diff options
Diffstat (limited to 'xlators')
| -rw-r--r-- | xlators/cluster/afr/src/afr-common.c | 3 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr-transaction.c | 50 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.h | 1 |
3 files changed, 50 insertions, 4 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c index b5f060a87..013415260 100644 --- a/xlators/cluster/afr/src/afr-common.c +++ b/xlators/cluster/afr/src/afr-common.c @@ -1433,9 +1433,6 @@ afr_cleanup_fd_ctx (xlator_t *this, fd_t *fd) fd_ctx = (afr_fd_ctx_t *)(long) ctx; - gf_log (this->name, GF_LOG_TRACE, - "hits=%d, miss=%d", fd_ctx->hit, fd_ctx->miss); - if (fd_ctx) { if (fd_ctx->pre_op_done) GF_FREE (fd_ctx->pre_op_done); diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c index e31f0c1df..3cdd1829d 100644 --- a/xlators/cluster/afr/src/afr-transaction.c +++ b/xlators/cluster/afr/src/afr-transaction.c @@ -404,7 +404,51 @@ afr_changelog_post_op_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } -int +void +afr_update_read_child (call_frame_t *frame, xlator_t *this, inode_t *inode, + afr_transaction_type type) +{ + int curr_read_child = -1; + int new_read_child = -1; + afr_private_t *priv = NULL; + afr_local_t *local = NULL; + int **pending = NULL; + int idx = 0; + + idx = afr_index_for_transaction_type (type); + + priv = this->private; + local = frame->local; + curr_read_child = afr_read_child (this, inode); + pending = local->pending; + + if (pending[curr_read_child][idx] != 0) + return; + + /* need to set new read_child */ + for (new_read_child = 0; new_read_child < priv->child_count; + new_read_child++) { + + if (!priv->child_up[new_read_child]) + /* child is down */ + continue; + + if (pending[new_read_child][idx] == 0) + /* op just failed */ + continue; + + break; + } + + if (new_read_child == priv->child_count) + /* all children uneligible. leave as-is */ + return; + + afr_set_read_child (this, inode, new_read_child); +} + + +int afr_changelog_post_op (call_frame_t *frame, xlator_t *this) { afr_private_t * priv = this->private; @@ -426,6 +470,10 @@ afr_changelog_post_op (call_frame_t *frame, xlator_t *this) __mark_down_children (local->pending, priv->child_count, local->child_up, local->transaction.type); + if (local->fd) + afr_update_read_child (frame, this, local->fd->inode, + local->transaction.type); + xattr = alloca (priv->child_count * sizeof (*xattr)); memset (xattr, 0, (priv->child_count * sizeof (*xattr))); for (i = 0; i < priv->child_count; i++) { diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h index 749264a8d..e64a6fe15 100644 --- a/xlators/cluster/afr/src/afr.h +++ b/xlators/cluster/afr/src/afr.h @@ -609,6 +609,7 @@ typedef struct { unsigned int *pre_op_done; unsigned int *opened_on; /* which subvolumes the fd is open on */ unsigned int *pre_op_piggyback; + int flags; int32_t wbflags; uint64_t up_count; /* number of CHILD_UPs this fd has seen */ |