From be1fd82346d5f77df84e2029106706e48de911de Mon Sep 17 00:00:00 2001 From: Kirk McKusick Date: Mon, 30 Dec 2013 17:04:24 +0000 Subject: [PATCH] Fine tune filesystem block allocations under low free-space conditions (-r254995) based on further operational experience. Submitted by: Dmitry Sivachenko Fix Tested by: Dmitry Sivachenko MFC after: 2 weeks --- sys/ufs/ffs/ffs_alloc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c index 19e880c63541..76ead4185993 100644 --- a/sys/ufs/ffs/ffs_alloc.c +++ b/sys/ufs/ffs/ffs_alloc.c @@ -517,12 +517,12 @@ ffs_reallocblks_ufs1(ap) fs = ip->i_fs; ump = ip->i_ump; /* - * If we are not tracking block clusters or if we have less than 2% + * If we are not tracking block clusters or if we have less than 4% * 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) + if (fs->fs_contigsumsize <= 0 || freespace(fs, 4) < 0) return (ENOSPC); buflist = ap->a_buflist; len = buflist->bs_nchildren; @@ -744,12 +744,12 @@ ffs_reallocblks_ufs2(ap) fs = ip->i_fs; ump = ip->i_ump; /* - * If we are not tracking block clusters or if we have less than 2% + * If we are not tracking block clusters or if we have less than 4% * 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) + if (fs->fs_contigsumsize <= 0 || freespace(fs, 4) < 0) return (ENOSPC); buflist = ap->a_buflist; len = buflist->bs_nchildren;