diff options
Diffstat (limited to 'fs/dlm/ast.c')
| -rw-r--r-- | fs/dlm/ast.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index 1f2f70a1b8..decedc4ee1 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -12,6 +12,7 @@ #include <trace/events/dlm.h> #include "dlm_internal.h" +#include "lvb_table.h" #include "memory.h" #include "lock.h" #include "user.h" @@ -42,6 +43,7 @@ int dlm_enqueue_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, struct dlm_ls *ls = lkb->lkb_resource->res_ls; int rv = DLM_ENQUEUE_CALLBACK_SUCCESS; struct dlm_callback *cb; + int copy_lvb = 0; int prev_mode; if (flags & DLM_CB_BAST) { @@ -73,6 +75,17 @@ int dlm_enqueue_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, goto out; } } + } else if (flags & DLM_CB_CAST) { + if (test_bit(DLM_DFL_USER_BIT, &lkb->lkb_dflags)) { + if (lkb->lkb_last_cast) + prev_mode = lkb->lkb_last_cb->mode; + else + prev_mode = -1; + + if (!status && lkb->lkb_lksb->sb_lvbptr && + dlm_lvb_operations[prev_mode + 1][mode + 1]) + copy_lvb = 1; + } } cb = dlm_allocate_cb(); @@ -85,6 +98,7 @@ int dlm_enqueue_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode, cb->mode = mode; cb->sb_status = status; cb->sb_flags = (sbflags & 0x000000FF); + cb->copy_lvb = copy_lvb; kref_init(&cb->ref); if (!test_and_set_bit(DLM_IFL_CB_PENDING_BIT, &lkb->lkb_iflags)) rv = DLM_ENQUEUE_CALLBACK_NEED_SCHED; |