Messages in this thread Patch in this message | | | From | John Garry <> | Subject | [PATCH RFC 03/16] xfs: Support atomic write for statx | Date | Wed, 3 May 2023 18:38:08 +0000 |
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Support providing info on atomic write unit min and max.
Darrick Wong originally authored this change.
Signed-off-by: John Garry <john.g.garry@oracle.com> --- fs/xfs/xfs_iops.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 24718adb3c16..e542077704aa 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -614,6 +614,16 @@ xfs_vn_getattr( stat->dio_mem_align = bdev_dma_alignment(bdev) + 1; stat->dio_offset_align = bdev_logical_block_size(bdev); } + if (request_mask & STATX_WRITE_ATOMIC) { + struct xfs_buftarg *target = xfs_inode_buftarg(ip); + struct block_device *bdev = target->bt_bdev; + + stat->atomic_write_unit_min = queue_atomic_write_unit_min(bdev->bd_queue); + stat->atomic_write_unit_max = queue_atomic_write_unit_max(bdev->bd_queue); + stat->attributes |= STATX_ATTR_WRITE_ATOMIC; + stat->attributes_mask |= STATX_ATTR_WRITE_ATOMIC; + stat->result_mask |= STATX_WRITE_ATOMIC; + } fallthrough; default: stat->blksize = xfs_stat_blksize(ip); -- 2.31.1
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