mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

xfs: adjust the incore perag block_count when shrinking 

If we reduce the number of blocks in an AG, we must update the incore
geometry values as well.

Fixes: 0800169e3e ("xfs: Pre-calculate per-AG agbno geometry")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2023-10-11 12:35:20 -07:00
parent 94f6f0550c
commit 6868b8505c
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/xfs/libxfs/xfs_ag.c
View File

@ -1001,6 +1001,12 @@ xfs_ag_shrink_space(
error = -ENOSPC;
goto resv_init_out;
}
/* Update perag geometry */
pag->block_count -= delta;
__xfs_agino_range(pag->pag_mount, pag->block_count, &pag->agino_min,
&pag->agino_max);
xfs_ialloc_log_agi(*tpp, agibp, XFS_AGI_LENGTH);
xfs_alloc_log_agf(*tpp, agfbp, XFS_AGF_LENGTH);
return 0;