
-	case ATTR_ROOT:
-	case ATTR_EA_INFO:
-		return true;
-	default:
-		de = ntfs_query_def(sbi, type);
-		if (de && (de->flags & NTFS_ATTR_MUST_BE_RESIDENT))
-			return true;
-		return false;
-	}
-}
-
  /*
   * attr_load_runs - Load all runs stored in @attr.
   */
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 29e55fddf4e0..99dc2a287eab 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -321,35 +321,6 @@ int ntfs_loadlog_and_replay(struct ntfs_inode *ni, struct ntfs_sb_info *sbi)
  	return err;
  }
  
-/*
- * ntfs_query_def
- *
- * Return: Current ATTR_DEF_ENTRY for given attribute type.
- */
-const struct ATTR_DEF_ENTRY *ntfs_query_def(struct ntfs_sb_info *sbi,
-					    enum ATTR_TYPE type)
-{
-	int type_in = le32_to_cpu(type);
-	size_t min_idx = 0;
-	size_t max_idx = sbi->def_entries - 1;
-
-	while (min_idx <= max_idx) {
-		size_t i = min_idx + ((max_idx - min_idx) >> 1);
-		const struct ATTR_DEF_ENTRY *entry = sbi->def_table + i;
-		int diff = le32_to_cpu(entry->type) - type_in;
-
-		if (!diff)
-			return entry;
-		if (diff < 0)
-			min_idx = i + 1;
-		else if (i)
-			max_idx = i - 1;
-		else
-			return NULL;
-	}
-	return NULL;
-}
-
  /*
   * ntfs_look_for_free_space - Look for a free space in bitmap.
   */
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index 2f6fb6ceaeca..e9f6898ec924 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -584,8 +584,6 @@ int ntfs_fix_post_read(struct NTFS_RECORD_HEADER *rhdr, size_t bytes,
  		       bool simple);
  int ntfs_extend_init(struct ntfs_sb_info *sbi);
  int ntfs_loadlog_and_replay(struct ntfs_inode *ni, struct ntfs_sb_info *sbi);
-const struct ATTR_DEF_ENTRY *ntfs_query_def(struct ntfs_sb_info *sbi,
-					    enum ATTR_TYPE Type);
  int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
  			     CLST *new_lcn, CLST *new_len,
  			     enum ALLOCATE_OPT opt);
-- 
2.37.0