diff options
Diffstat (limited to 'xlators')
| -rw-r--r-- | xlators/cluster/afr/src/afr-inode-write.c | 26 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr-transaction.c | 27 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.h | 8 |
3 files changed, 51 insertions, 10 deletions
diff --git a/xlators/cluster/afr/src/afr-inode-write.c b/xlators/cluster/afr/src/afr-inode-write.c index 9a9ef2e90a5..ed1014ce154 100644 --- a/xlators/cluster/afr/src/afr-inode-write.c +++ b/xlators/cluster/afr/src/afr-inode-write.c @@ -303,6 +303,7 @@ afr_inode_write_fill (call_frame_t *frame, xlator_t *this, int child_index, afr_local_t *local = frame->local; uint32_t open_fd_count = 0; uint32_t write_is_append = 0; + int32_t num_inodelks = 0; LOCK (&frame->lock); { @@ -321,10 +322,19 @@ afr_inode_write_fill (call_frame_t *frame, xlator_t *this, int child_index, &open_fd_count); if (ret < 0) goto unlock; - if (open_fd_count > local->open_fd_count) { + if (open_fd_count > local->open_fd_count) { local->open_fd_count = open_fd_count; local->update_open_fd_count = _gf_true; - } + } + + ret = dict_get_int32(xdata, GLUSTERFS_INODELK_COUNT, + &num_inodelks); + if (ret < 0) + goto unlock; + if (num_inodelks > local->num_inodelks) { + local->num_inodelks = num_inodelks; + local->update_num_inodelks = _gf_true; + } } unlock: UNLOCK (&frame->lock); @@ -334,6 +344,7 @@ void afr_process_post_writev (call_frame_t *frame, xlator_t *this) { afr_local_t *local = NULL; + afr_lock_t *lock = NULL; local = frame->local; @@ -352,6 +363,11 @@ afr_process_post_writev (call_frame_t *frame, xlator_t *this) if (local->update_open_fd_count) local->inode_ctx->open_fd_count = local->open_fd_count; + if (local->update_num_inodelks && + local->transaction.type == AFR_DATA_TRANSACTION) { + lock = &local->inode_ctx->lock[local->transaction.type]; + lock->num_inodelks = local->num_inodelks; + } } @@ -537,6 +553,12 @@ afr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, goto out; } + if (dict_set_str(local->xdata_req, GLUSTERFS_INODELK_DOM_COUNT, + this->name)) { + op_errno = ENOMEM; + goto out; + } + if (dict_set_uint32 (local->xdata_req, GLUSTERFS_WRITE_IS_APPEND, 4)) { op_errno = ENOMEM; goto out; diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c index 0cd3373ff3d..9b128e5c1dc 100644 --- a/xlators/cluster/afr/src/afr-transaction.c +++ b/xlators/cluster/afr/src/afr-transaction.c @@ -1923,17 +1923,28 @@ afr_internal_lock_finish (call_frame_t *frame, xlator_t *this) } gf_boolean_t -afr_are_multiple_fds_opened (afr_local_t *local, xlator_t *this) +afr_are_conflicting_ops_waiting(afr_local_t *local, xlator_t *this) { + afr_lock_t *lock = NULL; + lock = &local->inode_ctx->lock[local->transaction.type]; + /* Lets say mount1 has eager-lock(full-lock) and after the eager-lock - * is taken mount2 opened the same file, it won't be able to - * perform any data operations until mount1 releases eager-lock. - * To avoid such scenario do not enable eager-lock for this transaction - * if open-fd-count is > 1 + * is taken mount2 opened the same file, it won't be able to perform + * any {meta,}data operations until mount1 releases eager-lock. To + * avoid such scenario do not enable eager-lock for this transaction if + * open-fd-count is > 1 for metadata transactions and if + * num-inodelks > 1 for data transactions */ - if (local->inode_ctx->open_fd_count > 1) - return _gf_true; + if (local->transaction.type == AFR_METADATA_TRANSACTION) { + if (local->inode_ctx->open_fd_count > 1) { + return _gf_true; + } + } else if (local->transaction.type == AFR_DATA_TRANSACTION) { + if (lock->num_inodelks > 1) { + return _gf_true; + } + } return _gf_false; } @@ -1955,7 +1966,7 @@ afr_is_delayed_changelog_post_op_needed (call_frame_t *frame, xlator_t *this, goto out; } - if (afr_are_multiple_fds_opened (local, this)) { + if (afr_are_conflicting_ops_waiting(local, this)) { lock->release = _gf_true; goto out; } diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h index 6fc555148c4..a0eb4533aa8 100644 --- a/xlators/cluster/afr/src/afr.h +++ b/xlators/cluster/afr/src/afr.h @@ -307,6 +307,12 @@ typedef enum { } afr_fop_lock_state_t; typedef struct _afr_inode_lock_t { + /* @num_inodelks: + Number of inodelks queried from the server, as queried through + xdata in FOPs. Currently, used to decide if eager-locking must be + temporarily disabled. + */ + int32_t num_inodelks; unsigned int event_generation; gf_boolean_t release; gf_boolean_t acquired; @@ -359,6 +365,8 @@ typedef struct _afr_local { uint32_t open_fd_count; gf_boolean_t update_open_fd_count; + int32_t num_inodelks; + gf_boolean_t update_num_inodelks; gf_lkowner_t saved_lk_owner; |