diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc.c | 3 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 18 |
2 files changed, 11 insertions, 10 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 925eba9489d5..84866c195bfc 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2116,7 +2116,8 @@ xfs_alloc_longest_free_extent( * reservations and AGFL rules in place, we can return this extent. */ if (pag->pagf_longest > delta) - return pag->pagf_longest - delta; + return min_t(xfs_extlen_t, pag->pag_mount->m_ag_max_usable, + pag->pagf_longest - delta); /* Otherwise, let the caller try for 1 block if there's space. */ return pag->pagf_flcount > 0 || pag->pagf_longest > 0; diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index ef75e223cb70..3b300b518f69 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3501,13 +3501,11 @@ xfs_bmap_btalloc( args.mod = args.prod - args.mod; } /* - * If we are not low on available data blocks, and the - * underlying logical volume manager is a stripe, and - * the file offset is zero then try to allocate data - * blocks on stripe unit boundary. - * NOTE: ap->aeof is only set if the allocation length - * is >= the stripe unit and the allocation offset is - * at the end of file. + * If we are not low on available data blocks, and the underlying + * logical volume manager is a stripe, and the file offset is zero then + * try to allocate data blocks on stripe unit boundary. NOTE: ap->aeof + * is only set if the allocation length is >= the stripe unit and the + * allocation offset is at the end of file. */ if (!(ap->tp->t_flags & XFS_TRANS_LOWMODE) && ap->aeof) { if (!ap->offset) { @@ -3515,9 +3513,11 @@ xfs_bmap_btalloc( atype = args.type; isaligned = 1; /* - * Adjust for alignment + * Adjust minlen to try and preserve alignment if we + * can't guarantee an aligned maxlen extent. */ - if (blen > args.alignment && blen <= args.maxlen) + if (blen > args.alignment && + blen <= args.maxlen + args.alignment) args.minlen = blen - args.alignment; args.minalignslop = 0; } else { |