2023-10-07 07:46:35

by Chao Yu

[permalink] [raw]
Subject: [PATCH] f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()

Otherwise, it may print random physical block address in tracepoint
of f2fs_map_blocks() as below:

f2fs_map_blocks: dev = (253,16), ino = 2297, file offset = 0, start blkaddr = 0xa356c421, len = 0x0, flags = 0

Fixes: c4020b2da4c9 ("f2fs: support F2FS_IOC_PRECACHE_EXTENTS")
Signed-off-by: Chao Yu <[email protected]>
---
fs/f2fs/file.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5d726cbc4f0b..cfb199f9af0d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3261,6 +3261,7 @@ int f2fs_precache_extents(struct inode *inode)
return -EOPNOTSUPP;

map.m_lblk = 0;
+ map.m_pblk = 0;
map.m_next_pgofs = NULL;
map.m_next_extent = &m_next_extent;
map.m_seg_type = NO_CHECK_TYPE;
--
2.40.1


2023-10-23 15:31:22

by patchwork-bot+f2fs

[permalink] [raw]
Subject: Re: [f2fs-dev] [PATCH] f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()

Hello:

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

On Sat, 7 Oct 2023 15:45:52 +0800 you wrote:
> Otherwise, it may print random physical block address in tracepoint
> of f2fs_map_blocks() as below:
>
> f2fs_map_blocks: dev = (253,16), ino = 2297, file offset = 0, start blkaddr = 0xa356c421, len = 0x0, flags = 0
>
> Fixes: c4020b2da4c9 ("f2fs: support F2FS_IOC_PRECACHE_EXTENTS")
> Signed-off-by: Chao Yu <[email protected]>
>
> [...]

Here is the summary with links:
- [f2fs-dev] f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()
https://git.kernel.org/jaegeuk/f2fs/c/8b07c1fb0f1a

You are awesome, thank you!
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