2023-12-12 01:01:59

by Chao Yu

Subject: [PATCH v2 4/6] f2fs: don't set FI_PREALLOCATED_ALL for partial write

In f2fs_preallocate_blocks(), if it is partial write in 4KB, it's not
necessary to call f2fs_map_blocks() and set FI_PREALLOCATED_ALL flag.

Cc: Eric Biggers <[email protected]>
Signed-off-by: Chao Yu <[email protected]>
---
v2:
- clean up codes
fs/f2fs/file.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 79d5b64c109c..026d05a7edd8 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4567,7 +4567,8 @@ static int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *iter,
if (map.m_len > map.m_lblk)
map.m_len -= map.m_lblk;
else
- map.m_len = 0;
+ return 0;
+
map.m_may_create = true;
if (dio) {
map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint);
--
2.40.1

2023-12-14 20:51:01

by patchwork-bot+f2fs

Subject: Re: [f2fs-dev] [PATCH v2 4/6] f2fs: don't set FI_PREALLOCATED_ALL for partial write

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:

On Tue, 12 Dec 2023 09:01:20 +0800 you wrote:
> In f2fs_preallocate_blocks(), if it is partial write in 4KB, it's not
> necessary to call f2fs_map_blocks() and set FI_PREALLOCATED_ALL flag.
>
> Cc: Eric Biggers <[email protected]>
> Signed-off-by: Chao Yu <[email protected]>
> ---
> v2:
> - clean up codes
> fs/f2fs/file.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Here is the summary with links:
- [f2fs-dev,v2,4/6] f2fs: don't set FI_PREALLOCATED_ALL for partial write
https://git.kernel.org/jaegeuk/f2fs/c/394e7f4dbb32

You are awesome, thank you!
--
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