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f2fs: fix to check pinfile flag in f2fs_move_file_range()
[ Upstream commite07230da05
] ioctl(F2FS_IOC_MOVE_RANGE) can truncate or punch hole on pinned file, fix to disallow it. Fixes:5fed0be858
("f2fs: do not allow partial truncation on pinned file") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 2 additions and 1 deletions
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@ -2835,7 +2835,8 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
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goto out;
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}
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if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) {
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if (f2fs_compressed_file(src) || f2fs_compressed_file(dst) ||
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f2fs_is_pinned_file(src) || f2fs_is_pinned_file(dst)) {
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ret = -EOPNOTSUPP;
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goto out_unlock;
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}
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