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| author |  Linus Torvalds <torvalds@linux-foundation.org>
| 2014-09-26 08:11:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org>
| 2014-09-26 08:11:43 -0700 |
| commit | 8207649c41bf5c28a987be47d66545fa9d2994d8 (patch) | |
| tree | 959becddd4e666624cb95713b547e87011eb8ca6 /fs/ocfs2/dlm/dlmmaster.c | |
| parent | Merge tag 'pm+acpi-3.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff) | |
| parent | mm: softdirty: keep bit when zapping file pte (diff) | |
| download | linux-8207649c41bf5c28a987be47d66545fa9d2994d8.tar.gz linux-8207649c41bf5c28a987be47d66545fa9d2994d8.tar.bz2 linux-8207649c41bf5c28a987be47d66545fa9d2994d8.zip | |
Merge branch 'akpm' (fixes from Andrew Morton)
Merge fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: softdirty: keep bit when zapping file pte
fs/cachefiles: add missing \n to kerror conversions
genalloc: fix device node resource counter
drivers/rtc/rtc-efi.c: add missing module alias
mm, slab: initialize object alignment on cache creation
mm: softdirty: addresses before VMAs in PTE holes aren't softdirty
ocfs2/dlm: do not get resource spinlock if lockres is new
nilfs2: fix data loss with mmap()
ocfs2: free vol_label in ocfs2_delete_osb()
Diffstat (limited to 'fs/ocfs2/dlm/dlmmaster.c')
| -rw-r--r-- | fs/ocfs2/dlm/dlmmaster.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 3ec906ef5d9a..e3cfa0227026 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -655,12 +655,9 @@ void dlm_lockres_clear_refmap_bit(struct dlm_ctxt *dlm, clear_bit(bit, res->refmap); } - -void dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm, +static void __dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) { - assert_spin_locked(&res->spinlock); - res->inflight_locks++; mlog(0, "%s: res %.*s, inflight++: now %u, %ps()\n", dlm->name, @@ -668,6 +665,13 @@ void dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm, __builtin_return_address(0)); } +void dlm_lockres_grab_inflight_ref(struct dlm_ctxt *dlm, + struct dlm_lock_resource *res) +{ + assert_spin_locked(&res->spinlock); + __dlm_lockres_grab_inflight_ref(dlm, res); +} + void dlm_lockres_drop_inflight_ref(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) { @@ -894,10 +898,8 @@ lookup: /* finally add the lockres to its hash bucket */ __dlm_insert_lockres(dlm, res); - /* Grab inflight ref to pin the resource */ - spin_lock(&res->spinlock); - dlm_lockres_grab_inflight_ref(dlm, res); - spin_unlock(&res->spinlock); + /* since this lockres is new it doesn't not require the spinlock */ + __dlm_lockres_grab_inflight_ref(dlm, res); /* get an extra ref on the mle in case this is a BLOCK * if so, the creator of the BLOCK may try to put the last |