* [PATCH] ext4: remove unused function ext4_ext_check_cache
@ 2012-09-12 13:52 Lukas Czerner
2012-09-12 17:17 ` Carlos Maiolino
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Lukas Czerner @ 2012-09-12 13:52 UTC (permalink / raw)
To: linux-ext4; +Cc: tytso, Lukas Czerner
Remove unused function ext4_ext_check_cache() and merge the code back to
the ext4_ext_in_cache().
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
fs/ext4/extents.c | 48 +++++++++---------------------------------------
1 files changed, 9 insertions(+), 39 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index aabbb3f..d635dd6 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2092,13 +2092,10 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
}
/*
- * ext4_ext_check_cache()
+ * ext4_ext_in_cache()
* Checks to see if the given block is in the cache.
* If it is, the cached extent is stored in the given
- * cache extent pointer. If the cached extent is a hole,
- * this routine should be used instead of
- * ext4_ext_in_cache if the calling function needs to
- * know the size of the hole.
+ * cache extent pointer.
*
* @inode: The files inode
* @block: The block to look for in the cache
@@ -2107,8 +2104,10 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
*
* Return 0 if cache is invalid; 1 if the cache is valid
*/
-static int ext4_ext_check_cache(struct inode *inode, ext4_lblk_t block,
- struct ext4_ext_cache *ex){
+static int
+ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
+ struct ext4_extent *ex)
+{
struct ext4_ext_cache *cex;
struct ext4_sb_info *sbi;
int ret = 0;
@@ -2125,7 +2124,9 @@ static int ext4_ext_check_cache(struct inode *inode, ext4_lblk_t block,
goto errout;
if (in_range(block, cex->ec_block, cex->ec_len)) {
- memcpy(ex, cex, sizeof(struct ext4_ext_cache));
+ ex->ee_block = cpu_to_le32(cex->ec_block);
+ ext4_ext_store_pblock(ex, cex->ec_start);
+ ex->ee_len = cpu_to_le16(cex->ec_len);
ext_debug("%u cached by %u:%u:%llu\n",
block,
cex->ec_block, cex->ec_len, cex->ec_start);
@@ -2138,37 +2139,6 @@ errout:
}
/*
- * ext4_ext_in_cache()
- * Checks to see if the given block is in the cache.
- * If it is, the cached extent is stored in the given
- * extent pointer.
- *
- * @inode: The files inode
- * @block: The block to look for in the cache
- * @ex: Pointer where the cached extent will be stored
- * if it contains block
- *
- * Return 0 if cache is invalid; 1 if the cache is valid
- */
-static int
-ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
- struct ext4_extent *ex)
-{
- struct ext4_ext_cache cex;
- int ret = 0;
-
- if (ext4_ext_check_cache(inode, block, &cex)) {
- ex->ee_block = cpu_to_le32(cex.ec_block);
- ext4_ext_store_pblock(ex, cex.ec_start);
- ex->ee_len = cpu_to_le16(cex.ec_len);
- ret = 1;
- }
-
- return ret;
-}
-
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] ext4: remove unused function ext4_ext_check_cache
2012-09-12 13:52 [PATCH] ext4: remove unused function ext4_ext_check_cache Lukas Czerner
@ 2012-09-12 17:17 ` Carlos Maiolino
2012-09-26 19:46 ` Lukáš Czerner
2012-09-27 1:08 ` Theodore Ts'o
2 siblings, 0 replies; 4+ messages in thread
From: Carlos Maiolino @ 2012-09-12 17:17 UTC (permalink / raw)
To: linux-ext4
On Wed, Sep 12, 2012 at 09:52:41AM -0400, Lukas Czerner wrote:
> Remove unused function ext4_ext_check_cache() and merge the code back to
> the ext4_ext_in_cache().
>
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
> ---
Looks good to me.
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
--
--Carlos
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ext4: remove unused function ext4_ext_check_cache
2012-09-12 13:52 [PATCH] ext4: remove unused function ext4_ext_check_cache Lukas Czerner
2012-09-12 17:17 ` Carlos Maiolino
@ 2012-09-26 19:46 ` Lukáš Czerner
2012-09-27 1:08 ` Theodore Ts'o
2 siblings, 0 replies; 4+ messages in thread
From: Lukáš Czerner @ 2012-09-26 19:46 UTC (permalink / raw)
To: Lukas Czerner; +Cc: linux-ext4, tytso
On Wed, 12 Sep 2012, Lukas Czerner wrote:
> Date: Wed, 12 Sep 2012 09:52:41 -0400
> From: Lukas Czerner <lczerner@redhat.com>
> To: linux-ext4@vger.kernel.org
> Cc: tytso@mit.edu, Lukas Czerner <lczerner@redhat.com>
> Subject: [PATCH] ext4: remove unused function ext4_ext_check_cache
>
> Remove unused function ext4_ext_check_cache() and merge the code back to
> the ext4_ext_in_cache().
