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Btrfs: Throttle less often waiting for snapshots to delete

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-08-01 13:11:41 -04:00
parent f87f057b49
commit 18e35e0ab3
2 changed files with 5 additions and 16 deletions
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14
fs/btrfs/transaction.c
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@ -211,11 +211,9 @@ static void throttle_on_drops(struct btrfs_root *root)
{
struct btrfs_fs_info *info = root->fs_info;
harder:
if (atomic_read(&info->throttles)) {
DEFINE_WAIT(wait);
int thr;
int harder_count = 0;
thr = atomic_read(&info->throttle_gen);
do {
@ -228,18 +226,6 @@ harder:
schedule();
finish_wait(&info->transaction_throttle, &wait);
} while (thr == atomic_read(&info->throttle_gen));
if (harder_count < 5 &&
info->total_ref_cache_size > 1 * 1024 * 1024) {
harder_count++;
goto harder;
}
if (harder_count < 10 &&
info->total_ref_cache_size > 5 * 1024 * 1024) {
harder_count++;
goto harder;
}
}
}