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| author | Liu Bo <liubo2009@cn.fujitsu.com> | 2012-02-23 10:49:04 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2012-02-23 10:49:04 -0500 |
| commit | 5500cdbe14d7435e04f66ff3cfb8ecd8b8e44ebf (patch) | |
| tree | e09399d4a56fcbad38765fd24c7c6e8782f438de /fs/btrfs/extent-tree.c | |
| parent | 506531905296d6aee84480c879b25ea98c3f9db6 (diff) | |
| download | blackbird-op-linux-5500cdbe14d7435e04f66ff3cfb8ecd8b8e44ebf.tar.gz blackbird-op-linux-5500cdbe14d7435e04f66ff3cfb8ecd8b8e44ebf.zip | |
Btrfs: increase the global block reserve estimates
When doing IO with large amounts of data fragmentation, the global block
reserve calulations are too low. This increases them to avoid
ENOSPC crashes.
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index dc083f55bcfd..079e5a1c343c 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4108,7 +4108,7 @@ static u64 calc_global_metadata_size(struct btrfs_fs_info *fs_info) num_bytes += div64_u64(data_used + meta_used, 50); if (num_bytes * 3 > meta_used) - num_bytes = div64_u64(meta_used, 3); + num_bytes = div64_u64(meta_used, 3) * 2; return ALIGN(num_bytes, fs_info->extent_root->leafsize << 10); } |
