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| author | Josef Bacik <josef@redhat.com> | 2011-10-05 16:35:28 -0400 |
|---|---|---|
| committer | Josef Bacik <josef@redhat.com> | 2011-10-19 15:12:53 -0400 |
| commit | 9a82ca659d8bfd99afc0e89bbde2202322df5755 (patch) | |
| tree | 965b34fb6e1133d3a198954aa1d97ede017f993a /fs/btrfs/extent-tree.c | |
| parent | 549b4fdb8f3c0708bbc0ee12ff955cd206c0f60c (diff) | |
| download | lwn-9a82ca659d8bfd99afc0e89bbde2202322df5755.tar.gz lwn-9a82ca659d8bfd99afc0e89bbde2202322df5755.zip | |
Btrfs: take overflow into account in reserving space
My overcommit stuff can be a little racy when we're filling up the disk with
fs_mark and we overcommit into things that quickly get used up for data. So use
num_bytes to see if we have enough available space so we're less likely to
overcommit ourselves out of the ability to make reservations. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.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 f9711a82fc54..f95e55083bdb 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3521,7 +3521,7 @@ again: avail >>= 1; spin_unlock(&root->fs_info->free_chunk_lock); - if (used + orig_bytes < space_info->total_bytes + avail) { + if (used + num_bytes < space_info->total_bytes + avail) { space_info->bytes_may_use += orig_bytes; ret = 0; } |