linux-kernel - [PATCH] udf: stop using s

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Date:	Mon,  4 Jun 2012 14:46:24 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	Linux FS Maling List <linux-fsdevel@...r.kernel.org>,
	Linux Kernel Maling List <linux-kernel@...r.kernel.org>
Subject: [PATCH] udf: stop using s_dirt

From: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>

The UDF file-system does not need the 's_dirt' superblock flag because it does
not define the 'write_super()' method. This flag was set to 1 in few places and
set to 0 in '->sync_fs()' and was basically useless. Stop using it because it
is on its way out.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
---
 fs/udf/super.c   |    6 ------
 fs/udf/udfdecl.h |    1 -
 2 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/fs/udf/super.c b/fs/udf/super.c
index ac8a348..34e6b87 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1948,7 +1948,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	sb->s_op = &udf_sb_ops;
 	sb->s_export_op = &udf_export_ops;
 
-	sb->s_dirt = 0;
 	sb->s_magic = UDF_SUPER_MAGIC;
 	sb->s_time_gran = 1000;
 
@@ -2070,10 +2069,6 @@ void _udf_err(struct super_block *sb, const char *function,
 	struct va_format vaf;
 	va_list args;
 
-	/* mark sb error */
-	if (!(sb->s_flags & MS_RDONLY))
-		sb->s_dirt = 1;
-
 	va_start(args, fmt);
 
 	vaf.fmt = fmt;
@@ -2135,7 +2130,6 @@ static int udf_sync_fs(struct super_block *sb, int wait)
 		 * the buffer for IO
 		 */
 		mark_buffer_dirty(sbi->s_lvid_bh);
-		sb->s_dirt = 0;
 		sbi->s_lvid_dirty = 0;
 	}
 	mutex_unlock(&sbi->s_alloc_mutex);
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index ebe1031..de038da 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -129,7 +129,6 @@ static inline void udf_updated_lvid(struct super_block *sb)
 	WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
 		     bh->b_data)->integrityType !=
 		     cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
-	sb->s_dirt = 1;
 	UDF_SB(sb)->s_lvid_dirty = 1;
 }
 extern u64 lvid_get_unique_id(struct super_block *sb);
-- 
1.7.7.6

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