[f2fs-dev] [PATCH] f2fs: let f2fs_precache_extents() traverses in file range

[f2fs-dev] [PATCH] f2fs: let f2fs_precache_extents() traverses in file range

[Chao Yu]

Rather than in range of [0, max_file_blocks()), since data after EOF
is alwasy zero, it's unnecessary to preload mapping info of the data.

Signed-off-by: Chao Yu <chao@kernel.org>
---
 fs/f2fs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 06d35b8aceef..304d0516d3a4 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3263,7 +3263,7 @@ int f2fs_precache_extents(struct inode *inode)
 	map.m_next_extent = &m_next_extent;
 	map.m_seg_type = NO_CHECK_TYPE;
 	map.m_may_create = false;
-	end = max_file_blocks(inode);
+	end = F2FS_BLK_ALIGN(i_size_read(inode));
 
 	while (map.m_lblk < end) {
 		map.m_len = end - map.m_lblk;
-- 
2.40.1



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Re: [f2fs-dev] [PATCH] f2fs: let f2fs_precache_extents() traverses in file range

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Tue, 10 Oct 2023 09:34:59 +0800 you wrote:
> Rather than in range of [0, max_file_blocks()), since data after EOF
> is alwasy zero, it's unnecessary to preload mapping info of the data.
> 
> Signed-off-by: Chao Yu <chao@kernel.org>
> ---
>  fs/f2fs/file.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - [f2fs-dev] f2fs: let f2fs_precache_extents() traverses in file range
    https://git.kernel.org/jaegeuk/f2fs/c/6f560c0f2aa0

You are awesome, thank you!
-- 
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