[PATCH] ext4: delete unused mapping variable

[PATCH] ext4: delete unused mapping variable

[Paul Gortmaker]

The code refactoring in commit "ext4: refactor punch hole code"
left behind a now unused variable, causing:

fs/ext4/inode.c: In function ‘ext4_punch_hole’:
fs/ext4/inode.c:3495:24: warning: unused variable ‘mapping’ [-Wunused-variable]

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---

[Feel free to also fold this trivial change back into the original
punch hole commit on the dev branch]

 fs/ext4/inode.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 4411130..2644679 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3492,7 +3492,6 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	ext4_lblk_t first_block, stop_block;
-	struct address_space *mapping = inode->i_mapping;
 	loff_t first_block_offset, last_block_offset;
 	handle_t *handle;
 	unsigned int credits;
-- 
1.8.1.2

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Re: [PATCH] ext4: delete unused mapping variable

[Theodore Ts'o]

On Thu, Jun 13, 2013 at 09:48:18AM -0400, Paul Gortmaker wrote:
> The code refactoring in commit "ext4: refactor punch hole code"
> left behind a now unused variable, causing:
> 
> fs/ext4/inode.c: In function ‘ext4_punch_hole’:
> fs/ext4/inode.c:3495:24: warning: unused variable ‘mapping’ [-Wunused-variable]
> 
> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

Thanks, I had actually noticed this already, but I had pushed out the
wrong version to the dev branch.

				- Ted
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