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authorChris Mason <chris.mason@oracle.com>2008-07-29 16:15:18 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:05 -0400
commitab78c84de1ce4db1b2a2cef361625ad80abbab3f (patch)
treea9726645832b50da1da9a9690c4200c0f198ce7d /fs/btrfs/inode.c
parent1a3f5d0400d786aec41ede15fec5710ad1a1d18b (diff)
Btrfs: Throttle operations if the reference cache gets too large
A large reference cache is directly related to a lot of work pending for the cleaner thread. This throttles back new operations based on the size of the reference cache so the cleaner thread will be able to keep up. Overall, this actually makes the FS faster because the cleaner thread will be more likely to find things in cache. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4f977ea5497e..7c87f863d6f7 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2482,7 +2482,7 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
2482 btrfs_update_inode_block_group(trans, dir); 2482 btrfs_update_inode_block_group(trans, dir);
2483out_unlock: 2483out_unlock:
2484 nr = trans->blocks_used; 2484 nr = trans->blocks_used;
2485 btrfs_end_transaction(trans, root); 2485 btrfs_end_transaction_throttle(trans, root);
2486fail: 2486fail:
2487 if (drop_inode) { 2487 if (drop_inode) {
2488 inode_dec_link_count(inode); 2488 inode_dec_link_count(inode);
@@ -2535,7 +2535,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
2535 drop_inode = 1; 2535 drop_inode = 1;
2536 2536
2537 nr = trans->blocks_used; 2537 nr = trans->blocks_used;
2538 btrfs_end_transaction(trans, root); 2538 btrfs_end_transaction_throttle(trans, root);
2539fail: 2539fail:
2540 if (drop_inode) { 2540 if (drop_inode) {
2541 inode_dec_link_count(inode); 2541 inode_dec_link_count(inode);
@@ -2609,7 +2609,7 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
2609 2609
2610out_fail: 2610out_fail:
2611 nr = trans->blocks_used; 2611 nr = trans->blocks_used;
2612 btrfs_end_transaction(trans, root); 2612 btrfs_end_transaction_throttle(trans, root);
2613 2613
2614out_unlock: 2614out_unlock:
2615 if (drop_on_err) 2615 if (drop_on_err)
@@ -3434,7 +3434,7 @@ static int btrfs_rename(struct inode * old_dir, struct dentry *old_dentry,
3434 goto out_fail; 3434 goto out_fail;
3435 3435
3436out_fail: 3436out_fail:
3437 btrfs_end_transaction(trans, root); 3437 btrfs_end_transaction_throttle(trans, root);
3438out_unlock: 3438out_unlock:
3439 return ret; 3439 return ret;
3440} 3440}
@@ -3548,7 +3548,7 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
3548 3548
3549out_unlock: 3549out_unlock:
3550 nr = trans->blocks_used; 3550 nr = trans->blocks_used;
3551 btrfs_end_transaction(trans, root); 3551 btrfs_end_transaction_throttle(trans, root);
3552out_fail: 3552out_fail:
3553 if (drop_inode) { 3553 if (drop_inode) {
3554 inode_dec_link_count(inode); 3554 inode_dec_link_count(inode);