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authorChao Yu <chao@kernel.org>2024-08-07 18:24:35 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2024-08-21 00:56:28 +0000
commitebd3309aec6271c4616573b0cb83ea25e623070a (patch)
tree863cfa16f2863c4a83acc48458bcf4133ab5f43a
parenta4d7f2b3238fd5f76b9e6434a0bd5d2e29049cff (diff)
f2fs: atomic: fix to truncate pagecache before on-disk metadata truncation
We should always truncate pagecache while truncating on-disk data. Fixes: a46bebd502fe ("f2fs: synchronize atomic write aborts") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
-rw-r--r--fs/f2fs/file.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 73f70a7a2567..5fb8e4242c7a 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2195,6 +2195,10 @@ static int f2fs_ioc_start_atomic_write(struct file *filp, bool truncate)
F2FS_I(fi->cow_inode)->atomic_inode = inode;
} else {
/* Reuse the already created COW inode */
+ f2fs_bug_on(sbi, get_dirty_pages(fi->cow_inode));
+
+ invalidate_mapping_pages(fi->cow_inode->i_mapping, 0, -1);
+
ret = f2fs_do_truncate_blocks(fi->cow_inode, 0, true);
if (ret) {
f2fs_up_write(&fi->i_gc_rwsem[WRITE]);