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authorNeilBrown <neilb@suse.de>2006-06-26 00:27:47 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 09:58:38 -0700
commitacc55e220166a5ad898e66ad6153fd62eaaac76d (patch)
treec342dcd3303f01d97c5fe7718af9daf22ec086d2 /drivers/md/bitmap.c
parent0cdd02cabd86b5d547f882005e23a93929f0ace9 (diff)
downloadlinux-acc55e220166a5ad898e66ad6153fd62eaaac76d.tar.gz
[PATCH] md/bitmap: tidy up i_writecount handling in md/bitmap
md/bitmap modifies i_writecount of a bitmap file to make sure that no-one else
writes to it.  The reverting of the change is sometimes done twice, and there
is one error path where it is omitted.

This patch tidies that up.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/bitmap.c')
-rw-r--r--drivers/md/bitmap.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index dfe5e12741ba..e40d3e4b8d27 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -625,7 +625,6 @@ static void drain_write_queues(struct bitmap *bitmap)
 static void bitmap_file_put(struct bitmap *bitmap)
 {
 	struct file *file;
-	struct inode *inode;
 	unsigned long flags;
 
 	spin_lock_irqsave(&bitmap->lock, flags);
@@ -637,13 +636,8 @@ static void bitmap_file_put(struct bitmap *bitmap)
 
 	bitmap_file_unmap(bitmap);
 
-	if (file) {
-		inode = file->f_mapping->host;
-		spin_lock(&inode->i_lock);
-		atomic_set(&inode->i_writecount, 1); /* allow writes again */
-		spin_unlock(&inode->i_lock);
+	if (file)
 		fput(file);
-	}
 }