linux-kernel - [PATCH] staging: exfat: remove exfat_buf

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Message-ID: <20200223191623.GA20122@kaaira-HP-Pavilion-Notebook>
Date:   Mon, 24 Feb 2020 00:46:23 +0530
From:   Kaaira Gupta <kgupta@...iitr.ac.in>
To:     Valdis Kletnieks <valdis.kletnieks@...edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-fsdevel@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] staging: exfat: remove exfat_buf_sync()

exfat_buf_sync() is not called anywhere, hence remove it from
exfat_cache.c and exfat.h

Signed-off-by: Kaaira Gupta <kgupta@...iitr.ac.in>
---
 drivers/staging/exfat/exfat.h       |  1 -
 drivers/staging/exfat/exfat_cache.c | 19 -------------------
 2 files changed, 20 deletions(-)

diff --git a/drivers/staging/exfat/exfat.h b/drivers/staging/exfat/exfat.h
index e36d01b6fdc9..1867d47d2394 100644
--- a/drivers/staging/exfat/exfat.h
+++ b/drivers/staging/exfat/exfat.h
@@ -653,7 +653,6 @@ void exfat_buf_lock(struct super_block *sb, sector_t sec);
 void exfat_buf_unlock(struct super_block *sb, sector_t sec);
 void exfat_buf_release(struct super_block *sb, sector_t sec);
 void exfat_buf_release_all(struct super_block *sb);
-void exfat_buf_sync(struct super_block *sb);
 
 /* fs management functions */
 void fs_set_vol_flags(struct super_block *sb, u32 new_flag);
diff --git a/drivers/staging/exfat/exfat_cache.c b/drivers/staging/exfat/exfat_cache.c
index 790ea4df9c00..87d019972050 100644
--- a/drivers/staging/exfat/exfat_cache.c
+++ b/drivers/staging/exfat/exfat_cache.c
@@ -515,22 +515,3 @@ void exfat_buf_release_all(struct super_block *sb)
 
 	mutex_unlock(&b_mutex);
 }
-
-void exfat_buf_sync(struct super_block *sb)
-{
-	struct buf_cache_t *bp;
-	struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
-
-	mutex_lock(&b_mutex);
-
-	bp = p_fs->buf_cache_lru_list.next;
-	while (bp != &p_fs->buf_cache_lru_list) {
-		if ((bp->drv == p_fs->drv) && (bp->flag & DIRTYBIT)) {
-			sync_dirty_buffer(bp->buf_bh);
-			bp->flag &= ~(DIRTYBIT);
-		}
-		bp = bp->next;
-	}
-
-	mutex_unlock(&b_mutex);
-}
-- 
2.17.1