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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2010-08-11 20:42:55 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 18:38:16 +0200 |
| commit | c36c3ced692b38d0cf90a5e6f875be2f9ebbc037 (patch) | |
| tree | e8384ed0c80e2ce057006d83944a299445811380 /drivers/block/drbd | |
| parent | 85719573dd716bc2ac3e098b44adfed884250bab (diff) | |
| download | kernel_samsung_smdk4412-c36c3ced692b38d0cf90a5e6f875be2f9ebbc037.zip kernel_samsung_smdk4412-c36c3ced692b38d0cf90a5e6f875be2f9ebbc037.tar.gz kernel_samsung_smdk4412-c36c3ced692b38d0cf90a5e6f875be2f9ebbc037.tar.bz2 | |
drbd: let drbd_free_ee implicitly free any digest
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 4 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 7 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_worker.c | 6 |
3 files changed, 9 insertions, 8 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index b0cbfa1..3a94174 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -796,12 +796,16 @@ enum { * if any of those fail, we set this flag atomically * from the endio callback */ __EE_WAS_ERROR, + + /* This ee has a pointer to a digest instead of a block id */ + __EE_HAS_DIGEST, }; #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO) #define EE_MAY_SET_IN_SYNC (1<<__EE_MAY_SET_IN_SYNC) #define EE_IS_BARRIER (1<<__EE_IS_BARRIER) #define EE_RESUBMITTED (1<<__EE_RESUBMITTED) #define EE_WAS_ERROR (1<<__EE_WAS_ERROR) +#define EE_HAS_DIGEST (1<<__EE_HAS_DIGEST) /* global flag bits */ enum { diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 0b03e31..2f9320b 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -377,6 +377,8 @@ struct drbd_epoch_entry *drbd_alloc_ee(struct drbd_conf *mdev, void drbd_free_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e) { + if (e->flags & EE_HAS_DIGEST) + kfree(e->digest); drbd_pp_free(mdev, e->pages); D_ASSERT(atomic_read(&e->pending_bios) == 0); D_ASSERT(hlist_unhashed(&e->colision)); @@ -2094,10 +2096,12 @@ static int receive_DataRequest(struct drbd_conf *mdev, struct p_header *h) di->digest_size = digest_size; di->digest = (((char *)di)+sizeof(struct digest_info)); + e->digest = di; + e->flags |= EE_HAS_DIGEST; + if (drbd_recv(mdev, di->digest, digest_size) != digest_size) goto out_free_e; - e->digest = di; if (h->command == P_CSUM_RS_REQUEST) { D_ASSERT(mdev->agreed_pro_version >= 89); e->w.cb = w_e_end_csum_rs_req; @@ -2159,7 +2163,6 @@ static int receive_DataRequest(struct drbd_conf *mdev, struct p_header *h) return TRUE; out_free_e: - kfree(di); put_ldev(mdev); drbd_free_ee(mdev, e); return FALSE; diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index f979e22..48452fe 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -1052,9 +1052,6 @@ int w_e_end_csum_rs_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel) } dec_unacked(mdev); - - kfree(di); - move_to_net_ee_or_free(mdev, e); if (unlikely(!ok)) @@ -1145,9 +1142,6 @@ int w_e_end_ov_reply(struct drbd_conf *mdev, struct drbd_work *w, int cancel) } dec_unacked(mdev); - - kfree(di); - if (!eq) drbd_ov_oos_found(mdev, e->sector, e->size); else |