diff options
Diffstat (limited to 'fs/xfs/xfs_iops.c')
| -rw-r--r-- | fs/xfs/xfs_iops.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index ee79cf161312..5cd804812efd 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -570,6 +570,20 @@ xfs_stat_blksize( return max_t(uint32_t, PAGE_SIZE, mp->m_sb.sb_blocksize); } +static void +xfs_get_atomic_write_attr( + struct xfs_inode *ip, + unsigned int *unit_min, + unsigned int *unit_max) +{ + if (!xfs_inode_can_atomicwrite(ip)) { + *unit_min = *unit_max = 0; + return; + } + + *unit_min = *unit_max = ip->i_mount->m_sb.sb_blocksize; +} + STATIC int xfs_vn_getattr( struct mnt_idmap *idmap, @@ -643,6 +657,14 @@ 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) { + unsigned int unit_min, unit_max; + + xfs_get_atomic_write_attr(ip, &unit_min, + &unit_max); + generic_fill_statx_atomic_writes(stat, + unit_min, unit_max); + } fallthrough; default: stat->blksize = xfs_stat_blksize(ip); |