On 2019-1-24 20:57, zhengliang wrote: > > The following race could lead to data block override node segment by mistake. > > Task A | Task B | Task C | Task D > ======= | ======== |========== | ========= > open file | | | > white file | | | > submit bio | | | > wait io complete | | | > | remove file | | > ........ | iput_final | | > | | sync | > | | do checkpoint | > | | data segment free | > | | | create file1 > | | | allocate node > segment（if it is the same segment freed by Task C） > f2fs_write_end_io | | | > > > So we need to guarantee io complete before truncate inode > in f2fs_drop_inode. > > v1->v2: It don't need to pass @ino in f2fs_submit_merged_write_cond . > > Signed-off-by: Zheng Liang <zhenglia...@huawei.com>
Reviewed-by: Chao Yu <yuch...@huawei.com> Thanks, _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
