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authorAlexander Aring <aahringo@redhat.com>2021-11-02 20:17:21 +0100
committerDavid Teigland <teigland@redhat.com>2021-11-02 20:39:20 +0100
commit75d25ffe380a01b88cb3bf604a6b8dc5a562a2e5 (patch)
treea3d0b239a26a3209302976c66503015a50bacd6d /fs
parentfs: dlm: add debugfs rawmsg send functionality (diff)
downloadlinux-75d25ffe380a01b88cb3bf604a6b8dc5a562a2e5.tar.xz
linux-75d25ffe380a01b88cb3bf604a6b8dc5a562a2e5.zip
fs: dlm: allow create lkb with specific id range
This patch adds functionality to add a lkb with a specific id range. Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/dlm/lock.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index feb2e94f5879..8b30c9d9e545 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1180,7 +1180,8 @@ static void detach_lkb(struct dlm_lkb *lkb)
}
}
-static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
+static int _create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret,
+ int start, int end)
{
struct dlm_lkb *lkb;
int rv;
@@ -1201,7 +1202,7 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
idr_preload(GFP_NOFS);
spin_lock(&ls->ls_lkbidr_spin);
- rv = idr_alloc(&ls->ls_lkbidr, lkb, 1, 0, GFP_NOWAIT);
+ rv = idr_alloc(&ls->ls_lkbidr, lkb, start, end, GFP_NOWAIT);
if (rv >= 0)
lkb->lkb_id = rv;
spin_unlock(&ls->ls_lkbidr_spin);
@@ -1217,6 +1218,11 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
return 0;
}
+static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
+{
+ return _create_lkb(ls, lkb_ret, 1, 0);
+}
+
static int find_lkb(struct dlm_ls *ls, uint32_t lkid, struct dlm_lkb **lkb_ret)
{
struct dlm_lkb *lkb;