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f2fs: fix to initialize map.m_pblk in f2fs_precache_extents()

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[ Upstream commit 8b07c1fb0f1ad139373c8253f2fad8bc43fab07d ]

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: c4020b2da4 ("f2fs: support F2FS_IOC_PRECACHE_EXTENTS")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chao Yu
2023-10-07 15:45:52 +08:00
committed by Greg Kroah-Hartman
parent 758f735604
commit ebaf7a73f6
1 changed files with 1 additions and 0 deletions
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fs/f2fs/file.c
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@@ -3315,6 +3315,7 @@ 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;