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| author | mckusick <mckusick@FreeBSD.org> | 2013-12-30 17:04:24 +0000 |
|---|---|---|
| committer | mckusick <mckusick@FreeBSD.org> | 2013-12-30 17:04:24 +0000 |
| commit | 88a7200f04d7bb25b9ad437bf46f9c9000c860ca (patch) | |
| tree | 29850ee3fd0e12ede934b438e583572394c73bd0 /sys/ufs | |
| parent | fc1c5282ff8142281e82d4757310ab01176cf70b (diff) | |
| download | FreeBSD-src-88a7200f04d7bb25b9ad437bf46f9c9000c860ca.zip FreeBSD-src-88a7200f04d7bb25b9ad437bf46f9c9000c860ca.tar.gz | |
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
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ffs/ffs_alloc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c index 19e880c..76ead41 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; |
