From: Eric Biggers <[email protected]> Add support for STATX_DIOALIGN to xfs, so that direct I/O alignment restrictions are exposed to userspace in a generic way.
Signed-off-by: Eric Biggers <[email protected]> --- fs/xfs/xfs_iops.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 29f5b8b8aca69a..bac3f56141801e 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -605,6 +605,15 @@ xfs_vn_getattr( stat->blksize = BLKDEV_IOSIZE; stat->rdev = inode->i_rdev; break; + case S_IFREG: + if (request_mask & STATX_DIOALIGN) { + struct xfs_buftarg *target = xfs_inode_buftarg(ip); + + stat->result_mask |= STATX_DIOALIGN; + stat->dio_mem_align = target->bt_logical_sectorsize; + stat->dio_offset_align = target->bt_logical_sectorsize; + } + fallthrough; default: stat->blksize = xfs_stat_blksize(ip); stat->rdev = 0; -- 2.37.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
