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xfs: Fix xfs_flush_unmap_range() range for RT

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Currently xfs_flush_unmap_range() does unmap for a full RT extent range,
which we also want to ensure is clean and idle.

This code change is originally from Dave Chinner.

Reviewed-by: Christoph Hellwig <hch@lst.de>4
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
This commit is contained in:
John Garry 2024-05-28 17:15:09 +00:00 committed by Chandan Babu R
parent d40c2865bd
commit d3b689d7c7
1 changed files with 8 additions and 4 deletions
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12
fs/xfs/xfs_bmap_util.c
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@ -808,14 +808,18 @@ xfs_flush_unmap_range(
xfs_off_t offset,
xfs_off_t len)
{
struct xfs_mount *mp = ip->i_mount;
struct inode *inode = VFS_I(ip);
xfs_off_t rounding, start, end;
int error;
rounding = max_t(xfs_off_t, mp->m_sb.sb_blocksize, PAGE_SIZE);
start = round_down(offset, rounding);
end = round_up(offset + len, rounding) - 1;
/*
* Make sure we extend the flush out to extent alignment
* boundaries so any extent range overlapping the start/end
* of the modification we are about to do is clean and idle.
*/
rounding = max_t(xfs_off_t, xfs_inode_alloc_unitsize(ip), PAGE_SIZE);
start = rounddown_64(offset, rounding);
end = roundup_64(offset + len, rounding) - 1;
error = filemap_write_and_wait_range(inode->i_mapping, start, end);
if (error)