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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-01-03 18:39:33 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-01-03 18:39:33 -0800 |
| commit | 20e73b000bcded44a91b79429d8fa743247602ad (patch) | |
| tree | f17ee4602050d1c97d03527b97addcbb35b48810 /fs/xfs/xfs_fsops.c | |
| parent | 7a21272b088894070391a94fdd1c67014020fa1d (diff) | |
| download | linux-20e73b000bcded44a91b79429d8fa743247602ad.tar.bz2 | |
xfs: use the actual AG length when reserving blocks
We need to use the actual AG length when making per-AG reservations,
since we could otherwise end up reserving more blocks out of the last
AG than there are actual blocks.
Complained-about-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
| -rw-r--r-- | fs/xfs/xfs_fsops.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 93d12fa2670d..242e8091296d 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -631,6 +631,20 @@ xfs_growfs_data_private( xfs_set_low_space_thresholds(mp); mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); + /* + * If we expanded the last AG, free the per-AG reservation + * so we can reinitialize it with the new size. + */ + if (new) { + struct xfs_perag *pag; + + pag = xfs_perag_get(mp, agno); + error = xfs_ag_resv_free(pag); + xfs_perag_put(pag); + if (error) + goto out; + } + /* Reserve AG metadata blocks. */ error = xfs_fs_reserve_ag_blocks(mp); if (error && error != -ENOSPC) |