Messages in this thread Patch in this message | | | From | Eric Biggers <> | Subject | [PATCH v3 7/8] f2fs: simplify f2fs_force_buffered_io() | Date | Thu, 16 Jun 2022 13:15:05 -0700 |
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From: Eric Biggers <ebiggers@google.com>
f2fs only allows direct I/O that is aligned to the filesystem block size. Given that fact, simplify f2fs_force_buffered_io() by removing the redundant call to block_unaligned_IO().
This makes it easier to reuse this code for STATX_DIOALIGN.
Signed-off-by: Eric Biggers <ebiggers@google.com> --- fs/f2fs/file.c | 24 ++++-------------------- 1 file changed, 4 insertions(+), 20 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index ad0212848a1ab..1b452bb75af29 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -808,19 +808,7 @@ 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 inline bool f2fs_force_buffered_io(struct inode *inode, - struct kiocb *iocb, struct iov_iter *iter) +static bool f2fs_force_buffered_io(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); @@ -840,12 +828,8 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, */ if (f2fs_sb_has_blkzoned(sbi)) return true; - if (f2fs_lfs_mode(sbi)) { - if (block_unaligned_IO(inode, iocb, iter)) - return true; - if (F2FS_IO_ALIGNED(sbi)) - return true; - } + if (f2fs_lfs_mode(sbi) && F2FS_IO_ALIGNED(sbi)) + return true; if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED)) return true; @@ -4205,7 +4189,7 @@ static bool f2fs_should_use_dio(struct inode *inode, struct kiocb *iocb, if (!(iocb->ki_flags & IOCB_DIRECT)) return false; - if (f2fs_force_buffered_io(inode, iocb, iter)) + if (f2fs_force_buffered_io(inode)) return false; /* -- 2.36.1
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