The patch titled Subject: fs/affs/file.c: add support to O_DIRECT has been removed from the -mm tree. Its filename was fs-affs-filec-adding-support-to-o_direct.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Fabian Frederick <fabf@xxxxxxxxx> Subject: fs/affs/file.c: add support to O_DIRECT Based on ext2_direct_IO Tested with O_DIRECT file open and sysbench/mariadb with 1% written queries improvement (update_non_index test) on a volume created with mkaffs. Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/affs/file.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff -puN fs/affs/file.c~fs-affs-filec-adding-support-to-o_direct fs/affs/file.c --- a/fs/affs/file.c~fs-affs-filec-adding-support-to-o_direct +++ a/fs/affs/file.c @@ -12,6 +12,7 @@ * affs regular file handling primitives */ +#include <linux/aio.h> #include "affs.h" #if PAGE_SIZE < 4096 @@ -392,6 +393,22 @@ static void affs_write_failed(struct add } } +static ssize_t +affs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, + loff_t offset) +{ + struct file *file = iocb->ki_filp; + struct address_space *mapping = file->f_mapping; + struct inode *inode = mapping->host; + size_t count = iov_iter_count(iter); + ssize_t ret; + + ret = blockdev_direct_IO(rw, iocb, inode, iter, offset, affs_get_block); + if (ret < 0 && (rw & WRITE)) + affs_write_failed(mapping, offset + count); + return ret; +} + static int affs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) @@ -418,6 +435,7 @@ const struct address_space_operations af .writepage = affs_writepage, .write_begin = affs_write_begin, .write_end = generic_write_end, + .direct_IO = affs_direct_IO, .bmap = _affs_bmap }; _ Patches currently in -mm which might be from fabf@xxxxxxxxx are origin.patch fs-ext4-fsyncc-generic_file_fsync-call-based-on-barrier-flag.patch linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html