On 05/26/2011 02:50 PM, Andi Kleen wrote:
Josef Bacik jo...@redhat.com writes:
+
+newkey = kzalloc(sizeof(struct btrfs_key),
+ GFP_NOFS);
+if (!newkey)
+
On Thu, May 26, 2011 at 03:02:42PM -0400, Josef Bacik wrote:
+ /*
+ * If this dentry needs lookup, don't set the referenced flag so that it
+ * is more likely to be cleaned up by the dcache shrinker in case of
+ * memory pressure.
+ */
+ if
On 05/26/2011 04:03 PM, Andi Kleen wrote:
On Thu, May 26, 2011 at 03:02:42PM -0400, Josef Bacik wrote:
+/*
+ * If this dentry needs lookup, don't set the referenced flag so that it
+ * is more likely to be cleaned up by the dcache shrinker in case of
+ * memory pressure.
+
On May 26, 2011, at 14:03, Andi Kleen wrote:
On Thu, May 26, 2011 at 03:02:42PM -0400, Josef Bacik wrote:
+/*
+ * If this dentry needs lookup, don't set the referenced flag so that it
+ * is more likely to be cleaned up by the dcache shrinker in case of
+ * memory pressure.
+
In btrfs we have 2 indexes for inodes. One is for readdir, it's in this nice
sequential order and works out brilliantly for readdir. However if you use ls,
it usually stat's each file it gets from readdir. This is where the second
index comes in, which is based on a hash of the name of the
