From 75d25ffe380a01b88cb3bf604a6b8dc5a562a2e5 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Tue, 2 Nov 2021 15:17:21 -0400 Subject: [PATCH] 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 Signed-off-by: David Teigland --- fs/dlm/lock.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index feb2e94..8b30c9d 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; -- 2.7.4