[PATCH] nilfs2: fix a wrong type conversion in nilfs_ioctl()

[PATCH] nilfs2: fix a wrong type conversion in nilfs_ioctl()

[Li Hong]

(void * __user *) should be (void __user *)

Signed-off-by: Li Hong <lihong.hi@gmail.com>
---
 fs/nilfs2/ioctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 313d0a2..c446017 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -648,7 +648,7 @@ static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp,
 long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct inode *inode = filp->f_dentry->d_inode;
-	void __user *argp = (void * __user *)arg;
+	void __user *argp = (void __user *)arg;
 
 	switch (cmd) {
 	case NILFS_IOCTL_CHANGE_CPMODE:
-- 
1.6.3.3

Re: [PATCH] nilfs2: fix a wrong type conversion in nilfs_ioctl()

[Ryusuke Konishi]

On Wed, 31 Mar 2010 15:41:00 +0800, Li Hong <lihong.hi@gmail.com> wrote:
> (void * __user *) should be (void __user *)
> 
> Signed-off-by: Li Hong <lihong.hi@gmail.com>

Applied.  Thank you.

Ryusuke Konishi

> ---
>  fs/nilfs2/ioctl.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
> index 313d0a2..c446017 100644
> --- a/fs/nilfs2/ioctl.c
> +++ b/fs/nilfs2/ioctl.c
> @@ -648,7 +648,7 @@ static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp,
>  long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
>  {
>  	struct inode *inode = filp->f_dentry->d_inode;
> -	void __user *argp = (void * __user *)arg;
> +	void __user *argp = (void __user *)arg;
>  
>  	switch (cmd) {
>  	case NILFS_IOCTL_CHANGE_CPMODE:
> -- 
> 1.6.3.3
> 
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[PATCH 2/2] nilfs2: Combine nilfs_btree_release_path() and nilfs_btree_free_path()

[Li Hong]

nilfs_btree_release_path() and nilfs_btree_free_path() are bound into each other
tightly. Make them into one procedure to clearify the logic and avoid some
misusages.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
---
 fs/nilfs2/btree.c |   22 +++++-----------------
 1 files changed, 5 insertions(+), 17 deletions(-)

diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index bb31ab3..fa4b123 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -93,18 +93,14 @@ out:
 	return path;
 }
 
-static inline void nilfs_btree_free_path(struct nilfs_btree_path *path)
+static void nilfs_btree_free_path(struct nilfs_btree_path *path)
 {
-	kmem_cache_free(nilfs_btree_path_cache, path);
-}
-
-static void nilfs_btree_release_path(struct nilfs_btree_path *path)
-{
-	int level;
+	int level = NILFS_BTREE_LEVEL_DATA;
 
-	for (level = NILFS_BTREE_LEVEL_DATA; level < NILFS_BTREE_LEVEL_MAX;
-	     level++)
+	for (; level < NILFS_BTREE_LEVEL_MAX; level++)
 		brelse(path[level].bp_bh);
+
+	kmem_cache_free(nilfs_btree_path_cache, path);
 }
 
 /*
@@ -573,7 +569,6 @@ static int nilfs_btree_lookup(const struct nilfs_bmap *bmap,
 	if (ptrp != NULL)
 		*ptrp = ptr;
 
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -655,7 +650,6 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *bmap,
 	*ptrp = ptr;
 	ret = cnt;
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
@@ -1139,7 +1133,6 @@ static int nilfs_btree_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr)
 	nilfs_bmap_add_blocks(bmap, stats.bs_nblocks);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
@@ -1472,7 +1465,6 @@ static int nilfs_btree_delete(struct nilfs_bmap *bmap, __u64 key)
 	nilfs_bmap_sub_blocks(bmap, stats.bs_nblocks);
 
 out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
@@ -1490,7 +1482,6 @@ static int nilfs_btree_last_key(const struct nilfs_bmap *bmap, __u64 *keyp)
 
 	ret = nilfs_btree_do_lookup_last(btree, path, keyp, NULL);
 
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -1944,7 +1935,6 @@ static int nilfs_btree_propagate(const struct nilfs_bmap *bmap,
 		nilfs_btree_propagate_p(btree, path, level, bh);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -2126,7 +2116,6 @@ static int nilfs_btree_assign(struct nilfs_bmap *bmap,
 		nilfs_btree_assign_p(btree, path, level, bh, blocknr, binfo);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 
 	return ret;
@@ -2190,7 +2179,6 @@ static int nilfs_btree_mark(struct nilfs_bmap *bmap, __u64 key, int level)
 		nilfs_bmap_set_dirty(&btree->bt_bmap);
 
  out:
-	nilfs_btree_release_path(path);
 	nilfs_btree_free_path(path);
 	return ret;
 }
-- 
1.6.3.3