linux-kernel - [PATCH 2/2] fs/ntfs3: Rename variables and add comment

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Message-ID: <69396296-95d3-9c85-35ff-530e2a84066a@paragon-software.com>
Date:   Fri, 23 Sep 2022 15:04:11 +0300
From:   Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
To:     <ntfs3@...ts.linux.dev>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>
Subject: [PATCH 2/2] fs/ntfs3: Rename variables and add comment

After renaming we don't need to split code in two lines.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
---
  fs/ntfs3/frecord.c |  1 +
  fs/ntfs3/fslog.c   | 24 +++++++++++-------------
  2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index b752d83cf460..179b06762bdb 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -3265,6 +3265,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint)
  			modified = true;
  		}
  
+		/* std attribute is always in primary MFT record. */
  		if (modified)
  			ni->mi.dirty = true;
  
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index e7c494005122..200e22b7871d 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -3048,7 +3048,7 @@ static int do_action(struct ntfs_log *log, struct OPEN_ATTR_ENRTY *oe,
  	struct NEW_ATTRIBUTE_SIZES *new_sz;
  	struct ATTR_FILE_NAME *fname;
  	struct OpenAttr *oa, *oa2;
-	u32 nsize, t32, asize, used, esize, bmp_off, bmp_bits;
+	u32 nsize, t32, asize, used, esize, off, bits;
  	u16 id, id2;
  	u32 record_size = sbi->record_size;
  	u64 t64;
@@ -3635,30 +3635,28 @@ static int do_action(struct ntfs_log *log, struct OPEN_ATTR_ENRTY *oe,
  		break;
  
  	case SetBitsInNonresidentBitMap:
-		bmp_off =
-			le32_to_cpu(((struct BITMAP_RANGE *)data)->bitmap_off);
-		bmp_bits = le32_to_cpu(((struct BITMAP_RANGE *)data)->bits);
+		off = le32_to_cpu(((struct BITMAP_RANGE *)data)->bitmap_off);
+		bits = le32_to_cpu(((struct BITMAP_RANGE *)data)->bits);
  
-		if (cbo + (bmp_off + 7) / 8 > lco ||
-		    cbo + ((bmp_off + bmp_bits + 7) / 8) > lco) {
+		if (cbo + (off + 7) / 8 > lco ||
+		    cbo + ((off + bits + 7) / 8) > lco) {
  			goto dirty_vol;
  		}
  
-		__bitmap_set(Add2Ptr(buffer_le, roff), bmp_off, bmp_bits);
+		__bitmap_set(Add2Ptr(buffer_le, roff), off, bits);
  		a_dirty = true;
  		break;
  
  	case ClearBitsInNonresidentBitMap:
-		bmp_off =
-			le32_to_cpu(((struct BITMAP_RANGE *)data)->bitmap_off);
-		bmp_bits = le32_to_cpu(((struct BITMAP_RANGE *)data)->bits);
+		off = le32_to_cpu(((struct BITMAP_RANGE *)data)->bitmap_off);
+		bits = le32_to_cpu(((struct BITMAP_RANGE *)data)->bits);
  
-		if (cbo + (bmp_off + 7) / 8 > lco ||
-		    cbo + ((bmp_off + bmp_bits + 7) / 8) > lco) {
+		if (cbo + (off + 7) / 8 > lco ||
+		    cbo + ((off + bits + 7) / 8) > lco) {
  			goto dirty_vol;
  		}
  
-		__bitmap_clear(Add2Ptr(buffer_le, roff), bmp_off, bmp_bits);
+		__bitmap_clear(Add2Ptr(buffer_le, roff), off, bits);
  		a_dirty = true;
  		break;
  
-- 
2.37.0