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f2fs: fix to check pinfile flag in f2fs_move_file_range()

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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>
This commit is contained in:
Chao Yu 2024-04-03 22:24:20 +08:00 committed by Jaegeuk Kim
parent 278a6253a6
commit e07230da05
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/file.c
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@ -2860,7 +2860,8 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
goto out;
}
if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) {
if (f2fs_compressed_file(src) || f2fs_compressed_file(dst) ||
f2fs_is_pinned_file(src) || f2fs_is_pinned_file(dst)) {
ret = -EOPNOTSUPP;
goto out_unlock;
}