summaryrefslogtreecommitdiff
path: root/fs/ext4/extents.c
diff options
context:
space:
mode:
authoryangerkun <yangerkun@huawei.com>2021-09-03 09:27:46 +0300
committerTheodore Ts'o <tytso@mit.edu>2021-11-04 17:33:24 +0300
commit83c5688b8977b1cd495a05ca0455e4353c8f6655 (patch)
tree7b926393a1f87e9ee92315237fd52c1c483d7e6d /fs/ext4/extents.c
parent39fec6889d15a658c3a3ebb06fd69d3584ddffd3 (diff)
downloadlinux-83c5688b8977b1cd495a05ca0455e4353c8f6655.tar.xz
ext4: correct the left/middle/right debug message for binsearch
The debuginfo for binsearch want to show the left/middle/right extent while the process search for the goal block. However we show this info after we change right or left. Link: https://lore.kernel.org/r/20210903062748.4118886-2-yangerkun@huawei.com Signed-off-by: yangerkun <yangerkun@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 0e02571f2f82..c59426f1e1d2 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -714,13 +714,14 @@ ext4_ext_binsearch_idx(struct inode *inode,
r = EXT_LAST_INDEX(eh);
while (l <= r) {
m = l + (r - l) / 2;
+ ext_debug(inode, "%p(%u):%p(%u):%p(%u) ", l,
+ le32_to_cpu(l->ei_block), m, le32_to_cpu(m->ei_block),
+ r, le32_to_cpu(r->ei_block));
+
if (block < le32_to_cpu(m->ei_block))
r = m - 1;
else
l = m + 1;
- ext_debug(inode, "%p(%u):%p(%u):%p(%u) ", l,
- le32_to_cpu(l->ei_block), m, le32_to_cpu(m->ei_block),
- r, le32_to_cpu(r->ei_block));
}
path->p_idx = l - 1;
@@ -782,13 +783,14 @@ ext4_ext_binsearch(struct inode *inode,
while (l <= r) {
m = l + (r - l) / 2;
+ ext_debug(inode, "%p(%u):%p(%u):%p(%u) ", l,
+ le32_to_cpu(l->ee_block), m, le32_to_cpu(m->ee_block),
+ r, le32_to_cpu(r->ee_block));
+
if (block < le32_to_cpu(m->ee_block))
r = m - 1;
else
l = m + 1;
- ext_debug(inode, "%p(%u):%p(%u):%p(%u) ", l,
- le32_to_cpu(l->ee_block), m, le32_to_cpu(m->ee_block),
- r, le32_to_cpu(r->ee_block));
}
path->p_ext = l - 1;