diff options
Diffstat (limited to 'sys/ufs/ffs/ffs_alloc.c')
| -rw-r--r-- | sys/ufs/ffs/ffs_alloc.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c index cf1d953..cb5d45c 100644 --- a/sys/ufs/ffs/ffs_alloc.c +++ b/sys/ufs/ffs/ffs_alloc.c @@ -516,7 +516,13 @@ ffs_reallocblks_ufs1(ap) ip = VTOI(vp); fs = ip->i_fs; ump = ip->i_ump; - if (fs->fs_contigsumsize <= 0) + /* + * If we are not tracking block clusters or if we have less than 2% + * free blocks left, then do not attempt to cluster. Running with + * less than 5% free block reserve is not recommended and those that + * choose to do so do not expect to have good file layout. + */ + if (fs->fs_contigsumsize <= 0 || freespace(fs, 2) < 0) return (ENOSPC); buflist = ap->a_buflist; len = buflist->bs_nchildren; @@ -737,7 +743,13 @@ ffs_reallocblks_ufs2(ap) ip = VTOI(vp); fs = ip->i_fs; ump = ip->i_ump; - if (fs->fs_contigsumsize <= 0) + /* + * If we are not tracking block clusters or if we have less than 2% + * free blocks left, then do not attempt to cluster. Running with + * less than 5% free block reserve is not recommended and those that + * choose to do so do not expect to have good file layout. + */ + if (fs->fs_contigsumsize <= 0 || freespace(fs, 2) < 0) return (ENOSPC); buflist = ap->a_buflist; len = buflist->bs_nchildren; |