ping
>
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
> ---
> fs/ext4/extents.c | 48 +++++++++---------------------------------------
> 1 files changed, 9 insertions(+), 39 deletions(-)
>
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index aabbb3f..d635dd6 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -2092,13 +2092,10 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
> }
>
> /*
> - * ext4_ext_check_cache()
> + * ext4_ext_in_cache()
> * Checks to see if the given block is in the cache.
> * If it is, the cached extent is stored in the given
> - * cache extent pointer. If the cached extent is a hole,
> - * this routine should be used instead of
> - * ext4_ext_in_cache if the calling function needs to
> - * know the size of the hole.
> + * cache extent pointer.
> *
> * @inode: The files inode
> * @block: The block to look for in the cache
> @@ -2107,8 +2104,10 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
> *
> * Return 0 if cache is invalid; 1 if the cache is valid
> */
> -static int ext4_ext_check_cache(struct inode *inode, ext4_lblk_t block,
> - struct ext4_ext_cache *ex){
> +static int
> +ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
> + struct ext4_extent *ex)
> +{
> struct ext4_ext_cache *cex;
> struct ext4_sb_info *sbi;
> int ret = 0;
> @@ -2125,7 +2124,9 @@ static int ext4_ext_check_cache(struct inode *inode, ext4_lblk_t block,
> goto errout;
>
> if (in_range(block, cex->ec_block, cex->ec_len)) {
> - memcpy(ex, cex, sizeof(struct ext4_ext_cache));
> + ex->ee_block = cpu_to_le32(cex->ec_block);
> + ext4_ext_store_pblock(ex, cex->ec_start);
> + ex->ee_len = cpu_to_le16(cex->ec_len);
> ext_debug("%u cached by %u:%u:%llu\n",
> block,
> cex->ec_block, cex->ec_len, cex->ec_start);
> @@ -2138,37 +2139,6 @@ errout:
> }
>
> /*
> - * ext4_ext_in_cache()
> - * Checks to see if the given block is in the cache.
> - * If it is, the cached extent is stored in the given
> - * extent pointer.
> - *
> - * @inode: The files inode
> - * @block: The block to look for in the cache
> - * @ex: Pointer where the cached extent will be stored
> - * if it contains block
> - *
> - * Return 0 if cache is invalid; 1 if the cache is valid
> - */
> -static int
> -ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
> - struct ext4_extent *ex)
> -{
> - struct ext4_ext_cache cex;
> - int ret = 0;
> -
> - if (ext4_ext_check_cache(inode, block, &cex)) {
> - ex->ee_block = cpu_to_le32(cex.ec_block);
> - ext4_ext_store_pblock(ex, cex.ec_start);
> - ex->ee_len = cpu_to_le16(cex.ec_len);
> - ret = 1;
> - }
> -
> - return ret;
> -}
> -
> -
> -/*
> * ext4_ext_rm_idx:
> * removes index from the index block.
> */
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ext4: remove unused function ext4_ext_check_cache
2012-09-12 13:52 [PATCH] ext4: remove unused function ext4_ext_check_cache Lukas Czerner
2012-09-12 17:17 ` Carlos Maiolino
2012-09-26 19:46 ` Lukáš Czerner
@ 2012-09-27 1:08 ` Theodore Ts'o
2 siblings, 0 replies; 4+ messages in thread
From: Theodore Ts'o @ 2012-09-27 1:08 UTC (permalink / raw)
To: Lukas Czerner; +Cc: linux-ext4
On Wed, Sep 12, 2012 at 09:52:41AM -0400, Lukas Czerner wrote:
> Remove unused function ext4_ext_check_cache() and merge the code back to
> the ext4_ext_in_cache().
>
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Applied, thanks!
- Ted
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-09-27 1:08 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-09-12 13:52 [PATCH] ext4: remove unused function ext4_ext_check_cache Lukas Czerner
2012-09-12 17:17 ` Carlos Maiolino
2012-09-26 19:46 ` Lukáš Czerner
2012-09-27 1:08 ` Theodore Ts'o
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).