Displaying 4 results from an estimated 4 matches for "bin_search".
2011 Jan 28
0
[PATCH] ctree code cleanups
The following has been done as a part of cleanup -
o Eliminated bin_search() by replacing with btrfs_bin_search()
o Eliminated unused return value in fixup_low_keys()
o Eliminated additional variable (sret) in setup_nodes_for_search()
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.de>
---
ctree.c | 71 ++++++++++++++++++------------------------------------------...
2013 Aug 29
23
[PATCH] Btrfs: optimize key searches in btrfs_search_slot
...int *slot)
+{
+ unsigned long eb_offset = 0;
+ unsigned long len_left = b->len;
+ char *kaddr = NULL;
+ unsigned long map_start = 0;
+ unsigned long map_len = 0;
+ unsigned long offset;
+ struct btrfs_disk_key *k = NULL;
+ struct btrfs_disk_key unaligned;
+
+ if (*prev_cmp != 0) {
+ *prev_cmp = bin_search(b, key, level, slot);
+ return *prev_cmp;
+ }
+
+ if (level == 0)
+ offset = offsetof(struct btrfs_leaf, items);
+ else
+ offset = offsetof(struct btrfs_node, ptrs);
+
+ /*
+ * Map the entire extent buffer, otherwise callers can''t access
+ * all keys/items of the leaf/node. Specially...
2010 Mar 02
3
2.6.33 high cpu usage
With the ATI bug I was hitting earlier fixed, only my btrfs partition
continues to show high cpu usage for some operations.
Rsync, git pull, git checkout and svn up are typicall operations which
trigger the high cpu usage.
As an example, this perf report is from using git checkout to change to
a new branch; the change needed to checkout 208 files out of about 1600
total files. du(1) reports
2012 Mar 20
13
[PATCH 0 of 3 v2] PV-GRUB: add support for ext4 and btrfs
Hi,
The following patches add support for ext4 and btrfs to
PV-GRUB. These patches are taken nearly verbatim from those provided
by Fedora and Gentoo.
We''ve been using these patches for the PV-GRUB images available in EC2
for some time now with no problems.
Changes from v1:
- Makefile has been changed to check the exit code from patch
- The btrfs patch has been rebased to apply