From: Jaegeuk Kim jaegeuk@kernel.org
[ Upstream commit 99eabb914e0f870445d065e83e857507f9728a33 ]
This fixes the incorrect failure when enabling project quota on casefold-enabled file.
Cc: Daniel Rosenberg drosen@google.com Cc: kernel-team@android.com Reviewed-by: Chao Yu yuchao0@huawei.com Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/f2fs/file.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 0d4da644df3bc..a41c633ac6cfe 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1787,12 +1787,15 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id) static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) { struct f2fs_inode_info *fi = F2FS_I(inode); + u32 masked_flags = fi->i_flags & mask; + + f2fs_bug_on(F2FS_I_SB(inode), (iflags & ~mask));
/* Is it quota file? Do not allow user to mess with it */ if (IS_NOQUOTA(inode)) return -EPERM;
- if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) { + if ((iflags ^ masked_flags) & F2FS_CASEFOLD_FL) { if (!f2fs_sb_has_casefold(F2FS_I_SB(inode))) return -EOPNOTSUPP; if (!f2fs_empty_dir(inode)) @@ -1806,9 +1809,9 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) return -EINVAL; }
- if ((iflags ^ fi->i_flags) & F2FS_COMPR_FL) { + if ((iflags ^ masked_flags) & F2FS_COMPR_FL) { if (S_ISREG(inode->i_mode) && - (fi->i_flags & F2FS_COMPR_FL || i_size_read(inode) || + (masked_flags & F2FS_COMPR_FL || i_size_read(inode) || F2FS_HAS_BLOCKS(inode))) return -EINVAL; if (iflags & F2FS_NOCOMP_FL) @@ -1825,8 +1828,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) set_compress_context(inode); } } - if ((iflags ^ fi->i_flags) & F2FS_NOCOMP_FL) { - if (fi->i_flags & F2FS_COMPR_FL) + if ((iflags ^ masked_flags) & F2FS_NOCOMP_FL) { + if (masked_flags & F2FS_COMPR_FL) return -EINVAL; }