On 07/28, Chao Yu wrote: > On 2019-7-24 7:05, Daniel Rosenberg via Linux-f2fs-devel wrote: > > /* Flags that are appropriate for regular files (all but dir-specific ones). */ > > #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL)) > > We missed to add F2FS_CASEFOLD_FL here to exclude it in F2FS_REG_FLMASK. Applied. > > > @@ -1660,7 +1660,16 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) > > return -EPERM; > > > > oldflags = fi->i_flags; > > + if ((iflags ^ oldflags) & F2FS_CASEFOLD_FL) { > > + if (!f2fs_sb_has_casefold(F2FS_I_SB(inode))) > > + return -EOPNOTSUPP; > > + > > + if (!S_ISDIR(inode->i_mode)) > > + return -ENOTDIR; > > > > + if (!f2fs_empty_dir(inode)) > > + return -ENOTEMPTY; > > + } Modified like this: @@ -1665,6 +1665,13 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) if (IS_NOQUOTA(inode)) return -EPERM; + if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) { + if (!f2fs_sb_has_casefold(F2FS_I_SB(inode))) + return -EOPNOTSUPP; + if (!f2fs_empty_dir(inode)) + return -ENOTEMPTY; + } + Note that, directory is checked by above change. I've uploaded in f2fs.git, so could you check it out and test a bit? Thanks, > > I applied the patches based on last Jaegeuk's dev branch, it seems we needs to > adjust above code a bit. Otherwise it looks good to me. > > BTW, it looks the patchset works fine with generic/556 testcase. > > Thanks,