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Date: Mon, 29 Aug 2022 10:37:15 -0700 From: Jaegeuk Kim <jaegeuk@...nel.org> To: Eric Biggers <ebiggers@...nel.org> Cc: linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-xfs@...r.kernel.org, linux-api@...r.kernel.org, linux-fscrypt@...r.kernel.org, linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, Keith Busch <kbusch@...nel.org> Subject: Re: [PATCH v5 5/8] f2fs: move f2fs_force_buffered_io() into file.c On 08/26, Eric Biggers wrote: > From: Eric Biggers <ebiggers@...gle.com> > > f2fs_force_buffered_io() is only used in file.c, so move it into there. > No behavior change. This makes it easier to review later patches. > > Signed-off-by: Eric Biggers <ebiggers@...gle.com> Acked-by: Jaegeuk Kim <jaegeuk@...nel.org> > --- > fs/f2fs/f2fs.h | 40 ---------------------------------------- > fs/f2fs/file.c | 40 ++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 40 insertions(+), 40 deletions(-) > > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h > index 0759da1919f4ad..aea816a133a8f1 100644 > --- a/fs/f2fs/f2fs.h > +++ b/fs/f2fs/f2fs.h > @@ -4471,17 +4471,6 @@ static inline void f2fs_i_compr_blocks_update(struct inode *inode, > f2fs_mark_inode_dirty_sync(inode, true); > } > > -static inline int block_unaligned_IO(struct inode *inode, > - struct kiocb *iocb, struct iov_iter *iter) > -{ > - unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); > - unsigned int blocksize_mask = (1 << i_blkbits) - 1; > - loff_t offset = iocb->ki_pos; > - unsigned long align = offset | iov_iter_alignment(iter); > - > - return align & blocksize_mask; > -} > - > static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi, > int flag) > { > @@ -4492,35 +4481,6 @@ static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi, > return sbi->aligned_blksize; > } > > -static inline bool f2fs_force_buffered_io(struct inode *inode, > - struct kiocb *iocb, struct iov_iter *iter) > -{ > - struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > - int rw = iov_iter_rw(iter); > - > - if (!fscrypt_dio_supported(inode)) > - return true; > - if (fsverity_active(inode)) > - return true; > - if (f2fs_compressed_file(inode)) > - return true; > - > - /* disallow direct IO if any of devices has unaligned blksize */ > - if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize) > - return true; > - > - if (f2fs_lfs_mode(sbi) && (rw == WRITE)) { > - if (block_unaligned_IO(inode, iocb, iter)) > - return true; > - if (F2FS_IO_ALIGNED(sbi)) > - return true; > - } > - if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED)) > - return true; > - > - return false; > -} > - > static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx) > { > return fsverity_active(inode) && > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c > index ce4905a073b3c4..8a9455bf956f16 100644 > --- a/fs/f2fs/file.c > +++ b/fs/f2fs/file.c > @@ -808,6 +808,46 @@ int f2fs_truncate(struct inode *inode) > return 0; > } > > +static int block_unaligned_IO(struct inode *inode, struct kiocb *iocb, > + struct iov_iter *iter) > +{ > + unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); > + unsigned int blocksize_mask = (1 << i_blkbits) - 1; > + loff_t offset = iocb->ki_pos; > + unsigned long align = offset | iov_iter_alignment(iter); > + > + return align & blocksize_mask; > +} > + > +static bool f2fs_force_buffered_io(struct inode *inode, > + struct kiocb *iocb, struct iov_iter *iter) > +{ > + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > + int rw = iov_iter_rw(iter); > + > + if (!fscrypt_dio_supported(inode)) > + return true; > + if (fsverity_active(inode)) > + return true; > + if (f2fs_compressed_file(inode)) > + return true; > + > + /* disallow direct IO if any of devices has unaligned blksize */ > + if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize) > + return true; > + > + if (f2fs_lfs_mode(sbi) && (rw == WRITE)) { > + if (block_unaligned_IO(inode, iocb, iter)) > + return true; > + if (F2FS_IO_ALIGNED(sbi)) > + return true; > + } > + if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED)) > + return true; > + > + return false; > +} > + > int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path, > struct kstat *stat, u32 request_mask, unsigned int query_flags) > { > -- > 2.37.2
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