diff options
| author |   David Teigland <teigland@redhat.com> | 2012-03-08 12:37:12 -0600 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2012-03-08 14:46:30 -0600 |
| commit | 7210cb7a72a22303cdb225bd1aea28697a17bbae (patch) | |
| tree | eb303df3d35d52080309d139c1d26edcfab1e670 /fs/dlm/lock.c | |
| parent | Linux 3.3-rc6 (diff) | |
| download | linux-dev-7210cb7a72a22303cdb225bd1aea28697a17bbae.tar.xz linux-dev-7210cb7a72a22303cdb225bd1aea28697a17bbae.zip | |
dlm: fix slow rsb search in dir recovery
The function used to find an rsb during directory
recovery was searching the single linear list of
rsb's. This wasted a lot of time compared to
using the standard hash table to find the rsb.
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/dlm/lock.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index d47183043c59..fa5c07d51dcc 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -411,8 +411,8 @@ static int rsb_cmp(struct dlm_rsb *r, const char *name, int nlen) return memcmp(r->res_name, maxname, DLM_RESNAME_MAXLEN); } -static int search_rsb_tree(struct rb_root *tree, char *name, int len, - unsigned int flags, struct dlm_rsb **r_ret) +int dlm_search_rsb_tree(struct rb_root *tree, char *name, int len, + unsigned int flags, struct dlm_rsb **r_ret) { struct rb_node *node = tree->rb_node; struct dlm_rsb *r; @@ -474,12 +474,12 @@ static int _search_rsb(struct dlm_ls *ls, char *name, int len, int b, struct dlm_rsb *r; int error; - error = search_rsb_tree(&ls->ls_rsbtbl[b].keep, name, len, flags, &r); + error = dlm_search_rsb_tree(&ls->ls_rsbtbl[b].keep, name, len, flags, &r); if (!error) { kref_get(&r->res_ref); goto out; } - error = search_rsb_tree(&ls->ls_rsbtbl[b].toss, name, len, flags, &r); + error = dlm_search_rsb_tree(&ls->ls_rsbtbl[b].toss, name, len, flags, &r); if (error) goto out; |