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| author |   Chao Yu <chao@kernel.org> | 2024-11-21 09:57:50 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2024-11-21 16:16:54 +0000 |
| commit | 3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343 (patch) | |
| tree | 018a2e518a0c38b1d9aa90260cc894eca42e3222 /scripts/lib/kdoc/kdoc_files.py | |
| parent | f2fs: print message if fscorrupted was found in f2fs_new_node_page() (diff) | |
| download | wireguard-linux-3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343.tar.xz wireguard-linux-3fc5d5a182f6a1f8bd4dc775feb54c369dd2c343.zip | |
f2fs: fix to shrink read extent node in batches
We use rwlock to protect core structure data of extent tree during
its shrink, however, if there is a huge number of extent nodes in
extent tree, during shrink of extent tree, it may hold rwlock for
a very long time, which may trigger kernel hang issue.
This patch fixes to shrink read extent node in batches, so that,
critical region of the rwlock can be shrunk to avoid its extreme
long time hold.
Reported-by: Xiuhong Wang <xiuhong.wang@unisoc.com>
Closes: https://lore.kernel.org/linux-f2fs-devel/20241112110627.1314632-1-xiuhong.wang@unisoc.com/
Signed-off-by: Xiuhong Wang <xiuhong.wang@unisoc.com>
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
0 files changed, 0 insertions, 0 deletions